Improved adaptive control of SMA Actuator based on inverse hysteresis compensation

Hongyan Luo, Qingyun Yang, Eric Abel, Zhigang Wang, Y.J. Liao

    Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

    Abstract

    Shape memory alloys have become the most promising construction material for smart actuators in diverse applications. However, their highly nonlinear hysteresis behaviour sets the main barriers in precise motion control. This paper presents an adaptive MKP control scheme based on a feed-forward compensator using the inverse of the modified KP model and the selective parameter adaptation law, to realize dynamic hysteresis compensation for real-time applications. The performance of the proposed control scheme was evaluated experimentally. The results indicate that such an improved adaptive control scheme is characterized by the reduced computation, rapid parameter convergence and effective hysteresis linearization.
    Original languageEnglish
    Title of host publicationApplied Mechanics and Materials
    Pages1771-1776
    Number of pages6
    Volume52-54
    DOIs
    Publication statusPublished - 2011

    Fingerprint

    Hysteresis
    Actuators
    Motion control
    Shape memory effect
    Linearization
    Compensation and Redress

    Cite this

    Luo, H., Yang, Q., Abel, E., Wang, Z., & Liao, Y. J. (2011). Improved adaptive control of SMA Actuator based on inverse hysteresis compensation. In Applied Mechanics and Materials (Vol. 52-54, pp. 1771-1776) https://doi.org/10.4028/www.scientific.net/AMM.52-54.1771
    Luo, Hongyan ; Yang, Qingyun ; Abel, Eric ; Wang, Zhigang ; Liao, Y.J. / Improved adaptive control of SMA Actuator based on inverse hysteresis compensation. Applied Mechanics and Materials. Vol. 52-54 2011. pp. 1771-1776
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    Luo, H, Yang, Q, Abel, E, Wang, Z & Liao, YJ 2011, Improved adaptive control of SMA Actuator based on inverse hysteresis compensation. in Applied Mechanics and Materials. vol. 52-54, pp. 1771-1776. https://doi.org/10.4028/www.scientific.net/AMM.52-54.1771

    Improved adaptive control of SMA Actuator based on inverse hysteresis compensation. / Luo, Hongyan; Yang, Qingyun; Abel, Eric; Wang, Zhigang; Liao, Y.J.

    Applied Mechanics and Materials. Vol. 52-54 2011. p. 1771-1776.

    Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

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    AU - Abel, Eric

    AU - Wang, Zhigang

    AU - Liao, Y.J.

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    AB - Shape memory alloys have become the most promising construction material for smart actuators in diverse applications. However, their highly nonlinear hysteresis behaviour sets the main barriers in precise motion control. This paper presents an adaptive MKP control scheme based on a feed-forward compensator using the inverse of the modified KP model and the selective parameter adaptation law, to realize dynamic hysteresis compensation for real-time applications. The performance of the proposed control scheme was evaluated experimentally. The results indicate that such an improved adaptive control scheme is characterized by the reduced computation, rapid parameter convergence and effective hysteresis linearization.

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    Luo H, Yang Q, Abel E, Wang Z, Liao YJ. Improved adaptive control of SMA Actuator based on inverse hysteresis compensation. In Applied Mechanics and Materials. Vol. 52-54. 2011. p. 1771-1776 https://doi.org/10.4028/www.scientific.net/AMM.52-54.1771