JP6839042B2 - Train management system and its control method and on-board equipment - Google Patents

Description

The present invention relates to a system for managing train operation, and more particularly to a system for signaling.

As a system for signaling, a train control system (CBTC) for urban transportation such as suburban trains, subways, and monorails is known. The system uses radio to transmit train location and control information between the train and ground equipment. Therefore, the train detection equipment on the ground becomes unnecessary, and the cost of equipment along the railway line such as cables and the maintenance cost can be reduced. Furthermore, it becomes possible to grasp the position information of trains in real time, dynamically maintain the minimum interval required for the safety of each train, and improve the transportation capacity in high-density operation.

As one of this type of signaling system, for example, Patent Document 1 is a signaling system in which the safety of a train traveling in a predetermined section is ensured based on a telegram, and the telegram is predetermined. It is configured to patrol the trains and equipment along the line existing in the section, and has block occupancy information that allows the occupancy of the train to be set for each of the blocks divided into a plurality of sections. The identification information of the trains to be patrolled and the equipment along the line is circulated between the trains in the constituent section having the member list information shown in the order of patrolling, the equipment along the line installed along the track in the section, etc. It discloses that it includes information on trains that occupy a certain area in the section.

Japanese Unexamined Patent Publication No. 2006-232106

On local trunk lines and off-road lines, it is often necessary to connect multiple trains and manage their operation, but the conventional signaling system has the problem that it cannot handle the operation management of the combined trains. ..

Therefore, an object of the present invention is to provide a system or the like that can stably manage the operation of a combined train while using a security telegram.

In order to solve such a problem, in the present invention, the first on-board device of the first train, the second on-board device of the second train, and the first train and the second train run. A first train, a second on-board device, and a second on-board device, which are provided with a traveling road security device, circulate the security message, and based on the security message, the first train. In the train management system that manages the operation of the second train, when the first train and the second train are combined, the first on-board device, the second on-board device, and Then, the security device includes a combination identification code that uniquely distinguishes the first train from the second train connected to the first train in the security message.

Further, in the present invention, in the control method of the train management system, the train management system controls the on-board device mounted on the train traveling on the traveling path divided into a plurality of sections and the entry of the train into the section. A security message is circulated between a circulation group consisting of at least one device of an on-board device and a security device in a section having a security device, and the security message is circulated to control the approach of a train. Member information having a member identification code that can uniquely identify a plurality of trains and a security device and a merging identification code that indicates a merging relationship of a plurality of trains, and a section occupied by a train referred to for controlling the approach of a train. In the case of a plurality of trains in which trains are combined with occupancy range information which is information, each of the plurality of trains has a member identification code, the occupancy range information is shared among circulation groups, and a security device is used. , The first step of obtaining the security message, and the second step of confirming by referring to the security message that the security device does not allow another train to enter within the predetermined range of the section in which the train travels. A step was provided.

Further, in the present invention, in the on-board device mounted on a train traveling on a traveling path divided into a plurality of sections, the entry of the train into the section is controlled by an instruction from the security device, and the on-board device in the section. And a security message for controlling the entry of trains is circulated among a circulation group consisting of at least one device of the device security device, and the security message can uniquely identify a plurality of trains and the security device. A train is provided with member information having a member identification code and a merge identification code indicating a merge relationship of a plurality of trains, and occupancy range information which is information on a section occupied by a train referred to for controlling the approach of a train. In the case of a plurality of combined trains, each of the plurality of trains has a member identification code, the occupied range information is shared among the circulation groups, a security message is obtained, and a predetermined range of the section in which the train travels is obtained. The entry of trains into the section was controlled according to the instructions sent from the security device, which was confirmed by referring to the security telegram to confirm that no other trains were entering the area.

According to the present invention, it is possible to provide a system or the like that can stably manage the operation of a combined train while using a security telegram.

It is a conceptual diagram which conceptually shows the whole structure of the signaling security system by this embodiment. It is a block diagram which shows the structure of the on-vehicle device and the rolling device security device by this embodiment. It is a conceptual diagram which shows the structure of the security telegram by this embodiment. It is a conceptual diagram provided for the explanation of the combined train information holding function by this embodiment. It is a conceptual diagram provided for the explanation of the combined train information holding function by this embodiment. It is a conceptual diagram provided for the explanation of the combined train information holding function by this embodiment. It is a sequence diagram which provides the explanation of the combined train information holding function by this embodiment. It is a flowchart which shows the processing procedure of the combined train information holding process by this embodiment. It is a conceptual diagram provided for the explanation of the combined train information holding function by another embodiment.

