吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (4): 939-945.doi: 10.13229/j.cnki.jdxbgxb201404007

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液电馈能式减振器阻尼特性理论及试验

方志刚, 过学迅, 左磊, 徐琳, 张晗   

  1. 1.武汉理工大学 现代汽车零部件技术湖北省重点实验室, 武汉 430070;
    2.纽约州立大学石溪分校 机械工程系, 石溪 11794
  • 收稿日期:2013-01-30 出版日期:2014-07-01 发布日期:2014-07-01
  • 通讯作者: 过学迅(1956-), 男, 教授.研究方向:汽车传动系统理论与汽车节能技术.E-mail:guo6531@163.com
  • 作者简介:方志刚(1984-), 男, 讲师, 博士.研究方向:汽车动力学与汽车节能技术.E-mail:zuoleng136@163.com
  • 基金资助:
    国家自然科学基金项目(51075312); 中央高校基本科研业务费专项项目(2014-Ⅳ-036); 

Theory and experiment of damping characteristics of hydraulic electromagnetic energy-regenerative shock absorber

FANG Zhi-gang1, GUO Xue-xun1, ZUO Lei2, XU Lin1, ZHANG Han1   

  1. 1.Hubei Key Laboratory of Advanced Technology of Automotive Parts, Wuhan University of Technology, Wuhan 430070, China;
    2.Department of Mechanical Engineering, State University of New York at Stony Brook, Stony Brook 11794, USA
  • Received:2013-01-30 Online:2014-07-01 Published:2014-07-01

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摘要： 提出了液电馈能式减振器(HESA)的简化模型, 从液压整流桥、液压马达以及管路的损失等方面分析了液压回路的压降, 推导了HESA的理论阻尼力;试制了HESA的样机并建立了相应的试验台架, 对HESA的样机进行了台架试验, 对比分析了试验数据以及理论数据。结果表明, 在激励频率为1.67 Hz、激励幅值为12.5 mm时, HESA的理论阻尼力与试验阻尼力吻合很好, 具有很高的准确性, 随着激励幅值的增大, 试验阻尼力与理论阻尼力的偏差增大;相比伸张行程, 压缩行程的试验阻尼力与理论阻尼力吻合得更好。

关键词: 车辆工程, 馈能减振器, 振动分析, 阻尼特性

Abstract: A simplified model of Hydraulic Electromagnetic energy-regenerative Shock Absorber (HESA) was proposed. The pressure drop of the hydraulic circuit was analyzed from the loss in the hydraulic rectifier, the hydraulic motor and pipeline. The theoretical damping force of HESA was deduced. A HESA prototype was manufactured, the corresponding test bench was built. The experiment of the prototype was carried out, and the experimental data was compared with the theoretical data. Results indicate that, under the condition of excitation frequency of 1.67 Hz and excitation amplitude of 12.5 mm, the experimental damping force of HESA is in good agreement with the theoretical value. The deviation of the experimental data from the theoretical value increases with the amplitude. The deviation of the experimental data from the theoretical value in the compression stroke is smaller than that in the extension stroke.

Key words: vehicle engineering, regenerative shock absorber, vibration analysis, damping characteristic

中图分类号: 

  • U461.4
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