Vehicle-mounted signal system, signal processing method, device, storage medium and product

Abstract

The application provides a kind of vehicle-mounted signal system, signal processing method, equipment, storage medium and product, it is related to information processing technical field, including: main control board card, N train function board card and operation management module;Main control board card is communicated with N train function board card by internal communication bus, main control board card, N train function board card, operation management module are communicated by RS485 bus;Wherein, main control board card is used to generate application logic information, and application logic information is transmitted to corresponding each train function board card operation by internal communication bus;Wherein, train function board card is used to run according to application logic information;Wherein, operation management module is used to obtain application logic information from main control board card in real time by RS485 bus, and obtains operation log from N train function board card in real time, and operation log includes communication link data and electrical working state information recorded by train function board card in the process of running.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of information processing, and in particular to a vehicle-mounted signal system, a signal processing method, equipment, a storage medium and a product. BACKGROUND

[0002] With the continuous development of urban rail transit technology, urban rail transit has gradually integrated into people's daily life, and it is very important to ensure the policy operation of urban rail transit.

[0003] In the vehicle-mounted signal system of urban rail transit, the operation management module is responsible for recording all information of the entire operation cycle of the vehicle-mounted signal system, and is an important tool for monitoring the state of the vehicle-mounted equipment and analyzing system failures, which is of great significance to the safe, efficient and stable operation of the train.

[0004] However, in the related art, the operation management module usually only acquires and records the data of the logic module, which conforms to the operation of the application logic of the train (train automatic protection subsystem and train automatic operation subsystem) and interacts with the execution module.

[0005] However, only analyzing the data of the logic module may still miss a lot of risk data that affects the safe operation of the train, so how to more effectively collect the vehicle-mounted signal has become a problem to be solved in the industry. SUMMARY

[0006] The present application provides a vehicle-mounted signal system, a signal processing method, equipment, a storage medium and a product to solve the defect that only the data of the logic module is analyzed in the prior art, which may still miss a lot of risk data that affects the safe operation of the train.

[0007] The present application provides a vehicle-mounted signal system, comprising:

[0008] a main control board card, N train function board cards and an operation management module; the main control board card is in communication connection with the N train function board cards through an internal communication bus, and the main control board card, the N train function board cards and the operation management module are in communication connection through an RS485 bus;

[0009] The main control board card is configured to generate application logic information and transmit the application logic information to each corresponding train function board card for operation through the internal communication bus.

[0010] The train function board card is configured to operate according to the application logic information.

[0011] The operation management module is used to obtain application logic information from the main control board in real time via the RS485 bus, and to obtain operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0012] According to the present invention, an on-board signaling system includes a train function board comprising: a contactless signal acquisition sensor;

[0013] The contactless signal acquisition sensor is used to collect the current information of the input and output interfaces of the train function board and transmit the current information to the operation management module through the RS485 bus.

[0014] According to a vehicle-mounted signal system provided by the present invention, the operation management module is further configured to:

[0015] The operation logs and current information of the input / output interfaces of each of the vehicle-mounted signal systems are analyzed and verified.

[0016] If the current information corresponding to the vehicle signal system is zero and the operation log is not empty, it is determined that there is a hardware fault in the vehicle signal system.

[0017] Alternatively, if the current information corresponding to the vehicle signal system is not zero and the operation log is empty, it is determined that there is a hardware fault in the vehicle signal system.

[0018] According to a vehicle-mounted signal system provided by the present invention, the operation management module is further configured to:

[0019] While acquiring each of the aforementioned operation logs, a timestamp corresponding to each of the aforementioned operation logs is generated;

[0020] The runtime logs are stored in chronological order according to the timestamps.

[0021] According to a vehicle-mounted signal system provided by the present invention, the operation management module further includes: a network interface unit; the operation management module is further configured to:

[0022] The network interface unit receives a request from the user terminal to access the operation log for a preset time period.

[0023] Based on the timestamps corresponding to each of the aforementioned operation logs, determine the operation logs that fall within the preset time period;

[0024] The operation logs within the preset time period are encrypted and then sent to the user terminal through the network interface module.

[0025] The present invention also provides a signal processing method based on the vehicle-mounted signal system described in the first aspect above, comprising:

[0026] After generating application logic information, the main control board transmits the application logic information to the corresponding train function boards through the internal communication bus for operation.

[0027] The operation management module obtains application logic information from the main control board in real time via the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0028] According to a signal processing method provided by the present invention, the method further includes:

[0029] The operation logs of each of the on-board signal systems and the current information of the input and output interfaces of the train function boards are analyzed and verified.

