Passivity-based nonlinear dynamic output feedback design: a semidefinite programming approach

In this paper a nonlinear dynamic output feedback design for the class of polynomial control systems is proposed. The feedback design combines feedback passivation and semidefinite programming, two well known concepts from control theory and optimization. In particular, feedback passivation is used to formulate a nonlinear dynamic output feedback design for polynomial control systems as a semidefinite program. The feedback design is applied to stabilize an electrostatic microactuator.

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