CN112416715B - Computer interlocking performance test system based on operation scene - Google Patents
Computer interlocking performance test system based on operation scene Download PDFInfo
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- CN112416715B CN112416715B CN202011340626.9A CN202011340626A CN112416715B CN 112416715 B CN112416715 B CN 112416715B CN 202011340626 A CN202011340626 A CN 202011340626A CN 112416715 B CN112416715 B CN 112416715B
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Abstract
The invention relates to a computer interlocking performance test system based on an operation scene, which comprises a tested module, an external interface simulation module, a PLC adapter module, an interlocking test platform module and a UI operation recording module, wherein the tested module is connected with the external interface simulation module through a network; the interlocking test platform module is respectively connected with a tested module, an external interface simulation module, a PLC adapter module and a UI operation recording module, and the external interface simulation module, the PLC adapter module and the UI operation recording module are respectively connected with the tested module; the test system adopts a PLC adapter module to replace an I/O load, a UI operation recording module replaces a man-machine interface, and an external interface simulation module replaces TCC, CBI and RBC interfaces, so that the real operation scene on site is restored to the maximum extent. Compared with the prior art, the method has the advantages of maximally restoring the actual operation scene on site and the like.
Description
Technical Field
The invention relates to a testing technology of a computer interlocking system, in particular to a computer interlocking performance testing system based on an operation scene.
Background
The computer interlocking system is one of the core components of the railway signal system, is an important guarantee for the high-efficiency and safe transmission of the railway system, and must meet the safety standard of railway signals. The existing interlocking software test focuses on testing basic functions of interlocking products, like a computer interlocking software testing device in a software test and evaluation laboratory of Ji university, a tested computer interlocking system is connected to a testing platform through a network interface, the platform sends commands to the computer interlocking system one by one according to test cases and an interlocking table, corresponding simulation equipment of the platform is operated according to the commands generated by the interlocking system, and finally, result judgment and evaluation are carried out according to the interlocking system and the states of the simulation equipment.
However, the operation scene of the computer interlocking system is complex, and even if the basic interlocking function passes the test, it is difficult to avoid that various system faults occur in the field operation process to influence the normal operation of the station. These faults are difficult to reproduce, mainly due to:
1) due to the test environment, interlock software and system testing lack a true I/O load.
2) In the operation environment of a railway station, the computer interlocking system has more interfaces with external systems, such as a Train Control Center (TCC), adjacent station interlocking (CBI) and a Radio Block Center (RBC) and is simple to test, and a complete closed loop scene test is not formed.
3) The interlock system capacity and pressure tests are not well performed due to environmental manpower limitations.
Through retrieval, Chinese patent publication No. CN103885439A discloses an automatic test system of a railway signal computer interlocking system, and specifically discloses a test case executor and a test case generator. The test case executor at least comprises a script executor, an upper computer simulator and an input/output board simulator. The script executor is used for reading, analyzing and executing a test case script, the upper computer simulator is used for finishing the communication function of the simulation interlocking upper computer, and the input/output board simulator is used for finishing the communication function of the simulation input/output board; and the test case generator receives the test scene script and the actual station field data and generates a test case script. This patent can save test manpower and time, improvement efficiency of software testing, but it leads to the test exactness relatively poor owing to do not consider real operation scene, and the data preparation of large capacity is complicated simultaneously, and most regression test do not do capacity and pressure test to the interlocking system to can't satisfy the performance test demand of product.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a computer interlocking performance testing system based on an operation scene, and the system can restore the actual operation scene on site to the maximum extent.
The purpose of the invention can be realized by the following technical scheme:
according to one aspect of the invention, an operation scene-based computer interlocking performance test system is provided, which comprises a tested module, an external interface simulation module, a PLC adapter module, an interlocking test platform module and a UI operation recording module;
the interlocking test platform module is respectively connected with a tested module, an external interface simulation module, a PLC adapter module and a UI operation recording module, and the external interface simulation module, the PLC adapter module and the UI operation recording module are respectively connected with the tested module;
the test system adopts a PLC adapter module to replace an I/O load, a UI operation recording module replaces a man-machine interface, and an external interface simulation module replaces TCC, CBI and RBC interfaces, so that the real operation scene on site is restored to the maximum extent.
As a preferable technical scheme, the module to be tested comprises an interlocking machine A IPSA, an interlocking machine B IPSB, an MMI man-machine interface and a maintenance machine SDM, wherein the interlocking machine A IPSA is respectively connected with the interlocking machine B IPSB, the MMI man-machine interface and the maintenance machine SDM.
