• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 5
Oct.  2007
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Article Contents
LU Ke, XIAO Jian. Multirate Extended Kalman Filter and Its Application to Speed Estimation of Induction Motors[J]. Journal of Southwest Jiaotong University, 2007, 20(5): 620-625.
Citation: LU Ke, XIAO Jian. Multirate Extended Kalman Filter and Its Application to Speed Estimation of Induction Motors[J]. Journal of Southwest Jiaotong University, 2007, 20(5): 620-625.

Multirate Extended Kalman Filter and Its Application to Speed Estimation of Induction Motors

  • Received Date: 08 Sep 2006
  • Publish Date: 25 Oct 2007
  • Based on an analysis on algorithm of extended Kalman filters(EKFs) and multirate digital control systems,a multirate EKF algorithm was proposed,including the input and output algorithms.The algorithms were applied to speed estimation for induction motors.Simulation results reveal that the proposed algorithms have better abilities in information access,state estimation and noise reduction than a singlerate algorithm does,and that the decrease in error is 41.4% to 87.6% compared with the singlerate algorithm.

     

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