CN113885472A - Simulation test general platform for high-speed rail train control vehicle-mounted equipment - Google Patents
Simulation test general platform for high-speed rail train control vehicle-mounted equipment Download PDFInfo
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Abstract
The invention discloses a general simulation test platform for high-speed rail train control vehicle-mounted equipment, which can interactively modify a train control engineering data script file and a wireless message script file in a friendly way through a graphical interface during a test aiming at various complex scene tests of the vehicle-mounted equipment under normal or abnormal conditions, and quickly and efficiently realize the function test of the ATP (automatic train protection system) vehicle-mounted equipment. Meanwhile, a general simulation test platform of the high-speed rail train control equipment based on the micro-service architecture is adopted, so that the high availability, expandability and maintainability of the system are ensured.
Description
Technical Field
The invention relates to the technical field of high-speed train operation control systems, in particular to a general simulation test platform for high-speed train control vehicle-mounted equipment.
Background
The Chinese train operation control system (CTCS) is an important technical device of the railway in China, and is one of the core technologies for ensuring the safe, reliable and efficient train operation. Therefore, it is necessary to fully and comprehensively test and verify the system functions of the in-vehicle devices of the train control system.
Most of the existing train control simulation test systems adopt the traditional monomer architecture design, the code coupling is strong, the resource reusability and the service expansibility are low, and the effective management, integration and expansion of the existing simulation resources cannot be realized. In addition, compared with an enterprise service bus with a centralization characteristic used by an SOA (service oriented architecture), the micro-service architecture emphasizes a decentralized software organization architecture, each micro-service can be independently tested, deployed and operated, the change of a single service does not influence other services, the continuous deployment and maintenance are more convenient, the high reliability, the expandability and the maintainability of the system are realized, and at present, a vehicle-mounted equipment simulation test scheme using the micro-service architecture does not exist.
Disclosure of Invention
The invention aims to provide a general simulation test platform for high-speed rail train control vehicle-mounted equipment, which is realized based on a micro-service architecture and can quickly and efficiently simulate the cooperative work of a train control center, a wireless block center, a train dispatching centralized system and train control system vehicle-mounted equipment.
The purpose of the invention is realized by the following technical scheme:
a general platform for simulation test of high-speed rail train control vehicle-mounted equipment comprises: a presentation layer, a service gateway layer, a service layer, a physical layer and an access layer; wherein:
the presentation layer is used for setting the relevant information of the train or the relevant information of the train and the fault simulation information, and loading and checking a high-speed rail train control project data script file and/or a wireless message script file for information interaction between the train and the radio block center according to the test type; the system is also used for sending an application request to the service gateway layer;
the service gateway layer provides a service unified proxy entrance and call distribution and is used for distributing the application request to the service layer;
the service layer is used for realizing the monitoring management of the system through a micro-service architecture and providing public service and business processing service, extracting relevant data information from the two types of script files through the public service and storing the relevant data information into the entity layer, extracting relevant information of a train or the relevant information of the train and fault simulation information from an application request through the business processing service and storing the relevant information into the entity layer, and transferring the data information from the entity layer through the business processing service and transmitting the data information to the ATP vehicle-mounted equipment through the access layer after the data information is processed;
the physical layer is used for storing data information required by the platform and calling the data information by the service layer;
the access layer comprises a plurality of interfaces and is used for transmitting the data information processed by the service layer to ATP vehicle-mounted equipment.
According to the technical scheme provided by the invention, aiming at various complex scene tests of the vehicle-mounted equipment under normal or abnormal conditions, the train control project data script file and the wireless message script file are interactively modified in a friendly way through a graphical interface in the test, and the function test of the ATP (automatic train protection system) vehicle-mounted equipment is quickly and efficiently realized. Meanwhile, a general simulation test platform of the high-speed rail train control equipment based on the micro-service architecture is adopted, so that the high availability, expandability and maintainability of the system are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic diagram of a general simulation test platform for a high-speed train control vehicle-mounted device according to an embodiment of the present invention;
fig. 2 is a partial flowchart of a general simulation test platform for high-speed train control onboard equipment according to an embodiment of the present invention during testing.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The terms that may be used herein are first described as follows:
the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".
The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.
The general simulation test platform for the train-mounted equipment of the high-speed rail provided by the invention is described in detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art. Those not specifically mentioned in the examples of the present invention were carried out according to the conventional conditions in the art or conditions suggested by the manufacturer. The instruments used in the examples of the present invention are not indicated by manufacturers, and are all conventional products that can be obtained by commercial purchase.
