Research And Implementation Of Optimistic Planning System For Interchange Bus In City

As the times progress and the computer technology develop rapidly, life of people begin to be more intelligentized and informationalized. In the city transport system, intelligent transportation technology has been widely used. So the passenger information consulting system is becoming an important research topic. This subject is raised based on the above background. It aims to solve the planning problem which can meet the different passenger's needs and provide optimized travel plan for users.Firstly, the thesis analyzed the current technology development tendency and research status at home and abroad of the intelligent transportation system. It summarized key technologies and methods of the research area. At the same time thesis compared several classic knowledge representations, modeling, path planning algorithms and heuristic path search algorithms, and analyzed the advantages and disadvantages of these technologies.Secondly, combining the idea of top-down and from highest to lowest hierarchical planning, the thesis analyzed and discussed the modeling process and the solving methods of the path planning based on the analysis of problems bring by urban road network modeling and transfer planning. The thesis included that the features of the key techniques and strategies of bus and road network model, the research of path planning method, the application and extraction of the heuristic information, the improving hierarchical A* algorithm on the guide of top-down hierarchical ideal and so on.Finally, the thesis described in detail the experimental system's design target and function modules of the subject, as well as the database design and system architecture. It provided the system running examples of experimental system's models and proved the effectiveness of the path planning methods by analyzing and evaluating the experimental system's performance.