LMI-Based Mixed H2/H.INF. Controller Design with Regional Pole Constraints for Damping Power System Oscillations

  • Hardiansyah
    Department of Electrical Engineering, Nagaoka University of Technology
  • Furuya Seizo
    Department of Electrical Engineering, Nagaoka University of Technology
  • Irisawa Juichi
    Department of Electrical Engineering, Nagaoka University of Technology

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  • LMI-Based Mixed H2/H∞ Controller Design with Regional Pole Constraints for Damping Power System Oscillations
  • LMI Based Mixed H2 H Controller Design with Regional Pole Constraints for Damping Power System Oscillations

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This paper presents the mixed H2/H controller 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) and a multimachine 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.

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