JP5042259B2 - Expressway break facility usage analysis system - Google Patents

Description

  The present invention relates to a system for analyzing a resting facility on a national highway (so-called highway), more specifically, a service area and a parking area.

  2. Description of the Related Art In recent years, ETC (Electric Tall Collection) systems have been widely used to collect usage fees without stopping vehicles at tollgates on expressways. In this ETC system, vehicle information, expressway usage information, user card information, etc. required for toll collection are passed to the expressway facility manager through communication between the vehicle-mounted device and the roadside device. The person can settle the usage fee based on the received information without stopping the vehicle at the toll booth.

  As mentioned above, the ETC system is intended to collect highway usage fees. However, since information on vehicles etc. is handed over as electronic data to the highway facility manager, such information is provided. Methods have also been proposed for effective use for purposes other than usage fee collection. For example, Japanese Patent Laid-Open No. 2002-207795 (Patent Document 1) describes a road in which an ETC computer, a web computer, a card company host computer, an analysis computer, and a backbone computer are installed, and statistical analysis is performed based on collected information. A traffic information comprehensive processing system is disclosed. Japanese Patent Laid-Open No. 2008-234337 (Patent Document 2) discloses a driver's awareness of speed compliance by giving a privilege when passing through a section provided with a toll gate or speed limit using an ETC on-board device. An automatic payment device for prompting is disclosed.

JP 2002-207795 A Japanese Utility Model Publication No. 2008-234337

  On the other hand, highways are often used for long-distance travel by vehicles, and therefore, driving is often performed for a long time. However, driving for a long time leads to a decrease in judgment due to fatigue, which is very large. There is concern that it could trigger an accident. Therefore, on the highway, a resting facility (hereinafter, also referred to as “SA” or “PA”) called a service area and a parking area is provided every certain section, and the driver is encouraged to rest at appropriate intervals. However, whether or not to take a break is determined by the driver himself, and it is unclear how much time interval or distance interval is taken and how long the break is taken.

  However, in light of the fact that accidents due to fatigue of long-distance truck drivers have occurred, information on how rest facilities are being used is appropriate for the installation interval and scale of facilities, and for drivers It is extremely important for preparing an environment where it is easy to take a break. This is because it can be expected to be used by more drivers by grasping the state in which the rest facility is used and enhancing the facilities that the user desires. On the other hand, with the conventional technology, it has been difficult to properly collect and analyze information on the use of rest facilities. Although the road traffic information comprehensive processing system of Patent Document 1 is able to collect and analyze a part of information about a resting facility, the information is based on a user's questionnaire, and the user's positive There was a problem that accurate usage information could not be grasped without specific cooperation.

  As a method of collecting facility usage information, a method in which an attendant visually measures and records is widely used, but considering the labor of staffing and data collection, it is not possible to perform regular collection work. difficult. Moreover, in order to install a dedicated apparatus, there exists a problem that a great cost is required.

  Therefore, the present invention provides a highway rest facility usage situation analysis system that makes it possible to constantly collect the latest information on the use of rest facilities at low cost while using an existing ETC system. There is.

  The highway break facility usage situation analysis system according to the present invention includes a communication facility that communicates with an ETC on-board device, an information storage device that stores information received from the ETC on-board device by the communication facility, and a storage in the information storage device It is comprised with the arithmetic unit which performs the utilization information totaling process of a resting facility based on the information obtained. The communication facility includes a first antenna facility and a second antenna facility, receives vehicle information from the ETC on-board unit, and transmits it to the storage device together with a communication time. The first antenna facility is installed on the facility entrance line that branches off from the main line for normal traveling of the vehicle and leads the vehicle to a resting facility, or on the upstream side in the traveling direction of the main line from the branch point of the facility entrance line. The second antenna facility is installed on the downstream side in the traveling direction of the main line from a junction point between a facility exit line that leads the vehicle from the rest facility to the main line and the main line. The arithmetic device extracts a time of communication with the first antenna facility and a time of communication with the second antenna facility regarding the target vehicle specified from the vehicle information, and obtains a movement history of the target vehicle.

