电力电子装备系统可靠性评估的创新方法:一个真实案例研究

V. Fazio, S. Savio, P. Firpo
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引用次数: 10

摘要

为了预测和评估系统的可靠性相关行为,通常要使用适当的模型,通过适当的软件工具来实现和解决。在本文中,作者提出了一种基于蒙特卡罗方法的建模程序,用于模拟电力电子装备系统的性能作为其组件可靠性的函数。模拟的核心是系统行为的表示,在存在故障的情况下,在状态空间中,转换由基本元素的蒙特卡罗可靠性模型生成的事件驱动。本文给出并讨论了以铁路用多电压车辆为代表的实际案例研究结果。
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An innovative procedure for reliability assessment of power electronics equipped systems: a real case study
Suitable models, to be implemented and solved by means of appropriate software tools, are usually to be used in order to predict and assess the reliability related behaviour of a system. In this paper, the authors present a modelling procedure, based on the Monte Carlo method, for simulating the performances of a power electronics equipped system as a function of the reliability of its components. The core of the simulation is a representation of the system behaviour, in the presence of failures, in the state-space where transitions are driven by the events generated by the Monte Carlo reliability model of the basic elements. The results of a real case study, represented by a multivoltage vehicle for railway applications, are shown and discussed.
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