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INTEGRATION OF TIME-DEPENDENT VEHICLE ROUTING WITH TIME WINDOWS AND DYNAMIC TRAFFIC SIMULATION.
| 题名： | INTEGRATION OF TIME-DEPENDENT VEHICLE ROUTING WITH TIME WINDOWS AND DYNAMIC TRAFFIC SIMULATION. |
| 作者： | Li-Qiang; Kurt-Carl-E; Wei-Heng |
| 关键词： | Routing-; Simulation-; Traffic-estimation; Travel-time |
| 摘要： | Vehicle Routing Problem with Time Window (VRPTW) is concerned with design of a minimum-cost vehicle route on which the customers are serviced during their allowable or requested service time of periods or time windows. In the real world, travel time on a street network varies on different periods of time such as peak hours vs. off peak hours. Time-Dependent VRPTW (TDVRPTW) extends the VRPTW to account for real traffic conditions including occurrence of traffic congestion and traffic flow variation. This paper presents an approach to integrate a VRPTW heuristic algorithm with a dynamic traffic simulation model to solve the TDVRPTW. The developed traffic simulation model is used as a practical estimator of the real travel time, and travel time distribution profile produced based on field observations is generated for each link. The developed TDVRPTW system consists of a route-based microscopic traffic simulation model, a dynamic optimal path algorithm, and a TDVRP. |
| 总页数： | World Congress on Intelligent Transport Systems (6th : 1999 : Toronto Ont.). ITS: smarter, smoother, safer, sooner. 1999. pp10 |
| 报告类型： | 科技报告 |
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