Conventionally, when a plurality of trains are combined and run as a combined train in train operation, an on-board device mounted on a train in front stores identification information of a train combined behind the train.

For example, when changing the direction of travel of a combined train or when dividing a combined train, when identification information of the trains connected behind is required, train management that manages the operation of the train by signaling. The system (hereinafter referred to as a signal security system) performs processing based on the identification information stored in the on-board device mounted on the train in front.

In such a conventional process, the on-board device mounted on the front train loses the identification information stored in the volatile memory. Therefore, when the combined train is berthed or an abnormality occurs in the combined train, the combined train is used. Cannot respond when the power of the power is turned off.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings. In the following, only the main configuration of the present invention is described, and for example, the description of the operation management device that transmits and receives telegrams and manages the operation of the combined train is omitted.

(1) Configuration of Signal Security System According to the Present Embodiment In FIG. 1, 1 indicates a signal security system according to the present embodiment as a whole. The signaling system 1 is composed of a security device (hereinafter, referred to as a rolling device security device) 11 and on-board devices 9 and 10 mounted on trains 7 and 8.

As shown in FIG. 2, the on-board devices 9 and 10 are composed of an on-board controller 15, a ground element reading device 16, and a wireless device 17. The on-board controller 15 is composed of a processor that controls the operation of the on-board devices 9 and 10 as a whole, and a semiconductor storage device that is used to hold various programs and necessary information such as security telegrams 20 and 50 described later. Various processes are performed by executing these various programs. For example, the on-board controller 15 determines whether or not the trains 7 and 8 are at a predetermined speed or less by executing a program that processes the ground element information read by the ground element reading device 16. Further, the wireless device 17 is a communication device used for transmitting and receiving security telegrams 20 and 50.

Further, the rolling device security device 11 is composed of a ground controller 18 and a wireless device 19. The ground controller 18 is composed of a processor that controls the operation of the entire tumbler security device 11 and a semiconductor storage device that is used to hold various programs and necessary information such as security telegrams 20 and 50 described later. .. Various processes are performed by executing these various programs. For example, the rolling device security device 11 controls the rolling device by executing a program. The wireless device 19 is a communication device used for transmitting and receiving security telegrams 20 and 50.

Trains 7 and 8 travel on a track divided into a plurality of sections 2 and 4. Sections 2 and 4 are divided into blocks 3, 5 and 6, which are more detailed divisions. Block 3 is assigned to section 2, and section 4 is divided into blocks 5 and 6. By operating the tumbler, the entry of trains 7 and 8 into sections 2 and 4 is controlled, and trains 7 and 8 are operated. Trains 7 and 8 are connected, and the respective sections 2 and 4 run as one. As a front train, the train 7 travels in front of the train 8 of the rear train connected behind the train 7.

In each of the sections 2 and 4, the security telegrams 20 and 50 for securing the tumbler are circulated in each circulation group. For example, in FIG. 1, in section 2, the on-board devices 9 and 10 are members for transmitting and receiving the security telegram 20 and form a circulation group.

Further, when the trains 7 and 8 enter the section 4 managed by the rolling device security device 11, the on-board devices 9 and 10 and the rolling device security device 11 use the circulation group as a member for transmitting and receiving the safety telegram 50. To construct.

Each member who constructs such a circulation group sends and receives the security telegram 50 in a predetermined circulation order at a predetermined cycle. For example, when the circulation order is the order of trains 7 and 8 and the rolling device security device 11, the security telegram 50 is first transmitted from the train 7 and received by the train 8. Next, the security telegram 50 is transmitted from the train 8 and received by the rolling device security device 11. Next, the security telegram 50 is transmitted from the rolling device security device 11, and the train 7 receives it. Then, the security telegram 50 is transmitted from the train 7 and received by the train 8, which is the next circulation.