[0030] If the current information corresponding to the vehicle signal system is zero and the operation log is not empty, it is determined that there is a hardware fault in the vehicle signal system.

[0031] Alternatively, if the current information corresponding to the vehicle signal system is not zero and the operation log is empty, it is determined that there is a hardware fault in the vehicle signal system.

[0032] The present invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the signal processing method described above.

[0033] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the signal processing method as described above.

[0034] The present invention also provides a computer program product, including a computer program that, when executed by a processor, implements the signal processing method as described above.

[0035] The vehicle-mounted signaling system, signal processing method, equipment, storage medium, and products provided by this invention include an operation management module that obtains application logic information in real time from the main control board via an RS485 bus and obtains operation logs in real time from N train function boards. These operation logs contain communication link data and electrical operating status information recorded by the train function boards during operation. The operation logs may contain a large amount of fault characteristic information. By obtaining the operation logs, the system can better perform risk and fault analysis, thereby ensuring the normal operation of the train system. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram of the vehicle signal system structure provided in an embodiment of this application;

[0038] Figure 2 This is a schematic diagram of the operation management module structure provided in an embodiment of this application;

[0039] Figure 3 This is a schematic flowchart of the signal processing method provided in the embodiments of this application;

[0040] Figure 4 This is a schematic diagram of the structure of the electronic device provided by the present invention. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0042] The hardware structure of an onboard signaling system in urban rail transit is divided into a logic module containing a main control board and an execution module containing N train function boards. The logic module is responsible for the calculation of application logic (train automatic protection subsystem and train automatic operation subsystem) and interacts with the execution module. The execution module, as the actuator of the logic module, contains several different types of train function boards and needs to output and acquire various types of signals. The stability and safety of the train function boards in the execution module directly determine the performance of the entire onboard signaling system.

[0043] In related technologies, onboard operation management modules mostly only record logic module data and vehicle-to-ground communication data, without fully monitoring and recording the actual operating status of the underlying hardware in the execution module. However, the input and output of onboard equipment, the data on each communication link, and the electrical operating status information of sensors during real-time train operation contain a large amount of fault characteristic information. This information is not effectively recorded in existing onboard signaling systems, making it difficult to quickly and accurately assign responsibility and pinpoint the fault location when a signaling system malfunctions. In addition, current train operation log data still relies on manual copying, which is inefficient, costly, and detrimental to the efficient maintenance of onboard equipment.

[0044] In the embodiments of this application, Figure 1 This is a schematic diagram of the vehicle signal system structure provided in the embodiments of this application, such as... Figure 1 As shown, it includes:

[0045] The system includes a main control board 11, N train function boards 12, and an operation management module 13. The main control board 11 is connected to the N train function boards 12 via an internal communication bus, and the main control board 11, the N train function boards 12, and the operation management module 13 are connected via an RS485 bus.

[0046] The main control board 11 is used to generate application logic information and transmit the application logic information to the corresponding train function boards through the internal communication bus for operation.

[0047] The train function board 12 is used to operate according to the application logic information;

[0048] The operation management module 13 is used to obtain application logic information from the main control board in real time via the RS485 bus, and to obtain operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0049] In this embodiment of the application, the main control board may be located in the logic module of the vehicle signaling system. The main board module may be responsible for the operation of application logic (train automatic protection subsystem and train automatic operation subsystem), used to generate application logic information, and to interact with the execution module.

[0050] In this embodiment, the application logic information can specifically be used to instruct the corresponding train function board to operate, thereby effectively ensuring the functional operation of the on-board information system.

[0051] In this embodiment, different application logic information is used to control different train function boards. Therefore, the application logic information of each train function board can be transmitted to each train function board for operation through the train communication bus.

[0052] In this embodiment, after receiving the application logic information, the train function board will run according to the application logic information. During the operation, each train function board will generate input and output data of the on-board equipment, data on each communication link, and electrical working status information of the sensors, etc. These data may contain fault characteristic information that may cause signal system failure. Therefore, in this embodiment, these operation logs can be recorded.

[0053] In this embodiment of the application, the operation log includes communication link data and electrical operating status information recorded by the train function board during operation.

[0054] Specifically, the operation management module is connected to the monitoring modules of each train function board and the main control board via an RS485 bus on the engine cage backplane. Each board's monitoring module can collect its own operation logs, power supply voltage, and temperature and humidity. The operation management module polls each board's monitoring module at regular intervals, collects the board's operation logs, power supply voltage, and temperature and humidity data, adds timestamps, and saves them in the operation management module's storage medium.

