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无源自适应磁流变阻尼器设计与研究

, PP. 168-173

Keywords: 磁致伸缩逆效应,磁流变阻尼器,负载自适应,阻尼性能,建模

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Abstract:

针对防震、航空航天、野战军械等领域对能源的限制,以及车辆减振中对阻尼器拉压行程不同阻尼力大小的要求,设计制作了一个无源自适应磁流变阻尼器。该阻尼器采用磁致伸缩逆效应及磁流变液的特性,把负载力的变化转化为磁流变液间隙处磁场的变化,解决了常规的磁流变阻尼器需要外配能源装置及控制电路的问题。对该阻尼器进行了建模,并进行了阻尼特性试验,结果表明试验数据与模型符合得较好,阻尼力大小和负载有关,拉力越大,阻尼力越大,压力越大,阻尼力越小,具有负载自适应的特点,验证了设计的可行性。

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