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Research on Automatic Test Applied in CBTC System

Author: WangDan
Tutor: MuJianCheng
School: Beijing Jiaotong University
Course: Traffic Information Engineering \u0026 Control
Keywords: CBTC Software Testing Automated Testing VOBC Test drive Dynamic Determination
CLC: TP274
Type: Master's thesis
Year: 2010
Downloads: 109
Quote: 0
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Abstract


With the rapid development of computer technology and communication technology, CBTC system has developed into a mainstream urban rail transit signal system, and also the industry has attracted wide attention in the process of localization of the CBTC system. Being debugging domestic CBTC system demonstration project in Beijing Yizhuang subway line imminent opening and operation, which represents the signal system with independent intellectual property rights will be going to the rapid development of China's rail transportation market. A number of issues need to be addressed in this article by the the Yizhuang line CBTC system test process for high-volume testing regression testing time-consuming, labor-intensive of the status quo, proposed a way to automate testing platform-building program designed to help test to shorten the test cycle, improve the efficiency of the test. First, this paper introduces the development status of the CBTC system simulation test environment and signal field test technology, analysis of the existing laboratory test conditions, and from a technical point of view the popular automated testing tools and development brief introduced affirmed the feasibility of automated testing CBTC system. Secondly, the design of a common automated test methods for laboratory CBTC system, put forward the concept of simulation manager, as the test method to achieve the physical platform, its functional modules decompose, and put forward the important difficulties in the platform construction - Dynamic test drive to write and test results to determine; selected the onboard controller VOBC for platform test object, carried out a detailed analysis of the functional requirements of VOBC. Then introduce automated testing platform simulation environment, the design of each functional module of the simulation manager, focusing on analysis of the key to the realization of simulation manager module - communication protocol between the test subsystem test case script rule base design, test-driven strategies, test results dynamically determine the algorithm. Finally, VC and scripting technology to achieve automated testing platform simulation manager, and to the car VOBC real test case, for example, automated execution on the platform, showing the test case script entry, the script is run automatically, process monitoring, results and test logs generated dynamically determine the whole process, to verify the applicability of the test platform, and its scalability Summary and Outlook, laid the theoretical foundation for the future implementation of engineering.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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