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The Failure mode, Effects and Criticality Analysis (FMECA) is one of most widely used reliability analysis method in modern engineering. The target of FMECA is to find the most hazard part of the system in order to reduce the hazard and improve the reliability. While carrying out FMECA, conventional CA methods lead to objectivity, ambiguity and human bias to the result. In order to handle these problems,...
This paper proposes a predictive maintenance model for multi-state Markov deteriorating system. In this model, a system subject to aging and fatal shocks and with states 0(initial condition)<;1<;2<;...<;L(failure condition) is described. Then, a control limit maintenance policy is proposed where the system is inspected periodical with period T to identify the system state and the action...
Importance measures in reliability engineering are used to find the weak areas of a system. Traditional importance measures for binary systems and multi-state systems mainly concern reliability importance of an individual component, and seldom consider the reliability importance of the causal components. This paper constructs the failure importance analysis Bayesian networks (FIABN) to describe the...
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