Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/1315

 Title: Fopid Controller Design for Robust Performance Using Particle Swarm Optimization Authors: Zamani, MajidKarimi-Ghartemani, MasoudSadati, Nasser Keywords: FOPID ControllerRobust PerformanceParticle Swarm Optimization26A3393C1593C5593B3693B3593B5103B4270Q0549N05 Issue Date: 2007 Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences Citation: Fractional Calculus and Applied Analysis, Vol. 10, No 2, (2007), 169p-187p Abstract: This paper proposes a novel method to design an H∞ -optimal fractional order PID (FOPID) controller with ability to control the transient, steady-state response and stability margins characteristics. The method uses particle swarm optimization algorithm and operates based on minimizing a general cost function. Minimization of the cost function is carried out subject to the H∞ -norm; this norm is also included in the cost function to achieve its lower value. The method is applied to a phase-locked-loop motor speed system and an electromagnetic suspension system as two examples to illustrate the design procedure and verify performance of the proposed controller. The results show that the proposed method is capable of improving system responses as compared to the conventional H∞ -optimal controller while still maintains the H∞ -optimality of the solutions. Description: Mathematics Subject Classification: 26A33; 93C15, 93C55, 93B36, 93B35, 93B51; 03B42; 70Q05; 49N05 URI: http://hdl.handle.net/10525/1315 ISSN: 1311-0454 Appears in Collections: 2007

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