JP6901668B2 - Driving support system and program - Google Patents

Description

The present invention relates to a system that supports driving by providing the driver with information on traffic monitoring activities.

Conventionally, there has been known a driving support system that stores the position information of a target object to be detected and can detect the position of a vehicle by GPS. According to this driving support system, when the position of the vehicle and the position of the target are in a predetermined positional relationship, an alarm can be issued to the driver. Targets include, for example, a device for measuring vehicle speed and a control / inspection area. A driving support system has been proposed that displays information about a target on a display or outputs an audible alarm when the distance to the target reaches a set distance (see, for example, Patent Document 1).

Targets to be alerted, such as speed measuring devices and inspection areas, are often installed in dangerous places where traffic accidents are likely to occur. By warning the driver of approaching a target, it is possible to notify the driver of the approach to a dangerous place where a traffic accident is likely to occur and encourage safe driving. The driving support system configured as described above can motivate the driver to drive safely by alerting the driver to approach the target, and is a meaningful system for promoting traffic safety.

Unlike speed measuring devices installed as infrastructure equipment, the monitoring points and monitoring periods for traffic monitoring activities carried out by the police to promote safe driving, such as crackdowns and inspections of mobile orbis, are unspecified and irregular. is there. For such traffic monitoring activities, it is also good to remember the place where the traffic monitoring activity was performed in the past as a target. In this case, when the vehicle approaches the place, it becomes possible to provide the driver with information on the traffic monitoring activity. Traffic monitoring activities are often carried out in places where traffic accidents are likely to occur. By warning the driver of approaching such a point, it is possible to encourage the driver to drive safely and suppress the possibility of an accident or the like.

Police in each prefecture may publish traffic control information regarding traffic monitoring activities scheduled to be carried out within their jurisdiction. The purpose of disclosing traffic control information is to prevent drunk driving by disclosing the schedule of drunk inspections at times when drinking opportunities increase, such as at the end of the year. In recent years, a driving support system that acquires and notifies such traffic control information has also been proposed.

In traffic control information published by police in each prefecture, prefectures, municipalities, police jurisdiction units, routes, etc. are often designated as target areas for traffic monitoring activities. Among the driving support systems that notify such traffic control information, there is a system that stores the traffic control information for each prefecture and sets in advance which prefecture's traffic control information is to be notified. This driving support system, for example, when power supply is started by starting an engine or the like, notifies preset public control information of prefectures such as the location of a home.

Japanese Unexamined Patent Publication No. 2011-22161

In the conventional driver assistance system that notifies the public control information of the prefecture where the home is located, the public control information of the prefecture including the location of the home is notified even when the driver goes to a place considerably away from the home. It will be. This driving support system notifies all public control information of the prefecture, including traffic monitoring activities carried out at a point or area far away from the home, as long as it is within the same prefecture as the home. If the driver includes traffic control information in a remote place with little connection, the amount of information to be notified becomes excessive, and for example, important information related to traffic monitoring activities performed near the home may be overlooked.

An object of the present invention is to provide a driving support system or the like that appropriately notifies a driver of traffic control information or the like published by police or the like in each prefecture.

One aspect of the present invention is a driving support system that notifies information that supports the driving of a vehicle, and acquires monitoring schedule information regarding the implementation schedule of traffic monitoring activities and current information that is information regarding the present.
At the notification timing determined based on the monitoring schedule information and the current information,
A control means for executing control for notifying information (referred to as notification information) based on the current information and the monitoring schedule information is provided.
The notification timing includes a timing under a situation (referred to as a prior situation) set as a prior situation for traffic monitoring activity when the current information does not match the monitoring schedule information. It is in the system (1).

One aspect of the present invention is a driving support program for realizing the function as the driving support system in a computer (18).

The driving support system according to the present invention executes the notification of the notification information based on the current information and the monitoring schedule information at the notification timing determined based on the current information and the monitoring schedule information. This driving support system does not notify the monitoring schedule information as it is, but notifies the current information and the notification information based on the monitoring schedule information. For example, the notification information based on the current information that reflects the driving situation such as the current position, the current time, and the vehicle speed can be useful information for the driver to be notified.

The notification timing includes a timing under the prior situation, which is set to be in the prior situation for the traffic monitoring activity when the current information does not match the monitoring schedule information. If the timing under the prior situation is set as the notification timing, the notification information can be notified to the driver to be notified at an appropriate timing. If the notification information is notified at such a notification timing, for example, in a prior situation where the current information does not match the monitoring schedule information, for traffic monitoring activities that are not currently being carried out but may be related to the driver. It is possible to draw the driver's attention and motivate safe driving.

On the other hand, when such notification information is notified only in the prior situation, it is possible to avoid the presentation of information having little relation to the driver. By avoiding the notification of information having little relation to the information and suppressing the amount of information to be notified, the driver's attention level to the information to be notified can be maintained high. If the attention level for the notification information is maintained high, it is possible to prevent the notification information from being missed and to make the driver or the like recognize it with high certainty. The notification effect of the notification information can be improved, and the awareness of safe driving can be improved with high certainty.

As described above, the driving support system according to the present invention is a system capable of appropriately notifying the driver of information based on monitoring schedule information such as traffic control information published by police in each prefecture.

In the present invention, the meaning that the current information does not match the monitoring schedule information is that the situation specified by the current information does not correspond to the target of the traffic monitoring activity specified by the monitoring schedule information. Then it is good. When the current information does not match the monitoring schedule information, for example, the current date specified by the current information does not belong to the monitoring period of the traffic monitoring activity specified by the monitoring schedule information too much. Or, when the current position specified by the current information is far from the monitoring point where the traffic monitoring activity specified by the monitoring schedule information is carried out, or the current time specified by the current information is specified by the monitoring schedule information. It is good if it does not belong to the implementation time zone of the traffic monitoring activity to be carried out and it is too late.

In the driving support system of one preferred aspect of the present invention, the current information includes driving information representing the situation of the vehicle or the situation around the vehicle (2).
The driving information indicating the state of the vehicle includes, for example, vehicle information such as vehicle speed, acceleration, blinker (direction indicator) operation information, and seatbelt wearing information. As vehicle information, for example, on the vehicle side in accordance with the vehicle inspection standard OBD (On-board Diagnostics) -II (II is the Roman numeral "2", hereinafter referred to as "OBD"). It is also possible to include various vehicle information acquired via the provided OBD connector.

For example, a situation where the vehicle speed is high can be judged as a prior situation for traffic monitoring activities such as speed control. For example, if the notification information based on the monitoring schedule information of the past speed control by the mobile orbis or the like is notified, the driver can be made aware of the speed limit and can promote safe driving in compliance with the speed limit. For example, the situation where the seatbelt is not fastened may be judged as a preliminary situation for traffic monitoring activities such as inspections. By notifying the notification information based on the monitoring schedule information such as the past traffic safety week and the inspection, it is possible to encourage the driver to fasten the seat belt.

Driving information that shows the situation around the vehicle includes information such as a vehicle running in front, a vehicle approaching from behind, a vehicle running side by side, and the signal in front is red. There is various information such as information such as a pedestrian crossing in front, pedestrians in front, information such as darkness in the evening, and information such as it is raining. This information can be acquired by, for example, a detection sensor such as a millimeter-wave radar, a laser radar, an ultrasonic sonar, an imaging camera, a raindrop sensor, an illuminance sensor, or an infrared sensor.

In the driving support system of one preferred aspect of the present invention, the monitoring schedule information includes the first monitoring schedule information in which the monitoring period in which the traffic monitoring activity is carried out is set in the future ahead of the present. Contains a second monitoring schedule information for which the monitoring period during which the traffic monitoring activity is carried out was set in the past before the present.
In the control means, a situation having a predetermined relationship with the current information is set as the prior situation regarding the second monitoring schedule information (3).

For example, one of the purposes of the police to announce the schedule of traffic monitoring activities is to raise awareness of traffic safety. By notifying the second monitoring schedule information regarding past traffic monitoring activities, not only the traffic monitoring activities scheduled to be carried out but also the past traffic monitoring activities can be effectively utilized to raise the driver's awareness of safe driving. ..

As the situation related to the current information, for example, if the traffic monitoring activity is a seatbelt control, the situation when the information specifying the engine start is acquired as the current information, or the operation is started after the engine is started. It is preferable that the situation is after a predetermined time (for example, 1 minute in the summer and 5 minutes in the winter when warming up is required) has elapsed. For example, if the traffic monitoring activity is a drunken control, for example, the situation in which the current time after 6:00 pm and the information indicating the traveling in the direction away from the downtown area are acquired as the current information is related to the current information. It is good to have a situation with. For example, if the traffic monitoring activity is an intersection-related control, the situation in which the information indicating that the vehicle has stopped at the intersection is acquired as the current information may be regarded as the situation having relevance to the current information.

In the driving support system of one preferred aspect of the present invention, the monitoring schedule information includes information on the monitoring period in which the traffic monitoring activity is carried out, while information on the current date and time is acquired as the current information. ,
The prior situation is based on the monitoring period in which the traffic monitoring activity is carried out, and the condition of temporal proximity that the current time belongs within a predetermined time range excluding the monitoring period is satisfied. The situation (4).