[0055] In this embodiment, the operation management module captures data from each communication interface by connecting to the Controller Area Network (CAN) bus, Multifunction Vehicle Bus (MVB) bus, Train Real-time Data Protocol (TRDP) bus, and Ethernet of the on-board signaling system. After adding timestamps, the data is recorded in the storage medium of the board for use in fault diagnosis or data analysis.

[0056] In this embodiment, the operation management module obtains application logic information from the main control board in real time via RS485 bus, and obtains operation logs from N train function boards in real time. The operation logs are communication link data and electrical working status information recorded by the train function boards during operation. The operation logs may contain a large amount of fault characteristic information. By obtaining the operation logs, the system can better perform risk and fault analysis, thereby ensuring the normal operation of the train system.

[0057] Optionally, the train function board includes: a contactless signal acquisition sensor;

[0058] The contactless signal acquisition sensor is used to collect the current information of the input and output interfaces of the train function board and transmit the current information to the operation management module through the RS485 bus.

[0059] Specifically, the contactless signal acquisition sensor in this application embodiment adopts fluxgate current isolation measurement technology, that is, it uses the saturation phenomenon of the magnetic core to realize the conversion of the measured magnetic field to the electric field. By detecting the magnitude of the induced electromotive force, the magnetic field strength generated by the measured current can be calculated, and then the measured current can be calculated.

[0060] In some alternative embodiments, the contactless signal acquisition sensor can be installed at the input / output interface of the train function board to measure its input / output current, add timestamps and record them in the storage medium, wherein each timestamp is a real-time clock to ensure the time accuracy of the data.

[0061] In this embodiment, the current information of the input / output interface of the train function board is transmitted to the operation management module through the RS485 bus, and the operation management module stores it according to the timestamp of each current information.

[0062] In this embodiment, the magnitude of the current information effectively reflects the operating status of each train function board. By using a wire carrying the current to be measured to pass through a sensor coil to generate an induced electromotive force (EMF), and measuring the magnitude of the induced EMF to obtain the magnitude of the electrical signal, a non-invasive electrical signal acquisition method is achieved. This non-contact current sensor method avoids electrical contact with the circuit being acquired, thus offering significant safety advantages. Furthermore, by acquiring and recording the input and output of the train function boards in real time using a non-contact method, cross-verification with the operation log can be performed to confirm whether a fault is a hardware circuit problem, enabling safer and more accurate detection.

[0063] Optionally, the operation management module is further configured to:

[0064] The operation logs of each of the train function boards and the current information of the input and output interfaces are analyzed and verified.

[0065] If the current information corresponding to the train function board is zero and the operation log is not empty, it is determined that the train function board has a hardware fault.

[0066] Alternatively, if the current information corresponding to the train function board is not zero and the operation log is empty, it is determined that the train function board has a hardware fault.

[0067] In this embodiment of the application, the operation logs of the on-board signal system and the current information of the input and output interfaces can be analyzed and verified to determine whether the train function board is operating normally.

[0068] In this embodiment of the application, if the current information corresponding to the train function board is zero, it indicates that the train function board is not running. If the operation log of the train function board can still be obtained at this time, it indicates that the train function board has a hardware failure.

[0069] In this embodiment of the application, if the current information corresponding to the train function board is not zero, it means that the train function board is running normally, and an operation log will inevitably be generated. If the operation log is empty, it is determined that the train function board has a hardware fault.

[0070] In this embodiment of the application, by analyzing and verifying the operation logs and current information of the input and output interfaces of the train function board, it is possible to effectively determine whether there is a hardware fault in the train function board, realize fault diagnosis, and thus effectively ensure the normal operation of the on-board signal system.

[0071] Optionally, the operation management module is further configured to:

[0072] While acquiring each of the aforementioned operation logs, a timestamp corresponding to each of the aforementioned operation logs is generated;

[0073] The runtime logs are stored in chronological order according to the timestamps.

[0074] In the embodiments of this application, Figure 2 This is a schematic diagram of the operation management module structure provided in the embodiments of this application, such as... Figure 2 As shown, the operation management module runs a central processing unit with a file system and has dual data storage (Secure Digital, SD) cards as redundant storage media. The front panel has a network interface, a Universal Serial Bus (USB) interface, a Type-C interface and LED indicators, and the rear panel has a connector for connecting to the back panel.

