Fuzzy Reliability Analysis of the Shaft of a Steam Turbine

Fuzzy Reliability Analysis of the Shaft of a Steam Turbine

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摘要 Field surveying shows that the failure of the steam turbine's coupling is due to fatigue that is caused by compound stress. Fuzzy mathematics was applied to get the membership function of the fatigue strength rule. A formula of fuzzy reliability of the coupling was derived and a theory of coupling's fuzzy reliability is set up. The calculating method of the fuzzy reliability is explained by an illustrative example. Field surveying shows that the failure of the steam turbine's coupling is due to fatigue that is caused by compound stress. Fuzzy mathematics was applied to get the membership function of the fatigue strength rule. A formula of fuzzy reliability of the coupling was derived and a theory of coupling's fuzzy reliability is set up. The calculating method of the fuzzy reliability is explained by an illustrative example.

作者 ZHANG Gong xue, MA Xi zhi, ZHU Jun Theory of Lubrication and Bearing Institute, Xi’an Jiaotong University, Xi’an 710049, P.R.China

出处《International Journal of Plant Engineering and Management》 2002年第1期33-38,共6页 国际设备工程与管理（英文版）

基金 NaturalScienceFoundationofChina (No .19990 5 10 ) NationalKeyProjectofChina(No .PD95 2 190 6 )

关键词 COUPLING membership function fuzzy reliability coupling, membership function, fuzzy reliability

分类号 TK261 [动力工程及工程热物理—动力机械及工程]

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International Journal of Plant Engineering and Management

2002年第1期

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Fuzzy Reliability Analysis of the Shaft of a Steam Turbine

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