Analysis and Application of the Direct Flux Control Sensorless Technique to Low-Power PMSMs

Emanuele Grasso, Marco Palmieri, Riccardo Mandriota, Francesco Cupertino, Matthias Nienhaus and Stephan Kleen
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Emanuele Grasso: Lehrstuhl für Antriebstechnik, Universität des Saarlandes, 66123 Saarbrücken, Germany
Marco Palmieri: Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, 70126 Bari, Italy
Riccardo Mandriota: Lehrstuhl für Antriebstechnik, Universität des Saarlandes, 66123 Saarbrücken, Germany
Francesco Cupertino: Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, 70126 Bari, Italy
Matthias Nienhaus: Lehrstuhl für Antriebstechnik, Universität des Saarlandes, 66123 Saarbrücken, Germany
Stephan Kleen: Lehrstuhl für Antriebstechnik, Universität des Saarlandes, 66123 Saarbrücken, Germany

Energies, 2020, vol. 13, issue 6, 1-27

Abstract: In the field of sensorless control of permanent magnet synchronous motors (PMSMs), different techniques based on machine anisotropies have been studied and implemented successfully. Nevertheless, most proposed approaches extract the rotor position information from the measured machine currents, that, when applied to low-power machines, might require high-bandwidth current sensors. An interesting alternative is given by sensorless techniques that exploit the star-point voltage of PMSMs, such as the direct flux control technique. This work aims at analyzing the conditions of applicability of such technique by considering a more thorough description of the machine inductance matrix. After a comprehensive mathematical description of the technique and characterization of the machine anisotropy information that is extracted from the star-point voltage, simulation as well as experimental results conducted on a test machine are presented and discussed in order to validate the proposed theory.

Keywords: synchronous motor; PMSM; sensorless technique; motor control; motor drive; inductance matrix; direct flux control (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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