Cyclic scheduling of multiple tours with multiple frequencies for a single vehicle
by Birger Raa, El-Houssaine Aghezzaf, Wout Dullaert
International Journal of Logistics Systems and Management (IJLSM), Vol. 5, No. 3/4, 2009

Abstract: This paper discusses a cyclic scheduling problem arising in cyclic inventory routing, in which a single vehicle has to make multiple tours with different frequencies. The objective is to find a minimal makespan schedule in which the vehicle never travels more than 8 hours per day [and] all tours are repeated with constant intervals. A mathematical model and a best-fit insertion heuristic are presented for this problem. Computational experiments show that the heuristic finds the optimal solution for 79 out of 100 randomly generated test instances.

Online publication date: Sat, 10-Jan-2009

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