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Solving Sensorless IPMSM Equations
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AI
DOI：10.1109/TPEL.2024.3404937.png)
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摘要
En 中文
We show that the two equations of interior permanent magnet synchronous motors always satisfy four (speed, position) solution pairs, predetermining where sensorless algorithms will end up. With such finiteness, we see a silver lining in establishing theoretical basics for the open problem of startup with an unknown initial position. We reveal normal-reversal duality that demystifies the familiar binary behavior of sensorless field-oriented control (FOC) scheme with the genuine/specious pair, and devise a detection-quit mechanism to help FOC systems flee the specious pair using the knowledge of motor/generator mode. These two ingredients enable a tailored sensorless algorithm that can obviate the need for initial position detection.
Keyword:
Initial position
interior permanent magnet synchronous motor (IPMSM)
observer
sensorless
Initial position
interior permanent magnet synchronous motor (IPMSM)
observer
sensorless
期刊
IF:
6.5
论文数:
1.7W
被引数:
8.3W
机构
引用论文
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