带材纠偏气液位置伺服系统动态性能研究  

Research of Dynamic Characteristics for Pneumohydraulic Position Servo System

作　　者：岳宏[1] 王秀玲[1] 师占群[1] 李德仲[1] 

机构地区：[1]河北工业大学机器人及自动化研究所,天津300130

出　　处：《机床与液压》2002年第6期133-135,共3页Machine Tool & Hydraulics

摘　　要：本文叙述了采用气液伺服阀作为控制元件的带材卷屈纠偏气液位置伺服系统的组成与工作原理。在建立系统数学模型的基础上 ,对系统进行了数字仿真和辨识实验 ,同时 ,分析了系统的稳定性、伺服精度及频带宽度等特性。通过对计算机仿真与辨识实验结果的对比 。In this paper, the composition and principle of operation of pneumohydraulic position servo systems , which makes correction for running-off strip, are described Based on mathematical modeling of the system, the dynamic characteristics of the system are simulated and identified At the same time, the stability of the system, accuracy of servo, and the bandwidth etc have also been analyz ed Through comparison of the simulation results with identification results, a new control scheme for pneumohydraulic servo system is proposed, by means of the feedback of dynamic pressure to improve response characteristics of the system

关 键 词：带材纠偏 气液位置伺服系统 动态性能 数字仿真 系统辨识 

分 类 号：TG334.9[金属学及工艺—金属压力加工] TP27[自动化与计算机技术—检测技术与自动化装置]