As shown in fig. 1, a general platform for simulation test of train control vehicle-mounted equipment in a high-speed rail mainly includes: a presentation layer, a service gateway layer, a service layer, a physical layer and an access layer; wherein:
the presentation layer is used for setting the relevant information of the train or the relevant information of the train and the fault simulation information, and loading and checking a high-speed rail train control project data script file and/or a wireless message script file for information interaction between the train and the radio block center according to the test type; and is also used to send application requests to the service gateway layer. Specifically, the method comprises the following steps: the set information can be carried out according to the test requirement, and for the test under the normal condition, the fault simulation information does not need to be set; for testing under abnormal conditions, various fault simulation information can be set according to requirements. The script files which are loaded, verified and executed are also selected according to the test type, the two types of script files are required to be loaded for the C3 level test, otherwise, only the high-speed train control engineering data script file is required to be loaded.
The service gateway layer provides a service unified proxy entrance and call distribution, and is used for distributing the application request to the service layer.
The service layer is used for realizing monitoring management of the system through a micro service architecture and providing public service and business processing service, relevant data information extracted from two types of script files through the public service (specifically file service in the public service) is stored in the entity layer, relevant information (mainly comprising vehicle IO information and speed information) of a train or relevant information and fault simulation information of the train is extracted from an application request through the business processing service and stored in the entity layer, and the data information is called from the entity layer through the business processing service, processed and transmitted to ATP vehicle-mounted equipment through the access layer.
In the embodiment of the invention, service registration, service discovery, load balancing, service configuration, service monitoring and log management are realized through a service supervision and management sublayer of a service layer, the service sublayer of the service layer comprises core services of a system, new micro services can be added according to new changes of system requirements, the expansion of system service functions is facilitated, the expandability of the system is improved, granularity refinement can be carried out on complex service micro services, the complex service micro services are split into a plurality of micro services which are respectively developed and maintained, the maintainability of the system is improved, the service layer summarizes services which are unified in functions and can be reused in the system into a public service sublayer, and more convenient support is provided for the service sublayer.
The entity layer is used for storing data information required by the platform and calling the data information by the service layer (specifically, the service sublayer and the public service sublayer), and the related information is key information required by the platform, including vehicle IO information and speed information in the related information of the train, track circuit information, transponder information and wireless information in the script file, fault simulation information and the like.
The access layer comprises a plurality of interfaces and is used for transmitting the data information processed by the service layer to ATP vehicle-mounted equipment. Specifically, the method comprises the following steps: the access layer is accessed with the speed signal simulation device, the train IO interface simulation device, the track circuit signal simulation device, the transponder signal simulation device and the ISDN server to respectively simulate a train speed signal, a train IO signal, a track circuit signal, a transponder signal and a wireless message to realize information interaction with ATP vehicle-mounted equipment.
The main working process of the system platform can be described as follows: the method comprises the steps that a presentation layer client program sets related information of a train (fault simulation information can be set according to requirements), loads, checks and executes a high-speed railway train control engineering data script file and/or a wireless message script file of information interaction between the train and a wireless block center, an application request is sent to a service gateway layer, the service gateway reads the data request and acquires related service information from a service registration center, the request is distributed to a service layer, the service layer stores the related information set by the presentation layer client program and information extracted from the script file into a physical layer, related micro-services are called according to the request, corresponding business logic processing is carried out, related data information in the physical layer is accessed, related communication micro-services are called, and vehicle IO information, speed information, track circuit information, responder information and wireless messages are sent to ATP vehicle-mounted equipment through various interfaces of an access layer, and finally, returning the result of the request processing to the client for displaying.
In the function test of an ATP vehicle-mounted equipment system, the information of a line through which a train passes is simulated by loading, checking and executing a high-speed rail train control project data script file through a presentation layer; and loading, checking and executing the wireless messages of the wireless script file to simulate the wireless message interaction of the RBC (radio block center) and the ATP vehicle-mounted equipment. The system function processing of the ATP vehicle-mounted equipment under the abnormal condition is verified through fault injection simulation setting simulation train brake feedback fault, speed transmission fault, handle fault, track circuit carrier frequency low-frequency abnormal information and responder message abnormal information.
In order to more clearly show the technical solutions and the technical effects provided by the present invention, each part of the general platform for simulation test of train-mounted equipment for a high-speed rail provided by the embodiment of the present invention is described in detail with specific embodiments.
First, a presentation layer.
In the embodiment of the invention, the presentation layer, namely the human-computer interface layer provides a human-computer interaction interface, and the related information of the train and the fault injection simulation information are set and displayed through the program interface. And the data script file of the high-speed rail train control project and the wireless message script file for information interaction between the train and the wireless block center can be loaded, checked and executed.
In the embodiment of the invention, the information in the high-speed train control project data script file comprises the following information: train position, relative distance, line carrier frequency, line low frequency, transponder information, route information, track section name and track section length; the track section name, the track section length, the line carrier frequency and the line low-frequency information belong to track circuit information.
In the embodiment of the invention, the information in the wireless message script file for information interaction between the train and the wireless block center comprises the following information: train location, wireless message length, and wireless message content; the wireless message includes: the wireless message sent by the wireless block center and the wireless message received by the wireless block center; the wireless message received by the radio block center is the wireless message sent by the ATP vehicle-mounted equipment to the radio block center.
