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1 April 2014 Semi-active controller design for vibration suppression and energy harvesting via LMI approach
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Abstract
The vibration control plays an important role in energy harvesting systems. Compared to the active control, semi-active control is a more preferred alternative for practical use. Many different semi-active control strategies have been developed, among which LQ-clip, Skyhook and model predictive control are the most popular strategies in literatures. In this paper, a different control strategy that designs semi-active controller via LMI approach is proposed. Different from clipping the control input after controller construction like most existing control methods, the proposed method fulfills the semi-active control input feasibility constraints before the controller construction. The methodology is developed through LMI approach which leads to a stabilizing linear controller to ensure semi-active constraint and the pre-designed performance. An illustrative example, vibration control system of a tall building, is presented to show the efficiency of the method and validate the new approach.
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Yilun Liu, Chi-Chang Lin, and Lei Zuo "Semi-active controller design for vibration suppression and energy harvesting via LMI approach", Proc. SPIE 9057, Active and Passive Smart Structures and Integrated Systems 2014, 905733 (1 April 2014); https://doi.org/10.1117/12.2045223
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