JP7788893B2 - Ground control device, train control system, route control method, and train control method - Google Patents

Description

This disclosure relates to ground control devices, on-board control devices, train control systems, route control methods, operation restriction methods, and train control methods that control train operations.

Conventionally, on-board control devices installed on trains measure the train's position and transmit this information to ground control devices, which then control the operation of each train based on the train position information for each train received from multiple trains. However, if communication between a train's on-board control device and ground control devices is interrupted, the train's position cannot be determined, and the ground control device will no longer be able to control the operation of the train with which communication has been interrupted, as well as subsequent trains.

In response to this problem, Patent Document 1 discloses a technology in which a train control device controls train operation by designating a section where radio communication has been interrupted as a fixed block section, adding the distance required for a train to stop to the end of the section, and setting a stopping limit position at the end of the fixed block section for trains entering the fixed block section.

International Publication No. 2014/097349

According to the above-mentioned conventional technology, ground control devices control train operations by acquiring information such as the route opening status based on point device switching and locking status via interlocking devices. During normal train operation control, ground control devices acquire train position information measured by the train itself. However, train position can also be determined from track circuit status information, including point devices, acquired from interlocking devices. However, train position measurement methods typically account for measurement errors and sometimes overestimate the train's actual position. Meanwhile, train position estimation based on track circuit status can reveal that a train is located on a specific block due to the lifting or falling of a track circuit. In other words, there can be a discrepancy between the train position measured by the train and the train position based on track circuit status information. Therefore, if the train position measured by the train indicates that the train is located on a track circuit with an unlocked point device, the ground control device may set a route that passes through the track circuit and includes the unlocked point device. In this case, if the point device's direction is reversed, there is a risk of the train derailing when backing up.

The present disclosure has been made in light of the above, and aims to provide a ground control device that can appropriately control train operation even when a discrepancy occurs between the train position measured by the train and the train position determined from interlocking information from the interlocking device.

To solve the above-mentioned problems and achieve the objectives, the ground control device disclosed herein is characterized by comprising: a first communication unit that receives interlocking information from an interlocking device, including information on the direction of the points that indicates the branching status of the points; a second communication unit that receives, via a wireless communication device, on-track information that indicates the train's track location from an on-board control device mounted on the train; and a control unit that, based on the interlocking information and on-track information, selects a train route and determines whether to set a reverse-prohibited flag that does not allow the train to reverse, generates route information including the train route and whether the reverse-prohibited flag is set, and controls transmission of this information from the second communication unit to the on-board control device via the wireless communication device.

This disclosure provides the advantage that a ground control device can appropriately control train operation even when a discrepancy occurs between the train position measured by the train and the train position determined from the interlocking information of the interlocking device.

FIG. 1 is a diagram showing a configuration example of a train control system according to a first embodiment; FIG. 1 is a diagram showing an example of information exchanged between devices in a train control system according to the first embodiment. FIG. 3 is a diagram showing routes, blocks, and track circuits on which trains to be controlled by the train control system according to the first embodiment run within the range shown in FIG. 2. FIG. 10 is a diagram showing a state in which the ground control device according to the first embodiment transmits route information with a no-backup flag set to the on-board control device. Flowchart showing the operation of the ground control device according to the first embodiment Flowchart showing the operation of the on-board control device according to the first embodiment FIG. 1 is a diagram showing an example of the configuration of a processing circuit in a case where the processing circuit of a ground control device according to the first embodiment is realized by a processor and a memory; FIG. 1 is a diagram showing an example of the configuration of a processing circuit in a case where the processing circuit of a ground control device according to the first embodiment is configured with dedicated hardware; Flowchart showing the operation of the ground control device according to the second embodiment

The following describes in detail, with reference to the drawings, the ground control device, on-board control device, train control system, route control method, operation restriction method, and train control method according to embodiments of the present disclosure.

