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Research on Dynamic Route Planning of Vehicle Position and Navigation System

Author: LuoGuoQing
Tutor: GuZhengQi
School: Hunan University
Course: Vehicle Engineering
Keywords: Vehicle positioning navigation system Dynamic Route Planning Path to multi-objective planning model Ant Colony Algorithm GPRS MapX
CLC: U463.6
Type: Master's thesis
Year: 2007
Downloads: 484
Quote: 5
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Abstract


Vehicle positioning navigation system can effectively solve the traffic problems such as reducing driver fatigue strength , to ease traffic congestion and reduce environmental pollution . Dynamic path planning is a core technology for vehicle positioning and navigation system , but also accurately prerequisite for other navigation features . Existing navigation systems provide the optimal path standard single , it only means that the shortest time or shortest distance, can not meet the travel needs of the driver . Travelers travel route choice behavior , analysis of the factors that influence drivers' route selection , the path to multi-objective planning model , the Analytic Hierarchy Process to calculate the standard weight coefficient to identify different standard driving route provide drivers with more travel information . Optimal path algorithm is the core content of the dynamic path planning . Traditional optimal path algorithm is based on the static path planning , and applied to the dynamic path planning has many limitations . Based on this improved ant colony algorithm applied to the dynamic path planning problem , the design process of ant colony algorithm for dynamic optimal path , and in the city on the map of the nation's major transport simulation , comparison and analysis of ant colony the simulation results of the algorithm and Dijkstra algorithm , and to solve the problem of dynamic path planning . Vehicle location data and the transmission of real-time traffic information is an essential part of the dynamic path planning . This article you have selected GPRS as wireless data transmission mode , GPRS data transmission process , develop the content and transmission of data transfer protocols , the performance parameters of the GPRS module MC55 and serial port settings . GIS technology can visually dynamic path selection on the electronic map . This selection of controls MapX secondary development component , given road network topologies relationship building steps , create Changsha vector map topology developed based on the the MapX dynamic path planning system .

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