目 录摘 要.........................................................................................................................1Design of Five-storey Elevator Control System Based on PLC................................1第一章 引言.............................................................................................................21.1 设计背景...................................................................................................21.2 课题讨论背景和意义.................................................................................21.3 本文的讨论目标.........................................................................................3第二章 电梯的概述.................................................................................................42.1 电梯工作原理.............................................................................................42.2 系统控制方案设计...................................................................................52.2.1 控制方式的选择.................................................................................................52.2.2 电梯控制系统的控制要求.................................................................................52.2.3 电梯控制系统总体方案的确定.........................................................................6第三章 系统硬件设计...........................................................................................83.1 电梯调速系统设计...................................................................................83.1.1 电梯的快速性要求.............................................................................................83.1.2 电梯舒适度的要求.............................................................................................83.2 井道信号系统设计...................................................................................93.3 电梯模型结构............................................................................
