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Robust Neural Network Controller Design for Traveling-Wave Type Ultrasonic Motor

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2 Author(s)
Chih-Hsien Yu ; Engineering Science Department, Cheng Kung University, R.O.C, fax: +886-6-2766549; e-mail: ; Tien-Chi Chen

The control and identification of a traveling-wave ultrasonic motor (TWUSM) using a neural network control scheme is described in this paper. A recurrent neural network (RNN) control scheme that uses continual online training to simultaneously identify and control the TWUSM is proposed. The control scheme utilizes two three-layer RNNs: one is a recurrent neural network identifier which captures the nonlinear dynamics of the plant system and the other is a recurrent neural network controller to provide the necessary control actions to achieve desired reference trajectory. Some experimental results reveal that the proposed control structure adapts and generalizes its learning to a wide range of operating conditions and provides promising results under system uncertainties and load changes.

Published in:

2006 IEEE International Conference on Systems, Man and Cybernetics  (Volume:3 )

Date of Conference:

8-11 Oct. 2006