基于绿灯需求度单点公交信号优先控制的策略.docVIP

文章编号： DOI: 基于绿灯需求度的单点公交信号优先控制策略 柳祖鹏1,2，李克平1，倪颖1 (1. 同济大学 道路与交通工程教育部重点实验室, 上海 201804；2. 武汉科技大学 汽车与交通工程学院, 武汉 430081) 摘要： 关键词：交通控制；公交信号优先；；绿灯需求度 中图分类号: U491.232 文献标识码：A Isolated Transit Signal Priority Control Strategy Based on Demand Degree of Green LIU Zupeng1,2, LI Keping1, N Ying1 (1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University , Shanghai 201- 804 ,China; 2. School of Automobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan 430081, China) Abstract: The traditional transit signal priority control strategy cannot effectively deal with multiple priority requests from different direction. The concept of demand degree of green is proposed, calculation of demand degree of green on green phase and red phase is designed, decision-making flow of phase change based on demand degree of green is proposed. Take full account of the arrival, queue and waiting of transit vehicles and general vehicles, and demand degree of green that consider transit priority is calculated. On this basis, transit signal priority control based on demand degree of green is realized by the phase change decision-making. Simulation test and result analysis show that the proposed control strategy is more efficient than traditional transit priority control strategy. Comparison to skipped phase sequence, the priority effect of control strategy based on fixed phase sequence is slightly worse, however, the negative impact of general vehicles is less. When the traffic volume is increased, the increase of average delay of transit vehicles is small; however, the increase of average delay of general vehicles is quite large. Keywords: traffic control; transit signal priority; multiple requests; demand degree of green; phase change decision-making 优先发展公共交通是解决城市交通拥堵的有效方法之一。公交信号优先是指在道路运行层面给予公交车辆通行时间优先的信号控制策略[1]。公交信号优先经过40多年的研究，形成了从最初的手动优先发展到被动优先、主动优先以及必威体育精装版的实