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磁流变阻尼力建模及主共振研究
引用本文:杨绍普,李韶华. 磁流变阻尼力建模及主共振研究[J]. 动力学与控制学报, 2004, 2(4): 62-66
作者姓名:杨绍普  李韶华
作者单位:石家庄铁道学院,石家庄,050043;石家庄铁道学院机械工程分院,石家庄,050043
基金项目:国家自然科学基金资助项目(10172060)~~
摘    要:通过实验建模,提出了一种改进的Bingham模型来描述磁流变阻尼力,模型中的各参数具有明确的物理意义,都与磁流变阻尼器的特性有关.另外,还采用此模型研究了单自由度天棚阻尼控制系统的主共振,利用平均法得到了系统的理论解,并对理论解进行了数值验证.最后,研究了各参数对主共振的影响,从而可以更加有效地控制主共振.

关 键 词:磁流变阻尼  建模  平均法  主共振  天棚阻尼
收稿时间:2004-08-17
修稿时间:2004-08-17

Primary resonance reduction of a single-degree-of-freedom system using magneto-rheological fluid dampers
Yang Shaopu and Li Shaohua. Primary resonance reduction of a single-degree-of-freedom system using magneto-rheological fluid dampers[J]. Journal of Dynamics and Control, 2004, 2(4): 62-66
Authors:Yang Shaopu and Li Shaohua
Affiliation:Yang Shaopu Li Shaohua Shijiazhuang Railway Institute,Shijiazhuang 050043,China School of Mechanical Engineering,Shijiazhuang Railway Institute,Shijiazhuang 050043,China
Abstract:This paper proposed a modified Bingham model to describe the magneto- rheological fluid (MRF) damping force by experimental data. The model parameters have direct physical significance to the MRF damper properties. In addition, the primary resonance reduction in a single-degree-of-freedom (SDOF) skyhook controlled system was investigated. An analytical solution for the system's primary resonance was obtained, which was verified by numerical solution. The effect of changing physical model parameters on the system' s primary resonance was also studied.
Keywords:MRF damping   model establishing   average method   primary resonance   skyhook damping  
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