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High-Performance Speed Control of Induction Motor Using Combined LSSVM Inverse System

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 113)

Abstract

In this paper, a new speed control method based on combined least squares support vector machines (LSSVM) inverse system for induction motor is proposed. It is characterized by that feedback of rotor flux and inverse model building are combined through LSSVM training and fitting. Firstly, LSSVM is used to build the inverse model of induction motor from the input–output data, and the inverse mode is served as the basis for the inverse controller design. The combined LSSVM inverse is composed of a LSSVM to approximate nonlinear mapping, an integrator and a differentiator. Cascading the LSSVM inverse with induction motor, induction motor system is transformed to a pseudo-linear system. Finally, simulation of the control method is performed to validate its feasibility. The results show that presented method has clear dynamic structure, which is effective for induction motor control.

Keywords

Induction motor Speed control Rotor flux Stator current Least squares support vector machines inverse 

Notes

Acknowledgments

This work was supported by the National Natural Science Foundation of China (NSFC) under Grant 60874014 and 51077066, Science Foundation of Jiangsu Province under Grant BK2010327, and Graduate Education Innovation Project of Jiangsu Province under Grant CX09B_201Z.

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Yi Zhang
    • 1
  • Guohai Liu
    • 1
  • Haifeng Wei
    • 2
  • Wenxiang Zhao
    • 1
  1. 1.School of Electrical and Information EngineeringJiangsu UniversityZhenjiangChina
  2. 2.School of Electrical and InformationJiangsu University of Science and TechnologyZhenjiangChina

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