An extended kalman filter observer for the direct torque controlled interior permanent magnet synchronous motor DRIVE

Zhuang Xu, M. F. Rahman

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

This work focuses on an accurate Extended Kalman Filter (EKF) observer which estimates speed, position, stator flux linkage and torque for interior permanent magnet synchronous motors (IPMSM), over a wide speed range including the very low speed region. The EKF observer is basically a stochastic observer for the recursive optimal state estimation of a non-linear, time-variant, dynamical system like IPMSM in real time by using signals that are corrupted by noise. The EKF has robustness to parameter variations, model inaccuracy and measurement noises. Realistic simulations accounting for the inaccuracy of an actual digital signal processor (DSP) implementation are presented.

Original languageEnglish
Title of host publicationIPEC 2003 - 6th International Power Engineering Conference
Pages331-336
Number of pages6
Publication statusPublished - 2003
Externally publishedYes
EventIPEC 2003 - 6th International Power Engineering Conference - , Singapore
Duration: 27 Nov 200329 Nov 2003

Publication series

NameIPEC 2003 - 6th International Power Engineering Conference

Conference

ConferenceIPEC 2003 - 6th International Power Engineering Conference
Country/TerritorySingapore
Period27/11/0329/11/03

Keywords

  • Direct torque control
  • Extended Kalman Filter (EKF)
  • IPMSM

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • General Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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