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H control based on state observer for vibration isolation platform system

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3 Author(s)
Liu Hong ; KONKA GROUP Co., Ltd., Shenzhen, China ; Gao Fengyu ; Zhang Ying

Based on a microvibration isolation platform system dynamic model, the problem of robust H control for such system is investigated, which contains parametric uncertainties and external disturbances. An H state-feedback controller based on observers is designed via a Lyapunov approach. The conditions for admissible controllers are formulated in the form of linear matrix inequalities (LMIs), and the controller design is cast into a convex optimization problem subject to LMI and equation constraints. An illustrative example is provided to show the effectiveness of the proposed control design method.

Published in:

Control Conference (CCC), 2011 30th Chinese

Date of Conference:

22-24 July 2011