Rail transit vehicle comprehensive control system

Abstract

The embodiment of the invention provides a rail transit vehicle comprehensive control system which comprises a first main control unit, a second main control unit, m + 2 comprehensive execution units and 2n comprehensive switch units, and the first main control unit, the first comprehensive switch unit to the nth comprehensive switch unit and the second main control unit are sequentially connected in series. The first main control unit, the (n + 1) th comprehensive switch unit to the 2n th comprehensive switch unit and the second main control unit are sequentially connected in series, and each comprehensive switch unit is connected with the corresponding comprehensive execution unit. The main control unit, the comprehensive execution unit and the comprehensive switch unit are combined to form a real-time control network, a high-performance computing network and a configuration management network, so that the reliability, the safety and the execution efficiency of the rail transit vehicle control system are effectively improved, and the whole life cycle cost and the maintenance difficulty of the vehicle control system are reduced.

Description

Technical Field

[0001] The present application relates to the field of integrated control technology, and in particular, to an integrated control system for rail transit vehicles. Background Art

[0002] The current rail transit vehicle control system mainly consists of network control system, traction control system, auxiliary control system, brake control system, passenger information system, door control system, air conditioning control system, intelligent operation and maintenance system, vehicle signal control system, etc. Each control system is independently set up, using different system architectures, maintenance interfaces and communication protocols, with different software architectures, complex maintenance and management, numerous functional interfaces between systems, and the interactive response between systems needs to be improved, making troubleshooting difficult. Summary of the invention

[0003] An embodiment of the present application provides a rail transit vehicle integrated control system.

[0004] In a first aspect of an embodiment of the present application, a rail transit vehicle integrated control system is provided, comprising a first main control unit, a second main control unit, m+2 integrated execution units and 2n integrated switch units, wherein:

[0005] The first main control unit, the first integrated switch unit to the nth integrated switch unit, and the second main control unit are connected in series in sequence, the first main control unit, the n+1th integrated switch unit to the 2nth integrated switch unit, and the second main control unit are connected in series in sequence, each integrated switch unit is connected to the corresponding integrated execution unit, the first main control unit and the second main control unit are both composed of a first power supply board, a second power supply board, a first CPU board, a second CPU board, a first GPU board, a first storage board, a first network board and a first backplane, each integrated execution unit is composed of a third power supply board, a fourth power supply board, a third CPU board, a fourth CPU board, a fifth CPU board, a second GPU board, a second storage board, a second network board, a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a second backplane,

[0006] A first board group, a second board group and a third board group are selected from all the boards in each main control unit and each integrated execution unit, and are respectively connected to the integrated switch unit to construct a real-time control network, a high-performance computing network and a configuration management network accordingly. The real-time control network is used to run the train real-time communication protocol and carry the control data and status data of the train; the high-performance computing network is used for distributed high-performance computing between the first main control unit, the second main control unit and the integrated execution unit; the configuration management network is used to carry the flexible deployment of the functional software of each first main control unit, the second main control unit and the integrated execution unit, and is responsible for the upgrade and maintenance of the board programs of each device, the transmission of the fault data and status data of each device, and the transmission of network mirror data.

[0007] In an optional embodiment of the present application, the first main control unit and the second main control unit are both responsible for the logical operations of the entire train, and for the operation processing of high-performance computing and graphics processing operations; the integrated execution unit is responsible for the integrated control and management of the functions of various subsystems of the local vehicles of the train; the integrated switch unit is responsible for the network management function of the main network, and provides virtual LAN management of the real-time control network, high-performance computing network, and configuration management network.

[0008] In an optional embodiment of the present application, in the first main control unit and the second main control unit, the first power supply board and the second power supply board are used to provide dual power supply for each board inside the main control unit, the first CPU board is used to realize the safety function of the whole vehicle, the second CPU board is responsible for the high-performance non-safety computing function of the whole vehicle, the first GPU board is responsible for image processing and large model calculations, the first storage board is responsible for data recording and fault storage, the first network board is responsible for communication management of each board inside the main control unit, the first network board, the first CPU board, the second CPU board, the first GPU board and the first storage board are interconnected through an internal bus, the first network board is connected to the configuration management network, the first CPU board is connected to the real-time control network respectively, the second CPU board, the first GPU board, the first storage board are connected to the high-performance computing network, and the backplane is responsible for internal power supply and data interconnection.

