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Complex electromechanical systems considering performance degradation are multi-state systems which cannot be described by traditional reliability theories based on the binary states assumption. Generally, such systems contain both electronic and mechanical components that have different failure mechanism and characteristics. In addition, states of the system and its components are time-variant, which...
This paper presents a method using Colored Time Hierarchical Petri Nets (CTHPN) that synthesizes stochastic Petri Nets (SPNs), colored Petri Nets (CPN) and hierarchical system modeling methods. A detailed procedure of dynamic reliability modeling of a complex mechanical system is addressed. It demonstrates CTHPN's capability of describing complex dynamic interaction among various factors affecting...
Mechanism reliability includes structural reliability of mechanism components and kinematic reliability of the mechanism. In fact, in practice mechanism reliability usually considers only kinematic reliability of the mechanism. Strength degradation including fatigue, wear, corrosion, and motion error, etc., are major failure mechanism of systems, sub-systems or components. In this paper, it is based...
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