考虑随机车祸影响的城市交通调度大数据系统设计

Design of urban traffic dispatch large data system considering the effects of random accident

由城市交通复杂性造成的车祸不可避免,而车祸发生的随机性一直是城市交通调度大数据系统需要解决的重点。为此,设计考虑随机车祸影响的城市交通调度大数据系统。车载单元进行GPS定位信息的收发和解析,并将GPS的定位和导航大数据转换成GPS文本信息。车载单元配备高性能的VB-C6401调制解调器,以实现系统对车祸大数据的有效识别,其是监控调度平台系统最重要的模块,进行GPS文本信息接收和车辆轨迹监控的工作,并综合考虑随机车祸对调度方案的影响,将GPS文本信息解析成城市交通调度方案。调度方案将以文本和语音两种形式传送到车载终端显示,以供居民使用。为了减少随机车祸对调度工作准确性的影响,系统设计了随机车祸事件的调度流程。经实验分析可知,所设计的系统拥有较高的调度性能。

Urban traffic accident caused by urban traffic complexity is inevitable,and randomness of the accident is always a defficulty which should be solved by the large data system for urban traffic dispatch.Therefore,an urban traffic dispatch large data system considering the effects of random accident was designed.Onboard unit is used to execute transceiving and parsingof GPS positioning information,and convert GPS positioning and navigation data into GPS text information.The onboard unit is equipped with high?performance VB?C6401modem to achieve the system′s effective identification for traffic accident data.Monitoring scheduling platform is the most important module of the system,is responsible for the GPS text information receiving and vehicle trajectory monitoring,considers the effects of random accident on scheduling schemes comprehensively,and parses the GPS text information into urban traffic scheduling scheme.The scheduling scheme is transmitted to the vehicle?mounted terminal in two forms of text and voice to display for residents to use.In order to reduce the influence of random accident on the accuracy of the dispatch,a random accident event scheduling flow was designed in the system.The experimental analysis shows that the designed system has high dispatching performance.