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METHOD OF PERFORMING QUANTITATIVE ASSESSMENT ON RELIABILITY OF SWITCHING RELUCTANCE MOTOR SYSTEM USING SECOND-ORDER MARKOV MODEL

机译:基于二阶马尔可夫模型的开关磁阻电机系统可靠性定量评估方法

摘要

A method of performing an assessment on reliability of a switching reluctance motor system using a second-order Markov model quantitative analysis comprises: setting, by setting 17 first-order misoperations possibly occurring at the switching reluctance motor system in a normal state to be equivalent to 4 valid states and 1 invalid state in a Markov space, and on a basis of the 4 valid states, system expression forms of second-order misoperations to be equivalent to 14 valid states and 4 invalid states, obtaining, by taking an initial normal state and a final invalid state into consideration, a total number of 19 valid states and 6 invalid states of the second-order misoperations; establishing a valid state transition matrix of the system in the second-order misoperations; computing a sum of all elements in a valid state probability matrix; obtaining a reliability function of the switching reluctance motor system; and computing an average no-misoperation duration of the switching reluctance motor system. Therefore, the embodiment adopts a second-order Markov model quantitative analysis to realize the reliability assessment of the switching reluctance motor system, providing a favorable value in engineering applications.
机译:一种使用二阶马尔可夫模型定量分析对开关磁阻电动机系统的可靠性进行评估的方法,该方法包括:通过将在正常状态下在开关磁阻电动机系统处可能发生的17次一阶误操作设置为等于马尔可夫空间中的4个有效状态和1个无效状态,并在这4个有效状态的基础上,将二阶误操作的系统表达形式等效为14个有效状态和4个无效状态,并通过获取初始正态来获得考虑到最终的无效状态,二阶误操作的总数为19个有效状态和6个无效状态;在二阶误操作中建立系统的有效状态转移矩阵;计算有效状态概率矩阵中所有元素的总和;获得开关磁阻电动机系统的可靠性功能;计算开关磁阻电机系统的平均无误操作持续时间。因此,本实施例采用二阶马尔可夫模型定量分析来实现开关磁阻电机系统的可靠性评估,在工程应用中具有良好的应用价值。

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