磁流变减振器的主共振研究

英文篇名：RESEARCH ON PRIMARY RESONANCE OF MAGNETORHEOLOGICAL DAMPER
中文刊名：动力学与控制学报
英文刊名：Journal of Dynamics and Control
作者：刘晓燕 ; 申永军 ; 张帆
英文作者：Liu Xiaoyan1 Shen Yongjun2 Zhang Fan1 (1.School of Graduating ; Shijiazhuang Railway Institute ; Shijiazhuang 050043 ; China) (2.School of Mechanical Engineering ; Shijiazhuang Railway Institute ; Shijiazhuang 050043 ; China)
中文关键词：磁流变减振器 ; 平均法 ; 主共振
英文关键词：MR damper ; Averaging method ; primary resonance
出版日期：2006-03-20
机构：石家庄铁道学院研究生分院,石家庄铁道学院机械工程分院,石家庄铁道学院研究生分院石家庄050043,石家庄050043,石家庄050043
年：2006
期：01
出版单位：动力学与控制学报

摘要

采用一种改进的Bingham模型描述磁流变阻尼力,研究了在弹簧变形量较大时,单自由度磁流变系统的主共振.利用平均法得到了系统的一阶近似解,并进行了数值验证.通过研究各种参数对主共振幅频曲线的影响,可以有效地控制系统的主共振.此外,还对该磁流变减振器和普通减振器在主共振时系统的振幅大小等动态参数进行了比较,结果表明磁流变减振器的减振效果较好.
An improved Bingham model was proposed to describe the force of a MR damper, whose primary resonance for the single-degree-of-freedom (SDOF) was researched under the condition that the spring deformation was comparatively great. The analytical solution of the system was obtained by using the Averaging Method, whose effectiveness was verified through numerical simulation, and the effects of all the physical parameters on the amplitude-frequency curves were also studied so as to control the primary resonance effectively. In addition, the amplitude comparison between the traditional damper and the MR damper in the primary resonance was presented, which showed the performance of MR damper in vibration control was better.

引文

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