现代制造工程Issue(5)：73-79,7.
发动机磁流变悬置模糊控制研究
Study on fuzzy-logic control of engine with magneto-rheological mounts
摘要
Abstract
The vibration isolation of engine in a wide frequency region is very important to improve the ride comfort of a vehicle.A flow-mode magneto-rheological mount is proposed and applied to the vibration control of an engine.The simplified mechanics model of the magneto-rheological mount is established and its controllable damping force is derived.Furthermore,the dynamic model of an engine with magneto-rheological mounts is established and the state space control model is thus expressed.A fuzzylogic controller is then designed to attenuate the vibration of the engine.The simulation results demonstrate the effectiveness of the fuzzy-logic controller through control responses in time and frequency domains.The amplitudes are attenuated significantly and force transmission rate is reduced to less than 20％.Therefore,a vibration isolation of engine in wide frequency region is realized by using the proposed magneto-rheological mount and fuzzy-logic controller.关键词
发动机/磁流变悬置/模糊控制/力传递率Key words
engine/magneto-rheological mount/fuzzy control/force transmission rate分类
交通工程引用本文复制引用
陈作越,杨玫,王小娥,王明清..发动机磁流变悬置模糊控制研究[J].现代制造工程,2013,(5):73-79,7.基金项目
乐山职业技术学院科学研究计划资助项目(KY2012029) （KY2012029）
乐山市重点科技计划资助项目(13GZD068) （13GZD068）
