Equal-peak optimization of pendulum tuned mass damper using time-delay feedback control

Changli Wang; Yanying Zhao

doi:10.1117/12.2681879

16 June 2023 Equal-peak optimization of pendulum tuned mass damper using time-delay feedback control

Changli Wang, Yanying Zhao

Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 1263922 (2023) https://doi.org/10.1117/12.2681879
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China

Abstract

Pendulum tuned mass dampers are widely used in structural vibration reduction because of their convenience in installation, maintenance and replacement, economy and practicality. It suppresses or eliminates the vibration of the main system by tuning the natural vibration frequency of the pendulum to close to the control frequency of the main system, so that the pendulum produces the opposite vibration of the main system. In this paper, through the multi-objective optimization design of the passive damping system with undamped main system and the active damping system with damped time-delay feedback, the equal peak control of the amplitude-frequency response curve of the main system and the effective control of the difference between the formant and the anti-formant are realized. The results show that the oscillating amplitude of the pendulum tuned mass damping system is suppressed in a wide frequency range by equal-peak optimization control with time-delay feedback. By controlling the difference between the resonance peak and the antiresonance peak, the flatness of the amplitude-frequency response curve is guaranteed.

Citation Download Citation

Changli Wang and Yanying Zhao "Equal-peak optimization of pendulum tuned mass damper using time-delay feedback control", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 1263922 (16 June 2023); https://doi.org/10.1117/12.2681879

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