Square-Wave Voltage Injection Algorithm for PMSM Position Sensorless Control With High Robustness to Voltage Errors

Rotor position estimated with high-frequency (HF) voltage injection methods can be distorted by voltage errors due to inverter nonlinearities, motor resistance, and rotational voltage drops, etc. This paper proposes an improved HF square-wave voltage injection algorithm, which is robust to voltage e...

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Veröffentlicht in:	IEEE transactions on power electronics 2017-07, Vol.32 (7), p.5425-5437
Hauptverfasser:	Ronggang Ni, Dianguo Xu, Blaabjerg, Frede, Kaiyuan Lu, Gaolin Wang, Guoqiang Zhang
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer simulation Electric potential Error analysis Estimation error Hafnium Harmonic analysis Harmonic inductance high-frequency (HF) square-wave voltage injection permanent magnet synchronous machine (PMSM) Position sensing position sensorless control Pulse width modulation Robust control Rotors Variations Voltage control voltage error
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