Abstract
In this chapter, sliding mode H ∞ control for an offshore steel jacket platform subject to nonlinear self-excited wave force and external disturbance is developed. A sliding mode H ∞ controller is designed to reduce 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 compared with an H ∞ controller and a sliding mode controller, the sliding mode H ∞ controller requires much less control force; and the oscillation amplitudes of the offshore platform under the sliding mode H ∞ controller are less than those under the sliding mode controller.
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Zhang, BL., Han, QL., Zhang, XM., Tang, GY. (2019). Integral Sliding Mode H∞ Control. In: Active Control of Offshore Steel Jacket Platforms. Springer, Singapore. https://doi.org/10.1007/978-981-13-2986-9_4
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DOI: https://doi.org/10.1007/978-981-13-2986-9_4
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