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双绕组永磁容错电机的余度电驱动系统

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Keywords: 双绕组永磁容错电机,故障诊断,余度容错控制,断路或短路故障

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Abstract:

提出一种基于双绕组永磁容错电机的余度电驱动系统,其电机本体采用转子磁钢离心式对称六相十极永磁容错电机,定子中包含两套相互独立的三相绕组。系统采用了基于矢量控制的热备份余度容错控制策略,同时采取故障诊断与余度通信策略。对基于双绕组永磁容错电机的余度电驱动系统进行了一相绕组断路和一相绕组短路故障态的仿真验证,并搭建了系统试验平台对其进行了试验验证。仿真和试验表明,当系统发生断路或短路故障后,电机输出性能仍可保持不变,实现了系统断路或短路故障容错,证明了电机设计的合理性及余度容错控制策略的正确性。

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