[0009] In an optional embodiment of the present application, in each integrated execution unit, the third CPU board is used to perform software deployment on the local functions of the vehicle, and communicate with the data input board, data output board, analog signal input board, and analog signal output board through the second network board to realize real-time acquisition of the data input board and the analog signal input board, and real-time output of the data output board and the analog signal output board. The third CPU board is connected to the real-time control network, the fourth CPU board is responsible for executing the functional safety software of the train, the fifth CPU board is used to select the high-performance computing requirements of the vehicle, the second GPU board is used to select the functional requirements, the fifth CPU board and the second GPU board communicate with the fifth CPU board and the second GPU board of other integrated execution units or the main control unit through the high-performance computing network, the second network board is responsible for the communication between the various boards inside the integrated execution unit, and is responsible for the communication with the configuration management network, the third CPU board is responsible for the general task processing of the intermediate vehicle, and the fifth CPU board is responsible for executing the functional safety software of the train.

[0010] In an optional embodiment of the present application, the real-time control network includes a first real-time control network and a second real-time control network. In the first real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit in the first integrated switch unit to the nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit,

[0011] In the second real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit in the n+1th integrated switch unit to the 2nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit.

[0012] In an optional embodiment of the present application, the first board group of each main control unit includes a first CPU board, and the first board group of each integrated execution unit includes a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a third CPU board, wherein each first CPU board is connected to the corresponding integrated switch unit, each third CPU board is connected to the corresponding integrated switch unit, and the data input board, data output board, analog signal input board, analog signal output board and communication expansion board are all connected to the third CPU board.

[0013] In an optional embodiment of the present application, in a high-performance computing network, the second board group of the first main control unit, the second board group of each integrated execution unit in the first integrated switch unit to the nth integrated switch unit, and the second board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the second board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

[0014] In an optional embodiment of the present application, the second board group of each main control unit includes a second CPU board, a first GPU board and a first storage board, and the second board group of each integrated execution unit includes a fifth CPU board, a second GPU board and a second storage board, wherein the second CPU board, the first GPU board and the first storage board are all connected to the corresponding integrated switch unit, and the fifth CPU board, the second GPU board and the second storage board are all connected to the corresponding integrated switch unit.

[0015] In an optional embodiment of the present application, in the configuration management network, the third board group of the first main control unit, the third board group of each integrated execution unit in the n+1th integrated switch unit to the 2nth integrated switch unit, and the third board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the third board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

[0016] In an optional embodiment of the present application, the third board group of each main control unit includes a first network board, and the third board group of each integrated execution unit includes a second network board, wherein the first network board and the second network board are both connected to the corresponding integrated switch unit, the first network board is connected to the first CPU board, the second CPU board, the first GPU board and the first storage board, and the second network board is connected to the third power supply board, the fourth power supply board, the third CPU board, the fourth CPU board, the fifth CPU board, the second GPU board, the second storage board, the data input board, the data output board, the analog signal input board, the analog signal output board, the communication expansion board and the second backplane.

[0017] The above technical solution provided by the embodiment of the present application has at least some or all of the following advantages compared with the prior art:

[0018] The rail transit vehicle integrated control system described in the embodiment of the present application includes a first main control unit, a second main control unit, m+2 integrated execution units and 2n integrated switch units, wherein the first main control unit, the first integrated switch unit to the nth integrated switch unit, and the second main control unit are connected in series in sequence, the first main control unit, the n+1th integrated switch unit to the 2nth integrated switch unit, and the second main control unit are connected in series in sequence, each integrated switch unit is connected to the corresponding integrated execution unit, the first main control unit and the second main control unit are both composed of a first power supply board, a second power supply board, a first CPU board, a second CPU board, a first GPU board, a first storage board, a first network board and a first backplane, each integrated execution unit is composed of a third power supply board, a fourth power supply board, a third CPU board, a fourth CPU board, a fifth CPU board, a second GPU board, a second storage board, a second network board, a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a second backplane, from each main control unit A first board group, a second board group and a third board group are selected from all the boards in each integrated execution unit, and are connected to the integrated switch unit respectively, and a real-time control network, a high-performance computing network and a configuration management network are constructed accordingly, wherein the real-time control network is used to run the train real-time communication protocol and carry the control data and status data of the train; the high-performance computing network is used for distributed high-performance computing between the first main control unit, the second main control unit and the integrated execution unit; the configuration management network is used to carry the flexible deployment of the functional software of each first main control unit, the second main control unit and the integrated execution unit, is responsible for the upgrade and maintenance of the board programs of each device, is responsible for the transmission of the fault data and status data of each device, and is responsible for the transmission of network mirror data. The real-time control network, the high-performance computing network and the configuration management network are formed by the combination of the three types of equipment, namely the main control unit, the integrated execution unit and the integrated switch unit, which effectively improves the reliability and safety of the rail transit vehicle control system and the execution efficiency, reduces the full life cycle cost and maintenance difficulty of the vehicle control system, and improves the intelligence level of the vehicle control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 A structural diagram of a rail transit vehicle integrated control system provided for one embodiment of the present application;

