WO2023116360A1

WO2023116360A1 - Tacs and tbtc integrated signaling system and switching method thereof

Info

Publication number: WO2023116360A1
Application number: PCT/CN2022/134981
Authority: WO
Inventors: 陈绍文; 汪小勇; 徐烨; 张璇; 潘亮
Original assignee: 卡斯柯信号有限公司
Priority date: 2021-12-21
Filing date: 2022-11-29
Publication date: 2023-06-29
Also published as: EP4414242A1; CN114194260B; CN114194260A

Abstract

The present invention relates to a TACS and TBTC integrated signaling system and a switching method thereof. The system comprises a TACS system device, a TBTC system device, and a TACS and TBTC system interface. In the signaling system, the TACS system device and the TBTC system device are integrated, and the TACS and TBTC system interface is additionally provided, so as to achieve coexistence of signaling systems of two standards. Under a normal condition, a train runs under the control of a TACS system; and under a condition that the train is degraded, the system automatically identifies a device degraded state and switches a control mode to control by a TBTC system, the TBTC system opens signaling for train route setting, and the train travels under a driver's manual driving mode. Compared with the prior art, the present invention has the advantages of low reconstruction cost, good implementation effect and the like.

Description

A signal system and switching method for TACS and TBTC fusion

technical field

The invention relates to a rail transit signal system, in particular to a signal system combining TACS and TBTC and a switching method thereof.

Background technique

In the current rail transit signal system, there are quite a few subway lines that use the TBTC (Track Circuit Based train control) system, that is, the train control system based on the track circuit. Lines adopting this standard generally have a long operating life, basically exceeding the operating time of 15 years, and are about to face major renovations.

The transformation plan can be divided into: plan one, upgrade all signaling systems and decommission the existing TBTC system; plan two, keep the existing system and superimpose a new system on the existing system. The advantage of adopting the second solution is that it operates with the new system at ordinary times, and the old system can be used as a backup system in case of degradation of the new system. The disadvantage of option 1 is that the existing TBTC system will be completely abandoned. The disadvantage of option 2 is that two sets of on-board signaling systems need to coexist on the train, which increases the maintenance cost in the later period.

After retrieval, Chinese Patent Publication No. CN113320574A discloses a signal system fused with TACS and CTCS, which includes dispatching centralized system CTC or automatic train monitoring system ATS, centralized maintenance system CMSS, computer interlocking CI, Train Control Center TCC, Track Circuit, Temporary Restriction Server TSRS, Radio Blocking Center RBC, Object Controller OC, Trackside Resource Manager WSIC, Trackside Train Manager WSTC and on-board equipment; but this fusion system is not applicable to the TBTC standard system , CTCS and TBTC are two completely different signaling systems, so how to develop a TACS system that integrates with the TBTC system to realize a set of TACS vehicle-mounted systems that can operate in both TACS mode and TBTC mode, becoming Technical issues that need to be resolved.

Contents of the invention

The purpose of the present invention is to provide a signal system and a switching method for the integration of TACS and TBTC with low modification cost and good effect in order to overcome the above-mentioned defects in the prior art.

The purpose of the present invention can be achieved through the following technical solutions:

According to the first aspect of the present invention, a TACS and TBTC integrated signal system is provided, including TACS system equipment, TBTC system equipment, and TACS and TBTC system interface, and the described signal system integrates TACS system equipment and TBTC system equipment , and add TACS and TBTC system interfaces to realize the coexistence of two standard signal systems;

Under normal circumstances, the train runs under the control of the TACS system; when the train is degraded, the system automatically recognizes the degraded state of the equipment, and switches the control mode to TBTC system control, and the TBTC system arranges the route opening signal for the train, and the train Drive in the driver's manual driving mode.

As a preferred technical solution, the described TACS system equipment includes:

The central ATS is responsible for assigning driving tasks to trains in the TACS system;

The trackside resource manager is used for trackside resource management, receives the resource occupation and release requests sent by the train, and feeds back the resource lock status to the train;

The target controller is used to receive the wayside resource lock and release commands sent by the wayside resource manager, and perform output control;

The on-board equipment is responsible for applying for resources from the trackside resource manager in TACS mode.

As a preferred technical solution, the central ATS is used for the common use of the TACS system and the TBTC system, and when the system is downgraded to the TBTC system, the central ATS is responsible for sending the route alignment command to the trackside.

As a preferred technical solution, the vehicle-mounted equipment is used for the joint use of the TACS system and the TBTC system. When the system is downgraded to the TBTC system, the vehicle-mounted equipment is responsible for following the order of the trackside ATP.

