Reliability analysis of circulating water filtration system in nuclear power plants based on fuzzy GO methodology and Boolean algebra method
Pages 402 - 408
Abstract
When analyzing the reliability of the circulating water filtration system (CFI) in a nuclear power plant using the fuzzy Goal-Oriented (GO) methodology, the calculation method of directly disconnecting the feedback loop changes the logical structure of the system, resulting in low accuracy of the calculated results. To improve the accuracy of reliability analysis in systems with feedback loops, the Boolean algebra method is used to handle the feedback loops that appears in the fuzzy GO methodology. Based on the operational rules of the input operators at the convergence points of the feedback loops, two sets of formulas for quantifying the reliability of the feedback loops are derived. Using the reliability analysis method based on fuzzy GO methodology and Boolean algebra method, the fuzzy numbers representing the success probability of the CFI systems in the nuclear power plants are calculated, and the confidence intervals of the calculation results at different confidence levels are provided. By comparing the calculation results of Boolean algebra, direct disconnection method, and traditional GO method, it is demonstrated that the reliability analysis method based on fuzzy GO methodology and Boolean algebra method is feasible, and the calculation results can provide a reference for risk warning and optimization of maintenance strategies for the CFI systems in nuclear power plants.
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Index Terms
- Reliability analysis of circulating water filtration system in nuclear power plants based on fuzzy GO methodology and Boolean algebra method
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Published In
December 2023
467 pages
ISBN:9798400716966
DOI:10.1145/3661638
Copyright © 2023 ACM.
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Association for Computing Machinery
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Published: 01 June 2024
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AISNS 2023
AISNS 2023: 2023 International Conference on Artificial Intelligence, Systems and Network Security
December 22 - 24, 2023
Mianyang, China
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