Estimation of Angular Velocity and Position of a Permanent Magnet Synchronous Motor Using Discrete-Time Extended Kalman Filter and Hybrid Extended Kalman Filter

Document Type : Original Article

Authors

1 Malek Ashtar University of Technology (MUT), Tehran, Iran

2 Sharif University of Technology, Tehran, Iran

Abstract

In this paper we analyze the permanent magnet synchronous motor. The state equations governing the permanent magnet synchronous motor are nonlinear, so the angular position and velocity of its rotor are estimated using nonlinear filters. Since the current passing through the armature is measurable, this measurement is used to estimate system states (i.e. angular position and angular velocity). Discrete extended Kalman filter and hybrid extended Kalman filter algorithms are presented. The comparison between simulation results of rotor’s position and velocity estimation using discrete extended Kalman filter and hybrid Kalman filter shows that hybrid Kalman filter estimator has better performance.

Keywords

References

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Transactions on Machine Intelligence
Volume 3, Issue 1
October 2020
Pages 23-33

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History

  • Receive Date: 25 February 2020
  • Revise Date: 15 March 2020
  • Accept Date: 28 May 2020

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