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引用次数: 14
摘要
本文对现有的电力电子系统可靠性评估方法进行了综述。针对现有方法的不足，提出了电力电子系统可靠性评估的动态马尔可夫模型(DMM)。为了证明该方法的有效性，对升压功率因数校正(Boost Power Factor Correction, PFC)电路的可靠性进行了评估。为了证明该方法的优越性，将DMM模型与传统的马尔可夫模型进行了比较。对比结果表明，DMM可以得到更可靠的系统可靠性度量值。
Dynamic Markov Model for reliability evaluation of power electronic systems
In this paper, existing methods for reliability evaluation of power electronic systems at system level are reviewed. Then Dynamic Markov Model (DMM) for reliability evaluation of power electronic system is proposed to solve the shortcomings associated with the existing methods. In order to show the effectiveness of the proposed method, reliability of a Boost Power Factor Correction (PFC) circuit is evaluated. To show the advantage of the proposed method, DMM is compared with the conventional Markov model. Based on the comparison results it is shown that DMM can result in a more trustable metric value for reliability of the system.
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