基于GPS和GPRS物流实时定位系统
发布时间：2019-01-11 18:29
【摘要】：本论文首先介绍了GPS定位系统背景和国内外发展现状,并详细阐述了研究课题所涉及到的具体相关技术。研究采用的GPRS无线通信网络对GPS终端车辆进行实时监控与调度。该系统涉及了GPS定位技术、数据库存储访问技术、地理信息技术、计算机网络技术和数据结构算法等相结合的知识。文中研究的GPS车辆定位监控系统具体分为三个部分：移动车载终端DTU模块、计算机网络和无线GPRS通信网络以及数据库服务中心。对车载终端DTU模块进行初始化设备配置及安装,选择最优的网络接入方案、虚拟串口调试以及无线网络协议的配置,从而搭建并完善整体系统使其正常运作。 服务器端对系统界面进行设计、数据格式解析并存储,设计合理的查找和存储更新算法。由上述工作对车辆进行实时位置监控,合理的远程调度,并对信息进行添加、修改删除、查询、同时观察历史轨迹。由于现有的条件局限,本文模拟多台终端GPS模块向数据库服务器不间断发送信息,设计方法利用Zip分布和泊松分布模拟多台数据终端DTU随机的向服务器发送GPS数据。 GPS车载定位系统的研究关系着现今社会经济发展,GPS技术已应用在智能交通控制、物流配送货物以及小轿车定位导航等方面。
[Abstract]:This paper first introduces the background of GPS positioning system and the current situation of development at home and abroad, and describes the specific related technologies involved in the research in detail. The GPRS wireless communication network is used to monitor and dispatch the GPS terminal vehicle in real time. The system involves the knowledge of GPS location technology, database storage and access technology, geographic information technology, computer network technology and data structure algorithm. The GPS vehicle location monitoring system studied in this paper is divided into three parts: mobile vehicle terminal DTU module, computer network, wireless GPRS communication network and database service center. The DTU module of vehicle terminal is initialized and installed, and the optimal network access scheme, virtual serial port debugging and wireless network protocol configuration are selected to build and perfect the whole system for its normal operation. The interface of the system is designed on the server side, the data format is analyzed and stored, and a reasonable searching and storing updating algorithm is designed. From the above work, the vehicle is monitored in real time, and the reasonable remote scheduling is carried out, and the information is added, modified, deleted, queried, and the historical track is observed at the same time. Due to the limitations of the existing conditions, this paper simulates the continuous transmission of information from multiple terminal GPS modules to the database server. The design method uses the Zip distribution and Poisson distribution to simulate the random transmission of GPS data from multiple data terminals DTU to the server. The research of GPS vehicle positioning system is related to the social and economic development. GPS technology has been applied in intelligent transportation control, logistics distribution of goods and positioning and navigation of cars and so on.
【学位授予单位】：内蒙古大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：U495;P228.4;TN929.532
本文编号：2407331
[Abstract]:This paper first introduces the background of GPS positioning system and the current situation of development at home and abroad, and describes the specific related technologies involved in the research in detail. The GPRS wireless communication network is used to monitor and dispatch the GPS terminal vehicle in real time. The system involves the knowledge of GPS location technology, database storage and access technology, geographic information technology, computer network technology and data structure algorithm. The GPS vehicle location monitoring system studied in this paper is divided into three parts: mobile vehicle terminal DTU module, computer network, wireless GPRS communication network and database service center. The DTU module of vehicle terminal is initialized and installed, and the optimal network access scheme, virtual serial port debugging and wireless network protocol configuration are selected to build and perfect the whole system for its normal operation. The interface of the system is designed on the server side, the data format is analyzed and stored, and a reasonable searching and storing updating algorithm is designed. From the above work, the vehicle is monitored in real time, and the reasonable remote scheduling is carried out, and the information is added, modified, deleted, queried, and the historical track is observed at the same time. Due to the limitations of the existing conditions, this paper simulates the continuous transmission of information from multiple terminal GPS modules to the database server. The design method uses the Zip distribution and Poisson distribution to simulate the random transmission of GPS data from multiple data terminals DTU to the server. The research of GPS vehicle positioning system is related to the social and economic development. GPS technology has been applied in intelligent transportation control, logistics distribution of goods and positioning and navigation of cars and so on.
【学位授予单位】：内蒙古大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：U495;P228.4;TN929.532
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