[0021] Figure 2 A structural diagram of a main control unit provided for one embodiment of the present application;

[0022] Figure 3A structural diagram of a comprehensive execution unit provided for one embodiment of the present application;

[0023] Figure 4 A structural diagram of a real-time control network provided for one embodiment of the present application;

[0024] Figure 5 A structural diagram of a high performance computing network provided for one embodiment of the present application;

[0025] Figure 6 A structural diagram of a configuration management network provided for one embodiment of the present application. DETAILED DESCRIPTION

[0026] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0027] See also Figure 1 The rail transit vehicle integrated control system provided in the embodiment of the present application includes a first main control unit (integrated main control unit A), a second main control unit (integrated main control unit B), m+2 integrated execution units (integrated execution unit A, integrated execution unit B, integrated execution units 1 to m) and 2n integrated switch units (integrated switch units A1 to An and B1 to Bn), wherein:

[0028] The first main control unit, the first integrated switch unit to the nth integrated switch unit, and the second main control unit are connected in series in sequence, the first main control unit, the n+1th integrated switch unit to the 2nth integrated switch unit, and the second main control unit are connected in series in sequence, each integrated switch unit is connected to the corresponding integrated execution unit, and the integrated main control units A and B are redundant at the head and tail. The integrated switches A1-An form a switch cluster of group A, and the integrated switches B1-Bn form a switch cluster of group B. The number and boards of the integrated execution units 1-m are flexibly configured according to the functional requirements of the vehicle subsystems of different models. The first main control unit and the second main control unit are both responsible for the logical operations of the entire train, and are responsible for the operation and processing of high-performance computing and graphics processing operations; the integrated execution unit is responsible for the integrated control and management of the functions of each subsystem of the local vehicle of the train; the integrated switch unit is responsible for the network management function of the main network, and provides virtual LAN management of the real-time control network, high-performance computing network, and configuration management network. The first board group, the second board group and the third board group are selected from all the boards in each main control unit and each integrated execution unit, and are connected to the integrated switch unit respectively, and the real-time control network, the high-performance computing network and the configuration management network are constructed accordingly, wherein the real-time control network is used to run the train real-time communication protocol and carry the control data and status data of the train; the high-performance computing network is used for distributed high-performance computing between the first main control unit, the second main control unit and the integrated execution unit; the configuration management network is used to carry the flexible deployment of the functional software of each first main control unit, the second main control unit and the integrated execution unit, and is responsible for the upgrade and maintenance of the board programs of each device, the transmission of the fault data and status data of each device, and the transmission of the network mirror data. The high-performance computing network is also used to carry the bandwidth between the high-performance CPU and GPU, and provide network services for the distributed high-performance computing and storage between the integrated main control unit CMU and the integrated execution unit CEU, supporting camera video data, PHM high-resolution sampling data, distributed computing data, etc. The high-performance computing network is divided by the integrated switch group A through VLAN. The configuration management network is the configuration management network of the entire train's integrated master control unit (CMU) and integrated execution unit (CEU), and the integrated switch group B is divided by VLAN.

[0029] The rail transit vehicle integrated control system proposed in this application is equipped with two real-time control networks, a high-performance computing network, and a configuration management network. The four network systems are independent of each other and divided through VLAN. Compared with traditional train on-board control systems, it can integrate the management of the train control system and the integrated maintenance of software upgrades of each board.