  As information obtained by communication with the ETC on-vehicle device, the on-vehicle device identification information (unique information unique to the on-vehicle device), the vehicle identification information (vehicle information set in the on-vehicle device), and the personal identification number (ETC card information) However, the vehicle information of the present invention only needs to include at least on-vehicle device identification information, and other information may be appropriately used when it can be acquired. In-vehicle device identification information can be obtained regardless of whether or not an IC card (ETC card) is inserted in the on-vehicle device, whereas vehicle identification information and personal identification number are stored in the IC card. It can be acquired only when the IC card is inserted in the vehicle-mounted device.

  With respect to the target vehicle, an interchange used for entering the expressway and a time when the interchange was used may be further extracted.

  The second antenna facility requests the ETC on-board device to confirm that the IC card is accommodated, and when the IC card is not accommodated and when the IC card has passed the toll gate. If not, a command for issuing a warning may be transmitted to the ETC on-vehicle device.

  The highway rest facility usage situation analysis system according to the present invention uses vehicle information received from an ETC on-board device and time information when the ETC on-board device communicates with a communication facility, and is a target vehicle identified from the vehicle information. The usage status of rest facilities can be analyzed from the movement history obtained for. In other words, since the conventional ETC system was intended to collect tolls, only information related to the passage of the interchange was collected. In the system of the present invention, at least the on-board unit identification is performed by the communication function of the ETC on-board unit. Information and, if available, vehicle identification information or personal identification number, the fact and time when a particular vehicle entered the facility entrance line, and the fact and time when the vehicle left the rest facility and entered the main line again Is collected as a movement history, it is possible to analyze whether or not the rest facility is used by calculating whether or not the user stays at the rest facility (whether it is not simply a walk-through) and when the stay is made.

  When the first antenna equipment is installed upstream from the branch point of the facility entrance line, the fact of communication with the first antenna equipment does not indicate that the vehicle has entered the resting facility. If the difference between the communication time with the first antenna facility and the communication time with the second antenna facility becomes extremely larger than that of other vehicles, it can be estimated that the rest facility is used. Therefore, the same analysis as when the first antenna facility is installed on the facility entrance line can be performed.

  In addition, the system of the present invention can be constructed without increasing the cost only by adding the first antenna facility and the second antenna facility using the information storage device and the arithmetic device of the existing ETC system. . In addition, since communication between the ETC on-board device and the communication facility is used, necessary information can be obtained constantly. Therefore, according to the highway break facility usage situation analysis system according to the present invention, it is possible to constantly collect the latest information on the use of the break facility at low cost while using the existing ETC system. .

  Furthermore, if the vehicle uses an ETC system, the interchange used to enter the expressway and the time when the interchange was used are always stored in the system, so the vehicle entered the facility entrance line. By using the information together with the fact and the time, it is possible to calculate the time interval and the distance interval from the time of entering the expressway until a break is taken. In addition, when there is a fact that it has entered the facility entrance line of a plurality of rest facilities, the time interval and the distance interval can be calculated based on the time information obtained for the rest facility.

  Furthermore, as the second antenna equipment, a request for confirmation that the IC card is accommodated is made to the ETC on-board unit, and when the IC card is not accommodated or there is no history that the IC card has passed through the toll gate. In this case, if the existing notification antenna that transmits a command to issue a warning is diverted to the ETC on-board unit, only the first antenna facility needs to be added, and further cost reduction can be achieved.

It is a block diagram which shows the structure of the Example of the highway break facility utilization condition analysis system which concerns on this invention. It is a top view of the service area which shows the position where the 1st antenna installation and 2nd antenna installation of the system are installed. It is a figure which shows typically the data processed in the system. It is a graph which shows the analysis result by the same system, and shows the time transition of rest facility use time. It is a graph which shows the analysis result by the system, and shows distribution of interchange which a rest facility user used for every day of the week.

