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1、一汽集团青年科技协会交流论文 I 电控柴油机远程诊断及数据采集系统开发电控柴油机远程诊断及数据采集系统开发 The Research and Development in Remote Diagnosis and Data Acquistion System of Electronic Control Diesel Engine 部部 门门：研发部研发部 姓姓 名名：杨杨 洋洋 电控柴油机远程诊断及数据采集系统开发 II 摘 要 随着信息技术的不断发展， 各车辆制造商之间的竞争俨然从价格竞争演变为品牌、服务和技术的竞争。近几年，以 Telematics 为代表的高新技术在汽车上的应用越来越受到
2、车辆制造商和用户的青睐，车辆运行数据的采集、远程诊断、位置服务、通信服务等功能的嵌入，大大提升了车企的综合竞争力和售后服务能力，越来越受到终端客户的喜爱。 除满足终端客户需求外， 远程数据采集系统采集到的海量车辆运行数据还能够应用于整车及发动机标定优化。研究表明，路谱与匹配技术、发动机技术与驾驶技术对整车油耗的影响分别占 30%、15%、25%。如果能够借助远程数据采集系统对发动机行驶工况进行研究，有利于对发动机进行针对性开发，降低油耗，提升动力性。此外，新能源汽车的监控、车辆远程诊断和救援等需求，也是远程数据采集系统持续受到关注的原因。 笔者作为主要负责人参与了一汽锡柴 RDS 柴油机远程诊
3、断及数据采集系统（Remote Data Sampling system）的开发。RDS 系统结合车用柴油机行业的特点，以 GPRS/GPS/CAN 等技术为基础,由数据采集终端、RDS 服务器、RDS 监控界面三部分构成。RDS 数据采集终端集成了 GPS 定位模块、GPRS 通信模块、CAN 总线模块，使用意法半导体的 STM32F10 微控制器，基本满足整车端的数据采集和远程通信功能。RDS 服务器软件按照云计算的共享基础架构进行开发。RDS 监控界面采用了 B/S 结构进行设计， 方便用户使用， 实现了车辆管理、 车辆分布查询、柴油机实时工况查询、柴油机异常状况预警、柴油机远程故障诊断
4、、行驶区域管理、里程/时间/油耗分析、远程锁车、载荷识别等功能。RDS 系统已在多辆试验车上使用，经实际测试，系统性能稳定可靠。 主题词：电控柴油机，远程监控系统，故障诊断， GPS，CAN，GPRS 一汽集团青年科技协会交流论文 III ABSTRACT With the development of information technology, the competition between the vehicle manufacturers has shifted from price competition to the competition of brand, service a
5、nd technology. Recently, the high technology represented by Telematics is used more and more widely by vehicle manufacturers. The functions such as the vehicle running data acquisition, remote diagnosis, location service, communication services have greatly improved the vehicle manufacturers competi
6、tiveness and customer service ability. In addition to meeting customersdemands, mass of vehicle running data can also be applied to the optimization of vehicle and engine calibration. Research showed that the effects of road spectrum and matching technology, engine technology and driving technology
7、on vehicle fuel consumption account for 30%, 15%, 25% respectively. If remote data acquisition system is taken good use of, it will help to promote the research of the engine, reduce fuel consumption, and improve dynamical capability. In addition, demands for new energy vehicle monitoring, remote di
8、agnosis and rescue are also a reason for the continued attention to remote data acquisition system. The remote diagnosis and data acquisition system (Remote Data Sampling system) is developed on the basis of the characteristics of automobile industry, and designed a remote data acquisition system ba
9、sed on GPRS/GPS/CAN technology. The system is composed of terminal, server, and monitor interface. Terminal uses the STMicroelectronicss STM32F10 micro controller which is integrated with the GPS positioning module, GPRS communication module, and CAN bus module. The server software has three levels,
10、 namely, SaaS (software as a service), PaaS (platform as a service), and IaaS (hardware as a service). The user interface uses the B/S structure design, which is user-friendly, and can fulfill the functions as the vehicle management, vehicle distribution query, query of real-time condition of diesel
11、 engines, abnormal status warning, remote fault diagnosis of diesel engines, driving region management, mileage / time / fuel consumption analysis, load identification function and so on. Having been tested to be reliable and stable, the system has already been used on many experimental cars. Key wo
12、rds: electric diesel engine, remote monitoring system, fault diagnosis, RDS, GPS, CAN, GPRS 电控柴油机远程诊断及数据采集系统开发 IV 目目 录录 第一章第一章 引言引言. 1 1.1 选题背景和意义 . 1 1.2 远程监控系统 . 2 1.2.1 国外研究现状 . 4 1.2.2 国内研究现状 . 4 1.3 车联网发展及现状 . 5 1.3.1 国外发展现状 . 5 1.3.2 国内发展现状 . 6 1.4 课题研究思路及内容 . 7 第二章第二章 RDS 远程诊断及监控系统技术原理远程诊断及监控系统技术原理 . 8 2.1 GPRS . 8 2.1.1 GPRS 分组交换通信技术 . 8 2.1.2 GPRS 网络结构 . 8 2.2 GPS . 9 2.2.1 GPS 系统构成 .
