A new model for the movement pattern of vacant taxi

Yingnan Guang, Min Yang, Xuedan Zhang
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Abstract

With the taxi playing an increasingly important role in the lives of people, we need further develop the understanding of taxi behavior to analyze the movement pattern of population and improve various intelligent transportation systems. Our work focus on building a new model for the vacant taxi movement pattern in town center of Beijing and we make contribution in three ways. Firstly, through studying foraging behavior of wild animals, we establish the model combined with Lévy flight and exponential distribution. The simulation result is approximate to actual data we collected. Secondly, unlike previous models, we add the time dimension into our model and show the time function of all parameters. Finally, we explain the physical significance and conversion relation of parameters in our model. With these relationship, we can calculate parameters by some small items of data, not the whole database.
空置出租车运行模式的新模型
随着出租车在人们生活中扮演越来越重要的角色,我们需要进一步发展对出租车行为的理解,以分析人口的运动模式,完善各种智能交通系统。我们的工作重点是构建北京市中心城区空置出租车运行模式的新模型,我们在三个方面做出了贡献。首先,通过对野生动物觅食行为的研究,建立了结合lsamvy飞行和指数分布的觅食模型。仿真结果与实际采集的数据较为接近。其次,与以往的模型不同,我们在模型中加入了时间维度,并显示了所有参数的时间函数。最后,我们解释了模型中参数的物理意义和转换关系。有了这些关系,我们可以通过一些小的数据项来计算参数,而不是整个数据库。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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