As shown in FIG. 3, the security telegrams 20 and 50 include the occupancy range information tables 30 and 60 and the member information tables 40 and 70. Occupied range information tables 30 and 60 store occupied range information which is information of blocks 3, 5 and 6 occupied by trains 7 and 8. The member information tables 40 and 70 store attribute information of members such as trains 7 and 8 traveling in sections 2 and 4 and a rolling device security device 11 installed in sections 2 and 4, respectively. ..

The occupancy range information tables 30 and 60 are configured to include area columns 31, 61, block columns 32 and 62, and occupancy right columns 33 and 63. In the occupancy range information tables 30 and 60, one entry (one line) represents the occupancy information of one block.

The member information tables 40 and 70 are configured to include circulation order columns 41 and 71, member identification code columns 42 and 72, combined identification code columns 43 and 73, and circulation enable / disable columns 44 and 74. In the member information tables 40 and 70, one entry (one row) represents the attribute information of one member.

Section information such as section 2 (first area in FIG. 3) and section 4 (second area in FIG. 3) is stored in the area columns 31 and 61. Block information such as block 3 (first block in FIG. 3), block 5 (first block in FIG. 3), and block 6 (second block in FIG. 3) is stored in the block columns 32 and 62. .. The occupancy rights columns 33 and 63 store information on trains occupying blocks 3, 5 and 6, such as train 7 (first train in FIG. 3) and train 8 (second train in FIG. 3). ..

The circulation order columns 41 and 71 store the circulation order in which the members circulate the security telegrams 20 and 50. A member identification code for identifying a member is stored in the member identification code fields 42 and 72. In FIG. 3, member names of the rolling device security device, the first train, the second train, and the like are stored. The member identifier does not have to be a member name, and may be, for example, a symbol or a code that can uniquely identify a member.

The merged identification code columns 43 and 73 store the merged identification code indicating the merged relationship. For example, when the first train and the second train are combined, the combination identification code of the first train and the second train is set to "1", and the other member of the rolling device security device. The merged identification code is set to "0". By assigning the merged identification code in this way, the forward train can determine whether or not the trains are merged.

Circulation availability information, which is information on whether or not each member can circulate the security telegrams 20 and 50, is stored in the circulation availability columns 44 and 74. "Yes" or "No" is stored in the circulation availability information.

With the above configuration, the signaling security system 1 records the information of the train 8 connected to the train 7 in the security telegrams 20 and 50 by the train 7 which is the front train, and circulates the information in the circulation group. Has a function.

(2) Transition of the telegram content of the security telegram according to the train traveling position In order to realize such a consolidation relationship circulation function, the signaling security system 1 changes the telegram content of the security telegrams 20 and 50 according to the train traveling position. ..

FIGS. 4 and 5 show the transition of the telegram content of the security telegram 50 according to the traveling positions of the trains 7 and 8. (A) to (D) in FIG. 4 and (A) to (D) in FIG. 5 correspond to each other, and transitions are made in the order of (A) to (D).

First, as shown in FIG. 4A, train 8 is connected to train 7 in section 2. At the time of this merging, the on-board device 9 of the train 7 acquires the member identification code of the train 8. Specifically, the on-board device 9 refers to the occupancy range information table 30 of the received security message 20 to confirm the train 7 occupying the block 3, and then refers to the member information table 40 of the security message 20. Then, the train 8 which is the member name which is the next circulation order of the train 7 is acquired.

In the member information table 40 of the received security message 20, the on-board device 9 sets "1", which is the same as its own combined train identification code, in the combined identification code column 43 of the train 8 which is the acquired member name (FIG. 3). (See Security Telegraph 20). Then, the on-board device 9 transmits the security telegram 20 to the members in the next circulation order.

As shown in FIG. 5A, the rolling device security device 11 is stored in the member information table 70 as a member, and no member occupies blocks 5 and 6. Further, the security telegram 50 is circulated between the rolling device security device 11 and a member (not shown).

Next, as shown in FIG. 4 (B), the trains 7 and 8 approach the section 4 in a combined state, and the on-board device 9 of the train 7 which is the front train sends the additional request telegram 21 to the circulation group of the section 4. It is transmitted to the rolling device security device 11 which is a member of the above. In the additional request message 21, the member names of the moving bodies such as the first train and the second train are stored in order.

