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TECHNICAL PAPERS

Robust Tracking Control of a Piezoactuator Using a New Approximate Hysteresis Model

[+] Author and Article Information
Meng-Shiun Tsai, Jin-Shin Chen

Department of Mechanical Engineering, National Chung Cheng University, Chia-Yi, 621, Taiwan, R.O.C.

J. Dyn. Sys., Meas., Control 125(1), 96-102 (Mar 10, 2003) (7 pages) doi:10.1115/1.1540114 History: Received November 01, 2001; Revised August 01, 2002; Online March 10, 2003
Copyright © 2003 by ASME
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References

Figures

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Piezoactuator-mass system
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Block diagram of a piezostack-mass system
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Bode plots of the identified model and experimental results
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Comparisons of the input-output loop between the experimental results and the simulation results
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Hysteresis loop for the sinusoidal input at 10 Hz
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Ratio of the output and input under different excitation frequencies
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Block diagram of the system with Smith predictor
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Equivalent block diagram of the piezoactuator system with Smith predictor
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Block diagram with weighting functions
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Frequency response functions of the weighting functions
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Linear fractional representation of control system
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Generic LFT system model, a control problem of “M-Δ” problem
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Frequency response of the Smith predictor based robust controller
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Block diagram of the closed loop system
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Comparison of the simulation results and experimental results
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Time domain response of tracking control of a 10-Hz sinusoidal waveform input
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Experimental results of tracking control of a 50-Hz sinusoidal waveform reference input
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Experimental results of tracking control of a 50-Hz band-limited random signal

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