A Rotor Flux Observer with Adaptive Interfering Signal Elimination for SPMSM Sensorless Control

2022 International Conference on Power Energy Systems and Applications (ICoPESA)(2022)

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摘要
In this paper, a rotor flux observer with adaptive interfering signal elimination for sensorless control of surface-mounted permanent magnet synchronous motor (SPMSM) is proposed. As we all known, the rotor flux of SPMSM can be obtained by integrator or closed-loop observer. But the interfering signals, i.e. ramp signal, dc offset and harmonics, always exist in obtained rotor flux due to unknown i...
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关键词
Permanent magnet synchronous motor,Sensorless control,Flux estimation,Adaptive notch filter
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