摘要
单杆液压缸电液位置伺服系统由于结构紧凑,被工程界大量应用,但是其结构不对称,数学模型复杂,很多因素无法通过数学方法精确分析,针对这个问题,利用Matlab/Simulink多领域物理建模的方法,建立了单杆液压缸电液伺服系统的物理模型,对其性能研究分析。分别输入正弦信号和方波信号,得到响应曲线图和Bode图。仿真结果表明:单杆液压缸电液位置伺服系统物理模型可以直接根据工作原理添加对应的元件以及环境影响因素,模型精度高,不需要传递函数,仿真的结果也更为准确,更接近实际情况,有利于分析电液位置伺服系统控制性能,具有更好的参考价值,提高了系统模型仿真的准确性。
The electro-hydraulic position servo system of a single rod hydraulic cylinder is used in a large number of engineering applications due to its compact structure,but due to its asymmetric structure and complex mathematical model,many factors cannot be accurately analysed by mathematical methods.To address this problem,a physical model of the electro-hydraulic servo system of a single rod hydraulic cylinder is established using Matlab/Simulink multi-domain physical modelling method to study and analyse its performance.The response graphs and Bode plots are obtained by inputting sinusoidal and square wave signals respectively.The simulation results show that:the physical model of the electro-hydraulic position servo system of a single rod hydraulic cylinder can directly add the corresponding components and environmental influence factors according to the working principle,the model accuracy is high,no transfer function is required,and the simulation results are more accurate and closer to the actual situation,which is conducive to the analysis of the control performance of the electro-hydraulic position servo system and has a more effective reference value to improve the accuracy of the system model simulation.
作者
张贻哲
李跃松
李阁强
李贵飞
王棒
ZHANG Yizhe;LI Yuesong;LI Geqiang;LI Guifei;WANG Bang(School of Mechatronics Engineering,Henan University of Science and Technology,Luoyang 471003,China)
出处
《指挥控制与仿真》
2023年第6期96-101,共6页
Command Control & Simulation
基金
国家自然科学基金项目(51605145)
河南省自然科学基金(232300420085)。
作者简介
张贻哲(1999—),男,硕士研究生,研究方向为液压控制,数字液压。;通信作者:李跃松(1985—),男,副教授,硕士生导师。
