PSO control used for magnetorheological intelligent structures

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (9) : 59-63.

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PSO control used for magnetorheological intelligent structures

GUO Ying-qing1; XU Zhao-dong2; FEI Shu-min3; CHEN Yong1

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Abstract

In the course of the vibration mitigation control of structures with magnetorheological (MR) dampers, the displacement and the acceleration responses are two important control targets. That is, the vibration mitigation control of structures with MR dampers is a multi-objective optimization control. Therefore, in this paper the particle swarm optimization (PSO) algorithm is used to control the displacement and the acceleration responses simultaneously. Numerical analysis for a five-floor structure with one MR damper installed on each floor is carried out under the PSO algorithm, the ON control algorithm and the OFF control algorithm respectively. It can be concluded that the PSO algorithm can reduce the displacement responses of the structure obviously, at the same time, it can reduce the acceleration responses of the structure to a certain extent.

Key words

magnetorheological dampers / magnetorheological intelligent structure / particle swarm optimization

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GUO Ying-qing;XU Zhao-dong;FEI Shu-min;CHEN Yong. PSO control used for magnetorheological intelligent structures[J]. Journal of Vibration and Shock, 2011, 30(9): 59-63