| 车载无线系统定位系统设计 |
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| 引用本文： | 季 淦,肖广兵,张 涌.车载无线系统定位系统设计[J].教育技术导刊,2009,19(10):165-168. |
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| 作者姓名： | 季 淦 肖广兵 张 涌 |
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| 作者单位： | 南京林业大学 汽车与交通工程学院，江苏 南京 210037 |
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| 基金项目： | 国家自然科学基金项目（61803206）；产业前瞻与共性关键技术重点项目（BE2017008-2）；南京林业大学青年科学创新基金项目（CX2018004）；南京林业大学自制实验教学仪器项目（nlzzyq201827） |
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| 摘 要： | 基于无线传感网络的车载虚拟雷达协同定位系统，能够实时显示周围邻居车辆运行状态，包含车速、方向、预警信息等，以提高车辆对周围道路交通环境综合感知能力，降低道路交通安全风险。系统主要包括支持自组织时分复用（STDMA）通信的车载无线传感模块、虚拟雷达仪表显示、树莓派核心处理单元以及相应的板载通信电路。车辆通过与智能基站进行周围性消息广播，对自身地理位置信息及周围其它车辆的地理位置信息进行精准估计。在对协同定位系统进行硬件电路设计的同时，还利用Visual Basic对系统软件的工作界面进行设计，能够直观显示周围邻居车辆的运行状态信息，实现对车辆在全球定位系统（GPS）信号弱或无GPS信号下的精准协同定位和显示。系统具有较好的实时性和精准度，能够为当前智能车辆以及未来无人驾驶的高精度定位服务要求提供保障。
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| 关 键 词： | 无线传感网络 车载定位 无人驾驶 GPS |
| 收稿时间： | 2020-03-13 |
The Development of Cooperative Positioning System for Mobile Vehicles |
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| JI Gan,XIAO Guang-bing,ZHANG Yong.The Development of Cooperative Positioning System for Mobile Vehicles[J].Introduction of Educational Technology,2009,19(10):165-168. |
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| Authors: | JI Gan XIAO Guang-bing ZHANG Yong |
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| Institution: | College of Automotive and Transportation Engineering，Nanjing Forestry University，Nanjing 210037，China |
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| Abstract: | In this paper， a cooperative positioning system based on wireless sensor network is designed， which can display the related operation status of surrounding vehicles in real time， including speed， direction， early warning information， etc.， in order to improve the ability of comprehensive perception of surrounding road traffic environment and reduce the risk of road traffic safety. The system mainly includes vehicle wireless sensor module， virtual radar instrument display， Raspberry core processing unit and corresponding on-board communication circuit which supports self-organized time division media access （STDMA） communication. Vehicles broadcast the surrounding information with intelligent base station to accurately estimate their own geographic location information and the geographic location information of other vehicles around. In addition， while designing the hardware circuit of the system， the working interface of the system software is also designed by using visual basic， which can display the running state information of the neighboring vehicles intuitively， and realize the precise cooperative positioning and display of the vehicles in the global positioning system （GPS） signal weak or without GPS signal. The system has better real-time and accuracy， and can provide guarantee for the current intelligent vehicles and the future unmanned high-precision positioning service requirements. |
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| Keywords: | wireless sensor network vehiclelocation driverless GPS |
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