As a preferred technical solution, the TBTC system equipment includes:

track circuit for detecting train occupancy and sending variable information to the train;

Trackside ATP, used to receive the track status sent from the interlock, and send the track status to the train;

Interlocking system for lining up routes and sending route status to wayside ATP.

As a preferred technical solution, the variable information includes the state of the switch signal, speed level, section length and slope information.

As a preferred technical solution, the track state includes state information of a switch, a signal machine and a track circuit.

As a preferred technical solution, the TACS and TBTC system interfaces include:

The interface between the trackside resource manager and the interlocking system is used to judge the control authority of the trackside resources;

The interface between the target controller and the interlocking system is used to realize the control of the wayside resources;

The target controller is interfaced with the track circuit to realize the information transmission of the occupation or clearing of the track section;

The on-board equipment and track circuit interface are used for trackside resource application and mode switching.

As a preferred technical solution, the concrete operations of the described wayside resource manager and the interlocking system interface are as follows:

Under normal circumstances, the wayside resource control is performed by the wayside resource manager WRC, and in the case of a failure of the wayside resource manager WRC, the interlocking system takes over the control right of the wayside resource.

As a preferred technical solution, the control right can also be set manually.

As a preferred technical solution, the specific operations of the interface between the target controller and the interlocking system are as follows:

In TACS mode, wayside resources are controlled by wayside resource manager and target controller; in TBTC mode, wayside resources are controlled by interlocking system and target controller.

As a preferred technical solution, the specific operations of the interface between the target controller and the track circuit are as follows:

The target controller takes the occupancy or clearance information of the track section sent by the track circuit, and sends the occupancy or clearance information to the interlocking system.

As a preferred technical solution, the specific operation of the interface between the vehicle-mounted equipment and the track circuit is as follows:

In TACS mode, actively apply for trackside resources; when the trackside resource manager fails, downgrade the train to TBTC mode.

According to a second aspect of the present invention, there is provided a switching method for the signal system fused with the TACS and TBTC, comprising the following steps:

Step S1, under normal circumstances, the train runs in TACS mode;

Step S2, the system monitors the running state of the trackside resource manager in real time to determine the control right of the trackside resource;

Step S3, when the trackside resource manager fails, the interlocking system obtains the control right of the trackside resource, and arranges the route for the train through the central ATS;

Step S4, assigning the control right of the trackside resources to the interlocking system in the TBTC system through manual authorization;

Step S5, the on-board equipment decides whether to run in TACS mode or TBTC mode according to the communication state with the trackside resource manager; after losing communication with the trackside resource manager or the control right of the trackside resource is manually forcibly assigned to the interlocking system Switch to TBTC mode;

Step S6, after the train mode conversion is completed, the train runs in the TBTC mode.

According to a third aspect of the present invention, an electronic device is provided, including a memory and a processor, the memory stores a computer program, and the processor implements the method when executing the program.

According to a fourth aspect of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, and when the program is executed by a processor, the method is implemented.

Compared with the prior art, the present invention has the following advantages:

1. The present invention deeply integrates the TACS mode and the TBTC mode, realizes the coexistence of the two signal systems on the same line, and can realize switching;

2. The present invention realizes that the trackside resources can be controlled by two systems through the conversion of control rights;

3. The present invention realizes that the train can run in two signal systems through the vehicle-mounted fusion track circuit interface;

4. The present invention provides a new solution for the transformation of old lines, and can superimpose the TACS system on the basis of retaining the existing TBTC signal system.

Description of drawings

Fig. 1 is the structural diagram of TACS and TBTC fusion of the present invention;

Fig. 2 is the schematic diagram of TACS and TBTC fusion system interface of the present invention;

Fig. 3 is a flow chart of the switching process between the TACS and TBTC systems of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1, a signal system integrating TACS and TBTC includes TACS system equipment, TBTC system equipment, and TACS and TBTC system interfaces. The signal system integrates TACS system equipment and TBTC system equipment, and adds TACS and TBTC system interface to realize the coexistence of two standard signal systems;

TACS system equipment includes:

The central ATS (shared with the TBTC system) is responsible for allocating driving tasks for trains in the TACS system. When downgraded to TBTC system, it is responsible for sending route alignment commands to the trackside.

The trackside resource manager is used for trackside resource management, receives the resource occupation and release requests sent by the train, and feeds back the resource lock status to the train.

The target controller is responsible for receiving the wayside resource lock and release commands sent by the wayside resource manager, and performing output control.

On-board equipment (shared with the TBTC system), responsible for applying for resources from the trackside resource manager in TACS mode. When downgraded to TBTC mode, it is responsible for following the command line of the trackside ATP.

TBTC system equipment includes:

Track circuit, which detects train occupancy and sends variable information to the train (switch signal status, speed class, section length, slope, etc.).

