Identification of the Parameters of the Highly Saturated Permanent Magnet Synchronous Motor (PMSM): Selected Problems of Accuracy

Michal Gierczynski, Rafal Jakubowski, Emil Kupiec, Lukasz Jan Niewiara, Tomasz Tarczewski and Lech M. Grzesiak ()
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Michal Gierczynski: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Rafal Jakubowski: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Emil Kupiec: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Lukasz Jan Niewiara: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Tomasz Tarczewski: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Lech M. Grzesiak: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland

Energies, 2024, vol. 17, issue 23, 1-28

Abstract: Machines with highly saturated magnetic circuits are utilized to maximize drive efficiency. However, their control is non-trivial due to highly non-linear characteristics, and therefore, an accurate parameter identification procedure is crucial. This paper presents and validates a comprehensive flux linkage identification procedure. Several steps needed for accurate parameter identification and their influence on the estimation results are described. The impact of all main parts of the electrical drive, i.e., dead times introduced between switching off and switching on the power transistors, phase delay from the current low-pass filters, delay from the control system, and misalignment of the d – axis angle due to the machine asymmetries is considered and partially eliminated. An improved identification procedure with the look-up table-based dead time compensation and estimation of equivalent circuit resistance is applied to estimate the parameters of the highly saturated PMSM traction machine from the fourth generation of the Toyota Prius, and the obtained results are compared with a Finite Element Method-based model of this machine. Finally, dynamic test results are conducted to prove the proposed approach’s accuracy.

Keywords: highly saturated PMSM; parameters identification; dead time compensation; equivalent circuit resistance (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: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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