前馈控制器对伺服系统动力学特性影响研究  

Investigation on Effects of Feedforward Controller for Servo System Dynamics

作　　者：冯斌[1] 张传伟[1] 柴蓉霞[1] 杨满芝[1] FENG Bin;ZHANG Chuanwei;CHAI Rongxia;YANG Manzhi(College of Mechanical Engineering,X i’a n University of Science and Technology, X i’a n Shaanxi 710049,China)

机构地区：[1]西安科技大学机械工程学院,陕西西安710049

出　　处：《机床与液压》2018年第20期151-154,共4页Machine Tool & Hydraulics

基　　金：西安科技大学博士科研基金项目(103/6310116043)

摘　　要：前馈控制器是运动控制器重要的组成部分之一。为了有效降低运动误差、提升伺服系统动力学性能,建立开放式精密运动平台动力学模型,研究前馈控制器对稳态误差、谐振现象、频域特性及稳定性的影响并总结影响规律。通过仿真与实验验证,证明了前馈控制器对伺服动力学特性影响规律的正确性。该结论对于指导工业现场对伺服系统前馈控制器的优化与整定提供了参考。Feedforward controller is one of the important components of motion controller.To effectively reduce the motion errors and improve dynamic performances of servo system,a dynamic model of open precision motion platform was presented.The effects of the feedforward controller on steady-state error,resonance phenomena and frequency characteristic were studied.The effects principles were obtained.The effects of the feedforward controller to servo system dynamics were verified by simulation and experiments.These conclusions are helpful to guide the feedforward controller optimization and setting.

关 键 词：前馈 运动控制器 伺服系统 动力学特性 

分 类 号：TG659[金属学及工艺—金属切削加工及机床]