As a preferred technical solution, the external interface simulation module includes TCC/CBI protocol simulation, RBC protocol simulation, and ZC/CC protocol simulation applied on a subway.
As a preferred technical scheme, the external interface simulation module supports simultaneous connection of 3 TCC nodes and 5 CBI nodes for a state railway interlocking system, wherein the maximum TCC data packet is 3600bits, and the maximum CBI data packet is 3200 bits; the simultaneous connection of 2 RBC nodes is supported; each node transmits 1000 bytes of data.
As a preferred technical scheme, the external interface simulation module supports simultaneous connection of 30 CBI nodes for a subway interlocking system, and can be used as a sending end or a receiving end, and each node supports maximum 2000bits data transmission; and the method supports simultaneous connection of 15 CC nodes and can be used as a sending end or a receiving end.
As a preferred technical solution, the PLC adapter module communicates with the PLC module according to the PLC communication protocol, and is responsible for writing an input variable of the interlock system, reading an output variable of the interlock system, and sending the output variable to the PLC adapter according to the PLC communication protocol, and displaying the I/0 variable state on the PLC adapter.
As a preferred technical solution, the interlocking test platform module includes:
the test script module controls the tested variable in a mode of editing the test script;
the variable tracking module is used for displaying all parameter names of the station, tracking the current 0/1 states of all parameters, and displaying the Boolean expression of the parameters and the current state of each parameter in the expression;
the test result module is used for displaying the test result of the test case and further operating the case;
and the test log module is used for displaying the current software running state and synchronously recording the information in the test running process.
As an optimized technical scheme, the test script module can run a plurality of test cases in batch and display the current test time, the line number of the script statement, the content of the script statement and the execution result.
As a preferred technical solution, the UI operation recording module records the operation of the user on the interface in a script manner.
As a preferred technical scheme, the operation of the UI operation recording module includes the operations of handling routes, arranging routes, and moving switches on the MMI console that require manual input by a tester, and intercepting the states of each signal device on the site diagram for comparison and judgment.
Compared with the prior art, the invention has the following advantages:
1. the pressure test of the interlocking product is always a weak link in the test, the large-capacity data is complex to manufacture, and most regression tests do not perform the capacity and pressure test on the interlocking system. The invention adopts large-capacity field data, supports multi-node and multi-I/0 load pressure test, meets the performance test requirement of products, and is used for interlocked copying test. The test platform can specifically meet the following performance test scenarios:
aiming at state iron interlocking:
1) the method supports simultaneous connection of 3 TCC nodes and 5 CBI nodes, wherein the maximum TCC data packet is 3600bits, and the maximum CBI data packet is 3200 bits.
2) And 2 RBC nodes are supported to be connected simultaneously. Each node transmits 1000 bytes of data.
Interlocking for the subway:
3) the method supports simultaneous connection of 30 CBI nodes which can be used as a sending end or a receiving end, and each node supports maximum 2000bits data transmission.
4) Support to connect 15 CC nodes at the same time, all can be regarded as the sending end or receiving end
2. The interlocking performance test platform integrates the PLC adapter and all external interface protocol simulation tools, supports the parallel communication of a plurality of external interfaces, and can dynamically control the number of external interface simulators and the sent application data.
3. The test script editing module provided by the interlocking performance test platform can derive the test scripts of each station according to the universal script template, so that the problem of large workload of a user for self-compiling the test scripts is solved, a large number of conventional and repetitive tests are automatically completed by running the test scripts, the labor cost and the test time are saved, and the simulation of an operation scene is performed in the copying process;
4. the interlocking performance test platform provided by the invention provides a variable tracking analysis module, a log module and a test result module, and is convenient for testers to look up and analyze. If the system is down, I/0 fault occurs in the copying test process, and the communication between the interlocking system and the external equipment is interrupted, the test platform can record related fault logs, so that the subsequent problem reproduction and fault processing are facilitated.
5. The UI operation recording module integrated with the interlocking performance test platform can automate the work of a manual operation interface in a recording operation mode, and reduces the labor cost.
Drawings
FIG. 1 is a schematic diagram of the logic architecture of the present interlocking Performance test platform;
FIG. 2 is a flow diagram of variable tracking and analysis;
FIG. 3 is a flow chart of interface layer testing;
fig. 4 is a flow chart of recording operations using the UI tool.
