考虑伺服阀动态非线性特征的电液振动台建模

英文篇名：Modeling of the Electro-hydraulic Shaker by Considering the Dynamic Nonlinear Characteristic of Servo Valve
中文刊名：机床与液压
英文刊名：Machine Tool & Hydraulics
作者：陈文颍 ; 宋琼 ; 舒杨
英文作者：CHEN Wenying ; SONG Qiong ; SHU Yang(Institute of Structural Mechanics ; China Academy of Engineering Physics ; Mianyang Sichuan 621900 ; China)
中文关键词：电液振动台 ; 伺服阀 ; 开口-频响特性 ; 离心场环境 ; 非线性建模
英文关键词：Electro-hydraulic shaker ; Servo valve ; Opening and frequency response ; Centrifugal field ; Nonlinear modeling
出版日期：2013-02-15
机构：中国工程物理研究院总体工程研究所;
年：2013
期：03
出版单位：机床与液压

摘要

在许多常见的电液振动台仿真模型中,都将伺服阀假设为线性或忽略其开口-频响动态特性,这样构造的仿真模型在处理离心场下的地震波再现时将存在明显的高频段失真现象。以MATLAB/Simulink软件为工具,重点设计了能够体现开口-频响非线性动态特性的伺服阀仿真模型,完成了电液振动台的建模,并通过仿真验证了该模型的有效性。
In many common models of the electro-hydraulic shaker,the servo valve is assumed to be linear,or its "opening and frequency-response" dynamic characteristics are neglected.There is significant high-frequency distortion when processing the output of reproducing seismic wave by the model.Based on MATLAB/Simulink software,a model was designed in which the "opening and frequency-response" dynamic characteristics of the servo valve were considered,and the model of the electro-hydraulic shaker was completed.The validity of this model is verified by simulation.

引文

[1]VAN LAAK P A,ADALIER K,DOBRY R,et al.Design ofRPI's Large Servo Hydraulic Centrifuge Shaker[C]//Procof Centrifuge,1998:105-110.
    [2]冉光斌.土工离心机及振动台发展综述[J].环境技术,2007,6(3):25-29.
    [3]唐贞云,李振宝,纪金豹,等.伺服阀对地震模拟振动台控制性能影响及控制参数自整定[J].震灾防御技术,2010,5(1):20-26.
    [4]李其朋,丁凡.电液伺服阀技术研究现状及发展趋势[J].工程机械,2003(6):28-33.
    [5]黄浩华.地震模拟振动台的设计与应用技术[M].北京:地震出版社,2008:57-77.
    [6]吴麟.自动控制原理[M].北京:清华大学出版社,1990.
    [7]明仁雄.液压与气压传动[M].北京:国防工业出版社,2003.