PSO based decentralized robust power system stabilizer for a multi-machine power system

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dc.contributor.authorKaitwanidvilai, Somyot
dc.contributor.authorUssawapusitgul, Chanchai
dc.contributor.authorLimcharoen, Worrakan
dc.date.accessioned2026-08-06T10:04:23Z
dc.date.available2026-08-06T10:04:23Z
dc.date.issued2012-06-12
dc.description.abstractThis paper presents a new technique to design a robust Power System Stabilizer (PSS) in multi-machine power system. The Particle Swarm Optimization (PSO) is adopted to find the optimal parameters of the predefined structure decentralized controller. The main objectives of this research are to reduce the oscillation and to increase the overall robust performance of the system. The proposed technique adopts the stability margin (ε) as the index of robustness and performance of the controlled system. In addition, the optimal weight selection, which is a difficult process of the robust loop shaping design, can be achieved by the proposed technique. In this paper, the performance of the proposed controller is investigated in the standard IEEE four generators system in comparison with the classical robust loop shaping control. The results of rotor speed deviation of generators by the proposed PSS and the conventional PSS verify the effectiveness of the proposed algorithm.
dc.identifier.citationProceedings of the IASTED Asian Conference on Power and Energy Systems Asiapes 2012, 170-175, 2012
dc.identifier.doi10.2316/P.2012.768-098
dc.identifier.other2-s2.0-84861958443
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/4231
dc.sourceProceedings of the IASTED Asian Conference on Power and Energy Systems Asiapes 2012
dc.subjectEigen value
dc.subjectInter-area oscillation
dc.subjectParticle swarm optimization
dc.subjectPower system stabilizers
dc.titlePSO based decentralized robust power system stabilizer for a multi-machine power system
dc.typeConference Paper

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