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首页> 外文期刊>Journal of Sound and Vibration >Suboptimal distributed state-feedback control of semi-active vibrating systems
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Suboptimal distributed state-feedback control of semi-active vibrating systems

机译：半主动振动系统的次优分布式状态反馈控制

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摘要

A novel semi-active control method for mitigating structural vibration is studied. The method relies on distributed state information patterns and the solution to a suboptimal control problem that aims at replicating the switched structures of the optimal open-loop stabilizing controls. The optimality conditions and the method of solution of the suboptimal problem are discussed. The performance of this method is examined by means of numerical experiments performed for a double cantilever system equipped with a set of semi-active elastomers with controlled viscoelastic properties. The experiments were carried out for different controller architectures and a series of initial conditions. In terms of the assumed objectives, the proposed distributed control strategy significantly outperforms the passive damping strategies and is competitive with a standard centralized control. The proposed approach is general to a class of bilinear control systems concerned with smart structural elements. The practical aspects of the designed distributed controller are highlighted. (C) 2018 Elsevier Ltd. All rights reserved.
机译：研究了一种用于缓解结构振动的新型半主动控制方法。该方法依赖于分布式状态信息模式和解决方案的次优控制问题，其旨在复制最佳开环稳定控制的交换结构。讨论了次优问题的最优条件和解决方法。通过对配备有一组具有受控粘弹性的半活性弹性体的双悬臂系统进行的数值实验来检查该方法的性能。对不同的控制器架构和一系列初始条件进行了实验。就假设的目标而言，所提出的分布式控制策略显着优于被动阻尼策略，并具有标准集中控制的竞争力。所提出的方法是一类与智能结构元素相关的一类双线性控制系统。设计了分布式控制器的实际方面突出显示。 （c）2018年elestvier有限公司保留所有权利。

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