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时变参数时滞减振控制研究

李帅 周继磊 任传波 邵素娟

李帅, 周继磊, 任传波, 邵素娟. 时变参数时滞减振控制研究[J]. 力学学报, 2018, 50(1): 99-108. doi: 10.6052/0459-1879-17-207
引用本文: 李帅, 周继磊, 任传波, 邵素娟. 时变参数时滞减振控制研究[J]. 力学学报, 2018, 50(1): 99-108. doi: 10.6052/0459-1879-17-207
Li Shuai, Zhou Jilei, Ren Chuanbo, Shao Sujuan. The research of time delay vibration control with time - varying parameters[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(1): 99-108. doi: 10.6052/0459-1879-17-207
Citation: Li Shuai, Zhou Jilei, Ren Chuanbo, Shao Sujuan. The research of time delay vibration control with time - varying parameters[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(1): 99-108. doi: 10.6052/0459-1879-17-207

时变参数时滞减振控制研究

doi: 10.6052/0459-1879-17-207
基金项目: 国家自然科学基金(No.51275280),山东省自然科学基金(No.ZR2015EL048)资助.
详细信息
    作者简介:

    通讯作者 任传波 教授 主要研究方向:车辆系统动力学. E-mail: chuanbor@sdut.edu.cn

    作者简介 李帅 研究生 主要研究方向:车辆系统动力学.

    通讯作者:

    任传波

  • 中图分类号: O032.8;

The research of time delay vibration control with time - varying parameters

  • 摘要: 时滞动力吸振器对谐波激励有着良好的减振控制效果,但对随机激励的减振控制效果却并不明显,具体表现为时滞动力吸振器对随机激励的减振控制效果与被动吸振器几乎相同。针对上述问题,本文提出了一种新的时变参数时滞减振控制方法。在原有时滞减振控制方法的基础上,首先将时滞增益系数由定值形式变为时间函数形式,然后通过时变优化得到多组时滞控制参数并使其以一定时间周期循环作用于减振控制过程,通过这种方法进一步改善了时滞动力吸振器减振性能。本文最后以二自由度时滞动力吸振器减振模型为例,以主系统的振动响应为仿真对象,运用精细积分法求解了具有时变时滞参数的时滞动力学方程,以此得到了在谐波激励和随机激励作用下主系统振动的时域仿真结果。研究结果表明,在时变参数时滞动力吸振器的控制下,主系统无论是受谐波激励作用还是受随机激励作用,其振动位移、振动速度和振动加速度均比在定值参数时滞动力吸振器控制下时有大幅的减少,时滞动力吸振器的减振性能有了明显的改善。

     

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出版历程
  • 收稿日期:  2017-05-31
  • 刊出日期:  2018-01-18

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