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公交诱导系统是公交信息服务系统的重要内容之一,对改善公交运输的服务质量、提高公交分担率起着积极的作用.该文分析了公交诱导系统的意义以及一些现有的诱导模型,并利用GPS定位技术、GIS地图匹配以及道路交通状态判别等技术,提出了一种基于实时和历史数据的公交诱导模型.该文以浮动车定位数据为基础,以换乘次数、乘车距离、出行费用等为约束条件,提出一种多目标决策模型.实验结果证明了该算法的有效性.“,”Public transportation guidance system plays a significant role in the public transportation information service which can in-creases the service level of transit users and enhances its competitiveness among various transportation modes. This paper analyzes the significance of public transportation guidance system,as well as some of the existing model. Based on probe vehicle data and the technology of road traffic conditions state identification,map matching,a multiobjective decision model of public transportation guidence was proposed,which constraint conditions including the transfer time and distance,expenses and travel time. The results show that the method is effective.