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Iterative Learning Control of Hysteresis in Piezoelectric Actuators

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  • Guilin Zhang
  • Chengjin Zhang
  • Chaoyang Wang

Abstract

We develop convergence criteria of an iterative learning control on the whole desired trajectory to obtain the hysteresis-compensating feedforward input in hysteretic systems. In the analysis, the Prandtl-Ishlinskii model is utilized to capture the nonlinear behavior in piezoelectric actuators. Finally, we apply the control algorithm to an experimental piezoelectric actuator and conclude that the tracking error is reduced to 0.15% of the total displacement, which is approximately the noise level of the sensor measurement.

Suggested Citation

  • Guilin Zhang & Chengjin Zhang & Chaoyang Wang, 2014. "Iterative Learning Control of Hysteresis in Piezoelectric Actuators," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-6, May.
    • Handle: RePEc:hin:jnlmpe:856706
    DOI: 10.1155/2014/856706
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