Embodiment 1.
Fig. 1 is a diagram showing an example of the configuration of a train control system 600 according to the first embodiment. The train control system 600 includes an interlocking device 100, a ground control device 200, a wireless communication device 300, and an on-board control device 500 mounted on a train 400. In the example of Fig. 1, there is one of each device, but the train control system 600 may include two or more of each device. First, the exchange of information between the devices in the operation control of an actual train 400 will be described.

2 is a diagram showing an example of information exchanged between the devices in the train control system 600 according to embodiment 1. Note that in FIG. 2, the on-board control device 500 installed on the train 400 is omitted and only the train 400 is shown. Although the interlocking device 100 and the ground control device 200 actually control a wide range of routes along which the train 400 travels, for the sake of simplicity, the explanation will be limited to control within the range shown in FIG. 2. FIG. 3 is a diagram showing the route, blocks, and track circuits along which the train 400 travels, which are the subject of control within the range shown in FIG. 2 by the train control system 600 according to embodiment 1. For the sake of convenience in explaining the information exchanged between the devices, information such as blocks shown in FIG. 3 is omitted from FIG. 2. Note that, as indicated by the arrows on each route in FIGS. 2 and 3, the direction of travel of the train 400 is from left to right in FIGS. 2 and 3. The traffic lights shown in FIG. 3 indicate to the train 400 whether to proceed toward block B1003 or block B1005. Also, in Figure 3, the start point, position within the block, and end point refer to block B1001. A block is a unit on the route along which train 400 travels, and the location of train 400 can be confirmed by lifting or lowering the track circuit.

Before train 400 passes, interlocking device 100 opens and locks point 21 in the direction in which train 400 is traveling, and unlocks point 21 after detecting the passage of train 400 based on track circuit 21T. Interlocking device 100 transmits interlocking information to trackside control device 200, including information on the direction of point 21 that indicates the direction in which point 21 is open, i.e., the branch status of point 21. Information on the direction of point 21 that indicates the branch status of point 21 is information indicating whether point 21 is open in the direction of block B1003 or in the direction of block B1005. The interlocking information includes information indicating whether each track circuit is raised or lowered. In addition, in embodiment 1, the interlocking information includes information indicating whether point 21 is locked or unlocked.

The ground control device 200 receives interlocking information from the interlocking device 100. The ground control device 200 can determine the position of the train 400 from the information included in the interlocking information, which indicates whether each track circuit is raised or lowered. For example, if track circuit 21T is raised and the track circuit of block B1007 is lowered, the ground control device 200 can determine that the train 400 has passed block B1005 and is currently at block B1007.

The ground control device 200 also receives track location information indicating the track location of the train 400 measured by the train 400 from the on-board control device 500 mounted on the train 400 via the wireless communication device 300. One method for the train 400 to measure its position is to use a tachometer or other device to count the number of wheel rotations of the train 400 and determine the travel distance, but this method is expected to contain errors. Therefore, the train location of the train 400 included in the track location information is slightly larger in the forward and backward directions of the train 400's travel direction than its actual track location, as shown in Figure 2.

The ground control device 200 selects a route for the train 400 based on the interlocking information received from the interlocking device 100 and the track location information received from the on-board control device 500 of the train 400. Generally, the route that the train 400 will travel is prepared in advance by the railway company that operates the train 400, so the ground control device 200 selects from among the prepared route candidates. Here, as shown in Figure 2, the track location of the train 400 based on the interlocking information received from the interlocking device 100 falls within the range of the track circuit of block B1007, but the train location based on the track location information received from the on-board control device 500 is larger to take measurement error into account and therefore straddles the ranges of blocks B1005 and B1007.

When the ground control device 200 selects a route for train 400 based on the train's position based on the track location information received from the on-board control device 500, in the example of Figures 2 and 3, it selects route R1002, which includes blocks B1005 and B1007. However, because train 400 is passing through track circuit 21T, i.e., raised, the interlocking device 100 may have unlocked point 21. If point 21 is unlocked, the interlocking device 100 may change the opening direction of point 21 from block B1005 to block B1003. In such a case, if the ground control device 200 assigns route R1002 to train 400 without performing any special control, there is a possibility that train 400 will derail if the direction of point 21 is changed and train 400 reverses.

