(边江)智能立体仓库物品定位的PLC自动控制系统

沈阳理工大学学士学位论文I摘要可编程控制器（简称PLC或PC）是一种新型的具有极高可靠性的通用工业自动化控制装置。它具有控制能力强、可靠性高、配置灵活、编程简单、使用方便、易于扩展等优点。目前，可编程控制器成为工业自动化领域中最重要、应用最多的控制装置，居工业生产自动化三大支柱（可编程控制器、机器人、计算机辅助设计与制造）的首位。其应用的深度和广度成为衡量一个国家工业自动化程度高低的标志。应用PLC成为世界的潮流，PLC将在我国得到更全面的推广应用。企业现代化生产规模的不断扩大和深化，使得仓库成为生产物流系统中的一个重要且不可缺少的环节。立体仓库正以它最小的占地面积和最佳的空间利用率，逐步替代面积利用率极低且陈旧落后的平面仓库，这种替代促使仓储物流业的水平提高。为满足现代化生产与流通的需要，就必须采用以计算机控制技术为主要手段组成的自动化立体仓库控制系统。自动化立体仓库为现代物流系统的主要设备，是一种多层存放货物的高层仓库系统。也是CIMS的集成环节之一，在FMS和FAS中占有非常重要的地位。关键词：可编程控制器；立体仓库；控制系统沈阳理工大学学士学位论文IIAbstractProgrammableLogicController(PLC)isamoderncontrolequipmentofindustrialautomationwhichhashighlyreliability.Ithasalotofmerits.Suchasstrongholdingcapacity、highlyreliability、assignmentflexibility、compilingprogrameasily、usedexpedientlyandexpansioneasily.Atpresent，PLCbecomesthemostimportantinindustrializationrealmandthemostapplicationcontroldevice.Itisthefirstplaceinthethreesupportsoftheindustrialautomatedproduction(PLC、Industrialrobot、Computer-aideddesignandmanufacture).ItistrendofthetimesoftheworldtousePLCandPLCwillbeusedspeedilyoverallinourcountry.Withtheproducescaleofmodernizationbusinessismoreandmoreexpanderanddeeper,warehouseismoreimportantandindispensableinproducingproceduresystem.Stereoscopicwarehousewhichtakessmallestareandthebestutilizationratioinspaceinsteadofplanewarehouse.thiscanimprovethelevelofthewarehouseprocedure.ItneedstouseSolidAutomatedWarehouse(SAW)whichismadeofcomputercontroltechnologytobefullofmodernizationproduceandcirculate.SAWisthemainequipmentinthemoderncirculatesystemandnotonlyoneofCIMSintegratedlinkbutalsostrongstatusinFMSandFAS.Keywords:ProgrammableLogicController;Stereoscopicwarehouse;Thecontrolsystem沈阳理工大学学士学位论文III目录1引言....................................................................................................................................12PLC的简介..........................................................................................................................22.1可编程控制器发展史...............................................................................................22.2PLC的构成................................................................................................................32.2.1CPU模块.......................................................................................................32.2.2I/O模块..........................................................................................................42.2.3电源模块........................................................................................................42.3可编程控制器实现控制的要点...............................................................................42.4西门子S7-200介绍.................................................................................................52.5CPU226简介............................................................................................................62.6编程软件...................................................................................................................82.6.1基本功能........................................................................................................82.6.2三种编程器的特点........................................................................................83定位自动控制系统总体设计............................................................................................103.1功能分析.................................................................................................................103.2定位自动控制系统PLC选型和资源配置...........................................................113.2.1PLC选型......................................................................................................113.2.2PLC的I/O资源配置..................................................................................133.2.3其他资源配置..............................................................................................143.3控制系统的主要功能.............................................................................................153.3.1工作方式选择..............................................................................................153.3.2变频调速系统控制......................................................................................163.3.3货叉伸缩控制..............................................................................................183.4控制原理分析.........................................................................................................183.5模型的自动寻址.....................................................................................................204控制系统PLC程序设计流程...........................................................................................214.1程序设计思路.........................................................................................................214.2程序流程图.............................................................................................................215智能立体仓库物品定位自动控制系统的PLC程序说明...............................................235.1程序初始化.............................................................................................................235.2列向自动运行...........