As shown in FIG. 5B, when the rolling device security device 11 receives the additional request message 21 from the on-board device 9 and receives the security message 50, the contents of the received additional request message 21 are displayed. Based on this, members (first train, second train) are added to the member information table 70 of the security telegram 50.

At the time of adding the member, the tumbling device security device 11 sets the combination identification code and the circulation availability information of the member to be added in the security message 50. The merged identification code is a value (“1”) that is not the value (“0”) used by the other member (rolling device security device 11). Since the rolling device security device 11 receives the additional request telegram 21 from the on-board device 9 of the train 7, the first train in the security telegram 50 can circulate the security telegram 50 so that the first train can circulate the security telegram 50. Set "OK" in the circulation availability information.

Next, as shown in FIG. 4C, the trains 7 and 8 travel in the section 2 toward the section 4 in a connected state. Since the on-board device 9 of the train 7 can circulate the security telegram 50, it receives the security telegram 50. As shown in FIG. 5C, when the security telegram 50 is received, the on-board device 9 sets the first train in the possession right column 63 of the first block of the security telegram 50. As a result, the first train acquires the possession right of the first block.

Next, as shown in FIG. 4 (D), the trains 7 and 8 are connected, and the train 7 first enters the section 4. Before entering the section 4, the on-board device 10 of the train 8 sends an additional request message 21 in which the member names of the moving objects such as the first train and the second train are stored in order to the members of the circulation group of the section 4. It is transmitted to the tumbler security device 11.

As shown in FIG. 5 (D), when the rolling gear security device 11 receives the additional request telegram 21 from the on-board device 10 and receives the security telegram 50 from the on-board device 10 of the train 8, the second In the security telegram 50, "OK" is set in the circulation availability information of the second train so that the second train can circulate the security telegram 50.

Next, using FIGS. 6A to 6D, when a berth or an abnormality occurs in the section 4 and the on-board devices 9 and 10 are turned off, and the trains 7 and 8 proceed. The case of changing the direction will be described. Trains 7 and 8 change their direction of travel as shown in FIG. 6 (A). Here, an example is taken in which the key for operating the master controller is removed from the train 7 and the on-board devices 9 and 10 are turned off.

As shown in FIG. 6B, when the on-board device 9 is turned off, the on-board device 9 is turned to set "impossible" in the circulation availability information of the first train in the security telegram 50. An instruction is transmitted to the device security device 11. Since the second train has the same combination identification code as the first train, the on-board device 9 is set to the rolling device security device 11 so as to set "impossible" in the circulation availability information of the second train. And send instructions.

After the power of the trains 7 and 8 and the on-board devices 9 and 10 is turned off, when the key for operating the master controller is attached to the train 8, the trains 7 and 8 and the on-board devices 9 and 10 are activated. As shown in FIG. 6C, the on-board device 10 transmits an additional request telegram 21 to the rolling device security device 11, and the rolling device security device 11 uses the rolling device security device 11 as information on whether or not the second train can be circulated. Set "OK".

As a result, the on-board device 10 participates in the circulation of the security telegram 50. When the on-board device 10 receives the security message 50, the on-board device 10 searches the member information table 70 of the security message 50 for a member to which the same combination identification code as that of the second train is set. When the on-board device 10 searches for a member to which the same combination identification code as that of the second train is set, the on-board device 10 recognizes the member as a member combined with itself.

Next, as shown in FIG. 6C, after this recognition, the on-board device 10 sets a second train in the possession right column of the first block of the security telegram 50 and occupies the second train. Get the right. Then, when the train 8 (second train) acquires the possession right of the block 5 (first block), the train 7 is towed.

Then, as shown in FIG. 6 (D), the on-board device 9 transmits an additional request telegram 21 to the rolling device security device 11, and the rolling device security device 11 can circulate the first train. Set "OK" to the information. As a result, the on-board device 9 participates in the circulation of the security telegram 50.

