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Modeling and controller design of a shaking table in an active structural control system

机译:主动结构控制系统中振动台的建模与控制器设计

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摘要

The purpose of this paper is to develop an approach to improve the tracking characteristics of a small-scale shaking table, which is used in an active structural control system. Firstly, the active control experimental system is briefly described. Then, a system dynamic model is constructed, which integrates hydraulic actuator system and a three-floor test structure mounted on the shaking table. Due to low natural frequency and small damping, the small-scale shaking table cannot meet the experimental requirements. Thus, three states control algorithm based on pole-assignment principle is applied for extending the acceleration bandwidth and improving system damping. Lastly, the experimental results prove that the new controller is effective.
机译:本文的目的是开发一种方法,以改善用于主动结构控制系统的小型振动台的跟踪特性。首先,简要描述了主动控制实验系统。然后,建立一个系统动力学模型,该模型将液压执行器系统和安装在振动台上的三层测试结构集成在一起。由于固有频率低,阻尼小,小型振动台无法满足实验要求。因此,基于极点分配原理的三态控制算法被应用于扩展加速带宽和改善系统阻尼。最后,实验结果证明该新型控制器是有效的。

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