[0030] In an optional embodiment of the present application, among multiple carriages of a train, the first main control unit and the second main control unit are arranged in the first carriage and the last carriage (the i-th carriage), and in the second carriage to the i-1-th carriage, at least one integrated execution unit is arranged in each carriage.

[0031] See also Figure 2 The first main control unit and the second main control unit are both composed of a first power supply board (power supply board A), a second power supply board (power supply board B), a first CPU board (security CPU board), a second CPU board (high-performance CPU board), a first GPU board, a first storage board, a first network board and a first backplane. In an optional embodiment of the present application, in the first main control unit and the second main control unit, the first power supply board and the second power supply board are used to provide dual-way power supply for each board inside the main control unit. The power supply board A and the power supply board B respectively draw power from different power supplies to avoid systematic power loss caused by failure of a single power supply. The first CPU board is used to realize the safety functions of the whole vehicle, the second CPU board is responsible for the high-performance non-safety computing functions of the whole vehicle, the first GPU board is responsible for complex parallel operations such as image processing and large model operations, the first storage board is responsible for data recording and fault storage, the first network board is responsible for the communication management of each board inside the main control unit, the first network board, the first CPU board, the second CPU board, the first GPU board and the first storage board are interconnected through an internal bus, the first network board is connected to the configuration management network, the first CPU board is connected to the real-time control network respectively, the second CPU board, the first GPU board, the first storage board are connected to the high-performance computing network, and the backplane is responsible for internal power supply and data interconnection.

[0032] This application proposes a comprehensive main control unit (CMU), which is responsible for the main logic operation of the entire train, and the head and tail of the CMU are redundant. The CMU consists of a power supply board (PWR) A, a power supply board (PWR) B, a safety CPU board (SCPU), a high-performance CPU board (HCPU), a GPU board (GPU), a storage board (STR), a network board (NET), and a backplane (BB). Compared with traditional rail transit control systems, CMU has greatly improved the distributed deployment capabilities of the control software of the entire train and improved the distributed deployment capabilities of high-performance computing of the entire train.

[0033] See also Figure 3Each integrated execution unit is composed of a third power supply board (power supply board A), a fourth power supply board (power supply board B), a third CPU board (general CPU board), a fourth CPU board (safety CPU board) (optional), a fifth CPU board (high-performance CPU board) (optional), a second GPU board (optional), a second storage board (optional), a second network board, a data input board (DI board) (optional), a data output board (DO board) (optional), an analog signal input board (AI board) (optional), an analog signal output board (AO board) (optional), a communication expansion board and a second backplane. In each integrated execution unit, the third CPU board is used to control the local The third CPU board is connected to the real-time control network. The fourth CPU board is responsible for executing the functional safety software of the train. The fifth CPU board is used to select the high-performance computing requirements of the vehicle, such as providing high-performance computing support for predictive maintenance (PHM) of core components and passenger information service management. The second GPU board is used to select the functional requirements, such as providing high-performance computing support for camera video signal processing and large model computing. The fifth CPU board and the second GPU board communicate with the fifth CPU board and the second GPU board of other integrated execution units or main control units through the high-performance computing network. The second network board is responsible for the communication of each board in the integrated execution unit and the communication with the configuration management network. The third CPU board is responsible for the general task processing of the intermediate car, such as air conditioning, doors, lighting and other tasks. The fifth CPU board is responsible for executing the functional safety software of the train. The above boards constitute the vehicle distributed high-performance computing cluster. Among them, the high-performance CPU configuration board (HCPU) of the first main control unit and the second main control unit respectively installed in the front car and the rear car of the train is the main control board of the high-performance computing cluster, and the two main control boards are redundant. The storage board (STR) of CMU and CEU can flexibly store local and remote data and provide storage services for HCPU and GPU.

[0034] This application proposes a comprehensive execution unit (CEU), which is responsible for the local integrated management of the intermediate vehicle, and can realize the functional integration of the traditional rail transit RIOM, PHM host, doors, air conditioning, and lighting systems. Compared with the traditional rail transit vehicle-mounted control system, the integration level is greatly improved, the controller volume is greatly reduced, and the maintenance difficulty is reduced. CEU consists of power supply board A, power supply board B, universal CPU board (UCPU), safety CPU board (SCPU) (optional), high-performance CPU board (HCPU) (optional), GPU board (GPU) (optional), storage board (STR) (optional), network board (NET), DI board (optional), DO board (optional), AI board (optional), AO board (optional), communication expansion board (COM), backplane (BB). DI, DO, AI, AO, COM, HCPU, GPU, STR and other boards can be flexibly configured according to the control requirements of different vehicles.

