CN111273566A - Train control vehicle-mounted automatic test system based on satellite positioning - Google Patents
Train control vehicle-mounted automatic test system based on satellite positioning Download PDFInfo
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- CN111273566A CN111273566A CN202010143821.6A CN202010143821A CN111273566A CN 111273566 A CN111273566 A CN 111273566A CN 202010143821 A CN202010143821 A CN 202010143821A CN 111273566 A CN111273566 A CN 111273566A
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Abstract
The invention relates to a train control vehicle-mounted automatic test system based on satellite positioning, which comprises a simulation test environment module, an automatic test module and a tested vehicle-mounted device, wherein the automatic test module is respectively connected with the simulation test environment module and the tested vehicle-mounted device, and the simulation test environment module is connected with the tested vehicle-mounted device: the simulation test environment module constructs a simulation test environment of satellite positioning, and the automatic test module automatically completes test operation on the tested vehicle-mounted equipment, records test data and generates a test report. Compared with the prior art, the invention has the advantages of high automation of the whole testing process, labor saving, improved testing efficiency and quality and the like.
Description
Technical Field
The invention relates to a train control vehicle-mounted automatic test system and a test method, in particular to a train control vehicle-mounted automatic test system based on satellite positioning.
Background
The test is an important link of system development, and in order to ensure the safety and stability of online operation of the system, comprehensive and sufficient test work must be performed before online.
Train control vehicle-mounted system based on satellite and multi-sensor fusion positioning is a future development direction, and simulation and test technology of the train control vehicle-mounted system is not mature. The conventional manual test is used for testing the current train control vehicle-mounted system based on satellite positioning, a large number of testers need to be invested before and after the system is online, repeated test and verification are carried out on a large number of test cases, and the problems of long test period, low test efficiency, large personnel demand and the like exist.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a train control vehicle-mounted automatic test system based on satellite positioning, so that the whole test process is highly automated, labor is saved, and the test efficiency and quality are improved.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a train control vehicle-mounted automatic test system based on satellite positioning, its characterized in that, includes emulation test environment module, automatic test module and the on-vehicle equipment that is surveyed, automatic test module be connected with emulation test environment module and on-vehicle equipment that is surveyed respectively, emulation test environment module be connected with on-vehicle equipment that is surveyed:
the simulation test environment module constructs a simulation test environment of satellite positioning, and the automatic test module automatically completes test operation on the tested vehicle-mounted equipment, records test data and generates a test report.
Preferably, the simulation test environment module comprises a train interface simulation system TBTS, a simulation trackside system, a simulation radio block center RBC, a simulation satellite receiver GNSS/GNSSIMU, a simulation departure test server DTS and a simulation train tail HOT;
the train interface simulation system TBTS, the simulation radio block center RBC, the simulation satellite receiver GNSS/GNSSIMU, the simulation departure test server DTS and the simulation train tail HOT are respectively connected between the automatic test module and the tested vehicle-mounted equipment, and the simulation trackside system is respectively connected with the train interface simulation system TBTS, the simulation radio block center RBC and the simulation satellite receiver GNSS/GNSSIMU.
Preferably, the train interface simulation system TBTS includes a communication interface, a dc power supply, a vehicle IO interface, and a speed transmission output interface;
the device is used for providing a power supply for the vehicle-mounted equipment, simulating a train IO interface, calculating train speed and displacement information and generating a speed transmission pulse signal.
Preferably, the simulation trackside system is used for processing train positions and occupation logics, providing train position information for trackside equipment and displaying the train position information in a graphical interface;
the simulation radio block center RBC is used for establishing and maintaining communication with the vehicle-mounted equipment and sending route and speed limit information to the vehicle-mounted equipment;
the simulation satellite receiver GNSS/GNSSIMU receives train interval position information sent by the simulation trackside system, calculates corresponding longitude and latitude coordinates and sends the longitude and latitude coordinates to the vehicle-mounted equipment;
the simulation departure test server DTS is used for storing data of the electronic map database, establishing connection with the vehicle-mounted equipment and completing departure test in a matching way;
and the simulation train tail HOT is used for establishing connection with the vehicle-mounted equipment and sending pipe pressure information to the vehicle.
Preferably, the automatic test module comprises a test sequence execution engine, a test manager, a simulation software controller and a DMI controller; the test manager is respectively connected with the test sequence execution engine, the simulation software controller and the DMI controller, the simulation software controller is respectively connected with the simulation radio block center RBC, the simulation satellite receiver GNSS/GNSSIMU, the simulation departure test server DTS and the simulation train tail HOT, and the DMI controller is connected with the tested vehicle-mounted equipment.
