Reflection-based technique for synthesis of structured controllers with guaranteed local convergence
Résumé
This paper deals with stabilization, H2 and H∞ static feedback synthesis, under
information structure constraints. The proposed approach relies on a prominent
property of Hurwitz-stable matrices set and a Douglas-Rachford (DR) reflection
method type for finding a point in the intersection of two closed sets. The method
proposed in this paper emulates the genericity of the Linear Matrix Inequalities
framework while keeping the feedback gain separated from any matrix with direct
or indirect connection to the Lyapunov function. The link between the sequence of
iterates generated by the proposed algorithm and a continuous dynamical system
results in the use of Lyapunov stability theory for guaranteeing the convergence.
Several examples are given to prove the validity of the proposed method.
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