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Agent-Based Modeling of Taxi Behavior Simulation with Probe Vehicle Data

机译:基于代理的探测车辆数据的船舶行为模拟建模

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摘要

Taxi behavior is a spatial–temporal dynamic process involving discrete time dependent events, such as customer pick-up, customer drop-off, cruising, and parking. Simulation models, which are a simplification of a real-world system, can help understand the effects of change of such dynamic behavior. In this paper, agent-based modeling and simulation is proposed, that describes the dynamic action of an agent, i.e., taxi, governed by behavior rules and properties, which emulate the taxi behavior. Taxi behavior simulations are fundamentally done for optimizing the service level for both taxi drivers as well as passengers. Moreover, simulation techniques, as such, could be applied to another field of application as well, where obtaining real raw data are somewhat difficult due to privacy issues, such as human mobility data or call detail record data. This paper describes the development of an agent-based simulation model which is based on multiple input parameters (taxi stay point cluster; trip information (origin and destination); taxi demand information; free taxi movement; and network travel time) that were derived from taxi probe GPS data. As such, agent’s parameters were mapped into grid network, and the road network, for which the grid network was used as a base for query/search/retrieval of taxi agent’s parameters, while the actual movement of taxi agents was on the road network with routing and interpolation. The results obtained from the simulated taxi agent data and real taxi data showed a significant level of similarity of different taxi behavior, such as trip generation; trip time; trip distance as well as trip occupancy, based on its distribution. As for efficient data handling, a distributed computing platform for large-scale data was used for extracting taxi agent parameter from the probe data by utilizing both spatial and non-spatial indexing technique.
机译:出租车的行为是涉及离散时间相关的事件,如客户上门提货,客户落客,巡航,以及停车场时空动态的过程。仿真模型,这是一个真实的世界体系的简化,可以帮助理解这种动态行为变化的影响。在本文中,基于代理的建模和仿真建议,它描述的试剂的动态作用,即,出租车,通过行为的规则和特性,这模仿出租车行为支配。出租车行为模拟,从根本上优化了的士司机以及乘客的服务水平来完成。此外,模拟技术,因此,可以应用到另一个应用领域为好,在那里获得真实的原始数据是由于隐私问题,有点困难,如人口流动数据或呼叫详细记录数据。本文介绍了一种基于多个输入参数的基于代理的仿真模型的发展(出租车停留点簇;行程信息(起点和终点);出租车需求信息;免费出租车移动;以及网络旅行时间)从派生的出租车探测GPS数据。因此,代理的参数映射到网格网络和道路网络中,其中的格网被用作用于出租车代理的参数的查询/搜索/检索一个的基础上,而出租车剂的实际运动是与道路网络上的路由和插值。从模拟出租车代理数据和真实数据出租车得到的结果表现出不同的出租车的行为,如出行生成的相似性的显著水平;往返时间;出行距离和行程占用,根据其分布。作为用于高效的数据处理,用于通过利用空间和非空间索引技术提取从探测数据出租车代理参数用于大规模数据的分布式计算平台。

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