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 making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
In order to improve the capacity of the test interlocking system and restore the real field operation scene to the maximum extent, the I/O load is replaced by a PLC, the TCC, the CBI and the RBC interfaces are replaced by a simulator, the man-machine interface is replaced by a UI test tool and is controlled by a universal interlocking test platform module, the number of the interfaces and the data volume communicated with the interlocking are all telescopic, so that the test interlocking system can be copied and tested by automatically operating the test platform through a script.
The invention discloses a computer interlocking performance testing system based on an operation scene. The system integrates all subsystems and a simulator according to the principle and the framework that 2 is taken as 2 by 2 of the interlocking system, and the interlocking performance test platform comprises a module to be tested (an interlocking machine A, an interlocking machine B, an MMI man-machine interface and a maintenance machine SDM), an external interface simulation module, a PLC adapter module, an interlocking test platform module and a UI operation recording module.
The external simulation interface module comprises TCC/CBI protocol simulation applied to a large railway, RBC protocol simulation and ZC/CC protocol simulation applied to a subway. The external simulation interface can meet the multi-node and large-capacity scene, and can simulate the pressure scene required by the demand to perform performance test.
The PLC adapter module is communicated with the PLC module according to a PLC communication protocol, is responsible for writing in an interlocked input variable, simultaneously reads an interlocked output variable, and sends the interlocked output variable to the PLC adapter according to the PLC communication protocol, and the state of an I/0 variable can be displayed on the PLC adapter.
The interlocking test platform module is a main control module of the whole test system and is responsible for controlling all external interface simulators and PLC adapters, and integrates a variable tracking module, a test script module, a test result module and a log module.
The variable tracking module displays all parameter names of the local station, can track the current 0/1 states of all parameters, and can display the Boolean expression of the parameters and the current state of each parameter in the expression.
The script test module controls the tested variable in a mode of editing the test script, can run a plurality of test cases in batch, and displays the current test time, the line number of the script statement, the content of the script statement and the execution result.
The test result module displays the test result of the test case and can further operate the case, such as continuous test, retest and the like.
The test log module displays the current software running state and synchronously records the information in the test running process.
The interlocking performance testing platform is also integrated with a UI operation recording module, records the operation of a user on an interface in a script mode, such as handling all the operations needing manual input by testers on an MMI operating platform, such as route arrangement, switch moving and the like, and intercepts the states of all signal devices on a station field diagram for comparison and judgment.
As shown in FIG. 1, the performance testing platform of the present invention comprises a subsystem to be tested, IPSB, SDM, MMI, external interface simulation PLC adapter, TCC/CBI/RBC/ZC/CC external interface simulation, and a testing script module. The specific communication mode is as follows:
1) the IPS communicates with TCC and CBI through RSSP-I protocol;
2) the IPS communicates with the RBC through an RSSP-II protocol;
3) the IPS communicates with the ZC/CC through an FSFB2 protocol;
4) the IPS communicates with the CC through the SACAM/FSFB2 protocol;
5) the IPS communicates with the PLC adapter through an I/O interface;
6) the IPS communicates with the SDM through a TCP protocol;
7) the IPS interacts and represents information with the MMI through a TCP (transmission control protocol);
8) the IPS communicates with another IPS through a TCP protocol;
9) the test system sends a control command to the MMI through the operation script and sends the state information of the simulation equipment to the external interface simulation (TCC/CBI/RBC/ZC/CC/PLC) to realize the automatic test.
The interlocking performance test platform tests through the code position, and the process is as shown in fig. 2, the code position to be tested of the interface protocol to be tested is found on the code position display page of the interlocking performance test platform, the code position can be operated, then the corresponding external interface is used for calling, the code position information is sent to the system to be tested, the system to be tested can send the return information to the external interface, the parameter tracking module of the interlocking performance test platform can track the corresponding return variable, and therefore the test result is verified.
The process of testing the interlock performance testing platform through the interface testing script is shown in fig. 3, the testing script is edited through a script page of the testing platform, the corresponding external interface is called, the testing script is sent to the tested system, the result is returned through the parameter tracking module, and finally the final result is returned through the comparison of the testing result and the expected result. The test results comprise that the test is passed, the test is not carried out, manual confirmation is required when the script test is overtime, manual test is required when no corresponding script content exists, and the like.
