索-梁组合结构非线性时滞减振研究

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Abstract Here, the time-delay vibration reduction technique was used to do vibration control analysis for cable- beam composite structures. The dynamic governing equations for a cable-beam composite structure were established with Hamilton principle. The time-delay vibration reduction technique was introduced, and the multi-scale perturbation method was used to solve the dynamic governing equations, and obtain the approximate solution expressions to primary resonance and 1/3 subharmonic resonance. The results showed that two main parameters of the time-delay vibration reduction technique including time delay and control gain can be used to effectively adjust the system’s damping and frequency; through adjusting control gain and time-delay value, the system’s damping ratio can be increased, resonance fields can be avoided, and cable-beam composite structures’ vibration reduction can be realized.

Key words： cable-beam composite structure vibration control time delay nonlinear response

Received: 27 March 2019 Published: 28 March 2020

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	Articles by authors
	PENG Jian1
	XIANG Mingjiao1
	YU Jianda1
	SUN Hongxin1
	SUN Ceshi2

Cite this article:

PENG Jian1,XIANG Mingjiao1,YU Jianda1, et al. Nonlinear time delay vibration reduction technique for cable-beam composite structures[J]. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(7): 81-85.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2020/V39/I7/81

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