The predetermined time range may be a time range ahead of the future when the monitoring period is used as a reference. Further, the predetermined time range may be a time range before hitting the past when the monitoring period is used as a reference. When the current date and time belongs to the time range ahead of the monitoring period, for example, it is preferable that the monitoring period has already ended and is in the past. When the current date and time belongs to the time range before the monitoring period, it is preferable that the monitoring period is a future period before the present and the traffic monitoring activity has not been carried out.

In the driving support system of one preferred aspect of the present invention, the monitoring schedule information includes the first monitoring schedule information in which the monitoring period in which the traffic monitoring activity is carried out is set in the future ahead of the present. Contains a second monitoring schedule information for which the monitoring period during which the traffic monitoring activity is carried out was set in the past before the present.
As the predetermined time range for the first monitoring schedule information, a range on the side that goes back in time from the monitoring period is set.
As the predetermined time range for the second monitoring schedule information, a range on the side where time elapses with respect to the monitoring period is set (5).

If the notification information based on the second monitoring schedule information regarding the past traffic monitoring activity is notified in addition to the first monitoring schedule information, the driver can be aware of safe driving by utilizing the past traffic monitoring activity. Can be uplifted. At that time, it is not effective to notify the information about past traffic monitoring activities that are not related to the driver, but if the situation is related to the driver in advance, the notification should raise the driver's awareness of safe driving. Can be done.

In the driving support system of one preferred aspect of the present invention, it is preferable that the predetermined time range is set to a different range for each type of traffic monitoring activity (6).
For example, it is advisable to set a long range for traffic monitoring activities that are of great interest to drivers such as speed control, while setting a short range for general traffic monitoring activities such as traffic safety campaigns.

In the driving support system of one preferred aspect of the present invention, the monitoring schedule information includes position information representing a monitoring point or monitoring area where traffic monitoring activities are carried out.
In the prior situation, the current position of the vehicle, which is one of the current information, does not conform to the monitoring point or the monitoring area, but the current position is a predetermined position with respect to the monitoring point or the monitoring area. It is a situation in which the condition of locational proximity within a certain range is satisfied (7).

When the current position is located outside the monitoring point or the monitoring area, the prior situation can be determined, which enables the notification of the notification information. If the notification information is notified in advance conditions where such local proximity is satisfied, it is possible to notify at an early stage when there is a possibility of approaching the monitoring point of the traffic monitoring activity, and the driver for safe driving becomes possible. You will be able to raise your awareness at an early stage. If the notification is made at an early stage, it is possible to prevent the driver from missing the notification information and to make the driver recognize it with high certainty.

In the driving support system of one preferred aspect in the present invention, the area information representing the area where the land is divided is stored.
As the predetermined positional range, at least one of the other compartment areas adjacent to the monitoring point or the monitoring area is set (8).
In this case, a positional range for determining the prior situation can be set in units of the compartment area. Not the section area that includes the monitoring point, etc., but other adjacent section areas are subject to the prior status. As the division area, various areas such as prefectures, cities, wards, towns and villages, and the jurisdiction of each prefecture can be set.

In a driving support system of one preferred aspect of the present invention, a route passing through the monitoring point or a route partially belonging to the monitoring area is specified by using route information representing a route on which the vehicle can travel, and the predetermined route is specified. It is set as the positional range of (9).
If a route that passes through the monitoring point or a route that partially belongs to the monitoring area is set as the predetermined positional range, the route is located far away from the driver who is driving, and is located at an early stage. Notification becomes possible.

In the driving support system of one preferred aspect of the present invention, the link information representing the connection relationship between different routes is used to connect to the route in addition to the route passing through the monitoring point or a route partially belonging to the monitoring area. Other routes are identified and set as the predetermined positional range (10).
By setting a route that passes through the monitoring point or a route that partially belongs to the monitoring area and another route that connects to the route, it is possible to notify at an early stage that there is a possibility of entering the route that passes through the monitoring point. become.

As the predetermined positional range, for example, among the routes calculated by the route calculation function of the navigation device or the like, a route passing through the monitoring point or a route partially belonging to the monitoring area may be set. The route calculated by the route calculation function is a route that is very likely to travel thereafter. If this route is set within a predetermined positional range, when a monitoring point or the like exists on the route or passes through a monitoring area, notification can be executed from an early stage located far away.

As the prior situation in the driving support system of one preferred aspect of the present invention, a different situation is set for each type of traffic monitoring activity (11).
For example, for seatbelt control, the time when the ignition is turned on is set as the advance situation, and for speed control, the time when the vehicle speed exceeds a predetermined speed is set as the advance situation. It is also good to change the setting of the advance situation.

In the driving support system of one preferred aspect of the present invention, a part of the current information is information acquired by a detection sensor provided with a detection region toward the outside or the inside of the vehicle (12).
Examples of the detection sensor include an occupant sensor that detects an occupant in the vehicle, an in-vehicle camera that captures the inside and outside of the vehicle, a radar device that monitors the front and the periphery, a sonar, and the like.

In the notification of the notification information in the driving support system of one preferred aspect of the present invention, the notification mode differs depending on whether the notification is related to the traffic monitoring activity to be carried out or the notification related to the traffic monitoring activity that has already been carried out ( 13).
In the notification of the notification information in the driving support system of one preferred aspect in the present invention, the notification mode depends on whether the notification is related to the traffic monitoring activity being carried out or the traffic monitoring activity scheduled to be carried out or has been carried out. Different (14).
In these cases, the type of notification information can be immediately determined according to the notification mode, and the notification can be easily understood by the driver. It becomes possible to recognize the notification information with high certainty even during operation, and it is possible to suppress the omission of the notification information.

The driving support system of one preferred aspect of the present invention includes a collecting means for collecting information on the implementation schedule of the traffic monitoring activity electronically disclosed via the communication line and generating the monitoring schedule information (the monitoring schedule information is generated). 15).
By automatically generating the monitoring schedule information, the cost for generating the monitoring schedule information can be suppressed.

A preferred mode of driving support system in the present invention includes a computer device including the collecting means and a computer device.
Including an in-vehicle device including the control means,
This in-vehicle device utilizes the monitoring schedule information generated by the computer device (16).
The monitoring schedule information generated by the computer device can be taken into an in-vehicle device via a storage medium such as a memory card or wireless communication such as WiFi or Bluetooth.

A preferred mode of driving support system in the present invention comprises an in-vehicle device including the collecting means and the controlling means (17).
In this case, there is no need to transfer the monitoring schedule information from the external device to the in-vehicle device. A very convenient and useful stand-alone device can be realized.

The block diagram which shows the electrical structure of the driving support system in Example 1. FIG. The schematic diagram which shows the monitoring schedule information stored in the 3rd DB in Example 1. FIG. The front view which shows an example of the display screen displayed on the display part in Example 1. FIG. The schematic diagram which shows the structure of the message in Example 1. FIG. The figure which shows an example of the message in Example 1. FIG. The flow chart which shows the main process in Example 1. FIG. The figure explaining the temporal proximity in Example 1. FIG. The figure explaining an example of the locational proximity in Example 1. FIG.

(Example 1)
This example is an example of the driving support system 1 which is an embodiment of the driving support system according to the present invention. This content will be described with reference to FIGS. 1 to 8.
Specific examples of the driving support system 1 include in-vehicle devices such as a radar detection system and a car navigation system. The driving support system 1 may be a system realized by a physically single device or device, or may be a system realized by combining a plurality of devices or devices. As shown in FIG. 1, the driving support system 1 includes a control unit (control means) 11 that controls the overall operation of the system.

The control unit 11 includes a microcomputer including a CPU, ROM, RAM, I / O, RTC, peripheral circuits, and the like. A wireless receiving unit 12, a GPS receiving unit 13, a display unit 14, a speaker 15, a storage unit 15, a card reader 17, and the like are electrically connected to the control unit 11. The ROM stores a program or the like for causing the control unit 11 to execute a predetermined operation. When the microcomputer of the control unit 11 executes the program, various functions of the driving support system 1 are realized.

The wireless receiving unit 12 is a wireless module for receiving a wireless signal. Examples of the radio signal received by the radio receiver 12 include a radar signal output from the speed measuring device, a radio signal transmitted from the radio for control communication, and transmission / reception between each police headquarters and the mobile station. There are digital radio signals, radio signals used in automobile mobile phone systems dedicated to police, radio signals transmitted from emergency vehicles, and the like.

The radio receiving unit 12 may be a receiving unit including a plurality of radio modules that individually receive radio signals of different frequencies. When the radio reception unit 12 receives the radio signal, the radio reception unit 12 detects the signal level of the received radio signal and outputs the signal level as Received Signal Strength Indication (RSSI). On the control unit 11 side, the signal level of the radio signal can be recognized based on the voltage level of RSSI output from the radio reception unit 12, and the distance between the object of the source of the radio signal and the own vehicle can be estimated. is there.

