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Lee, Soonhui
School of Business Administration
Research Interests
  • Production and logistics
  • Optimization under uncertainty
  • Healthcare Management, Revenue Management

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Improving fleet utilization for carriers by interval scheduling

Cited 3 times inthomson ciCited 5 times inthomson ci
Title
Improving fleet utilization for carriers by interval scheduling
Author
Lee, SoonhuiTurner, JonathanDaskin, Mark S.Homem-de-Mello, TitoSmilowitz, Karen
Keywords
Fleet size reduction; Flexible delivery times; Multi-machine scheduling; Multiobjective programming; Penalty costs
Issue Date
2012-04
Publisher
ELSEVIER SCIENCE BV
Citation
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, v.218, no.1, pp.261 - 269
Abstract
Carriers are under increasing pressure to offset rising fuel charges with cost cutting or revenue generating schemes. One opportunity for cost reduction lies in asset management. This paper presents resource allocation scheduling models that can be used to assign truck loads to delivery times and trucks when delivery times are flexible. The paper makes two main contributions. First, we formulate the problem as a multi-objective optimization model - minimizing the number of trucks needed as well as the costs associated with tardiness or earliness - and demonstrate how improvements in fleet usage translate into savings which carriers can use as incentives to promote flexible delivery times for customers. Second, we show that a two-phase model with a polynomial algorithm in the second phase is able to produce optimal schedules in a reasonable time.
URI
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DOI
10.1016/j.ejor.2011.10.019
ISSN
0377-2217
Appears in Collections:
SBA_Journal Papers
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