Wayside ATP, receives track status (switches, signals and track circuits) sent from the interlock, and sends track status to the train.

Interlocking system, queues routes and sends route status to wayside ATP.

After the integration of TACS system and TBTC system, the interface relationship between the two systems is shown in Figure 2 below, in which the following interfaces are added:

The wayside resource manager interfaces with the interlocking system and is used to judge the control authority of the wayside resources. Under normal circumstances, the wayside resources are controlled by the wayside resource manager WRC. In the case of a WRC failure, the interlocking takes over the control of the wayside resources. Control rights can also be set manually.

The target controller interfaces with the interlocking system, and the interlock does not directly interface with the wayside resources, but interfaces with the wayside resources through the target controller. In TACS mode, wayside resources are controlled by resource manager and target controller; in TBTC mode, wayside resources are controlled by interlock and target controller.

The target controller interfaces with the track circuit, the target controller takes the occupancy/clearance information of the track section sent by the track circuit, and sends the occupancy/clearance information to the interlock through.

On-board equipment and track circuit interface, in TACS mode, the train and trackside resource manager interface actively apply for trackside resources; when the trackside resource manager fails, the system can be downgraded to TBTC mode.

specific embodiment

In order to keep the existing TBTC signal system as a backup for the reconstruction of a quasi-mobile closed urban rail transit line, the TBTC superimposed TACS system is used for reconstruction. The completed driving mode is as follows:

1) Under normal circumstances, the train runs in TACS mode;

2) The trackside resource manager is faulty. At this time, the interlock can forcibly obtain the control right of the trackside resource, and the central dispatcher arranges the driving route in the faulty area for the train through the ATS;

3) After the vehicle and the trackside resource manager lose communication, the resource application command cannot be issued, and the train automatically switches to TBTC mode operation at this time;

4) After the train mode conversion is completed, the train can run in ATP driving mode in TBTC mode to ensure uninterrupted operation.

The above is the introduction about the system embodiment, and the solution of the present invention will be further described through the method embodiment below.

As shown in Fig. 3, a kind of switching method for the signaling system of TACS and TBTC fusion, comprises the following steps:

Step S1, under normal circumstances, the train runs in TACS mode;

In step S2, the system monitors the running state of the trackside resource manager in real time to determine the control right of the trackside resource; the control right of the trackside resource can also be assigned manually, see step S4;

Step S4, assigning the control right of the wayside resources to the interlocking system in the TBTC system through manual authorization; this situation can be implemented in the scenario where non-passing vehicles appear on the line.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the described modules can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

The electronic device of the present invention includes a central processing unit (CPU), which can execute various Appropriate action and handling. In RAM, various programs and data necessary for device operation can also be stored. The CPU, ROM, and RAM are connected to each other through a bus. Input/output (I/O) interfaces are also connected to the bus.

Multiple components in the device are connected to the I/O interface, including: input units, such as keyboards, mice, etc.; output units, such as various types of displays, speakers, etc.; storage units, such as magnetic disks, optical discs, etc.; and communication units, Such as network card, modem, wireless communication transceiver, etc. The communication unit allows the device to exchange information/data with other devices over a computer network such as the Internet and/or various telecommunication networks.

The processing unit executes various methods and processes described above, such as methods S1-S6. For example, in some embodiments, the methods S1-S6 may be implemented as computer software programs tangibly embodied in a machine-readable medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and/or installed on the device via a ROM and/or a communication unit. When the computer program is loaded into the RAM and executed by the CPU, one or more steps of the methods S1-S6 described above may be performed. Alternatively, in other embodiments, the CPU may be configured in any other appropriate way (for example, by means of firmware) to execute the methods S1-S6.

The functions described herein above may be performed at least in part by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), System on Chips (SOCs), Complex Programmable Logical device (CPLD) and so on.

Program codes for implementing the methods of the present invention may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general-purpose computer, a special purpose computer, or other programmable data processing devices, so that the program codes, when executed by the processor or controller, make the functions/functions specified in the flow diagrams and/or block diagrams Action is implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of the present invention, a machine-readable medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution system, apparatus, or device. A machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. More specific examples of machine-readable storage media would include one or more wire-based electrical connections, portable computer discs, hard drives, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, compact disk read only memory (CD-ROM), optical storage, magnetic storage, or any suitable combination of the foregoing.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of various equivalents within the technical scope disclosed in the present invention. Modifications or replacements shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

A signal system fused with TACS and TBTC, characterized in that it includes TACS system equipment, TBTC system equipment, and TACS and TBTC system interfaces, the signal system integrates TACS system equipment and TBTC system equipment, and adds TACS and TBTC system equipment TBTC system interface to realize the coexistence of two standard signal systems;

