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Sliding mode H-infinity control for offshore steel jacket platforms subject to nonlinear self-excited wave force and external disturbance

journal contribution
posted on 06.12.2017, 00:00 by Baolin ZhangBaolin Zhang, L Ma, Qing-Long HanQing-Long Han
This paper is concerned with sliding mode H∞ control for an offshore steel jacket platform subject to nonlinear self-excited wave force and external disturbance. A sliding mode H∞ controller is designed to reduce the oscillation amplitudes of the offshore platform. In the case that the dynamic model of the offshore platform is subject to parameter perturbations, a robust sliding mode H∞ control scheme is proposed. It is found through simulation results that (i) compared with an H∞ controller and a sliding mode controller, the sliding mode H∞ controller requires much less control force, and (ii) the oscillation amplitudes of the offshore platform under the sliding mode H∞ controller are less than those under the sliding mode controller.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

14

Issue

1

Start Page

163

End Page

178

Number of Pages

16

ISSN

1468-1218

Location

United Kingdom

Publisher

Elsevier

Language

en-aus

Peer Reviewed

Yes

Open Access

No

Era Eligible

Yes

Journal

Nonlinear analysis : real world applications.