基于图像识别与OPC通讯的伺服控制系统.pdf

281实验室研究与探索Vo.l28No.1

20091RESEARCHANDEXPLORATIONINLABORATORYJan.2009

OPC

张嵩,陈坚

(,200240

:本伺服控制系统采用Rockwell公司的Controllogix5550型PLC控制器,通过伺服驱动器控制伺

服电的运转,进而控制实验平台的运动通过图像识别技术实时采集平台运动信息,通过OPC建立

VC开发环境与PLC之间的通讯,构成闭环控制系统,完成对实验平台位置和运动速度的实时精确控

制通过本伺服系统可以使学生了解现代伺服控制系统的构成与应用,在实验室建设与教学方面具有

很大的意义主要讨论基于图像识别与OPC通讯的伺服控制系统的构建,并给出一个球体运动定点控

制的实例具体说明本系统的实验意义

:伺服控制系统;图像识别;OPC通讯;闭环控制系统;可编程控制器;伺服电

:TP273:A:1006-7167(200901-0062-04

ServoControlSystemBasedonmIageRecognitionandOPC

ZHANGSong,CHENJian

(DepartmentofAutomation,ShanghaiJiaotongUniversity,Shanghai200240,China

Abstract:TheservocontrolsystemisbasedonPLCofRockwellControllogix5550,inwhichservodrivermoduleand

servomotorcancontrolthemovementofexpermientboard.Throughthetechnologyofmiagerecognitiontheinformation

ofmovementiscollected.CommunicationbetweenVCandPLCisestablishedbyOPC.Theclosedloopcontrolsystem

canpreciselycontrolthepositionandvelocityofexpermientboardintmie.Theservocontrolsystemcanmakestudents

understandthestructureandapplicationofmodernservocontrolsystem.Thepapermainlydiscussedtheestablishmentof

servocontrolsystembasedonmiagerecognitionandOPCandusedanexampleofprecisecontroloftheballontheex

permientboardtoillustratethesignificanceofthesystem.

Keywords:servocontrolsystem;miagerecognition;OPCcommunication;closedloopcontrolsystem;PLC;servomo

tor

CLCnumber:TP273Documentcode:AArticleID:1006-7167(200901-0062-04