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TECHNICAL BRIEFS

Precision Control of a Piezoceramic Actuator Using Neural Networks

[+] Author and Article Information
Ying-Shieh Kung

Department of Electrical Engineering, Southern Taiwan University of Technology, 1 Nan-Tai St., Yung-Kang City, Tainan Hsien, Taiwan 710, ROC

Rong-Fong Fung

Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, 1 University Road, Yenchau, Kaohsiung, Taiwan 824, ROC

J. Dyn. Sys., Meas., Control 126(1), 235-238 (Apr 12, 2004) (4 pages) doi:10.1115/1.1651535 History: Revised August 27, 2003; Online April 12, 2004
Copyright © 2004 by ASME
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References

King,  T. G., Preston,  M. E., Murphy,  B. J. M., and Cannell,  D. S., 1990, “Piezoelectric Ceramic Actuators: A Review of Machinery Applications,” Prec. Eng., 12(3), pp. 131–136.
Jung,  S., and Kim,  S., 1994, “Improvement of Scanning Accuracy of PZT Piezoelectric Actuators by Feedforward Model-reference Control,” Prec. Eng., 16(1), pp. 49–55.
Mayergoyz, I., 1991, Mathematical Models of Hysteresis, New York: Springer-Verlag.
Ge,  P., and Jouaneh,  M., 1995, “Modeling Hysteresis in Piezoceramic Actuators,” Pre. Eng., 17(3), pp. 211–221.
Principe, J. C., Euliano, N. R. and Lefebvre, W. C., 2000, Neural and Adaptive System-Fundamentals Through Simulations, John Wiley & Sons, Inc.

Figures

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(a) The hysteresis loop of the PA with ascending branch. (b) The region R+(t) corresponds to the hysteresis loop.
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The reversal curve of expansion displacements of the PA
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The neural networks feedforward and PI feedback controllers
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Comparison the output responses of an open-loop system and the proposed NN+PI controller with a square wave command
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Comparison of a PI controller alone and a NN+PI controller for tracking a 100 Hz sinusoid input signal. (– Sinusoid Command, [[dot_dash_line]] NN+PI controller, [[dashed_line]]PI Controller alone)

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