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磁流變阻尼器隔震結(jié)構(gòu)的模糊控制仿真與分析

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摘  要:該研究通過對配置磁流變(MR)阻尼器的4層框架基礎(chǔ)隔震結(jié)構(gòu)進(jìn)行建模,系統(tǒng)討論該結(jié)構(gòu)在2種控制策略作用下的隔震性能。結(jié)果表明,相較于經(jīng)典的bang-bang控制策略,采用模糊控制策略能同時降低結(jié)構(gòu)在地震作用下的基底位移與上部結(jié)構(gòu)的加速度響應(yīng),從而實現(xiàn)隔震性能的顯著提升。

關(guān)鍵詞:模糊控制;磁流變阻尼器;隔震結(jié)構(gòu);地震響應(yīng);仿真分析

中圖分類號:TU352.11      文獻(xiàn)標(biāo)志碼:A          文章編號:2095-2945(2025)05-0067-04

Abstract: In this paper, a four-story frame isolated-structure equipped with magnetorheological (MR) dampers is modeled, and the isolation performance of the structure under different control strategies is discussed. The results show that compared with the classical bang-bang control strategy, the implementation of a fuzzy control strategy can simultaneously reduce both the base displacement and the super structure acceleration response under seismic actions. This leads to a significant enhancement in seismic isolation performance.

Keywords: fuzzy control; magnetorheological(MR) damper; base-isolated structure; seismic response; simulation analysis

基礎(chǔ)隔震結(jié)構(gòu)通過在建筑物基礎(chǔ)與上部結(jié)構(gòu)間設(shè)置隔震層,延長結(jié)構(gòu)的自振周期,達(dá)到降低結(jié)構(gòu)加速度響應(yīng)的目的[1]。(剩余2941字)

目錄
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