双台阵振动模拟系统控制方法研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (6) : 207-211.

论文

双台阵振动模拟系统控制方法研究

关广丰熊伟王海涛

作者信息 +

Control of a dual shaking tables vibration test system

GUAN Guangfeng,XIONG Wei,WANG Haitao

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文章历史 +

摘要

利用多个振动台组成台阵振动模拟系统，进行大跨度结构甚至足尺模型的实验，是振动环境模拟的新发展方向。控制系统是台阵模拟系统的关键技术，其性能优劣直接关系到对试件可靠性的定量评估。以冗余驱动电液振动台及电动振动台组成的双台阵系统为研究对象，分别对电液振动台加速度控制策略、冗余力控制策略及电动振动台位姿控制策略进行详细分析，并基于分布式控制结构设计双台阵振动模拟控制系统。最后通过实验验证台阵系统控制器的有效性。

Abstract

A multiple shaking tables test system is a new prospect in long span or full-scale structures vibration simulations.The vibration control is a key technology for multiple shaking tables simulations.The control performance has a great influence on the assessment of the reliability of structures.The dual shaking tables test system consists of a redundantly driven two-axis electro-hydraulic shaking table and a two-axis electo-dyanmic shaking table.The attitude control of the electro-dynamic shaking table,the acceleration control loop and redundant force control loop of the electro-hydraulic shaking table were presented to control the two shaking tables separately.The shaking tables control system was developed based on a distributed control structure.The sine and random vibration tests show the effectiveness of the proposed controller.

关键词

台阵模拟

/ 冗余驱动 / 电液振动台 / 电动振动台

Key words

multiple shaking tables vibration simulation / redundantly drive / electro-hydraulic shaking table / electro-dynamic shaking table

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关广丰熊伟王海涛. 双台阵振动模拟系统控制方法研究[J]. 振动与冲击, 2017, 36(6): 207-211

GUAN Guangfeng,XIONG Wei,WANG Haitao. Control of a dual shaking tables vibration test system[J]. Journal of Vibration and Shock, 2017, 36(6): 207-211

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