****本科毕业设计[自动控制升降电梯控制电路设计]学生姓名： 学生学号： 院（系）： 机电工程学院 年级专业： 机械设计制造及其自动化指导老师： 二〇 年 月摘 要随着我国经济的高速进展，微电子技术、计算机技术和自动控制技术也得到了迅速进展，沟通变频调速技术已经进入一个崭新的时代，其应用越来越广。本文在已有的通用变频器的基础上，采纳 PLC 可编程控制器对电梯进行控制，通过合理的选择 PLC 可编程控制器和拖动电机，以及对控制系统程序的设计，提高了电梯的控制水平和可靠性，降低了故障率，提高了电梯运行速度，并改善了电梯运行的舒适感，使电梯达到了较为理想的控制效果。关键词 PLC 控制，变频调速，电梯，舒适感ABSTRACTWith the development of the economy, microelectronic technology, computer technology and the automatic theory are developed rapidly, the AC variable frequency technology has been in a new state. The article is based on the now-being general frequency converter, using PLC to control the elevator, the reliability is improved and the feeling of comfort is better through the reasonable selection and design, so the effect of control is more ideal.Keywords PLC control, frequency conversion timing, elevator, felling of comfort 目 录摘 要..............................................................................................................................IABSTRACT.................................................................................................................II1 绪论............................................................................................................................11.1 电梯的进展.............................................................................................................................11.1.1 电梯的进展现状..............................................................................................................21.1.2 电梯技术进展.......................................................................................................