  With reference to FIGS. 1-3, the Example of the highway break facility utilization condition analysis system which concerns on this invention is described. This system includes a communication facility 1 that communicates with an ETC on-vehicle device, an information storage device 2 that stores information received by the communication facility from the ETC on-vehicle device, and usage information on the rest facility 5 based on information stored in the information storage device. It is comprised with the arithmetic unit 3 which performs a total process. In addition, although the rest facility 5 of the expressway is installed in each of the upper and lower lines, the components of this system are the same in both facilities. The following description shall be common to each facility on the top and bottom lines.

  The communication facility 1 includes a first antenna facility 11 and a second antenna facility 12. These antenna facilities 11 and 12 include an antenna unit 13 that performs wireless communication with the ETC on-board unit, and a wireless control unit 14 that controls the wireless communication and communication with the lane server 31 described later.

  As shown in FIG. 2, the first antenna facility 11 is installed on a facility entrance line 6 (hereinafter referred to as “SA entrance ramp”) that branches from the main line 4 for normal traveling of the vehicle and leads the vehicle to the rest facility 5. On the other hand, the second antenna facility 12 is installed on the downstream side in the traveling direction of the main line from the junction 8 between the facility exit line 7 and the main line 4 that leads the vehicle from the rest facility 5 to the main line 4. The second antenna facility 12 can wirelessly communicate with all lanes of the main line 4. Although the ETC vehicle-mounted device that performs wireless communication with the antenna unit 13 is mounted on the vehicle 9 that travels on the highway, the illustration is omitted.

  A lane server 31 is installed in the rest facility 5. The lane server 31 temporarily stores the data transmitted from the communication facility 1 and is connected to an IF conversion device 32 installed at the nearest toll gate of the rest facility 5. Then, the data is transmitted to the central processing facility 30.

  The lane server 31 is connected to an ETC system monitoring control panel 33 installed at the toll gate. The monitoring control panel 33 controls and monitors the wireless control unit 14 and the lane server 31.

  The central processing facility 30 is a large computer capable of collecting information sent from the ETC system and performing processing necessary for toll collection, for example, data processing necessary for payment by a credit card company. And a large-capacity information storage device 2 and an arithmetic device 3 capable of high-speed processing. In this highway break facility utilization situation analysis system, the information storage device 2 and the arithmetic device 3 of the existing central processing facility 30 are used.

  The IF conversion device 32 converts the format of data transmitted from the lane server 31 into a format suitable for the central processing facility 30 and transmits it via a line. Since the firewall, router, and TA used in the above are well known, description thereof will be omitted. Further, since communication methods and communication facilities between other devices are also known, description thereof will be omitted.

  In the highway rest facility usage situation analysis system configured as described above, first, the first antenna facility 11 is connected to the antenna unit 13 with respect to the ETC on-board unit of the vehicle 9 that has entered the SA entrance ramp 6 in order to use the rest facility 5. A communication request is made via When the ETC on-board device responds to this communication request, the first antenna facility 11 receives the on-board device identification information from the ETC on-board device and, if it can be obtained, vehicle identification information (corresponding to the vehicle information of the present invention. In the example, it is assumed that both of these information can be acquired), and the vehicle information is transmitted to the lane server 31 together with the communication time. The lane server 31 stores the in-vehicle device identification information, the vehicle identification information, and the communication time in its own station, and transmits data to the central processing facility 30 via the IF conversion device 32. Note that the data transmitted from the lane server 31 is also given a device identification number (a number indicating the first antenna facility of the rest facility 5) that has performed wireless communication, as shown in FIG. In the central processing facility 30, data transmitted from the first antenna facility 11 is stored in the information storage device 2 as communication data 21. The vehicle identification information is registered together with information about the vehicle such as the type of the mounted vehicle when the ETC on-vehicle device is mounted, and the information is stored in the information storage device 2 as the vehicle information table 22. It is remembered. The device identification number is registered together with information about the device such as its installation point (for example, a kilometer post indicating the distance from the starting point of the highway) when the device is installed. Is stored as a device information table 23.

