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1、最新 精品 Word 欢迎下载 可修改摘要当今世界，人们在飞速创造财富和发展文明的同时，也带来了许多负面的效应，环保和能源就是其中重要的两个方面。而传统汽车的大量使用，是造成环境污染和不可再生能源巨大消耗的重要因素。电动车以其排放少、噪声低等优点正受到广泛的关注，世界各国都把电动车作为汽车工业的发展方向。因此，对电动车行驶中各项参数的监测是关系到电动车实用化、商品化的关键技术之一，对环境保护和节约能源等方面都具有重要意义。本文采用PHILIPS公司基于ARM7TDMI-S核的LPC2131芯片为微处理器，设计了针对电动车的蓄电池电压、电流、温度和车速信息进行监测，并使用GPRS无线通信技术进行
2、远端数据传送。LPC2131是一个支持实时仿真和跟踪的微处理器，具有流水线技术和低功耗、高性能等特点。在电动车行驶信息检测方面，选用了霍尔和热敏电阻传感器，为数据的准确采集提供了可靠措施。同时在远程端数据传输上，本系统选择了GPRS模块MC55，其尺寸小、重量轻、传输速度快等优势保证了电动车的远程监控。关键词 电动车 蓄电池 LPC2131 GPRSAbstractTodays world, people create wealth and rapid development of a civil the same time, also brought many negative effect
3、s, environmental protection and energy could be an important on two levels. Widely used in traditional cars is causing enormous environmental pollution and consumption of non-renewable energy an important factor. Its emissions than electric vehicles, and low noise are widespread attention, and every
4、 country in the worlds electric car development as the automotive industry. Therefore, the parameters of a moving electric vehicle monitoring is related to the electric vehicle practical, commercial one of the key technologies for environmental protection and energy conservation are all so important
5、.In this paper, based on the ARM7TDMI-S PHILIPS company LPC2131 chip for the microprocessor core, designed for electric vehicle battery voltage, current, temperature and speed monitoring information and uses GPRS wireless communication technology for remote data transmission. LPC2131 is a real-time
6、simulation and tracking of the microprocessor, with the assembly line technology and low power, high performance and so on. Traffic information detection in electric vehicles, the use of the Hall and thermistor sensors for accurate data collection to provide a reliable measure. At the same time data
7、 transmission on the remote side, the system selected the GPRS module MC55, its small size, light weight, fast transmission of electric cars and other advantages to ensure remote monitoring.Key words electric car batteries LPC2131 GPRS目录摘要IAbstractII第一章 绪论11.1研究的背景及意义11.2 电动车发展概况2国外电动车发展情况2国内电动车发展情况
8、4电动车发展过程中存在的问题61.3 远程监控发展概况61.4 本文研究的主要内容7第二章 远程数据传输方案选择82.1 方案分析与比较82.2 GPRS无线通信系统10的网络结构10移动台状态分析11第三章 系统硬件部分的设计133.1 蓄电池数据检测部分设计14电压检测电路部分设计14电流检测电路部分设计15温度检测电路部分设计163.2 车速检测部分设计173.3 微处理器电路部分设计19微处理器的选择19系统复位电路设计19系统JTAG接口电路设计193.4 按键和显示电路部分设计213.5 GPRS通信电路部分设计22模块选择22卡电路233.6 控制电路部分设计243.7 系统电源
9、电路部分设计25第四章 系统软件部分的设计274.1 监控系统主程序的设计274.2 电池数据检测部分程序的设计284.3 按键部分程序的设计294.4 GPRS通信部分程序的设计30第五章 系统抗干扰部分设计315.1 干扰分析315.2 系统硬件抗干扰设计32电源干扰控制32隔离技术32过压保护电路33去耦技术33硬件监控电路335.3 系统软件抗干扰设计34数字滤波技术34指令冗余技术34重复功能设定法35软件看门狗电路35结论36致谢37参考文献38附录40Contents摘要IAbstractIIChapterIntroduction11.1 The background and s
10、ignificance of the subject11.2 Development of electric vehicles2The development of electric vehicles abroad2The development of the domestic electric vehicles4Electric vehicle development problems61.3 Development of remote monitoring61.4 The main contents of this paper7Chapter Remote data transmissio
11、n scheme of choice82.1 The program analysis and comparison82.2 GPRS wireless communication system10 GPRS network architecture10GPRS mobile station state analysis11Chapter The design of the system hardware section133.1 Battery data detection part design14Voltage detection circuitry design14Current de
12、tection circuitry design15Temperature detection circuitry design163.2 Design speed detection173.3 Microprocessor circuit design19The choice of microprocessor19System reset circuit design19System JTAG interface circuit design193.4 The key and display circuitry design213.5 GPRS communication circuit p
13、art of the design22GPRS module choice22SIM card circuit233.6 Control circuit design243.7 The system power circuit design25Chapter System software design274.1 The main design of the monitoring system274.2 Battery data detection portion of the program design284.3 The key part of the program design294.
14、4 Part of the process design GPRS communication30Chapter Systematic anti-interference design315.1 Interference analysis315.2 Hardware interference of the system32Control the power interference32Isolation technology32Over-voltage protection circuit33Decoupling techniques33Hardware Monitor circuit335.
15、3 Software interference of the system34 Digital filter technology34Technical Instruction redundancy34Repeat function setting method35Software watchdog circuit35Conclusion36Thanks37References38Appendix40第一章 绪论1.1研究的背景及意义在中国改革开放经济脚步加快的情况下，当今的科学技术和经济飞速发展，交通系统的空前发展也是必然的。交通是和每个人都息息相关的事情，这几年公路运输已经成为超越铁路的最重要的地面运输方式，在国民经济和社会发展中起着举足轻重的作用。随着汽车的普及,使汽车在整个社会进步和经济发展中扮演着非常重要的角色，汽车工业的迅速发展推动了
