Robust Sensorless Control of Interior Permanent Magnet Synchronous Motor Using Deadbeat Extended Electromotive Force Observer

Seung-Taik Kim, In-Sik Yoon, Sung-Chul Jung and Jong-Sun Ko ()
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Seung-Taik Kim: Department of Electronic and Electrical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si 16890, Korea
In-Sik Yoon: Department of Electronic and Electrical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si 16890, Korea
Sung-Chul Jung: Department of Electronic and Electrical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si 16890, Korea
Jong-Sun Ko: Department of Electronic and Electrical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si 16890, Korea

Energies, 2022, vol. 15, issue 20, 1-16

Abstract: This paper proposes a novel and robust method of sensorless speed control using a deadbeat observer for an interior permanent magnet synchronous motor (IPMSM). The proposed sensorless speed control method uses a deadbeat observer to estimate the extended electromotive force (EEMF) in a rotational coordinate system. The estimated EEMF is used in the IPMSM velocity estimation algorithm. The deadbeat EEMF observer (DEEMFO) shows greater robustness compared to the reconstructor, which estimates the EEMF by simply recalculating the voltage equation. Unlike a reconstructor, DEEMFO has a feedback component, so it can compensate for errors due to uncertainty in motor parameters and errors due to parameter fluctuations that may occur during use. By simulating and experimenting with speed, load torque, and parameter fluctuations, it is proved to be more robust and precise than the reconstructor. The simulation is performed with MATLAB/Simulink, and the experiments were carried out using a DSP TMS320F28335 and a motor-generator set (M-G Set). The simulation and experiment results show the reliability and precision of the proposed sensorless control method.

Keywords: interior permanent magnet synchronous motor; sensorless speed control; extended electromotive force; deadbeat observer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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