In this paper, the rescheduling arc routing problem is introduced. This is a dynamic routing and scheduling problem that considers adjustments to an initial routing itinerary when one or more vehicle failures occur during the execution stage and the original plan must be modified. We minimize the operational and schedule disruption costs. Formulations based on mixed-integer programming are presented to compare different policies in the rerouting phase. A solution strategy is developed when both costs are evaluated and it is necessary to find a solution quickly. Computational tests on a large set of instances compare the different decision-maker policies.
机构:
Tech Univ Catalonia, Stat & Operat Res Dept, Barcelona 08034, Spain
Univ Simon Bolivar, Caracas 89000, VenezuelaTech Univ Catalonia, Stat & Operat Res Dept, Barcelona 08034, Spain
Araoz, Julian
Fernandez, Elena
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Tech Univ Catalonia, Stat & Operat Res Dept, Barcelona 08034, SpainTech Univ Catalonia, Stat & Operat Res Dept, Barcelona 08034, Spain
Fernandez, Elena
Franquesa, Carles
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Tech Univ Catalonia, Dept Comp Sci, Barcelona 08034, SpainTech Univ Catalonia, Stat & Operat Res Dept, Barcelona 08034, Spain