Next, with reference to FIG. 7, the flow of processing executed between the on-board devices 9 and 10 and the rolling device security device 11 is shown. First, the rolling device security device 11 transmits a security telegram 50 to the on-board device 9 (S1). Next, the on-board device 9 transmits a security telegram 50 to the on-board device 10 (S2). Then, the on-board device 10 transmits a security telegram 50 to the rolling device security device 11 (S3), and ends one cycle of circulation. In the circulation cycle of steps S1 to S3, the above-mentioned processing is performed at a predetermined timing.

(3) Combined Train Information Retention Process Next, the contents of the combined train information retention process executed by the on-board devices 9 and 10 will be described with reference to FIG. 8 in relation to the merge relationship circulation function. In practice, when trains 7 and 8 enter the sections 2 and 4 where the security telegrams 20 and 50 are circulated, the on-board controller 15 of the on-board devices 9 and 10 sends the security telegrams 20 and 50 in a predetermined cycle. Received from a member of the circulation group of (S11).

Subsequently, the on-board controller 15 confirms the contents of the security telegrams 20 and 50 (S12). In practice, the on-board controller 15 acquires the information of the members in the next circulation order and the information of the train occupying the block from the security telegrams 20 and 50. Subsequently, the on-board controller 15 changes the content of the security telegram (S13). In practice, the on-board controller 15 sets block occupancy information and member attribute information. Then, the on-board controller 15 transmits the security telegram to the member in the next circulation order within a predetermined cycle (S14), and ends the combined train information holding process.

(4) Effect of the present embodiment As described above, in the signal security system 1 of the present embodiment, the safety telegrams 20 and 50 circulated among the members in the sections 2 and 4 are combined with the trains 7 and 8. Information indicating the connection of trains 7 and 8 is shared among the members in sections 2 and 4.

Therefore, according to this signaling system 1, even if the on-board devices 9 and 10 are turned off, other members belonging to the section to which the on-board devices 9 and 10 belong hold the merged relationship information. Restoration work by humans is no longer required, and trains 7 and 8 can be operated stably.

(5) Other Embodiments In the above-described embodiment, the case where the tumbler security device 11 sets the information related to the merger in the security message 50 has been described, but the present invention is not limited to this. In addition, it can be widely applied to various signaling security systems.

Further, in the above-described embodiment, the case where the merged identification code is assigned to each member has been described, but the present invention is not limited to this, and the merged identification is performed with other information (for example, block information) in the security telegrams 20 and 50. It may be associated with a code.

Further, in the above-described embodiment, the trains 7 and 8 are constantly moving from the combination of the trains 7 and 8 to the entry of the train 7 into the section 4, and the train 7 is blocked when the trains 7 and 8 move. The case of acquiring the occupancy right of No. 5 has been described, but the present invention is not limited to this, and the trains 7 and 8 in FIGS. 7 may acquire the possession right of block 5.

Further, in the above-described embodiment, the case where the train 7 acquires the member name of the train 8 from the security telegram 20 when the trains 7 and 8 are combined has been described, but the present invention is not limited to this, and the trains 7 and 8 are combined. Occasionally, the train 7 may acquire the member name of the train 8 from the telegram between the operation management device and the train 7.

Further, in the above-described embodiment, the case where the data storage area of the member information table 40 is sufficient has been described, but the present invention is not limited to this, and the case where the data storage area of the member information table 40 is limited. May be applied.

In fact, in FIG. 4B, the trains 7 and 8 approach the section 4 in a combined state, and the on-board device 9 of the train 7 which is the front train sends the additional request telegram 21 to a member of the circulation group of the section 4. It is transmitted to the rolling device security device 11.

When the train device security device 11 receives the additional request message 21 from the on-board device 9 and receives the security message 50, the member information table of the security message 50 is based on the contents of the received additional request message 21. Attempts to add members (first train, second train) to 70. When adding these two members, as shown in FIG. 9, if there is only one member free in the member information table 70 and there is not enough free space, the tumbler security device 11 has a security telegram 50. The first train and the second train are not added as members to.

Therefore, since the on-board device 9 cannot participate in the circulation of the security telegram 50, the train 7 cannot acquire the possession right of the block 5, and the trains 7 and 8 cannot enter the section 4. In this way, by confirming whether the data storage area for the number of trains entering the section is available before the combined train enters the section, trains cannot move within the section after entering the section, and train operation is started. It is possible to prevent a great deal of trouble.

