engleski

Numerical Algorithm for Nonlinear State Feedback H_infinity Optimal Control Problem

In this paper, the numerical algorithm based on conjugate gradient method to solve a finite- horizon min-max optimization problem arising in the H_infinity control of nonlinear systems is presented. The feedback control and disturbance variables are formulated as a linear combination of basis functions. The proposed algorithm, which has a backward-in-time structure, directly finds very accurate approximations of these feedbacks. Benchmark examples with analytic solutions are provided to demonstrate the effectiveness of the proposed algorithm.

Optimisation; Nonlinear systems

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