Research Article

Search Method for Wind Turbine Gearbox Failures Based on Grey and Fuzzy Fault Tree Analysis

Wang Shoubin, Li Chengwei and Sun Xiaogang

According to the characteristics of complicated structure as well as failure probability for shortage, failure mechanism is not clear, the fault degree are grey and fuzzy properties in Wind turbine gearbox transmission system. The grey and fuzzy theory were introduced into fault tree analysis method and the fault tree analysis method of Wind turbine gearbox transmission system was proposed based on grey and T-S fuzzy fault tree analysis. The method used fuzzy Numbers to describe system failure probability to solve the failure probability of uncertainty. Using T-S logic fuzzy gate to solve the connections and using grey correlation degree to get fault search order. Example of fault tree analysis of the Wind turbine gear-box system was given for illustration. Results show that the method is feasible.

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Wang Shoubin, Li Chengwei and Sun Xiaogang, 2013. Search Method for Wind Turbine Gearbox Failures Based on Grey and Fuzzy Fault Tree Analysis. Journal of Applied Sciences, 13: 901-906.

DOI: 10.3923/jas.2013.901.906

URL: https://scialert.net/abstract/?doi=jas.2013.901.906

Journal of Applied Sciences

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Authors

Wang Shoubin

Li Chengwei

Sun Xiaogang

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Research Article

Search Method for Wind Turbine Gearbox Failures Based on Grey and Fuzzy Fault Tree Analysis

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