Sensorless robust control of PMSM based on a closed-loop observer

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Abstract

Noting the different characters of interior permanent synchronous motors (IPMSM) in the stationary reference frame and the rotating reference frame, a closed-loop sliding-mode observer was designed to directly estimate the rotor position, based on which the rotor speed was estimated. Because the speed estimation errors do not affect the performance of the observer, the estimation accuracy of the observer is improved obviously. In consideration of the motors' operating performance degradation due to parameters perturbations and load disturbances, an adaptive sliding-mode controller based on integral switching function was designed and the speed control law was obtained by the Lyapunov stability analysis. The satisfactory control performance and the robustness of the system are verified by the simulation results.

Original languageEnglish
Title of host publicationProceedings 2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011
Pages978-981
Number of pages4
DOIs
StatePublished - 2011
Event2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011 - Changchun, China
Duration: 16 Dec 201118 Dec 2011

Publication series

NameProceedings 2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011

Conference

Conference2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011
Country/TerritoryChina
CityChangchun
Period16/12/1118/12/11

Keywords

  • IPMSM
  • adaptive sliding-mode control
  • sensorless control
  • sliding-mode observer

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