The train positions displayed in the two types of script files are real position information of the line, and are mainly convenient for a test user to know the specific running position of the train, a transponder passing by the test user, a track section, received wireless messages and the like; the relative distance is mainly used for the test user to know the actual line information including the relative distance of the track section, the relative distance between the track section and the transponder, and the like. Specific execution of the script file: and calculating the actual running mileage of the train according to the current speed and acceleration of the train and the train running time. And automatically executing the script file by matching the actual running mileage of the train with the position of the train in the script file. In the practical test application, the train position used in the subsequent service layer is the train actual operation mileage calculated according to the current speed and acceleration of the train and the train operation time.
In the embodiment of the invention, the relevant information of the train comprises the following information: train parameters, speed information and vehicle IO information; the train parameters comprise information such as train model, train length, wheel diameter value and gear number; the speed information includes: train speed and acceleration information; the vehicle IO information includes: the train braking system comprises a train direction handle position, a train traction handle position, a train brake handle position, a driving platform activation and dormancy information, a train braking feedback information, a train braking information, a passing split phase information and a passing split phase effective information.
As can be understood by those skilled in the art, according to the actual test requirement, a driver's cab activation or dormancy message must be set at the presentation floor first in the test to start the train. The passing neutral section information, the passing neutral section effective information and the train braking feedback information are information generated in the running process of the train, and when the train passes through a neutral section area, the passing neutral section information and the passing neutral section effective information are triggered to call the IO signal processing service of the train. And triggering train braking feedback information when the train is braked in operation, and calling train IO signal processing service.
In the embodiment of the present invention, the fault injection simulation information (i.e. the fault simulation information in fig. 1) includes: emergency brake feedback fault information, maximum service brake feedback fault information, handle state fault information, quick transmission fault information, track circuit carrier frequency low-frequency abnormal information and/or responder message abnormal information; the functional processing of the ATP vehicle-mounted equipment under the abnormal condition is tested by setting fault injection simulation information to simulate the faults of the vehicle IO, the fast transmission faults, the track circuit abnormal information and/or the responder message abnormal information. The specific information content contained in the fault injection simulation information can be set by a user according to actual requirements.
In addition, according to the random requirement of the test, the unexecuted high-speed rail train control project data script file and the wireless message script file can be modified through a human-computer interaction interface. For example, track circuit carrier frequency low-frequency information and responder information are changed in an unexecuted train control engineering data script file to simulate the change of ground track circuit information and responder information, then related services in a service layer are called through a service gateway, and finally the services are sent to ATP vehicle-mounted equipment through an access layer.
And II, a service gateway layer.
In the embodiment of the invention, a service gateway layer provides a service unified proxy entrance and calling distribution, the service gateway is an intermediary connecting a client and a background, has the functions of request access, service aggregation, intermediary strategy and unified management, and focuses on the service maintainability, the system throughput capacity and the client request access capacity of the system and realizes various strategies such as safety, verification, filtering, current limiting, monitoring and the like.
And thirdly, a service layer.
In the embodiment of the invention, the service layer is realized based on a micro-service architecture, the micro-service architecture is a software architecture emerging in recent years, and has the advantages of service, componentization, decentralization, independent deployment and the like. The micro-services are divided according to system services, and the system has the characteristics of high cohesion, high expansion and high autonomy, so that the system is easy to expand and maintain. The micro-service system is a distributed system in nature, and as new services of the system are increased, the existing service units can be further split, and new service units can be added according to new requirements, so that the expandability of the system is improved. In addition, compared with an enterprise service bus with a centralized characteristic used by an SOA (service oriented architecture), the micro-service architecture emphasizes a decentralized software organization architecture, each service registration node can provide service registration and discovery functions, the system does not need to maintain a highly available registration center, the risk of system paralysis caused by downtime of only one registration center is effectively avoided, each micro-service can be independently tested, deployed and operated, other services cannot be influenced by the change of a single service, the continuous deployment and maintenance are more convenient, and the high reliability, expandability and maintainability of the system are realized.
The service layer comprises: a service supervision and governance sublayer, a business service sublayer and a public service sublayer. Specifically, the method comprises the following steps:
1. and a service supervision and treatment sublayer.
In the embodiment of the invention, the service supervision and treatment sublayer is used for realizing service registration, service discovery, load balancing, service configuration, service monitoring and log management. Specifically, the method comprises the following steps:
1) the service registration uses decentralized service registration, comprises a plurality of service nodes, each service node can provide service registration and service discovery (including business services and public services) functions, a system platform does not need to maintain a highly available registration center, and the risk of system paralysis caused by downtime of only one registration center is effectively avoided. When a registry for registering a service fails, the registry for realizing the service registration function in each service node has the functions of a service end and a client, so that the service registration function can be provided for the registries of other service nodes, the registries of other service nodes can be registered, and the registries are mutually equipped.
