Study on fault diagnostic strategy under unreliable test

A new diagnostic strategy for complex system under unreliable test is proposed. Firstly, a system mean detection cost function is established to evaluate the test cost and misdiagnosis price at the same time. Then a Rollout algorithm based on information entropy theory is proposed, which takes an av...

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Bibliographic Details
Published inChinese Control Conference pp. 6718 - 6721
Main Authors Dong, Haidi, He, Bing, Liu, Gang, He, Huafeng, Qi, Haozhen, Ji, Yiwei
Format Conference Proceeding Journal Article
LanguageEnglish
Published TCCT 01.07.2016
Subjects
Acceptability
Algorithm design and analysis
Algorithms
Circuit faults
Complex systems
Conferences
diagnostic strategy
Diagnostic systems
Entropy
Faults
Heuristic algorithms
Indexes
Information entropy
Instruments
Optimization
Rollout algorithm
Strategy
unreliable test
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ISSN1934-1768
DOI10.1109/ChiCC.2016.7554414

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Summary:A new diagnostic strategy for complex system under unreliable test is proposed. Firstly, a system mean detection cost function is established to evaluate the test cost and misdiagnosis price at the same time. Then a Rollout algorithm based on information entropy theory is proposed, which takes an average detection cost as the heuristic evaluation function. Simulation case and engineering example verify the proposed method. Results show that the proposed algorithm meets the requirements for high search speed and acceptable test cost in engineering application.
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ISSN:1934-1768
DOI:10.1109/ChiCC.2016.7554414