Short-term shift setting and manpower supplying under stochastic demands for air cargo terminals

Shangyao Yan, Chia Hung Chen, Chung Kai Chen

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

A good air cargo terminal manpower supply plan helps terminals deal efficiently with their cargos and reduces their operating costs. To design a good air cargo terminal manpower supply plan, a terminal has to consider not only its operating costs, but also the uncertainty of the manpower demand in actual operations. However, most air cargo terminals in Taiwan currently depend on staff experience with a fixed demand when establishing the manpower supply plan, which is neither effective nor efficient. We have developed two stochastic-demand manpower supply plan models for air cargo terminals that can resolve stochastic demands occurring in practice. The objectives of both models are to minimize the total man-hour cost, subject to the related operating constraints. The models are formulated as integer/mixed integer linear programs. To evaluate the two stochastic-demand models under stochastic demands, we have also developed two deterministic-demand manpower supply plan models, by suitably modifying two stochastic-demand models, respectively, and an evaluation method. Here, we perform a case study using real operating data from a Taiwan air cargo terminal. The preliminary results are good, showing that the models could be useful for planning air cargo terminal manpower supply.

Original languageEnglish
Pages (from-to)425-444
Number of pages20
JournalTransportation
Volume35
Issue number3
DOIs
StatePublished - May 2008

Keywords

  • Flexible strategy
  • Integer program
  • Manpower supply
  • Simulation
  • Stochastic demand

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