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ANN Rotor Resistance Estimation of Induction Motor Drive using Multi-AFLC

다중 AFLC를 이용한 유도전동기 드라이브의 ANN 회전자저항 추정

  • 고재섭 (순천대학교 대학원 전기제어공학과) ;
  • 최정식 (전자부품연구원) ;
  • 정동화 (순천대학교 정보통신공학부)
  • Received : 2010.06.28
  • Accepted : 2011.02.23
  • Published : 2011.04.30

Abstract

This paper is proposed artificial neural network(ANN) rotor resistance estimation of induction motor drive controlled by multi-adaptive fuzzy learning controller(AFLC). A simple double layer feedforward ANN trained by the back-propagation technique is employed in the rotor resistance identification. In this estimator, double models of the state variable estimations are used; one provides the actual induction motor output states and the other gives the ANN model output states. The total error between the desired and actual state variables is then back propagated to adjust the weights of the ANN model, so that the output of this model tracks the actual output. When the training is completed, the weights of the ANN correspond to the parameters in the actual motor. The estimation and control performance of ANN and multi-AFLC is evaluated by analysis for various operating conditions. Also, this paper is proposed the analysis results to verify the effectiveness of this controller.

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