For this reason, in this embodiment, the ground control device 200 selects a route for the train 400 based on the interlocking information and track location information, and determines whether to set a reverse prohibition flag that does not allow the train 400 to reverse. As described above, in Embodiment 1, the interlocking information includes information indicating whether the point 21 is locked or unlocked. Therefore, if the track location information indicates that at least one of the blocks where the train 400 is located is a block that constitutes a track circuit 21T including a point 21, the ground control device 200 sets the reverse prohibition flag if the interlocking information includes information that the point 21 is unlocked in the direction of the point 21 that is the route when the train 400 reverses. The ground control device 200 generates route information including the route of the train 400 and whether the reverse prohibition flag is set, and transmits the generated route information to the on-board control device 500 of the train 400 via the wireless communication device 300.

The on-board control device 500 receives route information from the ground control device 200 via the wireless communication device 300. If a reverse prohibition flag that does not allow the train 400 to reverse is set in the route information, the on-board control device 500 controls the train 400 not to reverse when it receives an instruction from the driver of the train 400 to reverse the train 400.

Figure 4 shows how the ground control device 200 according to embodiment 1 transmits route information with the no-backup flag set to the on-board control device 500. As described above, the train position of train 400 based on the track location information spans block B1005 and block B1007. However, if train 400 does not back up, the operation of train 400 is not affected by whether the state of the point 21 of track circuit 21T that includes block B1005 is locked or unlocked. In this way, the ground control device 200 can appropriately control the operation of train 400 even if a discrepancy occurs between the train position measured by train 400 and the train position determined from the interlocking information of interlocking device 100.

The configuration and operation of each device that makes up the train control system 600 will be explained. As shown in Figure 1, the ground control device 200 includes a communication unit 210, a communication unit 220, and a control unit 230.

The communication unit 210 is a first communication unit that receives interlocking information from the interlocking device 100, including information on the direction of the point 21 that indicates the branching status of the point 21.

The communication unit 220 is a second communication unit that receives track location information indicating the track location of the train 400 from the on-board control unit 500 installed on the train 400 via the wireless communication unit 300. Note that if a single communication unit can perform the same communication as the communication units 210 and 220, the ground control unit 200 may perform communication using only one communication unit.

Based on the interlocking information and track location information, the control unit 230 selects a route for the train 400 and determines whether to set a reverse-prohibited flag that does not allow the train 400 to reverse. The control unit 230 generates route information including the route for the train 400 and whether the reverse-prohibited flag is set, and controls transmission of this information from the communication unit 220 to the on-board control device 500 via the wireless communication device 300.

As described above, in the first embodiment, the interlocking information transmitted from the interlocking device 100 includes information indicating whether the point 21 is locked or unlocked. In this case, if at least one of the blocks where the train 400 is located in the track location information is a block that constitutes a track circuit 21T including a point 21, the control unit 230 of the ground control device 200 sets a reverse-impossible flag if the interlocking information includes information that the point 21 is unlocked in the direction of the point 21 that is the route that the train 400 will take when it reverses. At least one of the blocks where the train 400 is located in the track location information is actually the block where the rear of the train 400 is located in the track location information, as shown in Figures 2 and 4.

As shown in Figure 1, the on-board control device 500 installed on the train 400 includes a communication unit 510 and a control unit 520.

The communication unit 510 transmits track location information indicating the track location of the train 400 via the wireless communication device 300 to the ground control device 200, which controls the operation of the train 400. The communication unit 510 also receives route information from the ground control device 200 via the wireless communication device 300.

