列车空气动力学论文：基于Wi-Fi的无线传感器网络检测系统的设计.doc

列车空气动力学论文：基于Wi-Fi的无线传感器网络检测系统的设计【中文摘要】随着我国高速铁路的快速发展,高速列车运行过程中的空气动力效应对于行车安全性、经济性,旅客乘坐舒适性以及周围环境等均有很大影响,因此高速列车的空气动力学试验具有十分重要的意义。本论文基于无线传感器网络技术和测试技术,设计了高速列车空气动力学试验的无线传感器网络检测系统方案。本系统分为无线传感器节点,汇聚节点以及终端节点,并主要进行无线传感器节点的设计,分为传感器模块,微控制器模块,数据采集模块,存储模块,通信模块和电源模块的设计,在硬件上主要采用了ST公司的STM32芯片作为微控制器和GainSpan公司的低功耗Wi-Fi芯片GS1010作为无线通信控制器等来设计电路,软件上移植了嵌入式实时操作系统RT-Thread并创建了应用程序,实现了数据采集,存储和通信的功能,完成了空气动力学试验检测系统的设计。本论文研究基于Wi-Fi的无线传感器网络检测系统,所完成的工作主要是以下几个方面：1.简要介绍了高速列车空气动力学试验的背景和意义,根据实车试验的发展现状,选择合适的检测系统方案,设计了无线传感器网络检测系统。2.分析了该检测系统的基础无线传感器网络技术,并根据当前的发展应用以及试验要求,比较了各种无线技术,选择Wi-Fi作为无线传感器网络的构建方案。3.设计无线传感器网络检测系统总体结构,分为无线传感器节点,汇聚节点和终端节点,研究了无线传感器节点软硬件并分别从传感器模块,微控制器模块,数据采集模块,存储模块,通信模块和电源模块进行设计。4.调试系统并将其应用在高速列车空气动力学实车试验中。【英文摘要】With the rapid development of the high-speed railway in our country, aerodynamics effect has been caused when high-speed train is in motion, which have adverse effects on trains safety, economical efficiency, passengers comfort and environment. Therefore, it is necessary to research high-speed train aerodynamics.The thesis achieves the design of wireless sensor network detection system solution based on wireless sensor network technology and testing technology. The system consists of wireless sensor node, aggregation node and terminal node. The thesis mainly designs the wireless sensor node, which includes sensor module, micro-controller module, data acquisition module, storage module, communication module and power module. STM32 form ST Corporation is adopted as micro-controller and low power Wi-Fi chip GS1010 form GainSpan Corporation as wireless communication controller. Embedded real time operating system RT-Thread is transplanted and application software is builded, data acquisition, storage and communication function is achieved, the design of the system is accomplished.The thesis research wireless sensor network detection system based on Wi-Fi, the main work is described in details as follows:1. Describe the background and significance of high-speed railway aerodynamics experiment briefly. Detection system solution is selected suitably and wireless sensor network detection system is designed.2. Analyse the detection system base-wireless sensor network technology and its development and application. Compare various kinds of wireless technology and select Wi-Fi as wireless sensor network solution.3. Design the whole wireless sensor network structure, including wireless sensor node, aggregation node and terminal node. Research the wireless sensor node in terms of hardware and software, in cosist of sensor module, micro-controller module, data acquisition module, storage module, communication module and power module.4. Debug the system and apply it in the high-speed train aerodynamics experiment.【关键词】列车空气动力学 无线检测系统 Wi-Fi 嵌入式系统 GS1010【英文关键词】Train Aerodynamics Wireless Detection System Wi-Fi Embedded system GS1010【目录】基于Wi-Fi的无线传感器网络检测系统的设计摘要6-7Abstract7第1章 绪论11-151.1 论文研究的背景和意义111.2 实车试验检测系统发展现状11-121.3 本论文的研究内容12-141.3.1 无线传感器网络检测系统的优势12-131.3.2 研究内容及论文结构13-14本章小结14-15第2章 无线传感器网络15-242.1 短距离无线通信技术15-172.2 Wi-Fi技术17-192.2.1 Wi-Fi的由来172.2.2 IEEE802.11标准17-182.2.3 Wi-Fi的发展与应用18-192.3 无线传感器网络技术19-232.3.1 无线传感器网络结构体系19-212.3.2 无线传感器网络特点21-222.3.3 Wi-Fi无线传感器网络22-23本章小结23-24第3章 无线传感器网络检测系统总体设计24-293.1 无线传感器节点设计24-253.2 汇聚节点设计25-283.3 终端节点设计28本章小结28-29第4章 无线传感器网络检测系统软硬件设计29-544.1 传感器模块294.2 微控制器模块29-344.2.1 微控制器硬件设计30-314.2.2 微控制器软件设计31-344.2.2.1 RT-Thread简介31-324.2.2.2 RT-Thread移植32-334.2.2.3 软件总体设计33-344.3 数据采集模块34-394.3.1 数据采集硬件设计34-384.3.1.1 信号调理电路设计35-364.3.1.2 AD芯片选择36-374.3.1.3 数据采集电路设计37-384.3.2 数据采集软件设计38-394.4 存储模块39-424.4.1 SD卡硬件设计404.4.2 SD卡软件设计40-424.4.2.1 SDIO简介40-414.4.2.2 SDIO软件设计41-424.5 通信模块42-524.5.1 GS1010芯片介绍42-444.5.1.1 片上结构42-434.5.1.2 内部功能43-444.5.2 GS1010硬件设计44-454.5.3 GS1010软件设计45-524.5.3.1 总体流程46-474.5.3.2 数据存储与配置47-494.5.3.3 网络连接49-504.5.3.4 数据发送50-514.5.3.5 电源管理51-524.6 电源模块52-534.7 硬件电路抗干扰53本章小结