煤矿机电
煤礦機電
매광궤전
COLLIERY MECHANICAL & ELECTRICAL TECHNOLOGY
2011年
5期
58-60
,共3页
张晓永%宗成国%张超%徐鲁辉
張曉永%宗成國%張超%徐魯輝
장효영%종성국%장초%서로휘
带式输送机%PLC可编程控制器%闭环控制%PID控制器
帶式輸送機%PLC可編程控製器%閉環控製%PID控製器
대식수송궤%PLC가편정공제기%폐배공제%PID공제기
conveyor belt%PLC(Programmable Logic Controller)%closed-loop control%PID(Proportion Integration Differentiation) controller
阐述了带式输送机电控系统的组成,采用西门子S7-200 PLC可编程控制器在系统进行各种开关量和模拟量的采集和控制,包括速度信号的计算以及油压模拟量的采集等。重点阐述了PID控制原理以及如何对速度实现闭环控制,使带式输送机按照预定速度曲线进行软启动,并按照规定的速度正常工作,最终实现PLC对带式输送机的电控要求。
闡述瞭帶式輸送機電控繫統的組成,採用西門子S7-200 PLC可編程控製器在繫統進行各種開關量和模擬量的採集和控製,包括速度信號的計算以及油壓模擬量的採集等。重點闡述瞭PID控製原理以及如何對速度實現閉環控製,使帶式輸送機按照預定速度麯線進行軟啟動,併按照規定的速度正常工作,最終實現PLC對帶式輸送機的電控要求。
천술료대식수송궤전공계통적조성,채용서문자S7-200 PLC가편정공제기재계통진행각충개관량화모의량적채집화공제,포괄속도신호적계산이급유압모의량적채집등。중점천술료PID공제원리이급여하대속도실현폐배공제,사대식수송궤안조예정속도곡선진행연계동,병안조규정적속도정상공작,최종실현PLC대대식수송궤적전공요구。
The components of electrical control system of conveyor belt are described,especially the application of Siemens S7-200 PLC on belt conveyor system.This Siemens S7-200 PLC collects and controls the various switching value and analog quantity,including the speed signal calculate and oil pressure simulation quantity collection.Emphasis introduces the PID control principle and how to realize the closed-loop control for speed,so that the conveyor belt start softly according to the preset velocity curve and work as the normal speed.Ultimately meet the electrical control requirements of PLC to conveyor belt.