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This paper is concerned with network-based H∞ control for an offshore steel jacket platform subject to nonlinear wave-induced force and external disturbance. A network-based dynamic model of the offshore platform with an active tuned mass damper mechanism is presented, and a network-based H∞ control scheme is presented to attenuate the vibration of the offshore platform. The effects of the network-induced...
The observer-based active control for offshore steel jacket structure subject to wave-induced force is considered. Using Lyapunov theory, a sufficient condition for stabilization of the offshore platform system is given in the term of linear matrix inequality (LMI). The feedback controller and the observer gains can be obtained from the LMI formulations. A numerical simulation is given to illustrate...
This paper is concerned with sliding mode control of offshore steel jacket platforms subject to nonlinear wave-induced forces. Two sliding mode control schemes are proposed to reduce the oscillation amplitudes of the platforms. One scheme is that a conventional sliding mode controller (SMC) is designed, under the SMC the oscillation amplitudes of the platform are effectively reduced; however, a very...
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