English, Article edition: An empirical study on the benefit of split loads with the pickup and delivery problem Nowak, Maciek; Ergun, Ozlem; White III, Chelsea C.

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Bookmark: http://trove.nla.gov.au/version/10439
Physical Description
  • article
Language
  • English

Edition details

Title
  • An empirical study on the benefit of split loads with the pickup and delivery problem
Author
  • Nowak, Maciek
  • Ergun, Ozlem
  • White III, Chelsea C.
Physical Description
  • article
Notes
  • Splitting loads such that the delivery of certain loads is completed in multiple trips rather than one trip has been shown to have benefit for both the classic Vehicle Routing Problem (VRP) and the Pickup and Delivery Problem (PDP). However, the magnitude of the benefit may be affected by various problem characteristics. In this paper, we characterize those real world environments in which split loads are most likely to be beneficial. Based on practitioner interest, we determine how the benefit is affected by the mean load size and variance, number of origins relative to the number of destinations, the percentage of origin-destination pairs with a load requiring service, and the clustering of origin and destination locations. We find that the magnitude of benefit is greatest for load sizes just over one half vehicle capacity as these loads can not be combined without splitting, while they are the easiest to combine on a vehicle with splitting; increases as the number of loads sharing an origin or destination increases because there are more potential load combinations to split at each stop; and increases as the average distance from an origin to a destination increases because splitting loads reduces the trips from origins to destinations.
  • Transportation Vehicle routing Split pickup and delivery
  • RePEc:eee:ejores:v:198:y:2009:i:3:p:734-740
Language
  • English
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