[0075] In this embodiment of the application, the operation management module can effectively record the generation time of each operation log through timestamps, thereby storing them more efficiently. Furthermore, when searching and retrieving logs later, the operation logs can be searched and located according to their generation time.

[0076] Optionally, the operation management module further includes: a network interface unit; the operation management module is also used for:

[0077] The network interface unit receives a request from the user terminal to access the operation log for a preset time period.

[0078] Based on the timestamps corresponding to each of the aforementioned operation logs, determine the operation logs that fall within the preset time period;

[0079] The operation logs within the preset time period are encrypted and then sent to the user terminal through the network interface module.

[0080] In this embodiment, if a user terminal wishes to view the operation logs for a specific time period, the user can select the specific time period through the client on the user terminal and send the read command to the operation management module. The operation management module selects the log data for the corresponding time period, encrypts it according to a specific algorithm, and remotely sends it to the user terminal via the User Datagram Protocol (UDP), facilitating the operation and maintenance personnel to read the operation data and logs.

[0081] In this embodiment, the train's wireless network can be accessed via a network interface to remotely copy operational data, thereby improving efficiency and reducing labor costs.

[0082] Figure 3 This is a schematic flowchart of the signal processing method provided in the embodiments of this application, such as... Figure 3 As shown, it includes:

[0083] Step 310: After generating the application logic information, the main control board transmits the application logic information to the corresponding train function boards through the internal communication bus for operation.

[0084] Step 320: The operation management module obtains application logic information from the main control board in real time through the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0085] In this embodiment of the application, the main control board may be located in the logic module of the vehicle signaling system. The main board module may be responsible for the operation of application logic (train automatic protection subsystem and train automatic operation subsystem), generating application logic information and interacting with the execution module.

[0086] In this embodiment, the application logic information can specifically be used to instruct the corresponding train function board to operate, thereby effectively ensuring the functional operation of the on-board information system.

[0087] In this embodiment, different application logic information is used to control different train function boards. Therefore, the application logic information of each train function board can be transmitted to each train function board for operation through the train communication bus.

[0088] In this embodiment, after receiving the application logic information, the train function board will run according to the application logic information. During the operation, each train function board will generate input and output data of the on-board equipment, data on each communication link, and electrical working status information of the sensors, etc. These data may contain fault characteristic information that may cause signal system failure. Therefore, in this embodiment, these operation logs can be recorded.

[0089] In this embodiment of the application, the operation log includes communication link data and electrical operating status information recorded by the train function board during operation.

[0090] Specifically, the operation management module is connected to the monitoring modules of each train function board and the main control board via an RS485 bus on the engine cage backplane. Each board's monitoring module can collect its own operation logs, power supply voltage, and temperature and humidity. The operation management module polls each board's monitoring module at regular intervals, collects the board's operation logs, power supply voltage, and temperature and humidity data, adds timestamps, and saves them in the operation management module's storage medium.

[0091] In this embodiment, the operation management module obtains application logic information from the main control board in real time via RS485 bus, and obtains operation logs from N train function boards in real time. The operation logs are communication link data and electrical working status information recorded by the train function boards during operation. The operation logs may contain a large amount of fault characteristic information. By obtaining the operation logs, the system can better perform risk and fault analysis, thereby ensuring the normal operation of the train system.

[0092] Optionally, the method further includes:

[0093] The operation logs of each of the on-board signal systems and the current information of the input and output interfaces of the train function boards are analyzed and verified.

[0094] If the current information corresponding to the vehicle signal system is zero and the operation log is not empty, it is determined that there is a hardware fault in the vehicle signal system.

[0095] Alternatively, if the current information corresponding to the vehicle signal system is not zero and the operation log is empty, it is determined that there is a hardware fault in the vehicle signal system.

[0096] In this embodiment of the application, the operation logs of the on-board signal system and the current information of the input and output interfaces can be analyzed and verified to determine whether the train function board is operating normally.

[0097] In this embodiment of the application, if the current information corresponding to the train function board is zero, it indicates that the train function board is not running. If the operation log of the train function board can still be obtained at this time, it indicates that the train function board has a hardware failure.

[0098] In this embodiment of the application, if the current information corresponding to the train function board is not zero, it means that the train function board is running normally, and an operation log will inevitably be generated. If the operation log is empty, it is determined that the train function board has a hardware fault.