Under normal circumstances, the train runs under the control of the TACS system; when the train is degraded, the system automatically recognizes the degraded state of the equipment, and switches the control mode to TBTC system control, and the TBTC system arranges the route opening signal for the train, and the train Drive in the driver's manual driving mode.
The signal system of a kind of TACS and TBTC fusion according to claim 1, is characterized in that, described TACS system equipment comprises:

The central ATS is responsible for assigning driving tasks to trains in the TACS system;

The trackside resource manager is used for trackside resource management, receives the resource occupation and release requests sent by the train, and feeds back the resource lock status to the train;

The target controller is used to receive the wayside resource lock and release commands sent by the wayside resource manager, and perform output control;

The on-board equipment is responsible for applying for resources from the trackside resource manager in TACS mode.
A signal system fused with TACS and TBTC according to claim 2, characterized in that, the central ATS is used for the common use of the TACS system and the TBTC system, and when downgraded to the TBTC system, the central ATS is responsible for sending Wayside sends route alignment command.
A signal system fused with TACS and TBTC according to claim 2, characterized in that, the vehicle-mounted equipment is used for the joint use of the TACS system and the TBTC system, and when downgraded to the TBTC system, the vehicle-mounted equipment is responsible for Command train for trackside ATP.
The signal system of a kind of TACS and TBTC fusion according to claim 1, is characterized in that, described TBTC system equipment comprises:

track circuit for detecting train occupancy and sending variable information to the train;

Trackside ATP, used to receive the track status sent from the interlock, and send the track status to the train;

Interlocking system for lining up routes and sending route status to wayside ATP.
A signal system fused with TACS and TBTC according to claim 5, characterized in that said variable information includes switch signal machine status, speed grade, section length and slope information.
A signal system fused with TACS and TBTC according to claim 5, characterized in that said track state includes state information of a switch, a signal machine and a track circuit.
The signal system of a kind of TACS and TBTC fusion according to claim 1, is characterized in that, described TACS and TBTC system interface comprise:

The interface between the trackside resource manager and the interlocking system is used to judge the control authority of the trackside resources;

The interface between the target controller and the interlocking system is used to realize the control of the wayside resources;

The target controller is interfaced with the track circuit to realize the information transmission of the occupation or clearing of the track section;

The on-board equipment and track circuit interface are used for trackside resource application and mode switching.
The signal system of a kind of TACS and TBTC fusion according to claim 8, is characterized in that, the specific operation of described trackside resource manager and interlocking system interface is as follows:

Under normal circumstances, the wayside resource control is performed by the wayside resource manager WRC, and in the case of a failure of the wayside resource manager WRC, the interlocking system takes over the control right of the wayside resource.
A signal system fused with TACS and TBTC according to claim 9, characterized in that said control right can also be set manually.
A kind of TACS and TBTC fusion signal system according to claim 8, is characterized in that, the concrete operation of described target controller and interlocking system interface is as follows:

In TACS mode, wayside resources are controlled by wayside resource manager and target controller; in TBTC mode, wayside resources are controlled by interlocking system and target controller.
The signal system of a kind of TACS and TBTC fusion according to claim 8, is characterized in that, the concrete operation of described target controller and track circuit interface is as follows:

The target controller takes the occupancy or clearance information of the track section sent by the track circuit, and sends the occupancy or clearance information to the interlocking system.
The signal system of a kind of TACS and TBTC fusion according to claim 8, is characterized in that, the concrete operation of described vehicle-mounted equipment and track circuit interface is as follows:

In TACS mode, actively apply for trackside resources; when the trackside resource manager fails, downgrade the train to TBTC mode.
A switching method for the signal system of TACS and TBTC fusion described in claim 1, is characterized in that, comprises the following steps:

Step S1, under normal circumstances, the train runs in TACS mode;

Step S2, the system monitors the running state of the trackside resource manager in real time to determine the control right of the trackside resource;

Step S3, when the trackside resource manager fails, the interlocking system obtains the control right of the trackside resource, and arranges the route for the train through the central ATS;

Step S4, assigning the control right of the trackside resources to the interlocking system in the TBTC system through manual authorization;

Step S5, the on-board equipment decides whether to run in TACS mode or TBTC mode according to the communication state with the trackside resource manager; after losing communication with the trackside resource manager or the control right of the trackside resource is manually forcibly assigned to the interlocking system Switch to TBTC mode;

Step S6, after the train mode conversion is completed, the train runs in the TBTC mode.
An electronic device, comprising a memory and a processor, wherein a computer program is stored in the memory, wherein the method according to claim 14 is implemented when the processor executes the program.
A computer-readable storage medium on which a computer program is stored, wherein the program implements the method according to claim 14 when executed by a processor.