When a reverse-prohibited flag that does not allow the train 400 to reverse is set in the route information, the control unit 520 controls the train 400 not to reverse when it receives an operation to reverse the train 400 from the driver of the train 400. Note that when a reverse-prohibited flag is set in the route information, the control unit 520 may notify the driver of the train 400 that reverse is not permitted. This allows the driver of the train 400 to understand that reverse is not permitted. The control unit 520 may notify the driver of the train 400 that reverse is not permitted by displaying the notification on the driver's cab (not shown) of the train 400, or by audio notification.

In the train control system 600, the operation of the interlocking device 100 is as described above. When the wireless communication device 300 receives track location information transmitted from the on-board control device 500 installed on the train 400, it outputs the track location information to the ground control device 200. In addition, the wireless communication device 300 transmits the route information acquired from the ground control device 200 to the on-board control device 500 installed on the train 400.

Figure 5 is a flowchart showing the operation of the ground control device 200 according to embodiment 1. In the ground control device 200, the communication unit 210 receives interlocking information from the interlocking device 100 (step S101). The communication unit 220 receives track location information from the on-board control device 500 mounted on the train 400 via the wireless communication device 300 (step S102). The control unit 230 selects a route for the train 400 based on the interlocking information and track location information (step S103). Based on the interlocking information and track location information, the control unit 230 determines whether the points on the track circuit corresponding to the track location block where the train 400 is located according to the track location information are unlocked (step S104).

If the points on the track circuit corresponding to the occupied block are unlocked (step S104: Yes), the control unit 230 sets the reverse prohibition flag (step S105) and generates route information indicating the selected route and that the reverse prohibition flag has been set (step S107). On the other hand, if the points on the track circuit corresponding to the occupied block are locked (step S104: No), the control unit 230 does not set the reverse prohibition flag (step S106) and generates route information indicating the selected route and that the reverse prohibition flag has not been set (step S107). The control unit 230 controls the communication unit 220 to transmit the route information. The communication unit 220 transmits the route information to the on-board control device 500 installed on the train 400 via the wireless communication device 300 (step S108).

Incidentally, although the point 21 is represented by a dot in Figure 4 and elsewhere, the tongue rail, which is the moving part of the point 21, actually has length, so blocks B1003, B1005, etc. include the moving part of the point 21. Therefore, if the railway company operating the train 400 has previously stored information on blocks that include moving parts of points in a database, the control unit 230 of the ground control device 200 may perform an operation in step S104 to determine whether the point corresponding to the moving part is unlocked if the track location information indicates that the track location block where the train 400 is located corresponds to a block that includes a moving part of a point.

Furthermore, in Figure 3 and other figures, route R1002 is defined as the route of train 400 that includes block B1007. However, if, for example, block B1005' (not shown) exists between block B1005 and block B1007, and a route starting from block B1005' is defined in advance in a database or the like by the railway company operating train 400, the control unit 230 of the ground control device 200 may select a route with blocks that include as few moving points as possible in step S103. By selecting a route that includes as few moving points as possible, the control unit 230 of the ground control device 200 can control the operation of train 400 without interfering with normal operations.

Figure 6 is a flowchart showing the operation of the on-board control device 500 according to the first embodiment. In the on-board control device 500, the communication unit 510 receives route information transmitted from the ground control device 200 via the wireless communication device 300 (step S201). The control unit 520 checks whether a reverse-prohibited flag is set in the route information (step S202). If the reverse-prohibited flag is set in the route information (step S202: Yes), the control unit 520 notifies the driver of the train 400 that reverse is not permitted (step S203). Furthermore, the control unit 520 does not reverse the train 400 in response to a reverse command from the driver of the train 400 (step S204). If the reverse-prohibited flag is not set in the route information (step S202: No), the control unit 520 performs normal control and therefore terminates the operation shown in Figure 6.