2) Service discovery, which is a core and basic component in a micro-service architecture, provides a precondition for mutual identification of services, and provides a specific network location of a service instance (i.e., a single service, which may be a business service or a public service) for other services to call.
3) And load balancing is carried out, so that the number of objects processed by related services in the service layer is balanced. Specifically, the method comprises the following steps: through a standard interface, the specific component is responsible for load balancing. The method and the system distribute a plurality of requests of the same micro service to a specific instance of the micro service for processing, thereby ensuring that the number of the requests processed by each instance of the same micro service is approximately consistent, and improving the execution efficiency of the service. Here, the micro service includes a micro service in a single processing service in a business service and a micro service of a communication service (TCP/IP communication micro service, serial communication micro service, etc.) in a common service.
4) And service configuration, wherein in the micro-service framework, the service configuration manages the configuration of all micro-services by a configuration center. The method completely separates application configuration from application deployment. Centralized management, dynamic adjustment and automatic updating of parameters required by running of various services in a distributed environment are realized.
5) And the service monitoring is used for monitoring the service states when the platform runs. The method mainly aims to observe the performance of infrastructure, micro-service and the like during the operation of the system, provide micro-service state and call link monitoring, and facilitate users to carry out the optimization and daily operation and maintenance of system performance parameters according to the micro-service state and the execution condition.
6) And log management, which is used for recording various log data during the operation of the platform, can perform fault processing by calling the log data when a fault occurs, and can quickly eliminate errors after the fault occurs. The log management comprises the following steps: debugging, warning, errors and exceptions, improve the maintainability of the system.
2. And a service sub-layer.
In the embodiment of the invention, the service sublayer is used for realizing core service functions of the platform, including vehicle input signal processing service, vehicle output signal processing service, speed signal processing service, track circuit signal processing service, transponder signal processing service, wireless message processing service and fault information processing service.
In the embodiment of the present invention, each processing service includes: adapting microservices, processing microservices and communication microservices; the adaptation micro service realizes protocol format conversion of data information, the processing micro service realizes processing of the data information after the protocol format conversion, and the communication micro service realizes transmission of the processed data information. Illustratively, the track circuit signal processing services include a track circuit signal adaptation microservice, a track circuit signal processing microservice, a track circuit signal communication microservice, and the like, and the track circuit signal adaptation microservice implements track circuit signal data adaptation and protocol format conversion; the track circuit signal processing micro-service realizes the processing of the carrier frequency low frequency of the track circuit signal; the track circuit signal communication micro-service transmits the processed track circuit information to a track circuit simulation device through an access layer track circuit signal interface, and provides TCR (track circuit information reader) input information to ATP vehicle-mounted equipment through the track circuit simulation device.
And extracting the vehicle IO information and the speed information from the application request corresponding to the speed signal processing service through the vehicle input signal processing service and storing the vehicle IO information and the speed information into the physical layer.
After corresponding speed information, vehicle IO information, track circuit information, transponder information and wireless messages are acquired from a physical layer through a speed signal processing service, a vehicle output signal processing service, a track circuit signal processing service, a transponder signal processing service and a wireless message processing service respectively, and are processed through an adaptive micro service and a processing micro service in related processing services, and a processing result is correspondingly sent to ATP vehicle-mounted equipment through an access layer by the related communication micro service.
For example: for information of a driver's cab activation and a handle position (comprising a direction handle position, a traction handle position and a brake handle position) in vehicle IO information, after vehicle input signal adaptation micro-service and vehicle input signal processing micro-service processing, vehicle input signal communication micro-service is sent to a physical layer; for the speed information in the relevant information of the train, after the speed signal adaptation micro-service and the speed signal processing micro-service are processed, the speed signal communication micro-service sends the speed information to a physical layer; for wireless messages, after being processed by the wireless message adaptation micro-service and the wireless message processing micro-service, the wireless message communication micro-service sends the wireless messages to the physical layer. The rest of the information is processed in a similar way, which is not described herein.
When ATP function processing under abnormal conditions is tested, fault simulation information is extracted from the application request through the fault information processing service, then the fault information processing service acquires relevant fault simulation information from the physical layer, and after the fault information adaptation micro-service and the fault information processing micro-service are used, the fault information adaptation micro-service and the fault information processing micro-service are sent to ATP vehicle-mounted equipment through the access layer through the fault information communication micro-service.
3. The common service sublayer.
In this embodiment of the present invention, the common service sublayer is configured to implement a universal service that is unified in function and can be multiplexed in a platform, and includes: communication services, process services and file services, which provide more convenient support for the business sub-layer.
