SEMI-ACTIVE FUZZY CONTROL OF MR DAMPER ON STRUCTURES BY GENETIC ALGORITHM

被引：13

作者：

Huang, Z. -S. ^{[2
]}

Wu, C. ^{[1
]}

Hsu, D. -S. ^{[3
]}

机构：

[1] Sci & Technol Policy Res & Informat Ctr, Taipei 10636, Taiwan

[2] Natl Cheng Kung Univ, Dept Civil Engn, Tainan 70101, Taiwan

[3] Leader Univ, Dept Construct Technol, Tainan 70970, Taiwan

来源：

JOURNAL OF MECHANICS | 2009年 / 25卷 / 01期

关键词：

Semi-active control; Fuzzy theory; MR damper; Genetic algorithm;

D O I：

10.1017/S172771910000366X

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The magnetorheological (MR) damper is a new device proposed for structural protection. It is filled with MR fluid that can be changed, when exposed to a magnetic field, regularly from free flowing liquid, linear viscous one to semi-solid. A phenomenological model based on the Bouc-Wen hysteresis model is adopted to predict both the force-displacement behavior and the complex nonlinear force-velocity response. The theory of fuzzy control is adopted here to determine the command voltage of MR dampers, but the applying of fuzzy control rules has always to deal with the classic problem of optimization. And due to the structural responses of analysis results, it can be confirmed that the reducing effects have an obviously improvement after an optimization by genetic algorithm.

引用

页码：N1 / N6

页数：6

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