The GPS receiving unit 13 is a wireless module for receiving a wireless signal transmitted from a GPS satellite. The GPS receiving unit 13 detects and outputs the position information of the own vehicle based on the received wireless signal. The position information is the latitude and longitude of the own vehicle position (current position of the vehicle). The control unit 11 identifies the position of the own vehicle based on the position information output from the GPS receiving unit 13. Further, the GPS receiving unit 13 of this example outputs the moving speed as the vehicle speed.

In the driving support system 1 of this example, various information that can be acquired by the control unit 11 is treated as current information that represents driving information such as the situation of the vehicle and the situation around the vehicle. The current information includes the current date and time representing the current date and time by RTC (real-time clock), various reception information output by the wireless reception unit 12, position information output by the GPS reception unit 13, vehicle speed, and the like.

OBD (On-board Diagnostics) -II (II is the Roman numeral "2"; hereinafter referred to as "OBD"), which is a vehicle inspection standard. OBD connector (fault diagnosis connector) provided on the vehicle side in accordance with the standard. ) And OBD adapter, etc., for example, vehicle speed, engine speed, engine load factor, ignition timing, intake manifold pressure, intake air volume (MAF), injection open time, engine cooling water. Temperature (cooling water temperature), temperature of air taken into the engine (intake temperature), temperature outside the vehicle (outside air temperature), fuel flow rate, instantaneous fuel consumption, accelerator opening (throttle opening), winker information (left and right winkers) Vehicle information such as operation information), brake opening, and steering angle information of the steering wheel can be acquired as current information. Furthermore, it is also possible to capture the detection signals of various detection sensors such as a occupant detection sensor mounted on a vehicle, a millimeter wave radar, a front camera, an ultrasonic sonar, and a peripheral camera, and handle them as current information.

The display unit 14 is composed of, for example, a liquid crystal display, an EL display, or the like. The display unit 14 displays a desired image according to the control by the control unit 11.
The speaker 15 outputs a desired sound according to the control by the control unit 11.
The card reader 17 is an interface for accessing the SD card 171. The control unit 11 can read the information stored in the SD card 171 via the card reader 17.

The storage unit 16 is a non-volatile storage element that stores various types of information. The storage unit 16 is composed of, for example, an EEPROM, a flash memory, a hard disk drive, or the like. The storage unit 16 stores map data, image data displayed on the display unit 14, sound data output from the speaker 15, various databases, and the like. As various databases, there are at least a first DB and a second DB described below.

The first DB is a database that stores polygon data that can identify administrative divisions based on position information. For example, administrative divisions are defined for each municipality that is smaller than the prefecture unit. Hereinafter, the area represented by the administrative division is also referred to as a division area. Area information for identifying the division area is associated with the polygon data.

The control unit 11 refers to the first DB based on the position information output from the GPS receiving unit 13 to specify the area information for identifying the section area in which the own vehicle is located in units of cities, wards, towns and villages. The area represented by the division area is not limited to the municipality. The division area may represent another area such as an area under the jurisdiction of the police of each prefecture or an area of a prefecture.

The second DB is a database that stores information about a target object (appropriately referred to as a notification target object) to be notified to the driver. Targets include, for example, speed measuring devices, speed limit switching points, control areas, inspection areas, ban monitoring areas, N systems, traffic monitoring systems, intersection monitoring points, signal neglect deterrence systems, police stations, accident-prone areas, cars. High-frequency frequent occurrence area, steep / continuous curve (expressway), branch / confluence point (expressway), ETC lane advance guidance (expressway), service area (expressway), parking area (expressway), parking area (expressway) Road), Highway Oasis (Expressway), Smart Interchange (Expressway), Gas Station in PA / SA (Expressway), Tunnel (Expressway), Highway Radio Reception Area (Expressway), Prefectural Border Notice, Road Station, There is viewpoint parking etc. The speed measuring device includes a speed measuring device that emits a radar wave (microwave) such as a radar, a speed measuring device that does not emit a radar wave such as a loop coil, and the like.

In the second DB, information indicating the type of the notification target object, latitude and longitude information indicating the position of the notification target object, data of a schematic diagram or a photograph displayed on the display unit 14, sound data output from the speaker 15, etc. Is stored in association with each target object. The control unit 11 identifies a notification target near the own vehicle by referring to the second DB based on the position information output from the GPS receiving unit 13.

The first DB and the second DB are stored in advance in the storage area of the storage unit 16 at the time of product shipment. After the product is shipped, the data of the first DB and the second DB can be updated by using a well-known method. As a data updating method, for example, there is a method using an SD card 171 storing the first DB and the second DB. Data can be updated by reading the first DB and the second DB from the SD card 171 set in the card reader 17 and storing them in the storage unit 16. Further, for example, there is also a method of updating data using various communication functions such as an infrared communication function provided in the driving support system 1. Data can be updated by acquiring the updated first DB and second DB by executing infrared communication with an external device and storing them in the storage unit 16. It is also possible to acquire only the data of the difference between the old first DB or the like and the new first DB or the like and update the data.

The SD card 171 stores a third DB in which a plurality of monitoring schedule information related to traffic monitoring activities are stored. Traffic monitoring activities are information on traffic monitoring activities that are carried out irregularly in unspecified places in order to promote safe driving, and include, for example, police enforcement and inspections. In the driving support system 1 of this example, the details of the traffic monitoring activity related to the own vehicle are specified by referring to the third DB.

The detailed data specifications of the third DB will be described with reference to the example of FIG. In the figure, each information stored in indexes 1 to 15 is monitoring schedule information. The monitoring schedule information is information based on public control information published through the homepages of each prefectural police department (hereinafter referred to as HP) nationwide. The monitoring schedule information is generated by converting this public control information into data in a predetermined format. In particular, in the monitoring schedule information stored in the third DB of this example, in addition to the monitoring schedule information in which the monitoring period in which the traffic monitoring activity is carried out corresponds to the present, the monitoring period is set in the future ahead of the present. The first monitoring schedule information is included, and the second monitoring schedule information for which a monitoring period has been set in the past before the present is included.

The monitoring schedule information includes "prefecture" where traffic monitoring activities are carried out, "start date", "start time", "end date", "end time", "jurisdiction" police station where traffic monitoring activities are carried out, and " Includes "place of implementation" and "display content" which is text-based notification information. For example, in Fig. 2, the information of Index 2 will be regulated in any area of Kuzumaki Town under the jurisdiction of the Iwate Prefectural Police from 12:00 to 18:00 on March 7, 2011. Means. "302" in the "implementation place" is the area information for identifying the city, ward, town, and village.

Area information for identifying a section area is stored in the "implementation place" of the monitoring schedule information for each city, ward, town, and village. For example, if the information published as the place where the traffic monitoring activity is carried out spans multiple cities, wards, towns and villages such as "prefectural road", all the area information that identifies the corresponding city, ward, town and village is "the place of implementation". ". For example, in the third DB of FIG. 2, the monitoring schedule information of the index 5 in which the traffic monitoring activity is executed on the "prefectural road" includes the area information "302 (Kuzumaki Town)" "501 (Karumai Town)" and "209 (Karumai Town). Ichinoseki City) ”is included in the“ implementation site ”that corresponds to the monitoring point. In this way, when the traffic monitoring activity is open to the public over a wide area, a plurality of area information is included in the monitoring schedule information. By constructing such monitoring schedule information, it is possible to identify the area (monitoring area) where the traffic monitoring activity is carried out with high certainty.

In the driving support system 1 of this example, polygon data that can specify the area information for each city, ward, town, and village is stored in the first DB. Therefore, based on these, the area information of the section area where the own vehicle is located is stored in the city, ward, town, and village. Specify by unit. The area information of the section area where the own vehicle is located and the area information associated with the monitoring schedule information as the "implementation place" are both in units of cities, wards, towns and villages. For example, the same area as the area where the vehicle is located and the area adjacent to it can be uniformly searched from the "location" in the monitoring schedule information, so traffic monitoring activities carried out near the vehicle can be performed. It is possible to easily identify the monitoring schedule information of.

For example, the area where traffic monitoring activities are carried out is "~ area" for A prefectural police, "~ direction" for B prefectural police, "~ along line" for C prefectural police, and public control information is released on a regional basis. Suppose it was done. In this case, the unit of the area where the traffic monitoring activity is carried out differs depending on the prefectural police of the publishing source of the public control information. According to the driving support system 1 of this example, even in such a case, it is possible to associate the area information of each municipality with the monitoring schedule information for the public control information announced by all prefecture police. , Can be used uniformly as a "place of implementation". As a result, the driving support system 1 of this example can uniformly, accurately, and easily identify the monitoring schedule information regarding the traffic monitoring activity carried out in the section area where the vehicle is located. For example, even if the area where traffic monitoring activities are carried out is abstractly announced, such as "along the line" or "toward", information on traffic monitoring activities being carried out near the vehicle is assured. Can be identified with high sex.

