基于速度风险势场的高速公路行车风险甄别方法

王博,张驰,任士鹏,刘昌赫,谢子龙

Expressway driving risk identification method based on velocity risk potential field

Bo WANG,Chi ZHANG,Shi-peng REN,Chang-he LIU,Zi-long XIE

图 3 交通流速度梯度与交通事故分布

Fig.3 Distribution of traffic velocity gradients and traffic accidents