Prandtl-Ishlinskii model-based adaptive feedforward control for piezoelectric-stack-actuator-driven systems

Jin Wei Liang, Hung Yi Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a Prandtl-Ishlinskii (PI) model-based adaptive feedforward controller is proposed to overcome hysteretic behaviors of a piezoelectric-stack-actuator (PSA)-driven system. The feedforward control design is centered on the PI inverse hysteresis model. In addition, in order to capture the rate-dependent characteristics of the PSA-driven system, a normalized least mean-squares (NLMS) algorithm is adopted to online identify optimal weight vectors of the PI hysteresis models. The identified PI hysteresis model is then utilized to compute the inverse PI model. The feedforward controller can be designed accordingly. Tracking experiments focusing on sinusoidal and random-like signals were performed on a high-stiffness flexible micro-positioning system driven by a PSA. The experimental results show that the tracking accuracy is significantly improved using solely open-loop feedforward control in comparison with traditional open-loop control without compensation.

Original languageEnglish
Title of host publicationProceedings - 2016 International Conference on Artificial Intelligence and Robotics, ICAIR 2016 and 2016 International Conference on Automation, Control and Robotics Engineering, CACRE 2016
EditorsDan Zhang, Marius Balas, Tshilidzi Marwala, Tshilidzi Marwala, Jongwon Kim
PublisherAssociation for Computing Machinery
ISBN (Electronic)9781450342353
DOIs
StatePublished - 13 07 2016
Externally publishedYes
Event2016 International Conference on Artificial Intelligence and Robotics, ICAIR 2016 and 2016 International Conference on Automation, Control and Robotics Engineering, CACRE 2016 - Kitakyushu, Japan
Duration: 13 07 201615 07 2016

Publication series

NameACM International Conference Proceeding Series
Volume13-15-July-2016

Conference

Conference2016 International Conference on Artificial Intelligence and Robotics, ICAIR 2016 and 2016 International Conference on Automation, Control and Robotics Engineering, CACRE 2016
Country/TerritoryJapan
CityKitakyushu
Period13/07/1615/07/16

Bibliographical note

Publisher Copyright:
© 2016 ACM.

Keywords

  • Adaptive feedforward control
  • Normalized least mean-squares (NLMS)
  • Prandtl-Ishlinskii hysteresis model

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