[0035] The rail transit vehicle integrated control system of this application has a high-performance computing cluster, which is composed of multiple high-performance CPU boards (HCPU), GPU boards, and storage boards, and can carry out distributed high-performance parallel computing according to business needs. Compared with traditional train on-board control systems, its computing and processing capabilities have been greatly improved. Advanced applications such as PHM computing, video computing, and large model computing can be flexibly arranged on different HCPUs and GPUs, and distributed collaborative computing can be carried out between HCPUs and GPUs.

[0036] See also Figure 4The real-time control network includes a first real-time control network and a second real-time control network. In the first real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit from the first integrated switch unit to the nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit. In the second real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit from the n+1th integrated switch unit to the 2nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit. The first real-time control network and the second real-time control network are mutually redundant. When a serious fault occurs in the A group switch (or the B group switch), the system can communicate through the first real-time control network (or the second real-time control network) composed of the B group switch (or the A group switch). The high reliability of the train control network can be ensured. The first real-time control network is divided by the integrated switch group A through VLAN (virtual local area network), and the second real-time control network is divided by the integrated switch group B through VLAN.

[0037] The real-time control network of the present application is composed of two redundant links. The real-time control network connects the safety CPU board (SCPU) of the CMU of the head and tail cars and the universal CPU board (UCPU) of the CEU of the middle car, where the SCPU is responsible for running the functional safety software module and the UCPU is responsible for running the common functional software module. One CPU card can run multiple software modules. It simplifies the control architecture of the train, improves the utilization rate of the CPU, and enhances the maintainability of the software system.

[0038] In an optional embodiment of the present application, the first board group of each main control unit includes a first CPU board, and the first board group of each integrated execution unit includes a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a third CPU board, wherein each first CPU board is connected to the corresponding integrated switch unit, each third CPU board is connected to the corresponding integrated switch unit, and the data input board, data output board, analog signal input board, analog signal output board and communication expansion board are all connected to the third CPU board.

[0039] See also Figure 5In a high-performance computing network, the second board group of the first main control unit, the second board group of each integrated execution unit in the first integrated switch unit to the nth integrated switch unit, and the second board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the second board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

[0040] In an optional embodiment of the present application, the second board group of each main control unit includes a second CPU board, a first GPU board and a first storage board, and the second board group of each integrated execution unit includes a fifth CPU board, a second GPU board and a second storage board, wherein the second CPU board, the first GPU board and the first storage board are all connected to the corresponding integrated switch unit, and the fifth CPU board, the second GPU board and the second storage board are all connected to the corresponding integrated switch unit.

[0041] See also Figure 6 In the configuration management network, the third board group of the first main control unit, the third board group of each integrated execution unit in the n+1th integrated switch unit to the 2nth integrated switch unit, and the third board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the third board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

[0042] This application can realize the functions of software firmware update, functional software configuration, data observation, etc. of each board inside each CEU through the configuration management network. The maintenance terminal flexibly configures the software modules of the safety CPU board (SCPU) of each CMU and the universal CPU board (UCPU, network TCMS (Train Control and Management System, train operation control system) fault preprocessing, execution action calculation results, local logic execution, fast execution, door, air conditioning) of each CEU through the configuration management network.

[0043] The rail transit vehicle integrated control system of the present application has a configuration management network, and a maintenance terminal can be used to perform software upgrade maintenance and configuration, data observation, fault reading and other operations on the CMU and CEU boards of the entire train through the configuration management network. This greatly simplifies the maintenance work of the train on-board network control system and improves the work efficiency of maintenance personnel.

[0044] In an optional embodiment of the present application, the third board group of each main control unit includes a first network board, and the third board group of each integrated execution unit includes a second network board, wherein the first network board and the second network board are both connected to the corresponding integrated switch unit, the first network board is connected to the first CPU board, the second CPU board, the first GPU board and the first storage board, and the second network board is connected to the third power supply board, the fourth power supply board, the third CPU board, the fourth CPU board, the fifth CPU board, the second GPU board, the second storage board, the data input board, the data output board, the analog signal input board, the analog signal output board, the communication expansion board and the second backplane.

