[1]瞿伟廉,刘嘉,涂建维,等.500kN足尺磁流变液阻尼器设计的关键技术[J].地震工程与工程振动,2007,27(02):124-130.
 QU Weilian,LIU Jia,TU Jianwei,et al.Crucial techniques for design of 500 kN large-scale MR damper[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2007,27(02):124-130.
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500kN足尺磁流变液阻尼器设计的关键技术
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《地震工程与工程振动》[ISSN:/CN:]

卷:
27
期数:
2007年02期
页码:
124-130
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Crucial techniques for design of 500 kN large-scale MR damper
作者:
瞿伟廉1 刘嘉1 涂建维1 闰淼1 程海斌2
1. 武汉理工大学道路桥梁与结构工程湖北省重点实验室, 湖北 武汉 430070;
2. 武汉理工大学国家重点实验室, 湖北武汉430070
Author(s):
QU Weilian1 LIU Jia1 TU Jianwei1 RUN Miao1 CHENG Haibin2
1. Hubei Key Lab of Roadway Bridge & Structure Engineering, Wuhan University of Technology, Wuhan 430070, China;
2. State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
关键词:
MR阻尼器蓄能器性能试验关键技术参数识别
Keywords:
MR damperaccumulatorperformance experimentcrucial techniqueparameters identification
分类号:
P315.968
摘要:
对我们制作的、目前出力居世界前列的500kN足尺MR阻尼器设计的关键技术、阻尼器的性能试验及力学模型的参数识别进行了研究。在对磁流变液材料的最大屈服剪应力、抗沉降稳定性以及磁滞响应时间等关键性能试验分析的基础上,确认该磁流变液的抗沉降稳定性和其他两项性能指标满足MR阻尼器的设计与工程应用要求。同时,对此500kN足尺MR阻尼器设计的关键技术,包括内置式碟型弹簧蓄能器、磁场防漏设计以及引线保护等进行了介绍;并通过对此MR阻尼器性能的试验,依据阻尼最小二乘法,对MR阻尼器采用的修正的B ingham模型的参数进行了识别,得到了与试验结果吻合的MR阻尼器的力学模型。通过研究可知,高性能磁流变液材料的制备以及MR阻尼器设计的关键技术是大吨位足尺MR阻尼器成功的关键。
Abstract:
The crucial techniques,performance test and model parameters identification of 500kN large-scale magnetorheological(MR) damper with large damping force are reported.On the basis of the key characteristics test of MR fluid,including maximum yield shear stress,sedimentation-proof stability and response time,the sedimentation-proof stability of MR fluid is confirmed,and the other two performance indexes meet the requirements of the design and application of large-scale MR damper.Then several crucial techniques of 500kN large-scale MR damper,including inner disk spring accumulator,magnetic-flux leakage preventing design and leading wire protection are introduced.According to the performance test results of the MR damper,the modified Bingham model parameters of MR damper are identified using damping least square method,and the theoretical results agree well with the experimental ones.Research results demonstrate that it is very important to prepare the high-performance MR fluid and adopt the proposed crucial technologies for the fabrication of large-scale MR damper.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2007-1-8;改回日期:2007-2-13。
基金项目:国家自然科学基金重大国际合作项目(50520130296)
作者简介:瞿伟廉(1946- ),男,教授,主要从事结构振动控制和结构安全预警的研究.
更新日期/Last Update: 1900-01-01