Abstract

; > This paper presents multiobjective H 2 /H ∞ control design with regional pole constraints for damping power system oscillations. The state feedback gain can be obtained by solving a linear matrix inequality (LMI) feasibility problem that robustly assigns the closed-loop poles in a prescribed LMI region. The proposed technique is illustrated with applications to the design of stabilizer for a typical single-machine infinite-bus (SMIB) power system. The LMI-based control ensures adequate damping for widely varying system operating conditions. The simulation results illustrate the effectiveness and robustness of the proposed stabilizer. Keywords: multiobjective H 2 / H ∞ control, regional pole constraints, linear matrix inequality, power system stabilizer, robust control

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