Preferably, the test sequence execution engine is configured to parse the test sequence, execute the test operation step by step and record the test result;
the test manager is used for managing the state of the automatic test system, maintaining the equipment state information of the vehicle-mounted equipment, the train interface simulation system and the simulation trackside system and storing the equipment state information;
the simulation software controller receives an operation instruction from the test manager to complete the operations of automatic starting, automatic control and automatic quitting of each simulation software;
the DMI controller realizes the operation of DMI software.
Preferably, the test manager provides a user interface for displaying the sequence execution progress and the variable status;
the test manager communicates with the simulation software controller through a TCP protocol, sends specific operation or query instructions of relevant simulation software to the simulation software controller, and receives operation results and state variable information;
the test manager communicates with the DMI controller through a TCP protocol, sends a DMI operation command to the DMI controller and receives operation result information; the test manager communicates with the DMI controller through a UDP protocol and receives the state information of the vehicle-mounted equipment;
the test manager communicates with the train interface simulation system TBTS through a TCP protocol, sends a vehicle operation command to the TBTS, and receives train state and command result information.
Preferably, the simulation software controller simulates mouse and keyboard operations by operating a simulation software interface control handle to realize the operations of a simulation Radio Block Center (RBC), a simulation satellite receiver GNSS/GNSSIMU, a simulation Departure Test Server (DTS) and a simulation train tail HOT, and sends the operations to the test manager through a network;
the simulation software controller receives a test manager command to complete the function of storing the vehicle-mounted log file into a specified folder;
and the simulation software controller receives the command of the test manager to carry out screen video recording on each program interface in the test process, compresses the program interface and stores the compressed program interface in an appointed folder.
Preferably, the DMI controller provides an interface to receive key commands from the test manager;
the DMI controller receives a DMI key instruction from the test manager through a network, after protocol conversion is carried out, the DMI controller sends the key instruction to the DMI, meanwhile, the DMI also transmits vehicle state information to the DMI controller, the DMI controller stores the vehicle state information to the local, and request information can be sent to the DMI controller when the test manager needs the vehicle state information.
Preferably, the simulation test environment module further comprises a DRU record analysis module connected between the automatic test module and the vehicle-mounted device to be tested;
there are three ways for recording the test data, which are respectively the test report output by the test engine, the driving log recorded by the DRU, the data record recorded by the simulation software controller and the video data.
Compared with the prior art, the invention has the following advantages:
1. the automatic operation of the simulation software is realized through the simulation software controller, and the problem of manual misoperation is solved.
2. The automatic operation of the DMI is realized through the DMI controller, and the problems of low efficiency and easy omission of manual staring are solved.
3. The execution logic and the execution time sequence of the test sequence are controlled by the test sequence execution engine, so that the test sequence is automatically executed, and the test efficiency is improved.
4. And the automatic generation of the test report is realized by the test sequence execution engine.
5. Test data are recorded through a communication packet, video recording and a vehicle-mounted log in multiple ways, so that test results can be analyzed and judged conveniently.
Drawings
FIG. 1 is a system architecture diagram of the present invention;
FIG. 2 is a schematic diagram of a simulation software controller;
FIG. 3 is a schematic diagram of a DMI controller;
FIG. 4 is a flow chart of a test sequence;
FIG. 5 is a detailed exemplary flow chart of a test sequence.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in FIG. 1, the train control vehicle-mounted automatic test system based on satellite positioning of the invention comprises three parts, namely vehicle-mounted equipment, a simulation test environment and an automatic test module.
The vehicle-mounted equipment in the train control vehicle-mounted automatic test system based on satellite positioning is a test object, and comprises a vehicle-mounted cabinet and a human-computer interaction unit DMI.
The simulation test environment in the train control vehicle-mounted automatic test system based on satellite positioning comprises a train interface simulation system TBTS, a simulation trackside system, a simulation radio block center RBC, a simulation satellite receiver GNSS/GNSSIMU, a simulation departure test server DTS and a simulation train tail HOT.
The train interface simulation system TBTS is used for providing power control for a vehicle, simulating a train IO interface, calculating train speed and displacement information and generating a speed transmission pulse signal.
