《基于CAN总线的车门控制系统》由会员分享，可在线阅读，更多相关《基于CAN总线的车门控制系统（86页珍藏版）》请在金锄头文库上搜索。
1、山东科技大学学士学位论文1摘要随着汽车电子技术的不断发展，汽车上的各种电子装置越来越多，电子控制装置之间的通讯也越来越复杂，而汽车上传统的电气系统大多采用点对点的单一通信方式，相互之间少有联系，造成了庞大的布线系统，已远远不能满足汽车愈加复杂的控制系统要求。汽车控制局域网 CAN 总线应运而生，它广泛应用于汽车电子控制系统中，为实现汽车控制部件的智能化和汽车控制系统的网络化提供了一个有效的途径和方法。本课题以基于 CAN 总线的汽车车身控制系统为研究对象，主要做了以下几方面的工作：首先，介绍了目前国际汽车电子技术的现状与发展趋势，比较了当今汽车网络主流技术，充分分析了当前比较流行的几种现场总线
2、性能和特点，对基于 CAN 总线的汽车车身控制系统进行了深入研究。其次，描述了系统的硬件设计与开发过程。根据实际应用情况的需求，确定了系统各模块的设计方案。具体描述了系统各控制节点的功能，详细介绍了主控制芯片外围电路、CAN 通讯模块电路、车灯控制电路、雨刮器控制电路、门锁电机控制电路、车窗电机控制电路、电动后视镜控制电路、开关量检测电路等各个模块的硬件电路结构。再次，描述了系统的软件设计与开发过程。介绍了系统 CAN 通讯模块的通信流程，描述了系统各子模块程序的开发流程，给出了车灯控制模块及车门控制模块的程序结构和软件设计流程，以左前门控制器单元和前车灯控制器单元为例说明了控制器主程序、车灯
3、控制程序、车窗电机控制程序以及后视镜控制程序的结构。最后，介绍了系统的软、硬件的可靠性设计与开发过程，针对系统设计的干扰因素进行了分析并提出了相应的抗干扰措施，最终完成了系统的设计工作，实现了车身控制系统的电动车窗控制、车灯控制、雨刮器控制山东科技大学学士学位论文2和后视镜控制等功能，将车身控制功能集成化、网络化。研究表明，基于 CAN 总线的汽车车身控制系统是可行的并且能够很好满足现代汽车车身控制的需求。关键词：CAN 总线，车身控制系统，汽车电子AbstractWith the rapid development of the automotive electronics technolo
4、gy ,the communication between the electronic control devices are also more and more complexand most of the traditional automotive electrical systems using a single point-to-point communication modeand the electronic devices has little contact with each other ,resulting in a large amount of cabling s
5、ystemSo the traditional system has been unable to meet the more complex control requirements And the CAN bus came into being ,it is widely used in automotive electronic control system for the implementation of intelligent vehicle control components and automotive control system network to provide an
6、 effective means and methodsThis dissertation study the Automobile Electronic Control System based on CANThe following works have been presented in this projectThis dissertation study the Automobile Electronic Control System based on CAN The following works have been presented in this projectFirstly
7、, introduce the current and development trends of the international automotive electronics technology, compare the mainstream of todays automotive network technologiesanalyzes several current popular field bus performance and characteristicsand then study the CAN-based automotive control systems山东科技
8、大学学士学位论文3Furthermore， describes the system hardware design and development processDetermine the modules design based on the actual needs of the systemDescribes the specific function of each control node，details the main controller circuitCAN communication module circuit, lights control circuit, wipe
9、r control circuit, locks motor control circuit, window motor control circuit, rear-view mirror control circuit, switch detection circuit modules and other hardware circuit structureMoreover, describe the software design and development processIntroduce the communication processes of the CAN communic
10、ation module system, describes the program development process of the systems sub-module, present the program structure and software design processes of the lamp control module and the door control moduletake the front left headlight controller unit and the former controller unit as the example to d
11、escribe the structure of the main controller, lights control, motor window control and the rearview mirror control proceduresFinally, describes the reliability design process of the system, analyze the interfering factors of the systems design, propose the corresponding anti-jamming measures, and th
12、en realize the control systems functions, such as the motor windows control, lights contr01wiper control and rearview mirror Control and other functionsFrom the work which has been done in this projectthe conclusion Can be draw mat Automobile Electronic Control System based on CAN is feasible and us
13、efulKeyword: CAN, body control system, Automotive Electronics.山东科技大学学士学位论文4目录第 1 章 绪论 .71.1 课题研究的背景 .71.2 课题研究的国内外现状及发展动态 .81.2.1 目前国内外主流的车身控制技术及其特点 .81.2.2 目前国内外主流的汽车网络总线技术及其特点 .111.3 课题研究的目的和意义 .131.4 本文研究的内容及要完成的工作 .14第 2 章 汽车车载总线的基础知识与网络协议 .152.1 CAN 总线简介 .152.1.1 CAN 总线协议的性能特点 .152.1.2 CAN 总线协议的发展历史 .162.2 CAN 总线协议的网络分层模型及网络拓扑结构 .172.2.1 CAN 总线协议的网络分层模型 .172.2.2 CAN 总线协议的网络拓扑结构 .202.3 CAN 总线协议报文传输及帧结构 .222.3.1 逻辑电平定义 .222.3.2 CAN 总线协议报文的帧结构 .232.4 CAN 总线协议的通信错误处理机制 .292.4.1 错误类型 .292.4.2 错误界定 .302.5 CAN 总线协议的位定时与同步 .312.6 本章小结 .33第章 车门控制系统的方案确定 .34山东科技大学学士学位论文53.1 车门控制系统的总体设计方案 .343.
