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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/118109


    Title: Design And Development of An Active Suspension System Using Pneumatic-Muscle Actuator And Intelligent Control
    Authors: Li, I-Hsum;Lee, Lian-Wang
    Keywords: active suspension systems;pneumatic muscles;sliding mode control;fourier neural network;H∞ tracking performance
    Date: 2019-10-20
    Issue Date: 2020-02-17 12:10:53 (UTC+8)
    Publisher: MDPI
    Abstract: A pneumatic muscle is a cheap, clean, and high-power active actuator. However, it is difficult
    to control due to its inherent nonlinearity and time-varying characteristics. This paper presents a
    pneumatic muscle active suspension system (PM-ASS) for vehicles and uses an experimental study to
    analyze its stability and accuracy in terms of reducing vibration. In the PM-ASS, the pneumatic muscle
    actuator is designed in parallel with two MacPherson struts to provide a vertical force between the
    chassis and the wheel. This geometric arrangement allows the PM-ASS to produce the maximum force
    to counter road vibration and make the MacPherson struts generate significant improvement. In terms
    of the controller design, this paper uses an adaptive Fourier neural network sliding-mode controller
    with H∞ tracking performance for the PM-ASS, which confronts nonlinearities and time-varying
    characteristics. A state-predictor is used to predict the output error and to provide the predictions for
    the controller. Experiments with a rough concave-convex road and a two-bump excitation road use
    a quarter-car test rig to verify the practical feasibility of the PM-ASS, and the results show that the
    PM-ASS gives an improvement the ride comfort.
    Relation: Applied Sciences 9(20), 4453
    DOI: 10.3390/app9204453
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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