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Resilient Fixed-Order Distributed Dynamic Output Feedback Load Frequency Control Design for Interconnected Multi-Area Power Systems

查看全文 作　　者：Ali [1]Azarbahram;Amir [2]Amini;Mahdi [3]Sojoodi 高影响力作者 机构地区：[1]the Department of Electrical and Computer Engineering,Ferdowsi University of Mashhad,Mashhad,Iran;[2]the Department of Electrical and Computer Engineering,Concordia University,Montreal,QC,Canada;[3]the Faculty of Electrical and Computer Engineering,Tarbiat Modares University,Tehran,14115-143,Iran高影响力机构 出　　处：《IEEE/CAA Journal of Automatica Sinica》索引2019年第6卷第5期,共13页高影响力期刊 摘　　要：The paper proposes a novel H∞ load frequency control(LFC) design method for multi-area power systems based on an integral-based non-fragile distributed fixed-order dynamic output feedback(DOF) tracking-regulator control scheme. To this end, we consider a nonlinear interconnected model for multiarea power systems which also include uncertainties and timevarying communication delays. The design procedure is formulated using semi-definite programming and linear matrix inequality(LMI) method. The solution of the proposed LMIs returns necessary parameters for the tracking controllers such that the impact of model uncertainty and load disturbances are minimized. The proposed controllers are capable of receiving all or part of subsystems information, whereas the outputs of each controller are local. These controllers are designed such that the resilient stability of the overall closed-loop system is guaranteed. Simulation results are provided to verify the effectiveness of the proposed scheme. Simulation results quantify that the distributed(and decentralized) controlled system behaves well in presence of large parameter perturbations and random disturbances on the power system. 关 键 词：Dynamic OUTPUT FEEDBACK CONTROL interconnected multi-area POWER systems LOAD frequency CONTROL linear matrix INEQUALITIES POWER system CONTROL
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