Dynamics of Coupled Structures, Volume 4
Dynamics of Coupled Structures, Volume 4
复制标题
耦合结构动力学，第 4 卷
DOI：
10.1007/978-3-319-29763-7_15
复制
发表时间：
2016
期刊：
影响因子：
--
通讯作者：
Hudson E
中科院分区：
文献类型：
--
作者：
Hudson E
近年来，对具有验证质量作动器的结构的人致振动的主动控制(AVC)已成为研究的热点。这项研究主要集中在行人天桥和地板上，有一些证据表明，这项研究正在为传统振动控制措施不合适的AVC的商业安装铺平道路。然而，AVC系统的设计是一项复杂的任务，因为执行器动力学的影响，高频振动模式的贡献，以及使控制算法可实现所需的低通和高通滤波器的作用。这使得AVC的设计过程超出了绝大多数土木工程设计工程师的能力，甚至处于一个阴谋阶段，以接近这样的系统可以实现什么样的减少。本文考虑了一个广义系统，研究了一个完美的AVC系统在理论上可以获得什么样的性能，然后考虑了执行器动力学的增加的复杂性，以证明这是如何从最优性能降级的。
Active vibration control (AVC) of human-induced vibrations in structures with proof-mass actuators has been subject to much research in recent years. This has predominantly focussed on footbridges and floors and there is some evidence that this research is paving the way for commercial installations of AVC where traditional vibration control measures are not appropriate. However, the design of an AVC system is a complex task because of the influence of actuator dynamics, the contributions from higher frequency modes of vibration and the effect of low and high pass filters that are required to make the control algorithm implementable. This puts the AVC design process beyond the abilities of the vast majority of civil design engineers, even at a scheming stage to approximate what sort of reductions could be achieved by such a system. This paper considers a generalised system and investigates what sort of performance can be achieved in theory by a perfect AVC system, then considers the added complexity of actuator dynamics to demonstrate how this degrades the performance from optimal.