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Delayed Robust Non-fragile H Control

  • Bao-Lin Zhang
  • Qing-Long Han
  • Xian-Ming Zhang
  • Gong-You Tang
Chapter

Abstract

This chapter is concerned with a delayed non-fragile H control scheme for an offshore steel jacket platform subject to self-excited nonlinear hydrodynamic force and external disturbance. By intentionally introducing a time-delay into the control channel, a delayed robust non-fragile H controller is designed to reduce the vibration amplitudes of the offshore platform. The positive effects of time-delays on the non-fragile H control for the offshore platform are investigated. It is shown through simulation results that (i) the proposed delayed non-fragile H controller is effective to attenuate vibration of the offshore platform, (ii) the control force required by the delayed non-fragile H controller is smaller than the one by the delay-free non-fragile H controller, and (iii) the time-delays can be used to improve the control performance of the offshore platform.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Bao-Lin Zhang
    • 1
  • Qing-Long Han
    • 2
  • Xian-Ming Zhang
    • 2
  • Gong-You Tang
    • 3
  1. 1.China Jiliang UniversityHangzhouChina
  2. 2.Swinburne University of TechnologyMelbourneAustralia
  3. 3.Ocean University of ChinaQingdaoChina

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