The simulation trackside system is used for processing the train position and the occupation logic, providing train position information for trackside equipment and displaying the train position information in a graphical interface;
the simulation radio block center RBC is used for establishing and maintaining communication with a vehicle and sending route and speed limit information to the vehicle;
the simulation satellite receiver GNSS/GNSSIMU is used for receiving train interval position information sent by the simulation trackside system, calculating corresponding longitude and latitude coordinates and sending the longitude and latitude coordinates to a vehicle;
the simulation departure test server DTS is used for storing data of the electronic map database, establishing connection with a vehicle and completing departure test in a matching way;
the simulation train tail HOT is used for establishing connection with a vehicle and sending pipe pressure information to the vehicle;
the automatic test module in the train control vehicle-mounted automatic test system based on satellite positioning comprises four parts, namely a test sequence execution engine, a test manager, a simulation software controller and a DMI controller, and has the following functions:
and the test sequence execution engine is used for analyzing the test sequence, executing test operation by taking steps as units and recording test results.
The test manager is mainly used for managing the state of the automatic test system, maintaining the state information of equipment such as a vehicle-mounted system, a train interface simulation system, a simulation trackside system and the like, and storing the state information.
The test manager provides a user interface for displaying sequence execution progress and variable status.
The test manager communicates with the simulation software controller through a TCP protocol, sends specific operation or query instructions of relevant simulation software to the simulation software controller, and receives operation results and state variable information.
The test manager communicates with the DMI controller through a TCP protocol, sends a DMI operation command to the DMI controller and receives operation result information; the test manager communicates with the DMI controller through a UDP protocol and receives the state information of the vehicle-mounted equipment.
The test manager communicates with the train interface simulation system TBTS through a TCP protocol, sends a vehicle operation command to the TBTS, and receives train state and command result information.
And the simulation software controller receives an operation instruction from the test manager to complete the operations of automatic starting, automatic control, automatic quitting and the like of each simulation software.
The simulation software controller simulates mouse and keyboard operations by operating a simulation software interface control handle, so as to realize the operations of a simulation radio block center RBC, a simulation satellite receiver GNSS/GNSSIMU, a simulation departure test server DTS and a simulation train tail HOT, and the operations are sent to a test manager through a network, and the principle is shown in figure 2.
And the simulation software controller receives a test manager command to complete the function of storing the vehicle-mounted log file into the specified folder.
And the simulation software controller receives the command of the test manager to carry out screen video recording on each program interface in the test process, compresses the program interface and stores the compressed program interface in an appointed folder.
The DMI controller realizes the operation of DMI software.
The DMI controller provides an interface to receive key commands from the test manager.
The DMI controller receives a DMI key instruction from the test manager through a network, after protocol conversion is carried out, the DMI controller sends the key instruction to the DMI, meanwhile, the DMI also transmits vehicle state information to the DMI controller, the DMI controller stores the vehicle state information to the local, and when the test manager needs the vehicle state information, request information can be sent to the DMI controller, and the principle is shown in figure 3.
The train control vehicle-mounted automatic test system based on satellite positioning has three ways for recording test data, which are respectively as follows: the test engine outputs a test report, the DRU records a driving log, and the simulation software controller records data records and video data.
The train control vehicle-mounted automatic test system based on satellite positioning automates manual operation, as shown in figure 1, the automatic test system can control execution logic and execution time sequence of a test sequence by using a test sequence execution engine, realizes multiplexing of the sequence by calling a subsequence, and provides a function interface for calling other languages to write a test sequence. The test manager in the invention is used for providing interface functions of operation instructions, managing state data, managing test reports and the like, and providing a user interface for facilitating operation and observation of a user.
As shown in fig. 2, the simulation software controller is divided into two Client terminals Client a and Client B, wherein the Client a is used for controlling the simulation radio block center RBC, the simulation satellite receiver GNSS/GNSSIMU, the simulation departure test server DTS, and the simulation train tail HOT, the Client B is used for controlling the DRU record analysis software, and when the Client receives an operation command from the test manager, the simulation software is operated by simulating mouse click, wheel and keyboard data.
As shown in fig. 3, the DMI controller receives an operation command from the test controller, and after the test controller performs protocol conversion, the test controller sends a key command message to the DMI through the network, and meanwhile, the DMI also forwards vehicle state information sent from the vehicle-mounted computer to the DMI controller through the network, and the DMI controller stores the vehicle state information in a data structure.