[0045] This application proposes a rail transit vehicle integrated control system, which can realize the functions of traditional rail transit network control system, door control system, PIS system, air conditioning system, and PHM system. It greatly simplifies the architecture and layout of the existing train on-board control system, reduces the number of equipment, and reduces the difficulty of maintaining the train on-board control system.

[0046] The rail transit vehicle integrated control system of the present application provides an integrated solution to the problems of independent settings of each control system on traditional rail transit vehicles, complex maintenance and management, numerous interfaces between subsystems, and difficult troubleshooting. The present invention is composed of a comprehensive main control unit (CMU), a comprehensive execution unit (CEU), and a comprehensive switch unit (CSU). The combination of 3 types of equipment forms 4 networks: the control backbone network red network and blue network, the high-performance computing network, and the configuration management network. Effectively improve the reliability and safety of the rail transit vehicle control system, improve the execution efficiency of the control system, reduce the full life cycle cost of the vehicle control system, reduce the maintenance difficulty of the rail transit vehicle control system, and improve the intelligence level of the vehicle control system.

[0047] This application proposes a vehicle-mounted high-performance computing cluster solution, which makes up for the shortcomings of the traditional vehicle-mounted control system's insufficient high-performance computing capabilities and unchanged expansion. The high-performance computing cluster can provide powerful computing and storage capabilities for application scenarios such as large model calculations and high-speed video processing.

[0048] The vehicle-mounted high-performance computing cluster and control network of this application support the characteristics of flexible deployment of software modules, multi-task collaborative processing, flexible hardware configuration, convenient system maintenance, simple architecture, etc. Different boards and software modules can be configured for different control scenarios, and the software functions of the control system can be flexibly defined, which has good adaptability to different scenarios. It greatly improves the difficulty of developing and maintaining the train control system.

[0049] This application has good scalability, reliability and security. It can meet the functions of flexible deployment of vehicle subsystem functions, function migration after failure, high-performance collaborative computing, local integrated software upgrade maintenance and fault analysis and troubleshooting, etc., improve the intelligence level of rail transit vehicle control system, effectively reduce the maintenance difficulty of vehicle control system, reduce the full life cycle cost of vehicle control system, and improve the overall reliability and safety of trains.

[0050] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0051] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A rail transit vehicle integrated control system, characterized in that: It includes a first main control unit, a second main control unit, m+2 integrated execution units and 2n integrated switch units, wherein: The first main control unit, the first integrated switch unit to the nth integrated switch unit, and the second main control unit are connected in series in sequence, the first main control unit, the n+1th integrated switch unit to the 2nth integrated switch unit, and the second main control unit are connected in series in sequence, each integrated switch unit is connected to the corresponding integrated execution unit, the first main control unit and the second main control unit are both composed of a first power supply board, a second power supply board, a first CPU board, a second CPU board, a first GPU board, a first storage board, a first network board and a first backplane, each integrated execution unit is composed of a third power supply board, a fourth power supply board, a third CPU board, a fourth CPU board, a fifth CPU board, a second GPU board, a second storage board, a second network board, a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a second backplane, A first board group, a second board group and a third board group are selected from all the boards in each main control unit and each integrated execution unit, and are respectively connected to the integrated switch unit to construct a real-time control network, a high-performance computing network and a configuration management network accordingly. The real-time control network is used to run the train real-time communication protocol and carry the control data and status data of the train; the high-performance computing network is used for distributed high-performance computing between the first main control unit, the second main control unit and the integrated execution unit; the configuration management network is used to carry the flexible deployment of the functional software of each first main control unit, the second main control unit and the integrated execution unit, and is responsible for the upgrade and maintenance of the board programs of each device, the transmission of the fault data and status data of each device, and the transmission of network mirror data.

2. The system according to claim 1, characterized in that The first main control unit and the second main control unit are both responsible for the logical operations of the entire train, and for the high-performance computing and graphics processing operations; the integrated execution unit is responsible for the integrated control and management of the functions of various subsystems of the local vehicles of the train; the integrated switch unit is responsible for the network management function of the main network, and provides virtual LAN management of the real-time control network, high-performance computing network, and configuration management network.

