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002
Publications

2020

Integrated planning of inbound and outbound logistics with a Rich Vehicle Routing Problem with Backhauls

Authors
Marques, A; Soares, R; Santos, MJ; Amorim, P;

Publication
Omega

Abstract

2020

A robust optimization approach for the vehicle routing problem with selective backhauls

Authors
Santos, MJ; Curcio, E; Mulati, MH; Amorim, P; Miyazawa, FK;

Publication
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW

Abstract
The Vehicle Routing Problem with Selective Backhauls (VRPSB) aims to minimize the total routing costs minus the total revenue collected at backhaul customers. We explore a VRPSB under uncertain revenues. A deterministic VRPSB is formulated as a mixed-integer programming problem and two robust counterparts are derived. A novel method to estimate the probabilistic bounds of constraint violation is designed. A robust metaheuristic is developed, requiring little time to obtain feasible solutions with average gap of 1.40%. The robust approach studied demonstrates high potential to tackle the problem, requiring similar computing effort and maintaining the same tractability as the deterministic modeling.