Notification information related to traffic monitoring activity is stored as text information in the "display content" that constitutes the monitoring schedule information. The notification information stored in the "display contents" is used as it is as a message displayed on the display unit 14 (see FIG. 1). The part of the notification information enclosed in [] stores the category indicating the type of traffic monitoring activity. The wording of the notification information of "display content" expresses the composition of "what", "when", and "where" in a single sentence so that the content can be grasped even by glancing at the driving. The "what" information is information indicating the content of the control such as "speed violation", "drinking", and "pause". The "when" information is information indicating the time zone and date when the traffic monitoring activity is carried out. The "where" information is, for example, information indicating an address or a route on which a traffic monitoring activity is carried out.

The control unit 11 displays a message based on the notification information of the "display content" on the display unit 14 as a telop at a predetermined notification timing. As will be described in detail later, in the driving support system 1 of this example, the notification timing is determined based on the monitoring schedule information and the current information.
The notification information displayed as a telop as a message includes the type of traffic monitoring activity (“what”), the period during which the traffic monitoring activity is carried out (“when”), and the area where the traffic monitoring activity is carried out (“where”). ")It is included. If there is a telop display of the message, for example, the driver or the like can recognize the priority item of the control as the type of traffic monitoring activity. Priority items for control include, for example, overspeeding, overloading, seat belts, drunk driving, and ignoring traffic lights. Further, for example, the driver or the like can recognize the police jurisdiction, the route, the municipality, etc. as the area where the traffic monitoring activity is carried out. By displaying the above message as a telop, the driver can grasp the notification information in detail, and can motivate safe driving with particular attention to these points.

Here, an example of a method of generating monitoring schedule information stored in the third DB will be described. The monitoring schedule information is generated by, for example, an operator or the like converting public control information published through the websites of each prefectural police department nationwide into data. When converting the monitoring schedule information into data, as shown in Fig. 2, after extracting the implementation date, time zone, place, type, etc. from the public control information with the same wording as much as possible, the notification information, which is text information, is associated. Be done. Since the public control information is published via the website of each prefecture police, it is the monitoring schedule information for each prefecture as illustrated in the figure. Each piece of information is for one case for each date, time zone, jurisdiction, city, ward, town, or village, or control type. Considering the limitation of the storage capacity of the SD card 171, the monitoring schedule information is simply converted into data. Depending on the public control information, a specific item in the stored information of the third DB may not be published. Unpublished items will not be converted into data and will be free data. The items associated with the monitoring schedule information are not limited to the above examples. It is also conceivable to put together each item so that the generation efficiency of the information stored in the third DB can be improved.

The third DB including the monitoring schedule information generated by converting the public control information into data can be downloaded from the dedicated HP on the user side. The downloaded contents of the third DB are stored in the SD card 171. The control unit 11 selects and reads out the monitoring schedule information to be notified from the monitoring schedule information stored in the third DB.

As the monitoring schedule information to be selected, first, the own vehicle position and the current time with respect to the monitoring schedule information such as "start date", "start time", "end date", "end time", and "implementation place". There is monitoring schedule information that matches the current information such as. Furthermore, the monitoring schedule information, which is determined to be in the "preliminary status" of the traffic monitoring activity, is also selected, although the current information such as the position of the own vehicle and the current time does not match the monitoring schedule information. The specific contents of the "preliminary status" and the details of the process of displaying the message generated based on the selected and read monitoring schedule information on the display unit 14 will be described later.

Next, the display screen 20, which is an example of the display screen displayed on the display unit 14, will be described with reference to FIG. A main display area 21, a first sub display area 22, and a second sub display area 23 are arranged on the display screen 20. The main display area 21 is an area for displaying an image for showing the positional relationship between the own vehicle and the notification target object. The first sub-display area 22 is an area for displaying the name of the section area in which the own vehicle is located. The second sub-display area 23 is an area for displaying a message related to the traffic monitoring activity.

The main display area 21 displays an area 211 for displaying a map image, an area 212 for displaying the type of the notification target and the distance to the notification target, an area 213 for displaying the traveling speed of the vehicle, a display mode, and the current time. Area 214 and the like are arranged.
The map image is an image generated by reading the map data around the position of the own vehicle from the storage unit 16. The range of the map image to be displayed in the area 211 of the main display area 21 is determined according to the setting by the driver. The own vehicle icon 31 and the target icon 32 are superimposed and displayed on the map image displayed in the area 211. The own vehicle icon 31 is an icon display for indicating the position of the own vehicle with respect to the map image. The control unit 11 identifies the position of the own vehicle based on the position information output from the GPS receiving unit 13, and displays the own vehicle icon 31 on the location corresponding to the position of the own vehicle in the map image.

The target icon 32 is an icon display for indicating the position of the notification target object in the map image. The figure displayed inside the target icon 32 indicates the type (category) of the notification target object. The control unit 11 identifies the position of the notification target object based on the second DB, and displays the target icon 32 on the location corresponding to the position of the notification target object in the map image. The type of the notification target and the distance to the notification target are displayed as text in the area 212.

When the distance from the own vehicle to the notification target becomes smaller than the predetermined distance, the control unit 11 reads out the schematic diagram or photographic data from the second DB according to the type of the notification target and displays it on the map image. To do. Further, the voice data corresponding to the notification target is read from the second DB and output from the speaker 15. For example, when the speed measuring device approaches less than 500 m, the data of the schematic diagram or photograph of the speed measuring device is read out from the second DB and displayed on the map image, and "500 m ahead speed measuring device. Speed caution". The sound is read from the second DB and output from the speaker 15.

The control unit 11 determines whether or not the notification target is near the own vehicle based on the RSSI voltage level output from the wireless reception unit 12. The RSSI signal level increases in proportion to the strength of the radio signal received by the radio receiver 12. The control unit 11 determines whether or not the distance from the own vehicle to the notification target is smaller than the predetermined distance based on the threshold value determination regarding RSSI. When the control unit 11 determines that this distance is smaller than the predetermined distance, the control unit 11 reads out the schematic diagram or photographic data from the second DB according to the type of the notification target object, and displays the data on the map image. Further, the voice data corresponding to the notification target is read from the second DB and output from the speaker 15. For example, when an emergency vehicle approaches within a predetermined distance, the data of the schematic diagram or photograph of the emergency vehicle is read out from the second DB and displayed on the map image, and the voice "Emergency vehicle. Speed caution" is sounded in the second DB. Is read from and output from the speaker 15.

The driving support system 1 of this example that operates as described above can notify the driver that an object to be notified exists near the own vehicle. The driver can recognize the notification target near the own vehicle by visually recognizing the main display area 21. By notifying the driver of the approach to the notification target, which is often installed in a dangerous place where a traffic accident is likely to occur, it is possible to promote safe driving when approaching a dangerous place.

Since the map image is displayed in the main display area 21, the driver can grasp the geographical information around the own vehicle. For example, by grasping the surrounding road environment, the driver can reduce the traveling speed in advance and pay sufficient attention to the surrounding environment in advance. As described above, the driving support system 1 of this example can present the information necessary for the driver's safe driving to the driver together with the message of the notification information.

The control unit 11 aligns the own vehicle icon 31 and the target icon 32 displayed in the area 211 of the main display area 21 with the map image, and displays them in synchronization with each other. The display position of the own vehicle icon 31 is fixed to the lower central portion of the area 211. The orientation of the map image is set so that the traveling direction of the vehicle is on the upper side. When the traveling direction of the own vehicle changes (turns), the map image rotates accordingly. When the own vehicle moves forward, the map image scrolls downward (so-called heading-up display). It should be noted that such display control is realized by using map display control in the car navigation system, that is, control of scrolling the map image as appropriate while the position of the own vehicle is fixed at the center of the screen.

In the first sub display area 22, the name of the section area in which the own vehicle is located is displayed. Based on the position information output from the GPS receiving unit 13, the control unit 11 identifies the area information of the section area in which the own vehicle is located by referring to the first DB described above. The name of the partition area corresponding to the specified area information is displayed in the first sub-display area 22. The driver can grasp the division area where the own vehicle is located by visually recognizing the name displayed in the first sub display area 22.

In the second sub display area 23, a message (notification information) as notification information regarding the traffic monitoring activity is displayed. This message is text-based notification information generated based on the monitoring schedule information stored in the third DB stored in the SD card 171. The message includes information such as the date and time of enforcement, the type of enforcement, and the location of enforcement (route, jurisdiction, etc.). Since there are slight differences in the content of public control information published by each prefecture police, the displayed content may differ depending on the prefecture. When the number of broadcast information included in the message is two or more and the number of characters in the message increases, the control unit 11 sends the message as a telop and displays it in the second sub display area 23.

A specific example of the message to be displayed in the second sub-display area 23 will be described with reference to FIGS. 4 and 5. As shown in the figure, the message 41 includes a plurality of phases (first phase 42 and second phase 43) classified for each category of monitoring schedule information. The first phase 42 and the second phase 43 include one or more broadcast information. When a plurality of broadcast information is included in one phase, they are arranged in order. In FIG. 4, "○○ information" and "△△ information" correspond to the notification information of each case. A title indicating an outline of the broadcast information is added to the beginning of each phase.