[0099] In this embodiment of the application, by analyzing and verifying the operation logs and current information of the input and output interfaces of the train function board, it is possible to effectively determine whether there is a hardware fault in the train function board, realize fault diagnosis, and thus effectively ensure the normal operation of the on-board signal system.

[0100] Figure 4 This is a schematic diagram of the structure of the electronic device provided by the present invention, such as... Figure 4 As shown, the electronic device may include a processor 410, a communications interface 420, a memory 430, and a communication bus 440. The processor 410, communications interface 420, and memory 430 communicate with each other via the communication bus 440. The processor 410 can call logical instructions from the memory 430 to execute a signal processing method. This method includes: after generating application logic information, the main control board transmits the application logic information to the corresponding train function boards for execution via the internal communication bus.

[0101] The operation management module obtains application logic information from the main control board in real time via the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0102] Furthermore, the logical instructions in the aforementioned memory 430 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, essentially, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0103] On the other hand, the present invention also provides a computer program product, the computer program product including a computer program, the computer program being able to be stored on a non-transitory computer-readable storage medium, the computer program being executed by a processor, the computer being able to execute the signal processing methods provided by the above methods, the method including: after the main control board generates application logic information, the application logic information is transmitted to the corresponding train function boards for operation through the internal communication bus;

[0104] The operation management module obtains application logic information from the main control board in real time via the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0105] In another aspect, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to perform the signal processing methods provided by the above methods, the method comprising: after generating application logic information, the main control board transmits the application logic information to the corresponding train function boards for operation via the internal communication bus;

[0106] The operation management module obtains application logic information from the main control board in real time via the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation.

[0107] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0108] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0109] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vehicle-mounted signaling system, characterized in that, include: Main control board, N train function boards, and operation management module; The main control board is connected to the N train function boards via an internal communication bus, and the main control board, the N train function boards, and the operation management module are connected via an RS485 bus. The main control board is used to generate application logic information and transmit the application logic information to the corresponding train function boards through the internal communication bus for operation. The train function board is used to operate according to the application logic information; The operation management module is used to obtain application logic information from the main control board in real time via the RS485 bus, and to obtain operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation. The train function board includes: a contactless signal acquisition sensor; The contactless signal acquisition sensor is used to acquire the current information of the input and output interfaces of the train function board and transmit the current information to the operation management module through the RS485 bus. The operation management module is further configured to: The operation logs of each of the train function boards and the current information of the input and output interfaces are analyzed and verified. If the current information corresponding to the train function board is zero and the operation log is not empty, it is determined that the train function board has a hardware fault. Alternatively, if the current information corresponding to the train function board is not zero and the operation log is empty, it is determined that the train function board has a hardware fault.

2. The vehicle-mounted signaling system according to claim 1, characterized in that, The operation management module is also used for: While acquiring each of the aforementioned operation logs, a timestamp corresponding to each of the aforementioned operation logs is generated; The runtime logs are stored in chronological order according to the timestamps.

3. The vehicle-mounted signaling system according to claim 2, characterized in that, The operation management module further includes: a network interface unit; the operation management module is also used for: The network interface unit receives a request from the user terminal to access the operation log for a preset time period. Based on the timestamps corresponding to each of the aforementioned operation logs, determine the operation logs that fall within the preset time period; The operation logs within the preset time period are encrypted and then sent to the user terminal through the network interface unit.

4. A signal processing method based on the vehicle-mounted signal system according to claim 1, characterized in that, include: After generating application logic information, the main control board transmits the application logic information to the corresponding train function boards through the internal communication bus for operation. The operation management module obtains application logic information from the main control board in real time through the RS485 bus, and obtains operation logs from the N train function boards in real time. The operation logs include communication link data and electrical working status information recorded by the train function boards during operation. The train function board includes: a contactless signal acquisition sensor; The contactless signal acquisition sensor is used to acquire the current information of the input and output interfaces of the train function board and transmit the current information to the operation management module through the RS485 bus. The method further includes: The operation logs of each of the on-board signal systems and the current information of the input and output interfaces of the train function boards are analyzed and verified. If the current information corresponding to the vehicle signal system is zero and the operation log is not empty, it is determined that there is a hardware fault in the vehicle signal system. Alternatively, if the current information corresponding to the vehicle signal system is not zero and the operation log is empty, it is determined that there is a hardware fault in the vehicle signal system.

5. An electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the signal processing method as described in claim 4.

6. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the signal processing method as described in claim 4.

7. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by the processor, it implements the signal processing method as described in claim 4.

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