1) The process service combines a plurality of independent micro services into more complex and perfect overall application in a service combination mode, so that the system expandability is improved; here, the micro service includes a micro service in each processing service in the business service sublayer and a micro service of a communication service in the public service. The micro-service combination mode comprises a scheduling mode and a coordination mode, wherein the scheduling mode adopts a central coordinator mode to coordinate the calling of a plurality of micro-services; cooperative approach means that all microservices cooperate with each other in a peer-to-peer manner without the participation of a central coordinator. The invention selects the service cooperation mode to realize the decentralization and independence of the micro service and improve the reliability of the system.
Those skilled in the art will appreciate that the central coordinator is analogous to a central centralized controller by which to coordinate calls to services. If it fails, normal invocation of the service cannot be realized.
2) The communication service is used for calling the communication micro-service of each processing service in the service sublayer to realize data transmission; the method comprises TCP/IP communication microservice, serial communication microservice and the like.
3) And the file service is used for extracting the related data information in the script file and storing the extracted related data information into the physical layer. And after the file service is called, extracting the line track circuit information, the responder information and the wireless message from the high-speed rail train control engineering data script file and the wireless message script file and sending the line track circuit information, the responder information and the wireless message to the physical layer.
Fourthly, a physical layer.
In the embodiment of the invention, the physical layer can be understood as a data layer, the service layer performs service logic processing, the processed data is stored in the physical layer, and meanwhile, the service data in the physical layer also provides data for other services of the service layer; specifically, the entity layer provides key data required by the system and encapsulates the key data into entity information for service and public service invocation, and the information types comprise: vehicle IO information, speed information, track circuit information, transponder information, and wireless messages; or, further comprising: and (4) fault simulation information. The specific content of each type of information is introduced in the access layer portion.
And fifthly, accessing the layer.
In the embodiment of the invention, a vehicle signal interface, a speed signal interface, a track circuit signal interface, a transponder signal interface and a wireless message interface are used for providing vehicle IO information, speed information, track circuit information, transponder information and wireless message information for ATP vehicle-mounted equipment.
The vehicle IO information includes: the train braking system comprises a train direction handle position, a train traction handle position, a train braking handle position, a driving platform activation and dormancy information, a train braking feedback information, a train braking information, a passing split phase information and a passing split phase effective information;
the track circuit information includes: track section name, track section length, line carrier frequency, line low frequency and other information;
the transponder information includes: the name of the responder, the position of the responder and the message information of the responder;
the speed information includes: train speed value and speed transmission state information;
the wireless message includes: a wireless message name, a wireless message length, and a wireless message.
In the access stratum:
1) the train IO interface simulation device is connected into the platform through a vehicle signal interface and used for simulating the effective functions of a direction handle position, a traction handle position, a brake handle position, a driving platform activation, dormancy, brake feedback, braking, passing neutral section and passing neutral section of a train, and provides vehicle IO information for ATP vehicle-mounted equipment.
2) And the speed signal simulation device is connected to the platform through a speed signal interface and is used for simulating and generating speed information of the train and providing the speed information for the ATP vehicle-mounted equipment.
3) And the track circuit signal simulation device is connected into the platform through a track circuit signal interface and used for simulating track circuit information of a generation line and providing input information of a track circuit information reader for the ATP vehicle-mounted equipment.
4) And the responder signal simulation device is accessed to the platform through the responder signal interface and used for simulating and generating the responder information of the line and providing the responder transmission module input information for the ATP vehicle-mounted equipment.
5) The ISDN server is accessed to the platform through a wireless message interface, the ISDN server realizes wireless message interaction between the radio block center and the ATP vehicle-mounted equipment, and the ATP vehicle-mounted equipment controls the vehicle at the C3 level.
When the ATP function is processed under the abnormal condition of the test, the set fault simulation information content is transmitted to ATP vehicle-mounted equipment through a corresponding interface of an access layer through a train IO interface simulation device, a speed signal simulation device, a track circuit signal simulation device and/or a responder signal simulation device. For example, when the fault simulation information includes emergency brake feedback fault information for simulating a fault of a vehicle IO, maximum service brake feedback fault information, and handle state fault information, the fault simulation information is transmitted to the ATP in-vehicle device through the train IO interface simulation device through the vehicle signal interface, and the other types of fault simulation information are also the same, so that details are not repeated.
In the embodiment of the invention, various analog devices related to the introduction of the access layer belong to hardware devices, and are mostly directly connected with ATP vehicle-mounted equipment through cables to convert (for example, convert digital to analog) input data and transmit the converted data outwards.
The above is introduced for each part of the platform, and specific devices and information are introduced below to introduce the whole simulation test flow.
Step 1, setting train parameters including parameters such as train model, wheel diameter value, gear number and train length in a man-machine interaction interface (specifically a starting interface).
And 2, loading and executing the train control engineering data script file in a system human-computer interaction interface (specifically a system main interface), and simultaneously loading and executing a wireless message script file for information interaction between the train and the wireless block center in the human-computer interaction interface (specifically a wireless message simulation module graphical interface). If the function of the ATP vehicle-mounted equipment system under the abnormal condition needs to be tested, information such as an emergency brake feedback fault, a maximum service brake feedback fault, a quick transmission fault and the like can be set in a human-computer interaction interface (particularly a fault injection simulation graphical interface), and then a platform executes a simulation test.
