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                                       Details van artikel 6 van 9 gevonden artikelen
 
 
  Optimizing inbound and outbound door assignments in less-than-truckload crossdocks
 
 
Titel: Optimizing inbound and outbound door assignments in less-than-truckload crossdocks
Auteur: Bozer, Yavuz A.
Carlo, Hector J.
Verschenen in: IIE transactions
Paginering: Jaargang 40 (2008) nr. 11 pagina's 1007-1018
Jaar: 2008-11
Inhoud: This study is concerned with inbound and outbound trailer-to-door assignments in crossdocks, which are used by many transportation companies as a redistribution point. A Simulated Annealing (SA)-based heuristic procedure to determine the door assignments in order to minimize the overall material handling workload in a rectangular crossdock is presented. The SA heuristic addresses congestion concerns as well as robustness concerns in a worst-case sense. Using internally generated data, and square versus narrow shapes, the SA heuristic is evaluated against optimal solutions (with up to 20 doors) and solutions obtained from a pairwise exchange, steepest-descent procedure (with up to 96 doors). The SA heuristic performs well in all problems tested. A linear mixed-integer program formulation for the general rectilinear-quadratic assignment problem is also presented. Lastly, the SA heuristic is applied at a 118-door crossdock operated by Con-way. The door assignment obtained with the SA heuristic outperforms the current door assignment by approximately 35% on data sets provided by Con-way.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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