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《Chinese Journal of Mechanical Engineering》 2001-06
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MECHANICAL STRUCTURE BASED ON DEFINING FUZZY SAFETY STATE BY GENERALIZED FUZZY STRENGTH

Huang Hongzhong (Dalian University of Technology)  
In fuzzy reliability analysis of generalized structural strength, fuzzy safety state can be defined by state variation, fuzzy allowable interval, generalized fuzzy strength. This paper studied the third case. Thus, The concepts of maximizing set and minimizing set are developed to decide the ordering value of each fuzzy number, and these values can be used to determine the order of the fuzzy numbers. On the basis of the works mentioned above, the membership function defining the fuzzy safety event can be calculated, and then the fuzzy reliability in the case of random stress and fuzzy strength is deduced. An example is given to illustrate the method.
【Fund】: 国家自然科学基金! (5 9485 0 43);; 跨世纪杰出青年学科带头人基金;; 中国博士后科学基金;; 机械传动国家重点实验室开放课题基金
【CateGory Index】: TB114.3
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