The test sequence execution flow of the train control vehicle-mounted automatic test system based on satellite positioning is shown in fig. 4, and the test sequence execution flow is divided into three stages by a test sequence execution engine: the method comprises an environment initialization stage, a test case execution stage and a test environment recovery stage, wherein the test environment initialization stage finishes the work of starting simulation software, loading configuration files and the like, the test case execution stage finishes main test contents including starting screen recording, starting data recording, powering on a vehicle, powering off, adding a train, deleting the train, finishing departure test, finishing integrity test, accelerating the train, controlling deceleration, analyzing data, storing video files and related operations of the simulation software involved in the test process, and the test environment recovery stage closes the simulation software and generates a test report. When a test sequence is written, the test sequence needs to be written according to the above process, and the work required to be completed in each stage is planned.
FIG. 5 shows a typical flow of the test sequence of the present invention, which comprises the following steps:
step 1: starting screen recording;
step 2: starting a simulation Radio Block Center (RBC), a simulation satellite receiver GNSS/GNSSIMU, a simulation Departure Test Server (DTS) and a simulation train tail HOT in a Client A, and starting DRU record analysis software in a Client B;
and step 3: handling departure routes (pick-up routes);
and 4, step 4: powering on the vehicle;
and 5: waiting for the completion of the vehicle-mounted self-inspection, and continuing the next step after receiving feedback of the completion of the self-inspection;
step 6: controlling DMI key operation to carry out departure test;
and 7: controlling DMI key operation to perform integrity test;
and 8: setting a target speed and an acceleration of the train, and controlling the train to run so that the speed is controlled below an ATP speed curve;
and step 9: circularly acquiring whether the current position reaches a stopping point, if not, continuing to perform the step 8, continuing to run the train, and if so, entering the step 10, and stopping the train;
step 10: setting the target speed of the train to be 0 and the acceleration to be-0.5 until the train is stopped stably;
step 11: closing a simulation radio block center RBC, a simulation satellite receiver GNSS/GNSSIMU, a simulation departure test server DTS, a simulation train tail HOT and DRU record analysis software;
step 12: stopping screen recording and saving the video file to the local in an mp4 format;
step 13: and generating a test report and outputting the results of all the judgment points.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the 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 train control vehicle-mounted automatic test system based on satellite positioning, its characterized in that, includes emulation test environment module, automatic test module and the on-vehicle equipment that is surveyed, automatic test module be connected with emulation test environment module and on-vehicle equipment that is surveyed respectively, emulation test environment module be connected with on-vehicle equipment that is surveyed:
the simulation test environment module constructs a simulation test environment of satellite positioning, and the automatic test module automatically completes test operation on the tested vehicle-mounted equipment, records test data and generates a test report.
2. The train control vehicle-mounted automatic test system based on satellite positioning according to claim 1, characterized in that the simulation test environment module comprises a train interface simulation system TBTS, a simulation trackside system, a simulation radio block center RBC, a simulation satellite receiver GNSS/GNSSIMU, a simulation departure test server DTS and a simulation train tail HOT;
the train interface simulation system TBTS, the simulation radio block center RBC, the simulation satellite receiver GNSS/GNSSIMU, the simulation departure test server DTS and the simulation train tail HOT are respectively connected between the automatic test module and the tested vehicle-mounted equipment, and the simulation trackside system is respectively connected with the train interface simulation system TBTS, the simulation radio block center RBC and the simulation satellite receiver GNSS/GNSSIMU.
3. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 2, wherein the train interface simulation system TBTS comprises a communication interface, a direct current power supply, a vehicle IO interface and a speed transmission output interface;
the device is used for providing a power supply for the vehicle-mounted equipment, simulating a train IO interface, calculating train speed and displacement information and generating a speed transmission pulse signal.
4. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 2, wherein the simulation trackside system is used for processing train position and occupancy logic, providing train position information for trackside equipment and displaying the train position information in a graphical interface;
the simulation radio block center RBC is used for establishing and maintaining communication with the vehicle-mounted equipment and sending route and speed limit information to the vehicle-mounted equipment;
the simulation satellite receiver GNSS/GNSSIMU receives train interval position information sent by the simulation trackside system, calculates corresponding longitude and latitude coordinates and sends the longitude and latitude coordinates to the vehicle-mounted equipment;
the simulation departure test server DTS is used for storing data of the electronic map database, establishing connection with the vehicle-mounted equipment and completing departure test in a matching way;
and the simulation train tail HOT is used for establishing connection with the vehicle-mounted equipment and sending pipe pressure information to the vehicle.
5. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 2, wherein the automatic test module comprises a test sequence execution engine, a test manager, a simulation software controller, a DMI controller; the test manager is respectively connected with the test sequence execution engine, the simulation software controller and the DMI controller, the simulation software controller is respectively connected with the simulation radio block center RBC, the simulation satellite receiver GNSS/GNSSIMU, the simulation departure test server DTS and the simulation train tail HOT, and the DMI controller is connected with the tested vehicle-mounted equipment.
6. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 5, wherein the test sequence execution engine is configured to parse the test sequence, execute test operations in units of steps, and record test results;
the test manager is used for managing the state of the automatic test system, maintaining the equipment state information of the vehicle-mounted equipment, the train interface simulation system and the simulation trackside system and storing the equipment state information;
the simulation software controller receives an operation instruction from the test manager to complete the operations of automatic starting, automatic control and automatic quitting of each simulation software;
the DMI controller realizes the operation of DMI software.
7. The system of claim 6, wherein the test manager provides a user interface for displaying sequence execution progress and variable status;
the test manager communicates with the simulation software controller through a TCP protocol, sends specific operation or query instructions of relevant simulation software to the simulation software controller, and receives operation results and state variable information;
the test manager communicates with the DMI controller through a TCP protocol, sends a DMI operation command to the DMI controller and receives operation result information; the test manager communicates with the DMI controller through a UDP protocol and receives the state information of the vehicle-mounted equipment;
the test manager communicates with the train interface simulation system TBTS through a TCP protocol, sends a vehicle operation command to the TBTS, and receives train state and command result information.
8. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 6, wherein the simulation software controller simulates mouse and keyboard operations by operating simulation software interface control handles, so as to realize the operations of a simulation Radio Block Center (RBC), a simulation satellite receiver GNSS/GNSSIMU, a simulation Departure Test Server (DTS) and a simulation train tail HOT, and send the operations to the test manager through a network;
the simulation software controller receives a test manager command to complete the function of storing the vehicle-mounted log file into a specified folder;
and the simulation software controller receives the command of the test manager to carry out screen video recording on each program interface in the test process, compresses the program interface and stores the compressed program interface in an appointed folder.
9. The vehicle-mounted automatic test system for train control based on satellite positioning as claimed in claim 6, wherein the DMI controller provides an interface for receiving a key command from the test manager;
the DMI controller receives a DMI key instruction from the test manager through a network, after protocol conversion is carried out, the DMI controller sends the key instruction to the DMI, meanwhile, the DMI also transmits vehicle state information to the DMI controller, the DMI controller stores the vehicle state information to the local, and request information can be sent to the DMI controller when the test manager needs the vehicle state information.
10. The train control vehicle-mounted automatic test system based on satellite positioning as claimed in claim 1, wherein the simulation test environment module further comprises a DRU record analysis module connected between the automatic test module and the vehicle-mounted device under test;
there are three ways for recording the test data, which are respectively the test report output by the test engine, the driving log recorded by the DRU, the data record recorded by the simulation software controller and the video data.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114489028A (en) * | 2022-04-01 | 2022-05-13 | 北京全路通信信号研究设计院集团有限公司 | Train control system test method and system |
| CN114475732A (en) * | 2022-04-01 | 2022-05-13 | 北京全路通信信号研究设计院集团有限公司 | Test method and system for train positioning system |
| CN115296782A (en) * | 2022-06-14 | 2022-11-04 | 卡斯柯信号有限公司 | FDD frequency division duplex positioning simulation device and method for TACS system |
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2020
- 2020-03-04 CN CN202010143821.6A patent/CN111273566A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114489028A (en) * | 2022-04-01 | 2022-05-13 | 北京全路通信信号研究设计院集团有限公司 | Train control system test method and system |
| CN114475732A (en) * | 2022-04-01 | 2022-05-13 | 北京全路通信信号研究设计院集团有限公司 | Test method and system for train positioning system |
| CN115296782A (en) * | 2022-06-14 | 2022-11-04 | 卡斯柯信号有限公司 | FDD frequency division duplex positioning simulation device and method for TACS system |
| CN115296782B (en) * | 2022-06-14 | 2023-11-07 | 卡斯柯信号有限公司 | FDD frequency division duplex positioning simulation device and method for TACS system |
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