Abstract

A parcel delivery method combining a vehicle and a drone is proposed. In a parcel delivery business where delivery time windows exist, the delivery order is determined by considering both keeping the delivery time windows restriction and shorting the total delivery time. Additionally, it is necessary to plan for the vehicle to visit a drone airfield and to load/reload the drone, so that the waiting time of both the vehicle and the drone is reduced. To solve this problem, firstly, an initial plan is greedily searched. Then, the initial plan is successively improved. Through simulation evaluation, it is confirmed that the proposed method can reduce delivery time compared to a method where only the delivery time windows are considered and where the vehicle visits the drone airfield on a priority basis.

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