基于改进HH算法的路径规划系统设计与实现

张冠湘; 周兴; 蔡文学; 钟慧玲; 许靖

doi:10.3969/j.issn.0258-2724.2013.05.026

基于改进HH算法的路径规划系统设计与实现

doi: 10.3969/j.issn.0258-2724.2013.05.026

基金项目:

中央高校基本科研业务费专项资金资助项目(X2JMD2117950,2013XZD05)

国家社会科学基金资助项目(11CGL088)

教育部人文社会科学研究项目(10YJC630373,12YJAZH209)

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出版历程
- 收稿日期: 2012-06-03
- 刊出日期: 2013-10-25

Design and Implementation of Path Planning System Based on Improved Highway-Hierarchical Algorithm

摘要

摘要: HH (Highway-Hierarchical)算法是近年来一种高效路径规划算法,但存在的路网压缩成环问题、预处理数据存储问题和完整最短路计算问题,采用无环压缩策略、分层存储策略和局部最短路存储策略对算法进行了改进.以改进的算法为核心,在Internet环境下,运用WCF分布式技术,设计与实现了高效路径规划系统.系统测试结果表明,改进HH算法在时间效率上平均是原算法的5.03倍,在空间效率上约是原算法的4倍.在性能上,路径规划系统能满足互联网环境下用户并发访问的高效性需求;在功能上,系统提供了最短路的里程、行程时间、行程费用、主要路段及文字描述等.
- Highway-Hierarchical算法 /
- WCF技术 /
- 路径规划
Abstract: Highway-Hierarchical algorithm is a highly efficient path planning approach in the recent years. In the preliminary data manipulation process, there are problems of compressed ring road in the network, the strategies of multi-layer data storage, and the calculation of the optimal route. To resolve these issues, the paper proposes to use the no-cycle compressing strategy, the tiered storage strategy, and the local shortest path storage strategy to improve the efficiency of the algorithm. Under the internet settings, the paper designs the highly efficient route planning system by improving the Highway-Hierarchical algorithm with the WCF technology. The results show that the improved system is 5.03 and 4 times of temporal and spatial efficiency, respectively, as opposed to the original algorithm. The route planning system can meet the high users' demand and also provides the general information on the travel time, mileage, travel expenses, critical sections, text description, etc.
- Highway-Hierarchical algorithm /
- WCF technology /
- path planning

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参考文献(23)

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文章访问数: 978
HTML全文浏览量: 51
PDF下载量: 564
被引次数: 0

基于改进HH算法的路径规划系统设计与实现

doi: 10.3969/j.issn.0258-2724.2013.05.026

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出版历程

Design and Implementation of Path Planning System Based on Improved Highway-Hierarchical Algorithm

计量

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