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Rotor Position Estimation for Permanent Magnet Synchronous Machines using Electromotive Force and Anisotropy Using Extended-Kalman-Filter

  • In this paper a new rotor position observer for permanent magnet synchronous machines (PMSM) based on an Extended-Kalman-Filter (EKF) is presented. With this method, just one single EKF is sufficent to evaluate the position information from electromotive force (EMF) and anisotropy. Thus, the PMSM can be controlled for the entire speed range without a position sensor and without the need to switch or synchronize between different observers. The approach covers online estimation of permanent magnetic field and mechanical load. The resulting EKF-based rotor position estimator is embedded in the existing cascaded control concept of the PMSM without need of additional angle trackers or signal filters. The experimental validation for the position sensorless control shows optimized dynamic behaviour.

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Author:Nils WilckenORCiD, Martin GrotjahnORCiDGND
DOI original:https://doi.org/10.1007/s10010-023-00660-z
Parent Title (English):Forschung im Ingenieurwesen
Document Type:Article
Year of Completion:2023
Publishing Institution:Hochschule Hannover
Release Date:2023/07/18
Tag:Anisotropie; Electromotive Force; Extended-Kalman-Filter; PMSM; Position Sensorless Control; Selfsensing
GND Keyword:Dauermagneterregte Synchronmaschine; Elektromotorische Kraft; Anisotropie
Page Number:10
Link to catalogue:1885324812
Institutes:Fakult├Ąt II - Maschinenbau und Bioverfahrenstechnik
DDC classes:621.3 Elektrotechnik, Elektronik
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International