诚信承诺书本人郑重承诺和声明：我承诺在毕业论文撰写过程中遵守学校有关规定，恪守学术规范，此毕业设计中均系本人在指导教师指导下独立完成，没有剽窃、抄袭他人的学术观点、思想和成果，没有篡改研究数据，凡涉及其他作者的观点和材料，均作了注释，如有违规行为发生，我愿意承担一切责任，接受学校的处理，并且承担相应的法律责任。毕业设计作者签名：年月日I摘要电梯是现代生活中重要的交通运输工具，是集自动控制原理、机械原理应用、电气控制技术、微处理器技术、系统工程学等多学科和技术分支于一体的机电设备。本设计选用STC89C52单片机为核心控制元件，设计一个三层电梯控制系统，使用C语言进行编程，实现运送乘客到任意楼层，显示电梯当前楼层及上下行等基本功能。利用单片机设计电梯控制系统，具有通用性强，灵活性大、成本低及易于实现复杂控制等优点。由于其系统实现的功能简单，因此具有一定的可扩展性。关键词：电梯、STC89C52、控制系统IIABSTRACTElevatorisaimportanttransportofdailylife,thatapplicationoftheprinciplesetmachinery,electricalconrtltechnology,microprocessortechnology,systemsengineeringanothertechnicaldisiplinesandbranchesoftheintegrationofmechanicalandelectricaequipment.ThispaperchoicesSTC89C52controlofthecorecomponents,designedanew3storeyliftsystems,usingClanguageprogramming,transportingpassengersarrivedafloor,italsoshowstheelevatorflooranddownlinkSCMcontrorselevatorlowcost,versatilityandflexibilityandeaseoflargecomplexcontroladvantages.Becauseofthefunctionofthesystemissimple,soithascertainscalality.Keywords:Elevator、STC89C52、controllersystemIII目录第一章绪论...................................................................................................................................................11.1课题研究的意义及目的...........................................................................................................................11.2课题研究方向...........................................................................................................................................11.3总体设计要求及设计方案.......................................................................................................................2第二章电梯的概述.........................................................................................................................................32.1电梯的发展史...........................................................................................................................................32.2电梯的发展方向.......................................................................................................................................3第三章硬件设计.............................................................................................................................................43.1系统方案分析...........................................................................................................................................43.2硬件系统...................................................................................................................................................5单片机最小系统...........................................................................................................................................5STC89C52单片机......................................................................................................................................5时钟电路....................................................
