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ONLINE TURNING PROPORTION ESTIMATION IN REAL-TIME TRAFFIC-ADAPTIVE SIGNAL CONTROL.
| 题名： | ONLINE TURNING PROPORTION ESTIMATION IN REAL-TIME TRAFFIC-ADAPTIVE SIGNAL CONTROL. |
| 作者： | Mirchandani-PB; Nobe-SA; Wu-WW |
| 关键词： | Adaptive-control; CORSIM-Computer-program; Comparison-; Estimating-; Field-data; Least-squares-method; Minimization-; Online-method; RHODES-Computer-program; Real-time-data-processing; Signalized-intersections; Traffic-signal-control-systems; Turning-traffic |
| 摘要： | An online method for traffic-adaptive turning proportion estimation for intersections based on a least-squares minimization approach is presented. It assumes that entering-vehicle lane counts and exiting-vehicle counts during every traffic signal phase and in each direction of an intersection are available. Estimations based on field data in the last three cycles (approximately 5 min) are compared with actual values. This method of turning proportion estimation was also implemented within RHODES, a real-time traffic-adaptive signal control system developed in the Advanced Transportation and Logistics: Algorithm and Systems Research Center at the University of Arizona. The resulting system was evaluated in a laboratory using CORSIM, a microscopic traffic simulation computer package. Performance of RHODES improves when the online traffic-adaptive turning proportions are used instead of constant turning proportions. |
| 总页数： | Transportation Research Record. 2001. (1748) pp80-86 (7 Fig., 1 Tab., 10 Ref.) |
| 报告类型： | 科技报告 |
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