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Finite Frequency Vibration Control for Polytopic Active Suspensions via Dynamic Output Feedback

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  • Yifu Zhang
  • Gongdai Liu
  • Pinchao Wang
  • Hamid Reza Karimi

Abstract

This paper presents a disturbance attenuation strategy for active suspension systems with frequency band constraints, where dynamic output feedback control is employed in consideration that not all the state variables can be measured on-line. In view of the fact that human are sensitive to the virbation between 4–8 Hz in vertical direction, the control based on generalized Kalman-Yakubovich-Popov (KYP) lemma is developed in this specific frequency, in order to achieve the targeted disturbance attenuation. Moreover, practical constraints required in active suspension design are guaranteed in the whole time domain. At the end of the paper, the outstanding performance of the system using finite frequency approach is confirmed by simulation.

Suggested Citation

  • Yifu Zhang & Gongdai Liu & Pinchao Wang & Hamid Reza Karimi, 2013. "Finite Frequency Vibration Control for Polytopic Active Suspensions via Dynamic Output Feedback," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-12, September.
    • Handle: RePEc:hin:jnlmpe:598489
    DOI: 10.1155/2013/598489
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