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Reliability Analysis of Automatic Transmission Based on T-S Fuzzy Fault Tree

DOI: 10.4236/oalib.1104659, PP. 1-13

Subject Areas: Automata

Keywords: Automatic Transmission, T-S Model, Fuzzy Fault Tree, Fault Diagnosis, Reliability Confidence Index

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Abstract

In order to solve the lack of automatic transmission slippage fault data, the uncertainty of the link between the source of the fault and the degree of failure, the lack of applicability of the traditional Boolean logic gate, the T-S model and fuzzy theory and the revision of the confidence index are proposed. The expert survey method was combined and the analysis method was introduced into the fault tree. The T-S model is introduced into the typical fault analysis, using the fuzzy possibility to describe the failure probability of the component. The connection between events is described with the T-S gate. The fault degree of the component is described by the fuzzy number, the model simulation is used to simulate the fault analysis, and the contribution or importance of the top event to the failure of the component is obtained. The fuzzy possibility and fault diagnosis of the top event are calculated. Without knowing the fault mechanism accurately, we can find the weak link of the system, and provide reference for automatic transmission slip fault diagnosis and maintenance.

Cite this paper

Lei, C. , Ji, H. and Hu, N. (2018). Reliability Analysis of Automatic Transmission Based on T-S Fuzzy Fault Tree. Open Access Library Journal, 5, e4659. doi: http://dx.doi.org/10.4236/oalib.1104659.

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