Fuzzy fault tree analysis of roller oscillating tooth gear drive
Journal of Harbin Institute of Technology (New Series), Vol. 9, No.3, 2002，-0001，（）：
Conventional fault tree and reliability analysis do not reflect the characteristics of basic events as non-stationary and ergodic process. To overcome these drawbacks, theory of fuzzy sets is employed to run fault tree analysis (FTA) of roller oscillating tooth gear drive (ROTGD), the relative frequencies of basic events are considered as symmetrical normal fuzzy numbers, from the logical relationship between different events in the fault tree and fuzzy operators AND and OR, fuzzy probability of top event is solved. Finally, an example is given to demonstrate a real ROTGD system.
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