Next, the hardware configuration of the ground control device 200 according to embodiment 1 will be described. In the ground control device 200, the communication unit 210 is a communication device capable of communicating with the interlocking device 100. The communication unit 220 is a communication device capable of communicating with the wireless communication device 300. The control unit 230 is realized by a processing circuit. The processing circuit may be a memory that stores programs and a processor that executes the programs stored in the memory, or it may be dedicated hardware. The processing circuit is also called a control circuit.

7 is a diagram showing an example of the configuration of the processing circuit 90 of the ground control device 200 according to embodiment 1, when the processing circuit is realized by a processor 91 and a memory 92. The processing circuit 90 shown in FIG. 7 is a control circuit and includes a processor 91 and a memory 92. When the processing circuit 90 is configured with a processor 91 and a memory 92, each function of the processing circuit 90 is realized by software, firmware, or a combination of software and firmware. The software or firmware is written as a program and stored in the memory 92. The processing circuit 90 realizes each function by having the processor 91 read and execute the program stored in the memory 92. In other words, the processing circuit 90 includes a memory 92 for storing a program that results in the processing of the ground control device 200. This program can also be said to cause the ground control device 200 to execute each function realized by the processing circuit 90. This program may be provided by a storage medium on which the program is stored, or by other means such as a communication medium.

The above program can also be said to be a program that causes the trackside control device 200 to execute the following steps: a first step in which the communication unit 210 receives interlocking information from the interlocking device 100, including information on the direction of the point 21 that indicates the branching status of the point 21; a second step in which the communication unit 220 receives, via the wireless communication device 300, track location information that indicates the track location of the train 400 from the on-board control device 500 installed on the train 400; and a third step in which the control unit 230 selects a route for the train 400 based on the interlocking information and track location information and determines whether to set a reverse-prohibited flag that does not allow the train 400 to reverse, generates route information including the route for the train 400 and whether the reverse-prohibited flag is set, and controls transmission of this information from the communication unit 220 to the on-board control device 500 via the wireless communication device 300.

Here, the processor 91 may be, for example, a CPU (Central Processing Unit), processing device, arithmetic unit, microprocessor, microcomputer, or DSP (Digital Signal Processor). Furthermore, the memory 92 may be, for example, a non-volatile or volatile semiconductor memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), or EEPROM (Electrically EPROM), a magnetic disk, a flexible disk, an optical disk, a compact disk, a minidisk, or a DVD (Digital Versatile Disc).

Figure 8 is a diagram showing an example of the configuration of the processing circuit 93 of the ground control device 200 according to embodiment 1 when the processing circuit is configured with dedicated hardware. The processing circuit 93 shown in Figure 8 corresponds to, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a combination of these. The processing circuit 93 may be partially implemented with dedicated hardware and partially implemented with software or firmware. In this way, the processing circuit 93 can realize each of the above-mentioned functions using dedicated hardware, software, firmware, or a combination of these.

The hardware configuration of the ground control device 200 has been explained, but the on-board control device 500 has a similar hardware configuration. In the on-board control device 500, the communication unit 510 is a communication device capable of wireless communication with the wireless communication device 300. The control unit 520 is realized by a processing circuit. The processing circuit may be a memory that stores programs and a processor that executes the programs stored in the memory, or it may be dedicated hardware. The processing circuit is also called a control circuit.

As described above, according to this embodiment, in the train control system 600, the ground control device 200 receives interlocking information from the interlocking device 100, including information on the direction of the point 21, indicating the branching state of the point 21, and receives track location information, indicating the track location of the train 400, from the on-board control device 500 via the wireless communication device 300. Based on the interlocking information and track location information, the ground control device 200 selects a route for the train 400 and determines whether to set a reverse prohibition flag that does not allow the train 400 to reverse. The ground control device 200 generates route information including the route of the train 400 and whether the reverse prohibition flag is set, and transmits this information to the on-board control device 500 via the wireless communication device 300. The on-board control device 500 then receives the route information from the ground control device 200, and if the reverse prohibition flag is set in the route information, controls the train 400 not to reverse when it receives an instruction to reverse the train 400 from the driver of the train 400. As a result, even if a discrepancy occurs between the train position measured by the train 400 and the train position determined from the interlocking information of the interlocking device 100, the ground control device 200 can avoid situations such as derailment of the train 400 and appropriately control the operation of the train 400.

