TMD控制系统的相位及控制效果分析

刘良坤 1,谭平 1,李祥秀 2,张颖 1,周福霖 1,2

振动与冲击 ›› 2015, Vol. 34 ›› Issue (11) : 160-165.

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (11) : 160-165.
论文

TMD控制系统的相位及控制效果分析

  • 刘良坤 1,谭平 1,李祥秀 2,张颖 1,周福霖 1,2
作者信息 +

Analysis of Phase and Performance for TMD System

  • Liu Liangkun1, Tan Ping1, Li Xiangxiu2, Zhang Ying1, Zhou Fulin1,2
Author information +
文章历史 +

摘要

本文推导了TMD系统的相位公式,研究了各参数对相位差及减震效果的影响。结果表明当TMD选取最优频率比与最优阻尼比时具有最优控制效果。TMD质量比的增大不仅有助于增加控制效果,而且提高了频域内的控制鲁棒性。此外,本文提出了相能原理并结合能量耗散相等的原理给出了TMD的等效阻尼比,该数值比白噪声激励下推导的等效阻尼比更加符合TMD系统的实际情况。

Abstract

This paper formulates phase formulation of TMD system, in which the parameters for influence of phase and performance are investigated. Results indicate that both frequency band of vibration reduce and distribution of phase difference change with the parameters of TMD system. The comprehensive optimum control effect for TMD is obtained as the optimum damping and frequency ratio adopted. The increasing mass ratio of TMD can improve both the control performance and control robustness. In addition, theory of phase energy combined with the principle of energy dissipation is employed to obtain the equivalent damping ratio of TMD system. The results show that the proposed equivalent damping ratio is more reasonable than that deduced by white noise.
 

Key words

TMD system / phase difference / structural control / theory of phase energy / equivalent damping ratio

引用本文

导出引用
刘良坤 1,谭平 1,李祥秀 2,张颖 1,周福霖 1,2. TMD控制系统的相位及控制效果分析[J]. 振动与冲击, 2015, 34(11): 160-165
Liu Liangkun1, Tan Ping1, Li Xiangxiu2, Zhang Ying1, Zhou Fulin1,2. Analysis of Phase and Performance for TMD System[J]. Journal of Vibration and Shock, 2015, 34(11): 160-165

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