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This paper is concerned with the problem of the robust sampled-data H∞ control for an offshore steel jacket platform subject to the self-excited wave force and the external disturbance. First, by using the input delay method, the corresponding closed-loop system with the sampling measurements is transformed into a continuous-time system. Then, based on a Lyapunov functional, the H∞ performance is...
A novel industrial approach on application of μ-synthesis controller based on Quantitative Feedback Theory (QFT) tuning strategy for plate rolling Automatic Gauge Control (AGC) system is proposed in this paper. To the mill stiffness uncertainties and nonlinear parts, the dual-perturbation AGC model design is presented. The integration of optimal μ-synthesis and manual tuning in the QFT design environment...
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