  The second antenna facility 12 makes a communication request via the antenna unit 13 to the ETC on-board unit of the vehicle 9 that has returned to the main line 4 from the rest facility 5 and resumed traveling. When the ETC on-board unit responds to this communication request, the second antenna facility 12 receives the on-board unit identification information and the vehicle identification information from the ETC on-board unit, as with the first antenna unit 11, and the on-board unit along with the communication time. The device identification information and the vehicle identification information are transmitted to the lane server 31. The lane server 31 stores the in-vehicle device identification information, the vehicle identification information, and the communication time in its own station, and transmits data to the central processing facility 30 via the IF conversion device 32. Here, as for the data transmitted from the lane server 31 as well as the data transmitted from the first antenna facility, the device identification number (the number indicating that it is the second antenna facility of the rest facility 5) that has performed wireless communication. Is granted. In the central processing facility 30, the data transmitted from the second antenna facility 12 is stored in the information storage device 2 as communication data. Since the second antenna facility 12 can wirelessly communicate in all the lanes of the main line 4 as described above, the vehicle-mounted device identification information and vehicle identification are also provided for vehicles that do not use the rest facility 5. Information is transmitted to the lane server 31 and the central processing facility 30.

  Tollgates constituting the ETC system are installed at the interchange of the expressway, and information obtained from the ETC onboard equipment in the ETC system is also collected in the central central processing facility 30. The information obtained from the ETC in-vehicle device by the toll gate side device includes a personal identification number necessary for settlement of the toll and a device identification number for identifying the interchange that has passed. The personal identification number is registered together with information related to the card user such as the user's name and credit card number when an ETC card (IC card dedicated to the ETC system) is issued. 2 stores such information as a personal information table 23. However, the personal information table 23 may be stored in another information storage device (not shown) owned by the credit card company. In that case, the information storage device 2 may query the other information storage device for necessary information and receive it from there.

  As shown in FIG. 3, in the communication data 21 collected in the centralized central processing facility 30 as described above, the device identification number, the vehicle-mounted device identification information, the vehicle identification information, and the communication time are associated with each other. Therefore, by using specific vehicle identification information as a target vehicle and using the vehicle identification information as a key and obtaining necessary information from the device information table 24, the time when the first antenna equipment 11 is communicated, and the second antenna equipment 12 It is possible to extract the time of communication with the vehicle, and it is possible to obtain the movement history of the target vehicle by rearranging the data in time series. Then, from the movement history, the presence / absence of use of the rest facility 5 and the staying time can be calculated. Further, if the interchange used for entering the expressway and the time when the interchange is used are extracted together, the continuous running time before using the rest facility 5 can be calculated.

  For example, in the case of the communication data 21 of FIG. 3, if the vehicle identification number 2345 is used as a key, the vehicle enters the highway at 0: 1 from the interchange of the device identification number BBB, and the first antenna facility 11 of the device identification number CCCA is installed. It can be known that it passed at 1:27 and passed through the second antenna equipment 12 having the device identification number CCCB at 2:10. In this case, it can be seen that the travel time until the vehicle identification information 2345 uses the rest facility 5 is 1 hour 26 minutes, and the use time of the rest facility 5 is about 40 minutes.

  Moreover, if the utilization time of the rest facility 5 is totaled about all the used vehicles, the average utilization time of the rest facility 5 can be known. An example of the statistical results is shown in FIG. In FIG. 4, the communication times are further tabulated according to time zones.

