Yu, Bin; Yang, Zhong Zhen - In: Transportation Research Part E: Logistics and … 47 (2011) 2, pp. 166-181
This paper proposes an improved ant colony optimization (IACO) to solve period vehicle routing problem with time … windows (PVRPTW), in which the planning period is extended to several days and each customer must be served within a specified … time window. Multi-dimension pheromone matrix is used to accumulate heuristic information on different days. Two …