The process of the interlocking performance test platform performing the operation recording test through the UI test module is as shown in FIG. 4, firstly, the coordinates of each device are calculated according to the data files distributed at the positions of each device in the configuration station, so as to find the position of the tested device, then the tested device is operated in a mode of simulating mouse click through a script, such as the operation of handling an access, operating a turnout and operating a section occupation, and finally, the state of the device is obtained through screen capture, and the test result is verified.
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 (8)
1. A computer interlocking performance test system based on an operation scene is characterized by comprising a tested module, an external interface simulation module, a PLC adapter module, an interlocking test platform module and a UI operation recording module;
the interlocking test platform module is respectively connected with a tested module, an external interface simulation module, a PLC adapter module and a UI operation recording module, and the external interface simulation module, the PLC adapter module and the UI operation recording module are respectively connected with the tested module;
the test system adopts a PLC adapter module to replace an I/O load, a UI operation recording module replaces a man-machine interface, and interfaces of TCC, CBI and RBC are replaced by an external interface simulation module, so that the real operation scene of a site is restored to the maximum extent;
the external interface simulation module supports simultaneous connection of 3 TCC nodes and 5 CBI nodes for a state railway interlocking system, wherein the maximum TCC data packet is 3600bits, and the maximum CBI data packet is 3200 bits; the simultaneous connection of 2 RBC nodes is supported; each node transmits 1000 bytes of data;
the external interface simulation module supports simultaneous connection of 30 CBI nodes for a subway interlocking system, and can be used as a sending end or a receiving end, and each node supports maximum 2000bits data transmission; and the method supports simultaneous connection of 15 CC nodes and can be used as a sending end or a receiving end.
2. The system according to claim 1, wherein the module under test comprises an interlocking machine IPSA, an interlocking machine IPSB, an MMI man-machine interface and a maintenance machine SDM, and the interlocking machine IPSA is respectively connected with the interlocking machine IPSB, the MMI man-machine interface and the maintenance machine SDM.
3. The system according to claim 1, wherein the external interface simulation module comprises TCC/CBI protocol simulation, RBC protocol simulation, and ZC/CC protocol simulation applied on a subway.
4. The computer interlocking performance testing system based on the operation scenario as claimed in claim 1, wherein the PLC adapter module communicates with the PLC module according to a PLC communication protocol, and is responsible for writing input variables of the interlocking system, reading output variables of the interlocking system, sending the input variables to the PLC adapter according to the PLC communication protocol, and displaying I/0 variable status on the PLC adapter.
5. The computer interlocking performance testing system based on the operation scenario as claimed in claim 1, wherein the interlocking testing platform module comprises:
the test script module controls the measured variable in a mode of editing the test script;
the variable tracking module is used for displaying all parameter names of the station, tracking the current 0/1 states of all parameters, and displaying the Boolean expression of the parameters and the current state of each parameter in the expression;
the test result module is used for displaying the test result of the test case and further operating the case;
and the test log module is used for displaying the current software running state and synchronously recording the information in the test running process.
6. The computer interlocking performance testing system based on the operation scenario as claimed in claim 5, wherein the test script module can run a plurality of test cases in batch and display the current test time, the line number of the script statement, the content of the script statement and the execution result.
7. The system of claim 1, wherein the UI operation recording module records user operations on the interface in a script manner.
8. The system according to claim 1, wherein the operation of the UI operation recording module includes the operations of routing, arranging routing, and moving switches that require manual input by a tester on the MMI console, and intercepting the status of each signal device on the site diagram for comparison and determination.
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| CN113504774B (en) * | 2021-09-09 | 2021-12-24 | 卡斯柯信号(北京)有限公司 | Train control interlocking integration and dispatching centralized system interface data checking method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211506255U (en) * | 2020-01-14 | 2020-09-15 | 上海焱晶燃烧设备检测有限公司 | Multifunctional safety interlocking protection testing instrument |
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| CN211506255U (en) * | 2020-01-14 | 2020-09-15 | 上海焱晶燃烧设备检测有限公司 | Multifunctional safety interlocking protection testing instrument |
Non-Patent Citations (3)
| Title |
|---|
| A new test environment for PLC based interlocking systems;İlhan Mutlu et al.;《Proceedings 2011 International Conference on Transportation, Mechanical, and Electrical Engineering (TMEE)》;20120514;全文 * |
| 计算机联锁处理子***的自动化测试平台及其应用;朱明玲 等;《铁道通信信号》;20170930;第53卷(第9期);第11-13页 * |
| 车站联锁仿真***的研发与应用;都云兵;《铁路通信信号工程技术》;20141031;第16-17，24页 * |
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