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一类含时滞的半主动悬架系统的动力学分析
  • ISSN号：0459-1879
  • 期刊名称：力学学报
  • 时间：2013
  • 页码：755-762
  • 分类：O322[理学—一般力学与力学基础;理学—力学] TU31[建筑科学—结构工程]
  • 作者机构：[1]石家庄铁道大学机械工程学院,石家庄050043, [2]中铁二十四局集团安徽工程有限公司,合肥230011
  • 相关基金：国家自然科学基金（11072158,10932006）、河北省杰出青年科学基金（E2010002047）、教育部新世纪优秀人才支持计划（NCET-11-0936）、教育部长江学者和创新团队发展计划（IRT0971）资助项目.
  • 相关项目：半主动吸振系统的非线性动力学研究
作者： 申永军|赵永香|田佳雨|杨绍普|
关键词： 半主动悬架, 时滞, 平均法, 振动控制, semi-active suspension, time delay, averaging method, vibration control
中文摘要：

对一类采用有限相对位移控制的含时滞单自由度半主动悬架系统进行了动力学分析．首先通过平均法得到了该系统的一阶近似解，然后基于Lyapunov理论建立了系统的稳定性条件，结果表明近似解的稳态幅值和稳定性条件都是时滞量的周期函数，并且和外激励具有相同周期．通过对数值解和解析解的幅频曲线进行比较，验证了一阶近似解析解的准确性，并且解释了半主动控制中的高频颤振现象．研究了被动悬架系统并且和半主动悬架系统进行了比较，证实了半主动悬架系统的优越性．最后，探讨了一些关键的系统参数，如控制间隙、时滞量、最小阻尼比等对半主动悬架系统稳态幅值的影响．

英文摘要：

The dynamical analysis on a single degree-of-freedom semiactive suspension system with time delay is completed in this paper, where the limited relative displacement control is adopted in this system. The first-order approximately analytical solution is obtained by the averaging method, and the stability condition is set up based on Lyapunov theory. The results show that the steady-state amplitude of the approximate solution and the stability conditions are all periodic functions of time delay, and have the same period as the excitation one. Through the comparison of the amplitude-frequency curves obtained by the approximate solution and the numerical method, the correctness and satis- factory precision of the approximate solution are verified. The chattering phenomenon of semi-active control existing in high frequency is also explained. Moreover, the passive suspension is also researched analytically and compared with the semi-active one, and the results confirm the superiority of semi-active suspension. Finally, the effects of some key system parameters on control performance, including the control clearance, time delay and minimum damping ratio, are discussed.

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期刊信息
  • 《力学学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国力学学会 中国科学院力学研究所
  • 主编：魏悦广
  • 地址：北京市海淀区北四环西路15号中科院力学所内《力学学报》
  • 邮编：100190
  • 邮箱：lxxb@cstam.org.cn
  • 电话：010-62536271
  • 国际标准刊号：ISSN：0459-1879
  • 国内统一刊号：ISSN：11-2062/O3
  • 邮发代号:2-814
  • 获奖情况:
  • 1992年首届自然科技期刊一等奖,1996年国家自然科技期刊二等奖,2000年首届国家期刊奖
  • 国内外数据库收录:
  • 美国数学评论（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:13332