摘要
随着城市车辆越来越多,交通拥堵现象日益严重,特别是当发生交通事故时,路况信息无法及时发布出去,使得本来已经很拥堵的路段上交通状况变得更加糟糕。随着科技的不断进步,在城市交通管理方面,物联网技术正蓬勃发展,交通拥堵状况在不断的得到改善。给出了度量交通状况的数学模型;然后,介绍了物联网技术在交通方面的发展;最后,在物联网环境下,给出了几种不同情形时城市交通应急策略。
Traffic congestion in cities becomes more serious with the fast increasing of vehicles.Especially,the condition of traffic becomes worse when accident is happened owing to that the information is not promulgated in time.With the advancement of science and technology,the serious traffic condition is improved due to the rapid technique growth of internet of things.The math model of evaluating the traffic condition is put forward in the paper;then the technique development of internet of things in traffic is introduced;finally,several different traffic emergency strategies are given based on the technique of internet of things.
出处
《西安邮电学院学报》
2010年第6期77-80,共4页
Journal of Xi'an Institute of Posts and Telecommunications
关键词
交通拥堵
费用函数
物联网
应急策略
traffic congestion
Latency function
Internet of Things
emergency strategy