3. The system according to claim 1, characterized in that In the first main control unit and the second main control unit, the first power supply board and the second power supply board are used to provide dual power supply for each board inside the main control unit, the first CPU board is used to realize the safety function of the whole vehicle, the second CPU board is responsible for the high-performance non-safety computing function of the whole vehicle, the first GPU board is responsible for image processing and large model calculations, the first storage board is responsible for data recording and fault storage, the first network board is responsible for the communication management of each board inside the main control unit, the first network board, the first CPU board, the second CPU board, the first GPU board and the first storage board are interconnected through an internal bus, the first network board is connected to the configuration management network, the first CPU board is connected to the real-time control network respectively, the second CPU board, the first GPU board, the first storage board are connected to the high-performance computing network, and the backplane is responsible for internal power supply and data interconnection.

4. The system according to claim 1, characterized in that In each integrated execution unit, the third CPU board is used to deploy software for local vehicle functions, and communicate with the data input board, data output board, analog signal input board, and analog signal output board through the second network board to realize real-time acquisition of the data input board and the analog signal input board, and real-time output of the data output board and the analog signal output board. The third CPU board is connected to the real-time control network. The fourth CPU board is responsible for executing the functional safety software of the train. The fifth CPU board is used to select the high-performance computing requirements of the vehicle. The second GPU board is used to select the functional requirements. The fifth CPU board and the second GPU board communicate with the fifth CPU board and the second GPU board of other integrated execution units or the main control unit through the high-performance computing network. The second network board is responsible for the communication between the various boards inside the integrated execution unit, and is responsible for the communication with the configuration management network. The third CPU board is responsible for the general task processing of the intermediate vehicle, and the fifth CPU board is responsible for executing the functional safety software of the train.

5. The system according to claim 1, characterized in that The real-time control network includes a first real-time control network and a second real-time control network. In the first real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit in the first integrated switch unit to the nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit, In the second real-time control network, the first board group of the first main control unit, the first board group of each integrated execution unit in the n+1th integrated switch unit to the 2nth integrated switch unit, and the first board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the first board group of the corresponding integrated execution unit, wherein the target integrated switch unit is each integrated switch unit connected to the first main control unit and the second main control unit.

6. The system according to claim 1 or 5, characterized in that: The first board group of each main control unit includes a first CPU board, and the first board group of each integrated execution unit includes a data input board, a data output board, an analog signal input board, an analog signal output board, a communication expansion board and a third CPU board, wherein each first CPU board is connected to a corresponding integrated switch unit, each third CPU board is connected to a corresponding integrated switch unit, and the data input board, data output board, analog signal input board, analog signal output board and communication expansion board are all connected to the third CPU board.

7. The system according to claim 1, characterized in that In a high-performance computing network, the second board group of the first main control unit, the second board group of each integrated execution unit in the first integrated switch unit to the nth integrated switch unit, and the second board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the second board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

8. The system according to claim 1 or 7, characterized in that: The second board group of each main control unit includes a second CPU board, a first GPU board and a first storage board, and the second board group of each integrated execution unit includes a fifth CPU board, a second GPU board and a second storage board, wherein the second CPU board, the first GPU board and the first storage board are all connected to the corresponding integrated switch unit, and the fifth CPU board, the second GPU board and the second storage board are all connected to the corresponding integrated switch unit.

9. The system according to claim 1, characterized in that In the configuration management network, the third board group of the first main control unit, the third board group of each integrated execution unit in the n+1th integrated switch unit to the 2nth integrated switch unit, and the third board group of the second main control unit are connected in series in sequence, and each target integrated switch unit is connected to the third board group of the corresponding integrated execution unit, wherein the target integrated switch unit is an integrated switch unit other than the integrated switch units connected to the first main control unit and the second main control unit.

10. The system according to claim 1 or 9, characterized in that: The third board group of each main control unit includes a first network board, and the third board group of each integrated execution unit includes a second network board, wherein the first network board and the second network board are both connected to the corresponding integrated switch unit, the first network board is connected to the first CPU board, the second CPU board, the first GPU board and the first storage board, and the second network board is connected to the third power supply board, the fourth power supply board, the third CPU board, the fourth CPU board, the fifth CPU board, the second GPU board, the second storage board, the data input board, the data output board, the analog signal input board, the analog signal output board, the communication expansion board and the second backplane.

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