As shown in fig. 2, the main processes involved in this step mainly include:
1) selecting a train control project data script file in a main interface of a presentation layer system, loading the train control project data script file after the train control project data script file is successfully checked, wherein the train control project data script file comprises key information such as train position, relative distance, line carrier frequency, line low frequency, responder information, route information, section name, section length and the like, and the file can adopt a CSV format; if the test is carried out according to the C3 grade, a user selects a wireless message script file in a graphical interface of a wireless message simulation module, and after the verification is successful, the wireless message script file is loaded, wherein the wireless message script file comprises information such as the position of a train, wireless messages sent by a wireless block center, wireless messages received by the wireless block center, the length of the wireless messages, the content of the wireless messages and the like, and the file can adopt a CSV format.
2) After a task starting process is completed on a vehicle-mounted DMI (human-computer interface), information such as a driving platform activation, a direction handle position, a traction handle position, a brake handle position, a train speed and the like is set in a system main interface, and a main interface program executes a loaded train control project data script file and a wireless message script file to enter a service gateway.
3) And the service gateway in the platform reads the data request, acquires relevant service information from the service registration center and distributes the request to the service layer.
4) And the service layer acquires the data request, calls the related micro-service for processing and sends a processing result to the physical layer.
In the embodiment of the invention, a service registration center in a service layer provides functions of micro-service registration and micro-service discovery, a service configuration center provides synchronization of micro-service dynamic configuration and micro-service information updating, and service monitoring provides a function of micro-service state monitoring. The service registry acquires a file service, a vehicle input signal processing service, a speed signal processing service and a wireless message processing service in the service layer and distributes a request to the file service, the vehicle input signal processing service, the speed signal processing service and the wireless message processing service.
The service layer extracts information such as line track circuit information, responder information, wireless messages and the like in the file and sends the information to the physical layer by calling file service processing; and extracting the relevant information of the train or the relevant information of the train and the fault simulation information from the application request by calling the service and sending the information to the physical layer.
5) The micro service of the business service sub-layer obtains the relevant information from the physical layer, and after processing, the information is sent to the ATP equipment through the access layer.
And after the speed signal processing service, the vehicle output signal processing service, the track circuit signal processing service, the transponder signal processing service and the wireless message processing service in the business service sublayer acquire corresponding speed information, vehicle information, track circuit information, transponder information, wireless messages and other information from the physical layer and are processed by related services, the speed information, the vehicle information, the track circuit information, the transponder information and the wireless messages are respectively transmitted to the ATP vehicle-mounted equipment through a speed signal communication micro-service, a vehicle output signal communication micro-service, a track circuit signal communication micro-service, a transponder signal communication micro-service and a wireless message communication micro-service through a speed signal simulator, a train IO interface simulator, a track circuit signal simulator, a transponder signal simulator and an ISDN server which are accessed in an access layer.
When ATP function processing under abnormal conditions is tested, the fault information processing service also acquires relevant fault simulation information from the physical layer, and the fault simulation information is processed through relevant micro-services and then is sent to ATP vehicle-mounted equipment through relevant interfaces of the access layer through corresponding simulation devices. As shown in the right part of fig. 2, ATP function processing under an abnormal condition is tested according to ATP vehicle-mounted function requirements, an emergency brake feedback fault, a maximum service brake feedback fault, a rapid transmission fault and the like are set in a fault injection simulation graphical interface, and after a service gateway calls a fault information adaptation micro-service, a fault information processing micro-service and a fault information communication micro-service in a service layer, the fault information adaptation micro-service, the fault information processing micro-service and the fault information communication micro-service are sent to ATP vehicle-mounted equipment through a train IO interface simulation device and a speed signal simulation device accessed in an access layer.
6) According to the random requirement of the test, the unexecuted script file and the fault simulation information can be modified at any time according to the requirement. For example, track circuit carrier frequency low-frequency information and responder information can be flexibly changed in an unexecuted train control engineering data script file at any time through a system main interface to simulate the change of ground track circuit information and responder information, wherein the track circuit information is transmitted to ATP vehicle-mounted equipment through a track circuit signal simulation device accessed by an access layer after a service gateway calls track circuit signal adaptation micro-service, track circuit signal processing micro-service and track circuit signal communication micro-service in a service layer, and the responder information is transmitted to the ATP vehicle-mounted equipment through a responder signal simulation device accessed by the access layer after the service gateway calls responder signal adaptation micro-service, responder signal processing micro-service and responder signal communication micro-service in the service layer.
