基于信令数据的中小城市公交线网优化方法
2021-07-07费瑞阳邬岚栾开元简玉成
费瑞阳 邬岚 栾开元 简玉成
摘 要:为改进传统中小城市公交线网优化中数据调查精度低、周期长、成本高以及方法针对性不足的缺点。基于手机信令数据获取交通OD,针对中小城市的特点来对其公交线网进行优化研究。首先根据手机信令数据的获取原理,基于聚类分析提出交通小区的划分方式,设计出行量获取方法得出居民公交出行OD以进行公交需求预测。根据中小城市的实际情况,以“路线优选”作为方法,选取以公交出行耗时最短和运营成本最低为目标的函数,建立优化模型。最后对宿迁市的数据进行实例分析并进行线网优化和评价。
关键词:中小城市;公交线网;信令数据;优化方法
中图分类号:U491 文献标识码:A
Abstract: In order to improve the shortcomings of the traditional small and medium-sized city bus network optimization, such as the data survey accuracy is low, the cycle is long, the cost is high, and the method is insufficient. Obtain residents' travel OD based on mobile phone signaling data, and optimize the bus network according to the characteristics of small and medium cities. First, according to the acquisition principle of mobile phone signaling data, proposing a method of dividing traffic districts based on cluster analysis. Design the trip volume acquisition method to obtain the traffic OD for public transportation demand forecast. Second, according to the actual situation of small and medium cities, taking“route optimization”as the method, selecting the function that takes the shortest bus travel time and the lowest operating cost as the objective to establish the optimization model. Finally, the data of Suqian city is analyzed by an example, and the network optimization and evaluation are carried out.
Key words: small and medium cities; public transportation network; signaling data; optimization method
0 引 言
在社會经济以及城市化建设快速发展的背景下,中小城市的规模和人口也在日益增加,因而对机动化出行的需求也与日俱增,通过优化公交线网来优化公交服务系统、鼓励公交出行是缓解这一现象带来的交通问题的有效手段。在公交线网优化中,居民公交出行量的预测数据是一大重要支撑,传统的获取数据进行预测的手段主要是居民出行调查,存在调查精度低、周期长、成本高以及方法针对性不足的缺点,急需找到更加快速合理的方式来获取居民出行的数据,从而使线网优化周期缩短、公交线网优化效率提高,并且针对中小城市提出专门的线网优化模型提高优化的合理性。
在信令数据的研究……