Embodiment 2.
In the first embodiment, the ground control device 200 judges whether the reverse-prohibited flag is set based on information indicating whether the point 21 is locked or unlocked, which is included in the interlocking information from the interlocking device 100. In the second embodiment, a case will be described in which the ground control device 200 judges whether the reverse-prohibited flag is set based on information indicating whether the track circuit 21T is raised or dropped, which is included in the interlocking information from the interlocking device 100.

In the second embodiment, the configurations of the train control system 600, ground control device 200, and on-board control device 500 are the same as those in the first embodiment shown in Figure 1. In the second embodiment, the interlocking information transmitted from the interlocking device 100 includes information indicating whether the track circuit 21T is raised or lowered. In this case, if at least one of the blocks where the train 400 is located in the track location information is a block that constitutes the track circuit 21T including the point 21, the control unit 230 of the ground control device 200 sets the reverse-prohibited flag when the interlocking information includes information that the track circuit 21T is raised. At least one of the blocks where the train 400 is located in the track location information is actually the block where the rear of the train 400 is located in the track location information, as shown in Figures 2 and 4.

Even if the interlocking information does not include information indicating whether the point 21 is locked or unlocked, which was included in the first embodiment, the control unit 230 can determine whether the train 400 is present on the track circuit 21T as long as the interlocking information includes information indicating whether the track circuit 21T is raised or lowered. In the second embodiment, it is the ground control device 200 that ultimately determines whether the train 400 is present on the track circuit 21T.

9 is a flowchart showing the operation of the ground control device 200 according to the second embodiment. In the flowchart shown in FIG. 9, the operations from step S101 to step S103 are the same as those in the flowchart for the first embodiment shown in FIG. 5. Based on the interlocking information and track location information, the control unit 230 determines whether the track circuit corresponding to the track location block, which indicates the block where the train 400 is located in the track location information, is raised (step S111). If the track circuit corresponding to the track location block is raised (step S111: Yes), the control unit 230 sets a reverse prohibition flag (step S105) and generates route information indicating the selected route and the reverse prohibition flag being set (step S107). On the other hand, if the track circuit corresponding to the track location block is lowered (step S111: No), the control unit 230 does not set the reverse prohibition flag (step S106) and generates route information indicating the selected route and the reverse prohibition flag being not set (step S107). The control unit 230 controls the communication unit 220 to transmit the route information. The communication unit 220 transmits the route information to the on-board control device 500 installed on the train 400 via the wireless communication device 300 (step S108).

Note that the operation of the on-board control device 500 after receiving route information from the ground control device 200 is the same as in embodiment 1. Therefore, a detailed explanation will be omitted.

As explained above, according to this embodiment, in the train control system 600, the ground control device 200 determines whether to set the reverse-prohibited flag using information included in the interlocking information indicating whether the track circuit 21T is raised or lowered. Even in this case, the ground control device 200 can achieve the same effect as in embodiment 1. Furthermore, the train control system 600 of embodiment 2 can be applied without replacing the interlocking device 100, even in systems where the existing interlocking device 100 does not include information on whether the point 21 is unlocked or locked, i.e., where only a small amount of interlocking information is transmitted to the ground control device 200.

The configurations shown in the above embodiments are merely examples, and may be combined with other known technologies, or different embodiments may be combined with each other. Parts of the configuration may also be omitted or modified without departing from the spirit of the invention.

100 Interlocking device, 200 Ground control device, 210, 220, 510 Communication unit, 230, 520 Control unit, 300 Wireless communication device, 400 Train, 500 On-board control device, 600 Train control system.