  Furthermore, the communication data 21 including the communication time with the first antenna facility 11 can be used for other statistical analysis regarding the rest facility 5. For example, first, if data including the device identification number of the first antenna facility 11 is extracted, and vehicle identification information obtained from the data is all used as a target vehicle and used as a data extraction key, a vehicle using the rest facility 5 is used. Can know the interchange used. An example of the statistical results is shown in FIG. In FIG. 5, the communication time is further tabulated by day of the week.

  Note that the vehicle identification information and the vehicle-mounted device identification information are the same for the purpose of specifying the target vehicle, and the vehicle-mounted device identification information may be used instead of the vehicle identification information in the above aggregation. However, when vehicle identification information can be used, referring to the vehicle information table 22, there is an advantage that the data can be aggregated for each vehicle type (two-wheeled vehicle, ordinary vehicle, large vehicle, etc.).

  As described above, according to this system, it is possible to constantly obtain the latest information on the rest facility 5 such as the time interval and distance interval from when entering the expressway to taking a break, or the staying time of the rest facility 5. it can. In addition, most of the other equipments of the first antenna equipment 11 and the second antenna equipment 12 use equipment of the existing ETC system, and can be constructed at low cost. In addition, when the communication equipment 1 is installed in a plurality of rest facilities, it becomes possible to calculate the travel time of the second antenna equipment 12, and when the rest facility 5 is not used, the travel speed during that time is grasped. There is also an advantage that it becomes possible.

  Request to confirm that the IC card is stored in the ETC on-board unit downstream from the junction 8 between the facility exit line 7 that leads the vehicle from the rest facility 5 to the main line 4 and the main line 4 in the traveling direction of the main line When the IC card is not accommodated, a notification antenna that transmits a command to issue a warning to the ETC in-vehicle device may be installed. In that case, the cost can be further reduced by diverting the existing notification antenna. Conversely, when the second antenna facility 12 is newly installed, it can be used as a notification antenna to prevent a stop trouble in the ETC lane due to an IC card insertion error at the toll gate exit.

DESCRIPTION OF SYMBOLS 1 Communication equipment 2 Information storage device 3 Arithmetic apparatus 4 Main line 5 Rest facility 6 Facility entrance line 7 Facility exit line 8 Junction point 9 Vehicle 11 First antenna facility 12 Second antenna facility 13 Antenna unit 14 Wireless control unit 21 Communication data 22 Vehicle Information table 23 Personal information table 24 Device information table 30 Central control facility 31 Lane server 32 IF converter 33 Monitoring control panel

Claims (3)

A communication facility that communicates with the ETC on-vehicle device, an information storage device that stores information received from the ETC on-vehicle device by the communication facility, and a usage information aggregation process for rest facilities based on information stored in the information storage device It consists of a computing device,
The communication facility includes a first antenna facility and a second antenna facility, receives vehicle information from the ETC on-board unit and transmits the vehicle information together with a communication time to the storage device,
The first antenna facility is installed on the upstream side in the traveling direction of the main line from a branch point of the facility entrance line that branches off from the main line for normal traveling of the vehicle and leads the vehicle to a resting facility, or the branch point of the facility entrance line, The second antenna equipment is installed on the downstream side in the traveling direction of the main line from the merging point of the main line with the facility exit line that leads the vehicle from the rest facility to the main line,
The arithmetic device extracts a time when communicating with the first antenna facility and a time when communicating with the second antenna facility with respect to the target vehicle specified from the vehicle information, and obtains a movement history of the target vehicle. A highway break facility usage analysis system.   The highway break facility utilization state analysis system according to claim 1, wherein an interchange used for entering the expressway and a time when the interchange is used are extracted with respect to the target vehicle. Said second antenna equipment, with respect to the ETC vehicle-mounted device, confirm request that I C card is housed, the history that has passed through the tollbooth inlet when and the IC card the IC card is not housed 3. If there is not, the highway break facility utilization state analysis system according to claim 1 or 2 , wherein a command for issuing a warning is transmitted to the ETC on-board unit.

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