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目录基于plc的大楼物业供水系统设计目录第1章绪论..................................................................................................................................................-3-1.1自动售货机的理论背景与实际意义....................................................................................................-3-1.2自动售货机的主要内容.......................................................................................................................-3-1.3自动售货机的设计思路.......................................................................................................................-4-第2章自动售卖机研究现状以及相关技术应用研究..........................................................................-5-2.1国外自动售卖机研究现状...................................................................................................................-5-2.2国内自动售卖机研究现.......................................................................................................................-6-第3章自动售卖机研究流程与方法......................................................................................................-8-3.1目标市场研究分析...............................................................................................................................-8-3.1.1珠江新城的总体介绍.....................................................................................................................-8-3.1.2珠江新城房价概况.........................................................................................................................-9-3.2珠江新城消费人群分析.....................................................................................................................-13-3.3自动售卖机现状分析.........................................................................................................................-14-3.3.1自动售卖机的结构.......................................................................................................................-14-3.3.2自动售卖机的用户研究...............................................................................................................-16-3.3.3现有自动售卖机的调研分析.......................................................................................................-19-第4章PLC简述...................................................................................................................................-21-4.1PLC的定义..........................................................................................................................................-21-4.2PLC的简介..........................................................................................................................................-21-4.3PLC的工作原理..................................................................................................................................-21-4.4PLC的工作方式..................................................................................................................................-22-4.5PLC的硬件组成..................................................................................................................................-23-4.6PLC的编程语言......................................................................................................