Through the above description of the embodiments, it is clear to those skilled in the art that the above embodiments can be implemented by software, and can also be implemented by software plus a necessary general hardware platform. With this understanding, the technical solutions of the embodiments can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods according to the embodiments of the present invention.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules to perform all or part of the above described functions.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a high-speed railway train control on-vehicle equipment simulation test universal platform which characterized in that includes: a presentation layer, a service gateway layer, a service layer, a physical layer and an access layer; wherein:
the presentation layer is used for setting the relevant information of the train or the relevant information of the train and the fault simulation information, and loading and checking a high-speed rail train control project data script file and/or a wireless message script file for information interaction between the train and the radio block center according to the test type; the system is also used for sending an application request to the service gateway layer;
the service gateway layer provides a service unified proxy entrance and call distribution and is used for distributing the application request to the service layer;
the service layer is used for realizing the monitoring management of the system through a micro-service architecture and providing public service and business processing service, extracting relevant data information from the two types of script files through the public service and storing the relevant data information into the entity layer, extracting relevant information of a train or the relevant information of the train and fault simulation information from an application request through the business processing service and storing the relevant information into the entity layer, and transferring the data information from the entity layer through the business processing service and transmitting the data information to the ATP vehicle-mounted equipment through the access layer after the data information is processed;
the physical layer is used for storing data information required by the platform and calling the data information by the service layer;
the access layer comprises a plurality of interfaces and is used for transmitting the data information processed by the service layer to ATP vehicle-mounted equipment.
2. The general platform for simulation test of high-speed train control vehicle-mounted equipment according to claim 1, wherein in the representation layer:
the information in the high-speed train control project data script file comprises the following information: train position, relative distance, line carrier frequency, line low frequency, transponder information, route information, track section name and track section length; wherein, the track section name, the track section length, the line carrier frequency and the line low-frequency information belong to track circuit information;
the information in the wireless message script file of the information interaction between the train and the wireless block center comprises the following information: train location, wireless message length, and wireless message content; the wireless message includes: the wireless message sent by the wireless block center and the wireless message received by the wireless block center;
the set relevant information of the train includes: train parameters, speed information and vehicle IO information; the train parameters comprise train model, train length, wheel diameter value and gear number information; the speed information includes: train speed and acceleration information; the vehicle IO information includes: the train braking system comprises a train direction handle position, a train traction handle position, a train braking handle position, a driving platform activation and dormancy information, a train braking feedback information, a train braking information, a passing split phase information and a passing split phase effective information;
the set fault simulation information includes: emergency brake feedback fault information, maximum service brake feedback fault information, handle state fault information, quick transmission fault information, track circuit carrier frequency low-frequency abnormal information and/or responder message abnormal information; the functional processing of the ATP vehicle-mounted equipment under the abnormal condition is tested by setting fault injection simulation information to simulate the faults of the vehicle IO, the fast transmission faults, the track circuit abnormal information and/or the responder message abnormal information.
3. The general platform for simulation test of train control vehicle-mounted equipment of high-speed rail according to claim 1, wherein the service layer comprises: a service supervision and control sublayer, a business service sublayer and a public service sublayer; wherein:
the service supervision and treatment sublayer is used for realizing service registration, service discovery, load balancing, service configuration, service monitoring and log management;
the service sublayer is used for realizing core service functions of the platform, and comprises vehicle input signal processing service, vehicle output signal processing service, speed signal processing service, track circuit signal processing service, transponder signal processing service, wireless message processing service and fault information processing service;
the common service sublayer is used for realizing the universal service which has unified functions and can be multiplexed in the platform, and comprises the following steps: communication services, flow services, and file services.
4. The universal platform for simulation test of train-mounted equipment for a high-speed rail according to claim, wherein in the sub-layer of service supervision and governance:
the service registration uses decentralized service registration and comprises a plurality of service nodes, each service node can provide service registration and service discovery functions, a registration center for realizing the service registration function in each service node has the functions of a service end and a client at the same time, can provide the service registration function for the registration centers of other service nodes and can register the service registration function with the registration centers of other service nodes, and the registration centers are mutually equipped;
service discovery, which is a core and basic component in a micro-service architecture, provides preconditions for mutual identification of each service and provides a specific network position of a service instance for other service invocation; the service instance is a single service in business service and public service;
load balancing, namely realizing the number balance of objects processed by related services in a service layer;
service configuration, which realizes centralized management, dynamic adjustment and automatic update of parameters required by various service operation in a distributed environment;
the service monitoring is used for monitoring various service states when the platform runs;
and log management, which is used for recording various log data during the operation of the platform and can carry out fault processing by calling the log data when a fault occurs.
