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

被引：53
|
作者：
Xu, Yang [1 ,2 ]
Hu, Hongxing [2 ]
Han, Junwei [3 ]
机构：
[1] Donghua Univ, Sch Mech Engn, Shanghai 201620, Peoples R China
[2] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai 200240, Peoples R China
[3] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China
来源：
MECHANICAL SYSTEMS AND SIGNAL PROCESSING | 2008年 / 22卷 / 08期
关键词：
active structural controls shaking table; hydraulic actuator; modeling; three states control;
D O I：
10.1016/j.ymssp.2008.02.003
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
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. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1917 / 1923
页数：7
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