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首页> 外文期刊>Journal of power electronics >Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives
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Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives

机译:基于定子电阻变化的永磁同步电动机驱动器开路故障诊断

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摘要

This paper proposes a novel fault diagnosis scheme using parameter estimation of the stator resistance, especially in the case of the open-phase faults of PMSM drives. The stator resistance of PMSMs can be estimated by the recursive least square (RLS) algorithm in real time. Fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to the fault condition. The proposed fault diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used to improve the control performance. The feasibility of the proposed fault diagnosis scheme is verified by simulation and experimental results.
机译:本文提出了一种利用定子电阻参数估计的新型故障诊断方案,特别是在永磁同步电动机驱动器存在断相故障的情况下。 PMSM的定子电阻可以通过递归最小二乘(RLS)算法实时估算。通过根据故障状况分析估计的每相定子电阻来实现故障诊断。提出的故障诊断方案无需任何额外的设备即可实现。此外,估计的参数信息可以用于改善控制性能。仿真和实验结果验证了所提出的故障诊断方案的可行性。

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