In this way, the message displayed in the second sub-display area 23 is information created by classifying a plurality of notification information notified to the driver into each type (category). According to this message, it is possible to make the driver recognize the notification information regarding the traffic monitoring activity by distinguishing each category. The number of characters that can be registered in one phase is limited to, for example, 128 double-byte characters (256 bytes in terms of the number of bytes). If such a limit on the number of characters is set, it becomes easier for the driver to grasp the contents while driving.

When the number of characters registered in one phase exceeds 128 characters, the notification information is classified into more detailed categories. For example, in FIG. 5, it is divided into a first phase in which the title is "<< Public control information Aichi Prefectural Police >>" and a second phase in which the title is "<< Traffic regulation information Aichi Prefectural Police >>". There is. In the first phase, information on "regulation" (corresponding to the monitoring schedule information of indexes 2 and 3 in FIG. 2) is stored.

Generally, when visually recognizing the display unit 14 during operation, it is difficult for the driver to keep looking at the display unit 14 for a long time. Therefore, if many messages are displayed on the display unit 14 at one time, the driver or the like may not be able to accurately recognize the messages. On the other hand, in the driving support system 1 of this example, the amount of information displayed at one time is suppressed by scrolling the messages that do not fit in the second sub-display area 23, and the above-mentioned problems are prevented. I'm avoiding it. In this driving support system 1, messages which are notification information created based on the monitoring schedule information are classified into categories and scrolled and displayed in the second sub display area 23. As a result, the amount of information of the message displayed at one time in the second sub display area 23 can be suppressed, and the characters of the displayed text can be enlarged. The driver can accurately recognize the message displayed in the second sub-display area 23 even when the display unit 14 is repeatedly visually recognized at short intervals during driving.

For example, when the message 41 shown in FIG. 4 is displayed in the second sub-display area 23, the first phase 42 (title, XX information (first item), XX information (second item)) is second. The sub-display area 23 is sequentially scrolled, and when all the scrolling of the first phase 42 is completed, the second phase 43 is entered. When the remaining phases are exhausted, the scroll display is repeated in order from the first phase 42. Since the scroll display is repeatedly executed a plurality of times, the driver can recognize the message that is repeatedly displayed even if the message is once missed.

Of the messages, the title of the first phase 42 is first displayed in the second sub-display area 23, and at the same time, an alarm sound (pilloleen, pilloween) is output from the speaker 15. As a result, it is possible to inform the driver that the message, which is the notification information, is displayed in the second sub display area 23.

When the section area where the vehicle is located changes according to the traveling of the vehicle and the message displayed in the second sub display area 23 is updated, the alarm sound is similarly output from the speaker 15. As a result, the driver can reliably recognize the updated message by visually recognizing the display unit 14 when the notification is given by the alarm sound. In this way, the driving support system 1 can prevent the driver from overlooking the updated message.

The control unit 11 changes the scroll speed when the message is scrolled and displayed in the second sub display area 23 according to the vehicle speed (traveling speed of the vehicle). For example, when the vehicle speed is high, it is possible to assume a driving situation in which the line of sight cannot be continuously directed to the display unit 14 for a long time. In such a case, slow down the scrolling speed of the message so that the driver can understand even a simple sentence. This ensures that the driver can recognize the message within a short period of time. On the other hand, for example, when the vehicle speed is low, it is possible to assume a driving situation in which the line of sight can be continuously directed to the display unit 14 for a relatively long time. In such cases, increase the scrolling speed of the message. This enables the driver to recognize a large number of messages with high certainty. In addition, the scrolling speed of the message will be further increased so that various public control information can be viewed while the vehicle is stopped.

Further, when displaying the message in the second sub display area 23, the control unit 11 displays the message in a different display color depending on whether the target traffic monitoring activity is being carried out, has been carried out, or is scheduled to be carried out. indicate. The message of the traffic monitoring activity underway is red, the message corresponding to the implementation schedule is yellow, and the message of the implementation schedule is blue. Instead of this, for example, while keeping the text display color constant, it is also possible to change the display mode by changing the background color of the second sub-display area 23, and it is being implemented or will be implemented. It is also possible to provide a display lamp indicating whether or not the display has been performed, and to turn on one of the display lamps during the message display to change the display mode.

Since the name of the division area where the vehicle is located is displayed in the first sub display area 22, the driver can recognize the message displayed in the second sub display area 23 together with the division area. For example, when the traffic monitoring activity is carried out over a wide area, the driver can confirm which part of the entire area where the monitoring activity is carried out. For example, suppose a route is announced as an area where traffic monitoring activities are carried out. It is assumed that the own vehicle moves and the own vehicle enters the section area to which the announced route belongs. At this time, the name of the section area in which the own vehicle is located is displayed in the first sub display area 22. In the second sub display area 23, a message including the announced route is displayed. By referring to the map image displayed in the main display area 21, the driver can easily identify the location of the route included in the message from within the section area of the name displayed in the first sub display area 22. You can recognize the positional relationship between your vehicle and the route. By determining whether or not the vehicle is approaching the route, the driver can grasp the place where special attention should be paid to safe driving and can continue driving.

Next, the main process executed by the control unit 11 will be described with reference to FIG. When the power is turned on to the driving support system 1, the control unit 11 executes the program stored in the ROM to execute the main process. In response to the start of the main process, the control unit 11 first acquires the position information output by the GPS receiving unit 13 and specifies the latitude and longitude of the own vehicle position based on the position information to obtain a map image. The position of the own vehicle on the above is specified (S101). Subsequently, the control unit 11 acquires the area information of the section area in which the own vehicle is located by referring to the first DB of the storage unit 16 based on the acquired position information (S102), and stores the area information in the RAM. Let me.

The control unit 11 generates a map image of the surrounding area including the position of the own vehicle based on the map data stored in the storage unit 16. The map image is displayed in the area 211 of the main display area 21 on the screen of the display unit 14 (S103). The size of the map image displayed in the area 211 is adjusted based on the conditions preset by the driver. Subsequently, the control unit 11 displays the own vehicle icon 31 on the map image corresponding to the position of the own vehicle specified in S101 (S104). The driver can grasp the geographic information of the surrounding area including the position of the own vehicle by visually recognizing the map image and the own vehicle icon 31 displayed in the main display area 21.

The control unit 11 specifies the name of the division area in which the own vehicle is located in units of cities, wards, towns and villages based on the area information acquired in S102. The name of the partition area is specified by referring to the correspondence table between the area information and the name stored in advance in the storage unit 16. The name of the specified partition area is displayed in the first sub-display area 22 of the screen of the display unit 14 (S105). On the driver side, by visually recognizing the name displayed in the first sub display area 22, the division area in which the own vehicle is located can be recognized in units of cities, wards, towns and villages.

Subsequently, the control unit 11 specifies the current information such as the current date and time (date and time) (S106). For example, the current date and time is acquired from a real-time clock (RTC) (not shown). Subsequently, the third DB stored in the SD card 171 is read out, and the monitoring schedule information stored in the third DB is referred to (S107). Then, based on the monitoring schedule information stored in the third DB read from the SD card 171, a message which is the notification information to be displayed in the second sub display area 23 is generated as follows.

Of the monitoring schedule information stored in the third DB of the SD card 171, it is determined that the monitoring schedule information and the current information that match the current information such as the own vehicle position (area information) and the current date and time are in the "preliminary status". Select the monitoring schedule information.
For example, when selecting the monitoring schedule information whose current information matches, first, the monitoring schedule information to which the same area information as the area information specified in S102 is associated as the "implementation place" is extracted. The control unit 11 monitors the traffic monitoring activity based on the "start date", "start time", "end date", and "end time" (see FIG. 2) associated with the monitoring schedule information. Specify the period and select the monitoring schedule information that satisfies the condition that the current date and time are included in the monitoring period.
For example, when selecting the monitoring schedule information determined to be in the "preliminary situation" in which the temporal proximity is satisfied, first, the same area information as the area information (specified in S102) corresponding to the position of the own vehicle is used. Extracts the monitoring schedule information associated with "Implementation location". The control unit 11 monitors the traffic monitoring activity based on the "start date", "start time", "end date", and "end time" (see FIG. 2) associated with the monitoring schedule information. Specify the period and select the monitoring schedule information whose current date and time satisfy the temporal proximity to the monitoring period. The content of temporal proximity will be described in detail later.
For example, when selecting the monitoring schedule information corresponding to other adjacent partition areas and which is judged to be in the "preliminary situation" where the locational proximity is satisfied, first, each monitoring is performed. The monitoring period of the schedule information is specified, and the monitoring schedule information whose monitoring period includes the current date and time is extracted. The control unit 11 selects the monitoring schedule information to which the area information of the other division area adjacent to the division area to which the position of the own vehicle belongs is associated as the "implementation place" as the monitoring schedule information satisfying the local proximity. .. The details of the locational proximity will be described later.

When the monitoring schedule information is not selected (S108: NO), the process returns to S101 without generating the notification information (message) to be displayed in the second sub display area 23. On the other hand, when one or more monitoring schedule information is selected (S108: YES), the notification information to be displayed in the second sub display area 23 is generated as follows based on the monitoring schedule information (S109). ).

