Online parameter estimation of PMSM in EV powertrain Including thermal measurements

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Abstract

This paper proposes an online motor-parameter-estimator for a permanent magnet synchronous motor (PMSM) in an electric vehicle (EV) powertrain. The proposed method uses a recursive least squares filter approach in combination with the discrete time dynamic voltage equations. Stator resistance estimation is decoupled from the estimator using thermal measurements. Compared to conventional approach, the proposed method is more reliable and less noisy since it does not rely on the low contribution of stator resistance in the voltage equation. Both simulations and experiments are carried out to validate the proposed method. A sensitivity analysis shows the approach is robust against rotor position error.

Original languageEnglish
Title of host publicationProceedings 2019 IEEE Transportation Electrification Conference and Expo (ITEC)
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-5386-9310-0
ISBN (Print)978-1-5386-9311-7
DOIs
Publication statusPublished - 2019
Event2019 IEEE Transportation Electrification Conference and Expo, ITEC 2019 - Novi, United States
Duration: 19 Jun 201921 Jun 2019

Conference

Conference2019 IEEE Transportation Electrification Conference and Expo, ITEC 2019
Country/TerritoryUnited States
CityNovi
Period19/06/1921/06/19

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care  Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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