1 ... Signal security system, 2,4 ... Section, 3,5,6 ... Block, 7,8 ... Train, 9,10 ... On-board device, 11 ... Rolling device security device, 20 , 50 …… Security telegram.

Claims (8)

The first on-board device of the first train,
The second on-board device of the second train,
A security device for the traveling path on which the first train and the second train travel,
With
The first on-board device, the second on-board device, and the security device circulate the security message, and based on the security message, the first train and the second It is a train management system that manages the operation of trains in Japan.
When the first train and the second train are combined, the first on-board device, the second on-board device, and the security device are included in the security telegram. A combination identification code that uniquely distinguishes the first train from the second train connected to the first train is included .
The first on-board device included in the first train is
When the first train is merged with the second train
Enter the merged identification code in the security message and
The first on-board device includes a member identification code that uniquely identifies the first train, the second train, and the rolling device security device when participating in a circulation group that circulates the security message. The member identification code of the second train connected to the first train is transmitted to the second on-board device or the rolling device security device of the circulation group.
The second on-board device or the rolling device security device writes the received member identification code in the security message.
The security telegram is
The first on-board device, the second on-board device, and the tumbler security device are provided with circulation availability information for setting whether or not the security telegram can be circulated.
It is circulated to each of the first on-board device, the second on-board device, and the rolling device security device, which are set to be circulated in the circulation availability information.
A train management system characterized by that. The first on-board device, the second on-board device, and the rolling device security device of the circulation group are characterized in that the circulation possibility information is set when the member identification code is received. The train management system according to claim 1. The first on-vehicle device, the second on-vehicle device, and the number of the rolling device security devices that are members of the circulation group can be included in the circulation group. When the number of the on-board device of 2 and the above-mentioned rolling device security device exceeds the predetermined upper limit.
The first on-board device, the second on-board device, and the rolling device security device of the circulation group are
The train management system according to claim 2 , wherein when the member identification code is received, the member identification code is not entered in the security message. It is a control method of the train management system.
The train management system
On-board equipment mounted on trains traveling on roads divided into multiple sections,
It has a security device that controls the entry of the train into the section.
In the section, a security telegram for controlling the approach of the train is circulated among a circulation group composed of at least one or more devices of the on-board device and the security device.
The security telegram is
Member information having a member identification code that can uniquely identify a plurality of the trains and the security device, and a combination identification code that represents the combination relationship of the plurality of the trains.
It is provided with occupancy range information which is information on the section occupied by the train, which is referred to for controlling the approach of the train.
When the train is a plurality of the trains combined
Each of the plurality of trains has the member identification code, and the occupancy range information is shared among the circulation groups.
The first step in which the security device acquires the security telegram and transmits it to the on-board device, and
A control method for a train management system, wherein the on-board device includes a second step of acquiring the member identification code of another train connected to the own train from the security message. It is an on-board device mounted on a train that runs on a track divided into multiple sections.
The entry of the train into the section is controlled by the instruction from the security device.
In the section, a security telegram for controlling the approach of the train is circulated between a circulation group composed of the on-board device and at least one device of the security device.
The security telegram is
Member information having a member identification code that can uniquely identify the plurality of the trains and the security device, and a combination identification code that represents the combination relationship of the plurality of the trains.
It is provided with occupancy range information which is information on the section occupied by the train, which is referred to for controlling the approach of the train.
When the train is a plurality of the trains combined
Each of the plurality of trains has the member identification code, and the occupancy range information is shared among the circulation groups.
An on-board device characterized by acquiring the member identification code of another train connected to the own train from the security message. When your train is combined with another train
It is characterized in that the member identification code of the own train, the member identification code of the other train, and the combined identification code indicating whether or not the own train and the other train are combined are entered in the security message. The on-board device according to claim 5. When participating in the circulation group, the member identification code of the own train and the member identification code of another train connected to the own train are transmitted to the apparatus of the circulation group.
The on-board device according to claim 5 , wherein the device identifies the received member identification code in the security message. The security telegram is
Each of the above-mentioned devices is provided with circulation availability information for setting whether or not the security telegram can be circulated.
The on-board device according to claim 7 , wherein the device is circulated to each of the devices set to be circulated in the circulation availability information.

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