The control unit 11 classifies and arranges the selected monitoring schedule information according to the type (category) of the traffic monitoring activity. A title indicating the outline of each category is added to the head of the notification information arranged for each category. As the title, the most suitable title is selected from a plurality of titles prepared in advance. The optimum title is selected, for example, as follows. A table in which titles and categories are associated with each other is stored in the storage unit 16 in advance. When the broadcast information is classified and arranged for each category, the title corresponding to each classified category is specified by referring to the table stored in the storage unit 16. The specified title is added to the beginning of the arranged monitoring schedule information as the optimum title indicating the category. As a result, each phase that composes the message is created and stored in the RAM.

Subsequently, the control unit 11 specifies the vehicle speed (S110). In this example, the moving speed output by the GPS receiving unit 13 is treated as the vehicle speed. Instead of this, it may be specified based on an acceleration sensor (not shown), or may be specified based on OBD data acquired via the OBD connector on the vehicle side. The control unit 11 determines the scroll speed at which the message generated in S109 is scrolled and displayed according to the vehicle speed. Specifically, the scroll speed is determined so as to be inversely proportional to the vehicle speed. The control unit 11 scrolls and displays the message in the second sub display area 23 at the scroll speed determined in this way (S111). According to such control, the scroll speed is slowed down in a state where the vehicle speed is high and the driver cannot see the display unit 14 continuously for a long time, so that a message such as "flickering" can be recognized in a short time. Is sure. On the other hand, when the vehicle speed is slow, the scroll speed becomes high, so that a large amount of messages (notification information) can be displayed. In a situation where the vehicle speed is slow, the driver can visually recognize the display unit 14 continuously for a relatively long time, so that even if a large number of messages are displayed, it is unlikely that the display unit 14 will be missed. When the message is scrolled for the first time in the second sub display area 23, an alarm sound is output from the speaker 15.

The control unit 11 determines whether or not the area information acquired in S102 has been changed as the vehicle moves. Whether or not the area information has been changed is determined by whether or not the area information previously stored in the RAM and the area information stored this time are different from each other. If the area information is changed, the message created in S109 may be newly updated. Therefore, the control unit 11 determines whether or not the message created in S109 has been newly updated (S112). Whether or not the message has been updated can be determined by whether or not the message stored last time in the RAM and the message stored this time are different.

If there is no change in the message created in S109 (S112: NO), the process returns to S10 as it is. On the other hand, when the message is newly updated (S112: YES), an alarm sound is output from the speaker 15 (S122). By outputting the alarm sound in this way, the driver's attention can be drawn to the second sub display area 23, and the newly updated message can be recognized by the driver with high certainty. In the driving support system 1 of this example, the oversight of the message updated by such a device is suppressed. After the alarm sound is output, the process returns to S101.

In the main process, for example, a predetermined wait time (for example, 1 second) may be set when returning to S101 after S108, S112, and S122. Further, for example, in the main process, after S108, S112 and S122, a process of returning to S101 when the mileage of the vehicle becomes a predetermined distance or more may be performed. Then, the position of the own vehicle may be repeatedly specified in S10, and the message may be repeatedly generated based on the specified position of the own vehicle. With this configuration, it is possible to accurately generate and display a message related to the monitoring activity while reducing the processing load of the control unit 11.

The driving support system 1 of this example configured as described above selects the monitoring schedule information determined to be in the "preliminary situation" from the monitoring schedule information in which the current information such as the position of the own vehicle and the current time does not match. You can select and display the message. In this driving support system 1, even if the position of the own vehicle does not match or it is related to the traffic monitoring activity carried out in the past, the monitoring schedule information having a certain relevance is important related to the driver. It is treated as information.

An example will be given of a prior situation in which the current information such as the position of the own vehicle and the current date and time does not match the monitoring schedule information, but has a predetermined relationship with the corresponding traffic monitoring activity. The prior situations are as follows: (1) prior situation where temporal proximity is satisfied, (2) prior situation where spatial proximity is satisfied, (3) prior situation related to current information, And so on.

(1) Preliminary situation in which temporal proximity is satisfied.
As the "preliminary situation" in which the temporal proximity is satisfied, for example, the current time does not belong to the monitoring period, but the traffic monitoring activity has been carried out in the past in the section area where the own vehicle is located, or the traffic. There are situations where there are plans for surveillance activities. For example, in the compartment area where the own vehicle is located, regarding the monitoring schedule information regarding seatbelt control that was carried out in the past such as last month or last week, the situation represented by the current information is in the "preliminary situation" that satisfies the temporal proximity. Judged and selected.

The prior situation in which the temporal proximity is satisfied is a situation in which the current time belongs within a predetermined time range that does not include the monitoring period based on the monitoring period in which the traffic monitoring activity is carried out.
As shown in FIG. 7, the predetermined time range that does not include the monitoring period (the range of zero circled in the figure) is the range of circled 1 in the figure on the side that goes back in time from the monitoring period and the monitoring period. On the other hand, there is a range of circle 2 in the figure on the side where time elapses.

For example, in FIG. 7, the situation in which the current time (for example, the inverted triangular box 1 in the figure) belongs to the range of the circle 1 is the “preliminary situation” for the traffic monitoring activity in the range of the circle zero. In this "preliminary situation", the monitoring period in which the traffic monitoring activity is carried out is set in the future beyond the present of the inverted triangular box 1 in the figure. Therefore, in this "preliminary situation" in which the current time belongs to the range of the circle 1, the information regarding the traffic monitoring activity in the range of the circle zero becomes the first monitoring schedule information.
On the other hand, for example, in FIG. 7, the situation in which the current time (for example, the inverted triangular box 2 in the figure) belongs to the range of the circle 2 is also referred to as the “preliminary situation” for the traffic monitoring activity in the range of zero circle. Become. In this "preliminary situation", the monitoring period in which the traffic monitoring activity is carried out is set in the past before the present of the inverted triangular box 2 in the figure. Therefore, in this "preliminary situation" in which the current time belongs to the range of the circle 2, the information regarding the traffic monitoring activity in the range of the circle zero becomes the second monitoring schedule information.

For example, regarding the monitoring schedule information regarding the seatbelt control in the section area where the own vehicle is located, not only the monitoring schedule information currently being implemented or scheduled to be implemented but also the monitoring schedule information that has already been implemented is satisfied with the temporal proximity. It can be treated as being in the "preliminary situation". For example, "The seatbelt was cracked down in the afternoon of XX days. Let's check if the seatbelt is worn." It is also good to notify the time of the event at the same time. By executing such notification, it is possible to "awareness" of the crackdown on a daily basis.

Even if the past monitoring schedule information has been implemented, the same crackdown may be implemented again at the same location. Alternatively, it is possible that information on the next traffic monitoring activity has not been released as public control information. Therefore, the above-mentioned messages regarding past traffic monitoring activities are useful references for drivers to carry out safe driving. The past monitoring schedule information and the like that have already been performed are selected because the current information such as the current time does not match the monitoring schedule information, but the condition of temporal proximity is satisfied.

In order to select past monitoring schedule information, for example, a built-in database such as SQLite used in smartphones (multifunctional mobile phones) is installed, and the coordinate range of date and time and place is installed. , It is also good to set the details of the crackdown on the table. As a matter of course, it is necessary to keep the "past" monitoring schedule information for a certain period of time. For example, if the location is set as the search key, it is possible to select the monitoring schedule information whose position information by the GPS receiving unit 13 is included in the "coordinate range of the location" in the table. The search key is not limited to the location, but vehicle information such as time and vehicle speed can be used. For example, if the time is set as the search key, it is possible to search for the control of the time zone beyond the current time in a relatively wide range (for example, prefecture unit) including the position of the own vehicle. For example, it is possible to make a notification such as "In the XX district, the XX crackdown was implemented XX days before the coming time zone. Let's be careful." Not only the past monitoring schedule information corresponding to the already implemented traffic monitoring activity (second monitoring schedule information), but also the message regarding the future monitoring schedule information (first monitoring schedule information) corresponding to the traffic monitoring activity scheduled to be carried out. It is also good to execute the notification by. With such a notification, the driver or the like can know in advance the schedule of the future crackdown several days in advance.

It is also possible to display a message so that the driver can distinguish whether the message is related to the monitoring schedule information of the past traffic monitoring activity or the monitoring schedule information of the future traffic monitoring activity. For example, if the display color and background color of the message are changed, it becomes easier for the driver to distinguish them.
The predetermined time range may be set differently for each type of traffic monitoring activity. For example, a longer time range can be set for more important traffic monitoring activities such as speed control, while a shorter time range can be set for less important traffic monitoring activities such as traffic campaigns.

(2) Preliminary situation where local proximity is satisfied.
The "preliminary situation" in which the locational proximity is satisfied is, for example, whether the division area where the vehicle is located is adjacent to the target division area of the traffic monitoring activity, and the current time is included in the monitoring period. Or there is a situation just before. For example, regarding the monitoring schedule information regarding seatbelt control being implemented in other compartment areas adjacent to the compartment area where the own vehicle is located, the situation represented by the current information is in the "preliminary situation" that satisfies the locational proximity. Judged. The message based on the seatbelt control monitoring schedule information should be identifiable as being a traffic monitoring activity being carried out in an adjacent section area. For example, it is preferable to change the display color of the message or the background color of the monitoring schedule information that matches the current information.

In the prior situation where the locational proximity is satisfied, the position of the own vehicle, which is one of the current information, does not match the monitoring point or the monitoring area, but the predetermined positional range with respect to the monitoring point or the monitoring area. It is a situation where the condition of local proximity of being inside is satisfied. For example, it is not a section area including a monitoring point or a monitoring area (area with zero circle in FIG. 8), but another section area adjacent to the section area (areas with circled numbers 1 to 6 in the figure). At least one of them may be set as the predetermined positional range. In FIG. 8, each region is schematically shown as a regular hexagon, but of course, the shape of each region varies from region to region.

For example, the own vehicle is located outside the compartment area related to the monitoring schedule information, but it is within a predetermined (distance) range in which the vehicle can enter the compartment area within a few hours, and the direction of travel is extended. When the line intersects the section area, it may be determined that the monitoring schedule information related to the section area is in the "preliminary situation". In this case, the driver can be made to recognize the control schedule related to the monitoring schedule information in advance before entering the section area related to the monitoring schedule information. For example, if the traffic monitoring activity is a suspension control, the current information that the traffic has stopped at any intersection in the other section area where the control is expected to enter the area is acquired. At the notification timing, notification information regarding the suspension control will be notified in advance. By associating the situation of stopping at an intersection with the traffic monitoring activity being a temporary stop control, it is possible to notify the driver in advance of the implementation of the temporary stop control, which means that caution is required when passing through an intersection. You can impress the driver.

For example, a route passing through the monitoring point or a route partially belonging to the monitoring area may be set as a predetermined positional range in which the local proximity is satisfied. Of course, in order to set such a positional range, for example, it is necessary to store the route information representing the road in the first DB.
For example, in addition to the route passing through the monitoring point or a route partially belonging to the monitoring area, another route connecting to the route may be set as the predetermined positional range. Of course, in this case, it is necessary to store the link information representing the connection relationship between different routes in the first DB.

For example, among the routes to the destination, a route passing through the monitoring point or a route in which a part of the route belongs to the monitoring area may be set as the predetermined positional range. In order to set such a positional range, for example, it is necessary to provide a navigation function for calculating the route to the destination, or to take in the route guidance information which is the route calculation result from another navigation device. .. By utilizing this route guidance information, it becomes possible to determine that the monitoring schedule information regarding the traffic monitoring activity in which the monitoring point is located in the section area to which the route to the destination belongs is in the "preliminary situation". Further, it is also good to store the link information indicating the connection relationship of the road in the first DB. By using the link information, the own vehicle is connected to the route on which the vehicle is traveling, and another route on which the own vehicle may enter can be selected from now on. It becomes possible to determine that the monitoring schedule information regarding the traffic monitoring activity in which the monitoring point is located in the section area to which the other selected route belongs is in the "preliminary status".

(3) Prior status that is relevant to the current information.
As a preliminary situation of traffic monitoring activity, it is also good to set a situation having a predetermined relationship with the current information. For example, a situation in which the vehicle speed (current information) is high may be judged as a prior situation for traffic monitoring activities such as speed control. For example, if the notification information based on the monitoring schedule information of the past speed control by the mobile orbis or the like is notified, the driver can be made aware of the speed limit and can promote safe driving in compliance with the speed limit. In this case, for example, even if (1) temporal proximity and (2) locational proximity are not satisfied, it may be determined that the situation is prior and the notification may be executed. It motivates the driver to be careful not to overspeed.
For example, the situation where the seatbelt is not fastened may be judged as a preliminary situation for traffic monitoring activities such as inspections. By notifying the notification information based on the monitoring schedule information such as the past traffic safety week and the inspection, it is possible to encourage the driver to fasten the seat belt.

Current information (driving information) that indicates the situation around the vehicle includes information such as a vehicle running in front, a vehicle approaching from behind, a vehicle running side by side, and a signal in front. There is various information such as red, there is a pedestrian crossing in front, there are pedestrians in front, information such as it became dark in the evening, it was raining, etc. These current information can be acquired by, for example, a detection sensor such as a millimeter wave radar, a laser radar, an ultrasonic sonar, an imaging camera, a raindrop sensor, an illuminance sensor, or an infrared sensor.

For example, in a situation where a vehicle is traveling ahead, it is possible to call the driver's attention by executing the notification assuming that the traffic information is in advance, for example, in an accident-prone area. It is possible to prevent the occurrence of rear-end collisions. For example, if it is detected that a pedestrian is approaching an intersection where a pedestrian is walking, or if the driver's line of sight is not heading forward when approaching an intersection, information on past suspension control is notified. It is also good to do. It is possible to call attention to pedestrians and intersections, and improve traffic safety.

It should be noted that, for example, it is also possible to execute notification regarding the "preliminary situation" due to the local proximity or the temporal proximity when one of the proximity is satisfied. At this time, if the amount of information to be notified becomes excessive, the situation is such that the locational proximity or the temporal proximity is satisfied, and the information is currently related to the prior situation. It may be configured to execute notification at times. For example, a "preliminary situation" may be set by a combination of locational proximity and temporal proximity. For example, neither the position of the own vehicle nor the current time is suitable for the monitoring schedule information, but the monitoring schedule information that satisfies the conditions of locational proximity and temporal proximity is selected. For example, in the compartment area adjacent to the compartment area where the own vehicle is located, it becomes possible to select the monitoring schedule information regarding the seatbelt control carried out in the past, and it becomes possible to display the corresponding message.

The following timing may be set as the notification timing for displaying the message as the notification information. For example, if there is monitoring schedule information regarding seatbelt control for the compartment area where the own vehicle is located or the adjacent compartment area, the time when the vehicle ignition is switched on and the power supply to the driving support system 1 is started is notified. As a timing, it is also good to notify the notification information regarding the seatbelt control.

It is also good to acquire the vehicle signal (vehicle information) indicating the seatbelt wearing as the current information. There is a difference in the necessity of notifying the seatbelt control between the case where the seatbelt is already fastened and the case where the seatbelt is not fastened. In the case of non-wearing, for example, a chime sound can be output at the time of notification to indicate that it is important information, or notification can be repeated. On the other hand, when it is already installed, it may be easily notified as if it is general information, or the notification may be stopped.

When the vehicle speed (current information) exceeds the speed limit while driving on a general road, the vehicle speed exceeds the speed limit if there is monitoring schedule information regarding speed control for the section area where the own vehicle is located or the adjacent section area. It is also possible to notify the notification information regarding the speed control by using the time point as the notification timing.
When approaching an intersection while driving on a general road, if there is monitoring schedule information regarding a traffic safety campaign, it is also good to notify the traffic safety notification information with the approach to the intersection as the notification timing. The approach to the intersection can be detected based on the map information or road route information stored in the first DB and the position information acquired by the GPS receiving unit 13.

According to the driving support system 1 of this example, it is possible to notify the information about the traffic monitoring activity "in advance" under the situation where the traffic monitoring activity related to the public control information is not the target. The case of notifying the information "in advance" is related to the case where the public control information is future information and the current information is out of the scope of the information but is notified as a preliminary stage of the traffic monitoring activity. There is a case where the past (implemented) public control information is notified so that the driver himself / herself can foresee (awareness).

As described above, in the driving support system 1 of this example, the monitoring schedule information and the past monitoring schedule information whose locations do not match are also notified under a situation having a predetermined relationship with the current situation. For example, if the notification is executed based on the past monitoring schedule information, it becomes possible to make the driver aware that caution is required because the control related to the current situation has been performed in the past. Even if it is public control information on traffic monitoring activities that have already been carried out, the driver can use the information after the fact to make advance predictions and estimates for traffic monitoring activities.

According to this driving support system 1, not only the traffic monitoring activities actually carried out at the present time but also the traffic monitoring activities to be carried out in the future and the traffic monitoring activities carried out in the past are provided to the driver. can do. Further, it is possible to provide the driver with information on the traffic monitoring activity in which the location matches the position of the own vehicle as well as the traffic monitoring activity in which the location does not match but is related to the current situation. The driver is not only conducting monitoring activities near his vehicle, but also traffic monitoring activities that may be carried out in the future, traffic monitoring activities that were carried out in the past, and those that are carried out at a remote location. You can grasp the traffic monitoring activities, and you can pay more attention to driving in places where traffic accidents are likely to occur.

The driving support system 1 of this example can specify the division area where the own vehicle is located in units of cities, wards, towns and villages. According to this driving support system 1, the position of the own vehicle can be specified in more detail in units of cities, wards, towns and villages regardless of whether it is on an expressway or a general road, and useful information for the driver can be presented.

The driving support system 1 can identify the section area covering the area where the monitoring activity is carried out based on the third DB stored in the SD card 171. The third DB stores monitoring schedule information associated with one or more area information. The area information of the section area where the own vehicle is located and the area information of the section area included in the monitoring schedule information are both defined for each municipality. The driving support system 1 can uniformly specify whether or not the monitoring activity is carried out in the section area where the own vehicle is located based on the third DB. According to this driving support system 1, it is possible to easily and surely identify and notify the driver of a message of information regarding the monitoring activity carried out near the place where the own vehicle is actually located.

