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Issue:
Test of reverse-effect MR damper
Author(s):
YAN Weiming
,
GE Huijuan
,
DONG Bin
,
JI Jinbao
Pages:
171
-
176
Year:
2007
Issue:
3
Journal:
JOURNAL OF EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION
Keyword:
振动控制
;
磁流变阻尼器
;
试验
;
Abstract:
磁流变液是一种性能优良的智能材料,用其制成的MR阻尼器是一种理想的半主动控制装置.本文提出了一种新型MR阻尼器——逆变型MR阻尼器,给出了逆变型MR阻尼器的设计方法,并设计了一个足尺的阀式逆变型MR阻尼器.实验证明逆变型MR阻尼器阻尼力可调,在电源失效或无电源时能够在大阻尼状态工作,这提高了半主动控制装置在地震中的使用安全性.逆变型MR阻尼器具有良好的可靠性、实用性和经济性.本文最后针对试验中阻尼器出力的可调范围比较小的问题给出了几种改进的思路.
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