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Sensorless rotor position estimation by PWM-induced signal injection

Dilshad Surroop 1 Pascal Combes 2 Philippe Martin 1 Pierre Rouchon 1, 3 
3 QUANTIC - QUANTum Information Circuits
ENS-PSL - École normale supérieure - Paris, MINES ParisTech - École nationale supérieure des mines de Paris, SU - Sorbonne Université, Inria de Paris
Abstract : We demonstrate how the rotor position of a PWM-controlled PMSM can be recovered from the measured currents,by suitably using the excitation provided by the PWM itself.This provides the benefits of signal injection, in particular theability to operate even at low velocity, without the drawbacksof an external probing signal. We illustrate the relevance of theapproach by simulations and experimental results
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Submitted on : Wednesday, December 2, 2020 - 6:41:35 PM
Last modification on : Wednesday, June 8, 2022 - 12:50:07 PM

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Dilshad Surroop, Pascal Combes, Philippe Martin, Pierre Rouchon. Sensorless rotor position estimation by PWM-induced signal injection. IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society, Oct 2020, Singapore / Virtual, Singapore. pp.367-372, ⟨10.1109/IECON43393.2020.9254909⟩. ⟨hal-03036788⟩



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