嵌入式系统基础B考试论文格式及要求.docVIP

嵌入式系统基础B 论文题目 用 系专业班级姓名Development of Embedded Elevator Control SystemBased on ARM Technology Gaobo （Electronic Engineering Department,North China Institute of Aerospace Engineering,Langfang 065000,China） Abstract: Elevator control system is the core of elevator technology which combines thelift’S mechanical components organically toachieve the complaxed functions，stableand efficient operation of the elevator．With the rapid development of electronictechnology,elevator control system has undergone the course of development：relaycontrol，programmable logic device control，intelligent computer contr01．This papersummarizes the current elevator control system，and designs a collective selectiveelevator control system based on the ARM technology and the industrial field bus CAN(Control Area Network)in which vvvf frequency speed control technology is used．The control system Can be equipped with different kinds of inverters and motors，includingasynchronous motor and permanent magnet synchronous motor．It adapts that total floorsare smaller than 64 and elevator speed is smaller than 4rn／s。This paper outlines the control strategy of the embeded elevator control system andelaborates the hardware structure and software design of the master controller,whose coreprocessor iS LPC2378 based on ARM7 architecture．Improving elevatorrun-time comfort and operating efficiency is our target．In order to optimize the start·up comfort，the fuzzy control technology in the application of load torque compensation is discussed．Based on describing the CANOpen protocal in details，a CAN applicationprotocal inheritted from CANOpen is also designed which realizes the real-time and reliable communication between all controllers． Kspeed curve CAN fuzzy control 引言 随着我国经济的不断发展，高层建筑的不断涌现，电梯的需求量依然在增加。而随着社会的发展，人们对电梯的快速性、乘坐舒适感、安全稳定性能、节约能源等提出了更高的要求，因此电梯控制技术的研究有着重要的经济意义与现实意义。 当前的微机控制系统中，由于嵌入式微处理器的多样性，使得微机控制系统种类较多。目前常用的嵌入式微处理器通常有8位或16位单片机、ARM微处理器。8位或16位单片机由