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The capacitated arc routing problem: a heuristic algorithm

  • Autores: Enric Benavent López, Vicente Campos Aucejo, Ángel Corberán Salvador, Enrique Mota Vidal
  • Localización: Questiió: Quaderns d'Estadística, Sistemes, Informatica i Investigació Operativa, ISSN 0210-8054, Vol. 14, Nº. 1-3, 1990, págs. 107-122
  • Idioma: inglés
  • Títulos paralelos:
    • El problema de rutas por arcos con capacidades: un algoritmo heurístico
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  • Resumen
    • In this paper we consider the Capacitated Arc Routing Problem, in which a fleet of K vehicles, all of them based on a specific vertex (the depot) and with a known capacity Q, must service a subset of the edges of the graph, with minimum total cost and such that the load assigned to each vehicle does not exceed its capacity.

      A heuristic algorithm for this problem is proposed consisting of: the selection of K centers, the construction of K connected graphs with associated loads not exceeding the vehicle capacities, the resolution of a General Assignment Problem, if necessary, to get a complete assignment of edges to vehicles and finally the construction of the routes by solving heuristically a Rural Postman Problem for each vehicle. Computational results on graphs up to 50 vertices and 97 edges are included. On average, the feasible solution is within 6,4% of the best known lower bound


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