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20 October 2022 Application of state machine-based closed-loop control mode in computer-based interlocking test software
Yutian Wen
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Proceedings Volume 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022); 124512T (2022) https://doi.org/10.1117/12.2655914
Event: 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 2022, Chongqing, China
Abstract
The computer-based interlocking system is a control system to ensure driving safety, with the safety level of STL4, which is a typical safety-critical system. In order to ensure driving safety, before the computer-based interlocking system is applied on site, the manufacturer of the computer-based interlocking system will formulate test cases to test the interlocking logic according to the computer-based interlocking technical specifications and interlocking logic. Due to the huge amount of testing, manual testing cannot be completed in a short time, and there are many repetitive tasks in the testing process, which are suitable for computer completion. In order to improve the test efficiency, this paper intends to develop a test software, and propose a closed-loop control method based on state machine. The control method is used to control the test process, which is of great significance to the test of the computer-based interlocking system.
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Yutian Wen "Application of state machine-based closed-loop control mode in computer-based interlocking test software", Proc. SPIE 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 124512T (20 October 2022); https://doi.org/10.1117/12.2655914
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KEYWORDS
Computing systems
Control systems
Automatic control
Safety
Software development
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