5. The platform of claim 3, wherein in the business service sub-layer, each processing service comprises: adapting microservices, processing microservices and communication microservices; the method comprises the steps that adaptation micro-service realizes protocol format conversion of data information, processing micro-service realizes processing of the data information after protocol format conversion, and communication micro-service realizes transmission of the processed data information;
vehicle IO information and speed information are extracted from the application request corresponding to the vehicle input signal processing service and the speed signal processing service and stored in a physical layer;
after corresponding speed information, vehicle IO information, track circuit information, transponder information and wireless information are acquired from a physical layer through a speed signal processing service, a vehicle output signal processing service, a track circuit signal processing service, a transponder signal processing service and a wireless information processing service respectively, and are processed through adaptive micro-services and processing micro-services in related processing services, and a related communication micro-service correspondingly sends a processing result to ATP vehicle-mounted equipment through an access layer;
when ATP function processing under abnormal conditions is tested, fault simulation information is extracted from the application request through the fault information processing service, then the fault information processing service acquires relevant fault simulation information from the physical layer, and after the fault information adaptation micro-service and the fault information processing micro-service are used, the fault information adaptation micro-service and the fault information processing micro-service are sent to ATP vehicle-mounted equipment through the access layer through the fault information communication micro-service.
6. The general simulation test platform for high-speed rail train control vehicle-mounted equipment according to claim 3, 4 or 5, wherein the common service sublayer comprises: communication services, flow services and file services; wherein:
the flow service is used for combining a plurality of independent micro services into an integral application in a service combination mode; the micro-service combination mode comprises a scheduling mode and a coordination mode, wherein the scheduling mode adopts a central coordinator mode to coordinate the calling of a plurality of micro-services; the cooperative mode means that all the microservices cooperate with each other in a peer-to-peer mode without participation of a central coordinator; the micro service comprises a micro service in each processing service in the business service sublayer and a micro service of a communication service in the public service;
the communication service comprises a TCP/IP communication micro-service and a serial communication micro-service, and is used for calling the communication micro-service of each processing service in the service sub-layer to realize data transmission;
and the file service is used for extracting the related data information in the script file and placing the related data information into the physical layer.
7. The platform of claim 1, wherein the information stored in the physical layer comprises: vehicle IO information, speed information, track circuit information, transponder information, and wireless messages; or, further comprising: and (4) fault simulation information.
8. The general platform for simulation test of train control vehicle-mounted equipment of high-speed rail according to claim 1, wherein the access layer comprises: the system comprises a vehicle signal interface, a speed signal interface, a track circuit signal interface, a transponder signal interface and a wireless message interface, wherein the vehicle signal interface, the speed signal interface, the track circuit signal interface, the transponder signal interface and the wireless message interface are used for providing vehicle IO information, speed information, track circuit information, transponder information and wireless message information for ATP vehicle-mounted equipment;
the vehicle IO information includes: the train braking system comprises a train direction handle position, a train traction handle position, a train braking handle position, a driving platform activation and dormancy information, a train braking feedback information, a train braking information, a passing split phase information and a passing split phase effective information;
the track circuit information includes: track section name, track section length, line carrier frequency and line low frequency information;
the transponder information includes: the name of the responder, the position of the responder and the message information of the responder;
the speed information includes: train speed value and speed transmission state information;
the wireless message includes: a wireless message name, a wireless message length, and a wireless message.
9. The general simulation test platform for the train control vehicle-mounted equipment of the high-speed rail according to claim 8,
the train IO interface simulation device is connected to the platform through a vehicle signal interface and used for simulating effective functions of a direction handle position, a traction handle position, a brake handle position, a driving platform activation, dormancy, brake feedback, braking, passing phase and passing phase of a train, and provides vehicle IO information for ATP vehicle-mounted equipment;
the speed signal simulation device is connected to the platform through a speed signal interface and used for simulating and generating speed information of the train and providing the speed information for the ATP vehicle-mounted equipment;
the method comprises the following steps that a track circuit signal simulation device is connected to a platform through a track circuit signal interface and used for simulating track circuit information of a generation line and providing input information of a track circuit information reader for ATP vehicle-mounted equipment;
the method comprises the following steps that a responder signal simulation device is accessed to a platform through a responder signal interface and used for simulating and generating responder information of a line and providing responder transmission module input information for ATP vehicle-mounted equipment;
the ISDN server is accessed to the platform through a wireless message interface, the ISDN server realizes wireless message interaction between a wireless block center and ATP vehicle-mounted equipment, and the ATP vehicle-mounted equipment controls the vehicle at the level of C3;
when the ATP function is processed under the abnormal condition of the test, the set fault simulation information content is transmitted to ATP vehicle-mounted equipment through a corresponding interface of an access layer through a train IO interface simulation device, a speed signal simulation device, a track circuit signal simulation device and/or a responder signal simulation device.
10. The general simulation test platform for the train control vehicle-mounted equipment of the high-speed rail according to claim 1, wherein the presentation layer provides a human-computer interaction interface, a user sets various information through the human-computer interaction interface, and a script file of the train control engineering data of the high-speed rail and a script file of a wireless message are loaded; besides, the unexecuted high-speed rail train control project data script file and the unexecuted high-speed rail train control project data script file can be modified through a human-computer interaction interface.
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