摘要
为了克服磁流变液阻尼器中的流体颗粒沉降这一缺陷,设计了以无沉降的磁流变脂为工作介质的挤压式磁流变脂阻尼器,采用在同一振幅、不同频率激励条件下,对主控线圈输入电流与阻尼器输出阻尼力之间的宏观特性关系方面进行了试验及示功图分析。分析指出了磁流变脂阻尼器最大有效励磁电流和最大有效激振频率,以及示功图的变化规律,为今后更好的完善磁流变脂阻尼器和应用于汽车工程提供了重要参考依据。
In order to overcome the defect of fluid particle sedimentationin in magneto-rheological ）quid damper,squeeze-type magneto-theological grease damper with non-settlement of magneto-rheological grease for the working media was designed which using the same amplitude and different frequency excitation conditions conducted a test and analysis of indicator diagram on macro-property relationship between master coil input current and damper output damping force.The analysis pointed out that maximum effective excitation current and the maximum effective vibration frequency of the magneto-rheological grease damper,and the changes of the indicator diagram which provides an important reference better for the future improvement of magneto-rheological damper and fat used in automotive engineering.
出处
《机械设计与制造》
北大核心
2011年第12期237-239,共3页
Machinery Design & Manufacture
基金
重庆市科技攻关计划项目资助(CSTC
2009AC3079)
关键词
磁流变脂阻尼器
示功图
励磁电流
激振频率
Magneto-rheologic grease damper
Indicator diagram
Excitation current
Vibration frequency
