Short-term manpower planning for MRT carriage maintenance under mixed deterministic and stochastic demands

Chia Hung Chen, Shangyao Yan, Miawjane Chen

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The purpose of this research is to develop two manpower supply planning models and a solution algorithm for mass rapid transit carriage maintenance under mixed deterministic and stochastic demands. These models are formulated as mixed integer programs that are characterized as NP-hard. We employ problem decomposition techniques, coupled with the CPLEX mathematical programming solver, to develop an algorithm that is capable of efficiently solving the problems. The models and the method used currently in actual operations are evaluated by a simulation-based evaluation method. Finally, we perform a case study using real operating data from a Taiwan MRT maintenance facility. The preliminary results are good, showing that the models could be useful for planning carriage maintenance manpower supply.

Original languageEnglish
Pages (from-to)67-88
Number of pages22
JournalAnnals of Operations Research
Volume181
Issue number1
DOIs
StatePublished - Dec 2010

Keywords

  • Algorithm
  • Carriage maintenance
  • Manpower supply
  • Mixed integer program
  • Stochastic demands

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