双参数轨道非线性能量阱控制性能分析
DOI:
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

TU352.11

基金项目:

国家自然科学基金资助项目(51608190);湖南省自然科学青年(2018JJ3123)#$NL第一


Analysis on Double-term Track Nonlinear Energy Sinks for Structural Control Performance
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    本文在传统轨道非线性能量阱(Track Nonlinear Energy Sink,简称轨道NES)的基础上提出了同时具有线性和非线性特点的新型控制装置——双参数轨道非线性能量阱(Double-term Track Nonlinear Sink,简称DT轨道NES)。DT轨道NES可以在一定程度上解决线性控制方法频率鲁棒性较差和完全非线性的控制方法能量鲁棒性较差的问题。建立了n自由度主体结构顶层附加DT轨道NES的系统运动方程,并对三层钢框架模型分别使用不同阶组合多项式DT轨道NES系统的减振性能进行了分析,其中使用2阶和6阶组合多项式的DT轨道NES系统减振性能最优。同时,对比分析了DT轨道NES系统与调谐质量阻尼器系统以及传统轨道NES系统分别在在脉冲型荷载和地震作用下的控制性能。结果表明,DT轨道NES系统具有优越的控制性能,并同时展现出较高的频率鲁棒性和能量鲁棒性。

    Abstract:

    Based on track nonlinear energy sinks (track NESs), double-term track nonlinear energy sinks(DT track NESs)were proposed. DT track NESs combined linearity and nonlinearity into one device and were able to solve the issue of weak frequency-robustness found in linear control devices and weak energy-robustness found in essentially nonlinear control devices. The equations of motion were constructed for a general primary structure with the DT track NESs attached on the top story. The control parameters of DT track NESs with different polynomial terms were optimized on a three-story steel frame structural model. Investigation shows that the DT track NES with two- and six-order polynomial terms outperforms the DT track NESs with other track shapes. The DT track NESs were compared with tuned mass dampers and track NESs under the impulsive excitations or the seismic excitations. The results show that the DT track NESs can effectively reduce structural response under seismic excitations and exhibit high robustness against the change of frequency and input energy.

    参考文献
    相似文献
    引证文献
引用本文

王菁菁,李浩博,张超. 双参数轨道非线性能量阱控制性能分析[J]. 科学技术与工程, 2020, 20(33): 13769-13776.
WANG Jing-jing, LI Hao-bo, ZHANG Chao. Analysis on Double-term Track Nonlinear Energy Sinks for Structural Control Performance[J]. Science Technology and Engineering,2020,20(33):13769-13776.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2019-12-29
  • 最后修改日期:2020-09-10
  • 录用日期:2020-05-31
  • 在线发布日期: 2020-12-18
  • 出版日期:
×
律回春渐,新元肇启|《科学技术与工程》编辑部恭祝新岁!
亟待确认版面费归属稿件,敬请作者关注