Claims (10)

a first communication unit that receives interlocking information from an interlocking device, the interlocking information including information on the direction of the point that indicates a branch state of the point;
a second communication unit that receives, via a wireless communication device, track location information indicating the track location of the train from an on-board control device mounted on the train;
a control unit that selects a route for the train based on the interlocking information and the track location information, and determines whether or not to set a reverse prohibition flag that does not allow the train to reverse, generates route information including the route of the train and whether or not the reverse prohibition flag is set, and controls the transmission of the route information from the second communication unit to the on-board control device via the wireless communication device;
A ground control device comprising: the interlocking information includes information indicating whether the point is locked or unlocked,
the control unit sets the reverse prohibition flag when the interlocking information includes information that the point is unlocked in the direction of the point that is a route along which the train will reverse, in a case where at least one of the blocks where the train is located in the track location information is a block that constitutes a track circuit including the point.
2. The ground control device according to claim 1 . The interlocking information includes information indicating whether the track circuit is raised or lowered,
the control unit sets the reverse-impossible flag when the interlocking information includes information that the track circuit is raised, in a case where at least one of the blocks where the train is located in the track location information is a block that constitutes the track circuit including the point.
2. The ground control device according to claim 1 . At least one of the blocks in which the train is located in the track location information is the block in which the rear of the train is located in the track location information.
4. The ground control device according to claim 2 or 3. A ground control device according to any one of claims 1 to 4;
an on-board control device mounted on a train, the on-board control device including: a communication unit that receives route information from the ground control device that controls operation of the train; and a control unit that, when a reverse prohibition flag that does not allow the train to reverse is set in the route information, controls the train not to reverse when an operation to reverse the train is received from the train driver ;
A train control system comprising: A route control method by a ground control device, comprising:
a first step in which a first communication unit receives interlocking information from an interlocking device, the interlocking information including information on the direction of the point indicating a branch state of the point;
a second step in which a second communication unit receives, via a wireless communication device, track location information indicating information on the track location of the train from an on-board control device mounted on the train;
a third step in which a control unit selects a route for the train based on the interlocking information and the track location information, determines whether or not to set a reverse prohibition flag that does not allow the train to reverse, generates route information including the train route and whether or not the reverse prohibition flag is set, and controls the second communication unit to transmit the route information to the on-board control device via the wireless communication device;
A routing control method comprising: the interlocking information includes information indicating whether the point is locked or unlocked,
In the third step, when at least one of the blocks where the train is located in the track location information is a block that constitutes a track circuit including the point, the control unit sets the reverse-impossible flag if the interlocking information includes information that the point is unlocked in the direction of the point that is a route along which the train will reverse.
7. The routing control method according to claim 6 . The interlocking information includes information indicating whether the track circuit is raised or lowered,
In the third step, the control unit sets the reverse-impossible flag when the interlocking information includes information that the track circuit is raised, in a case where at least one of the blocks where the train is located in the track location information is a block that constitutes the track circuit including the point.
7. The routing control method according to claim 6 . At least one of the blocks in which the train is located in the track location information is the block in which the rear of the train is located in the track location information.
9. The routing control method according to claim 7 or 8 . A train control method for a train control system including a ground control device that controls train operation and an on-board control device mounted on the train, comprising:
a first step in which the ground control device receives interlocking information including information on the direction of the point indicating a branch state of the point from an interlocking device;
a second step in which the ground control device receives, via a wireless communication device, track location information indicating information on the track location of the train from the on-board control device;
a third step in which the ground control device selects a route for the train based on the interlocking information and the track location information, determines whether or not to set a reverse prohibition flag that does not allow the train to reverse, generates route information including the train route and whether or not the reverse prohibition flag is set, and transmits the route information to the on-board control device via the wireless communication device;
a fourth step in which the on-board control device receives route information from the ground control device;
a fifth step in which, when the on-board control device receives an instruction to reverse the train from the driver of the train, the on-board control device controls the train not to reverse, if the reverse-prohibited flag is set in the route information;
A train control method comprising: