PLC在带式输送机闭环控制的应用  

Application of PLC on Conveyor Belt Closed-Loop Control

作　　者：张晓永[1] 宗成国[1] 张超[1] 徐鲁辉[1] 

机构地区：[1]山东科技大学机械电子工程学院,山东青岛266510

出　　处：《煤矿机电》2011年第5期58-60,共3页Colliery Mechanical & Electrical Technology

摘　　要：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。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.

关 键 词：带式输送机 PLC可编程控制器 闭环控制 PID控制器 

分 类 号：TD634.1[矿业工程—矿山机电]