Synthesis of State-Estimate Feedback Controllers with Very Low L2-Sensitivity Using Orthonormal Ladder Filter Structures

概要

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For a continuous-time linear system, a measure for evaluating the L2-sensitivity of a closed-loop transfer function with respect to the coefficients of a state-estimate feedback controller is presented by using a pure L2 norm and taking into account 0, ±1 coefficients. A technique is then developed for synthesizing a state-estimate feedback controller in orthonornal ladder filter structure with several 0 coefficients. Finally, through a numerical example it is shown that the state-estimate feedback controller realized in orthonornal ladder filter structure has very low L2-sensitivity.
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