Only the message (notification information) necessary for the driver is displayed on the display unit 14. Therefore, it is possible to prevent the driver from overlooking the necessary information by displaying a large number of unnecessary messages. In the driving support system 1, even if "-inside the police station", "-direction", "-along the line", etc. are announced as the area where the monitoring activity is carried out, the vehicle enters the municipality including at least the announced area. You can identify whether or not you did. This is because the area information of the section area where the traffic monitoring activity is carried out is associated with the monitoring schedule information stored in the third DB in units of cities, wards, towns and villages. Therefore, the driving support system 1 can generate a message suitable for the position of the vehicle based on the monitoring schedule information, and can notify the driver. The driver can easily grasp the information on the monitoring activities carried out near the position of the own vehicle.

The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the driving support system 1 may be configured not to include the wireless receiving unit 12. The driving support system 1 may grasp the distance between the notification target and the vehicle based on the voltage level of RSSI output from the wireless receiving unit attached to the outside. Further, the driving support system 1 may be configured not to include the GPS receiving unit 13. The driving support system 1 may grasp the vehicle position based on the position information output from the GPS receiving unit attached to the outside. Further, the driving support system 1 may be configured not to include the display unit 14 and the speaker 15. The driving support system 1 may display a desired image on the external display by controlling the external display. The external display may be, for example, a display of a car navigation system mounted on a vehicle. Further, the driving support system 1 may output a desired sound from the external speaker by controlling the external speaker. The external speaker may be, for example, a speaker mounted on a vehicle.

For example, a situation in which the vehicle speed is high, which is currently specified as information, may be judged as a prior situation for traffic monitoring activities such as speed control. For example, if the notification information based on the monitoring schedule information of the past speed control by the mobile orbis or the like is notified, the driver can be made aware of the speed limit and can promote safe driving in compliance with the speed limit. .. For example, the current information that the seat belt is not fastened may be judged as a prior situation for traffic monitoring activities such as inspections. Notifying the notification information based on the monitoring schedule information such as the past traffic safety week and the inspection has the effect of encouraging the driver to fasten the seatbelt.

Preliminary situations related to the current information include, for example, in the case of seatbelt control, the situation when the current information that identifies the engine start is acquired, and the time from the start of the engine to the start of operation. There is a situation when the expected predetermined time has passed. For example, if the traffic monitoring activity is a drunken control, the situation in which the current time after 6:00 pm and the current information indicating the traveling in the direction away from the downtown area are acquired can be the prior situation. For example, if the traffic monitoring activity is an intersection-related crackdown, the situation in which the current information indicating that the vehicle has stopped at the intersection can be the prior situation.

The content of the message, which is the notification information to the driver, is not limited to the public control information published by each prefectural police station, for example, the information published by each regional development bureau (regulation content, route, address, month). It may be day time, etc.).

The operator may create the third DB as follows based on the published public control information. If the published public control information satisfies the following conditions (1) and (3), or if the following conditions (2) and (3) are satisfied, the operator will monitor the information with various items associated with it. Create information.
(1) When the municipality where the monitoring activity is carried out is published as public control information.
(2) When the jurisdiction or area where the monitoring activity is carried out is announced as public control information.
(3) When the date and time when the monitoring activity is carried out are announced as public control information.

In the above, the operator creates a third DB including monitoring schedule information based on the published public control information. Of course, the present invention is not limited to this. A server (computer device) provided with a collecting means for collecting traffic control information and generating monitoring schedule information may perform a process of automatically creating a third DB including monitoring schedule information. Specifically, it is advisable to carry out as follows. Further, if it is an in-vehicle device having a wireless communication function, it is also possible to download the monitoring schedule information from this server or download the third DB itself.

Public control information published via the website of each prefectural police station is acquired by a server connected to the Internet. The server, for example, periodically (for example, once a day) checks the HP of each prefectural police station of the URL stored in advance, and determines whether or not the public control information is updated. When the public control information is updated, the public control information of the page of the URL is acquired. From multiple public control information in the acquired public control information page, monitoring schedule information and each information corresponding to the monitoring schedule information ("prefecture", "start date", "start time", "end date", Extract "end time" and "jurisdiction"). A plurality of pieces of information on the page are extracted and associated with the monitoring schedule information to create information as illustrated in FIG. The created information is stored in the storage unit of the server.

The implementation area of the monitoring activity announced by the public control information is, for example, "prefecture", "jurisdiction", "route", etc., and is determined for each municipality, which is the unit of "implementation place" associated with the monitoring schedule information. It is often different from the unit of the divided compartment area. In such a case, the server specifies the "implementation location" corresponding to the monitoring schedule information as follows.

The server is published as public control information for each prefectural police department, between the area where traffic monitoring activities are carried out (prefectures, jurisdictions, routes, etc., hereinafter referred to as "public area") and each prefectural police department. A correspondence table associated with the area information specified in the unit of the city, ward, town, or village, which is a common unit, is stored in the storage unit in advance. The area information associated with the public area includes at least the area information of the section area where the traffic monitoring activity is actually carried out. For example, a plurality of area information may be associated with one public area. When the server acquires the public control information from the HP of each prefectural police station, the server extracts the public area included in the acquired public control information. Then, the area information corresponding to the extracted public area is specified by referring to the correspondence table stored in the storage unit. The specified area information is associated with the monitoring schedule information as the "implementation location". Furthermore, the "prefecture", "start date", "start time", "end date", "end time", and "jurisdiction" extracted from the public control information are associated with the monitoring schedule information. Then, the monitoring schedule information associated with various information is stored in the storage unit. The method for specifying the partition area is not limited to the above method.

The message displayed in the second sub display area 23 includes information other than the monitoring schedule information, for example, information on events such as strengthening month, seasonal feeling, customs, road regulation information (construction regulation, traffic regulation due to disaster), etc. You may. For example, by displaying road regulation information, the driver can avoid the regulated route. Information other than the traffic monitoring activity is stored in the SD card 171 together with the third DB, and this information may be read out and stored in a message.

The title and monitoring schedule information stored in each phase in the message displayed in the second sub-display area 23 are arranged according to the type of monitoring activity and the monitoring activity so that they can be easily understood even when they are continuously arranged and scrolled. It may be sorted by background color or colored characters according to the period during which the monitoring activity is carried out and the area where the monitoring activity is carried out, or an icon may be added at the beginning. Further, as shown in FIG. 4, the total number of cases may be added to the title and the number of pages may be added to each monitoring schedule information so that the entire message can be grasped.

The driving support system 1 may also generate a message to be displayed in the second sub display area 23 in the following cases. It is assumed that the monitoring schedule information to which the "implementation location" is not associated is stored in the third DB. From such monitoring schedule information, all the monitoring schedule information associated with the same prefecture as the prefecture in which the own vehicle is located is extracted as "prefecture". The period during which the traffic monitoring activity is carried out is specified based on the "start date", "start time", "end date", and "end time" (see FIG. 2) associated with the extracted monitoring schedule information. Within the specified period, the monitoring schedule information including the current date and time specified in S106 is selected, and a message is created based on the selected monitoring schedule information. The driving support system 1 selects monitoring schedule information regarding monitoring activities carried out in the prefecture where the own vehicle is located, and generates a message.

Although specific examples of the present invention have been described in detail as in the examples, these specific examples merely disclose an example of the technology included in the claims. Needless to say, the scope of claims should not be construed in a limited manner depending on the composition of specific examples, numerical values, and the like. The scope of claims includes technologies that are variously modified, modified, or appropriately combined with the above-mentioned specific examples by utilizing known technologies, knowledge of those skilled in the art, and the like.

1 Driving support system 11 Control unit (control means)
12 Wireless receiver 13 GPS receiver 14 Display 15 Speaker 16 Storage 17 Card reader 171 SD card 41 Message

Claims (5)

It is a driving support system that notifies information that supports the driving of a vehicle.
The monitoring schedule information regarding the implementation schedule of the traffic monitoring activity and the current information which is the current information are acquired, and the current information is in a time range that does not match the monitoring period indicated by the monitoring schedule information and is the same as the current information. It is equipped with a function to notify the notification information based on the monitoring schedule information within a predetermined time range in which the temporal proximity is satisfied at the notification timing determined based on the monitoring schedule information and the current information.
The predetermined time range in which the current information and the time proximity are satisfied is set to a different range for each type of the traffic monitoring activity.
A driving support system featuring. As a predetermined time range in which the current information and the time proximity are satisfied, a range on the side that goes back in time from the monitoring period is provided.
The driving support system according to claim 1. As a predetermined time range in which the current information and the time proximity are satisfied, a range on the side where time elapses with respect to the monitoring period is provided.
The driving support system according to claim 1 or 2. As the types of traffic monitoring activities, speed control and traffic campaigns were provided, and a longer time range was set for speed control than the traffic campaign.
The driving support system according to any one of claims 1 to 3. A driving support program for realizing the function of the driving support system according to any one of claims 1 to 4 on a computer.

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