Browsing by Subject "Flight crew vacation scheduling"
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Item A comparative analysis of flight crew vacation allocation models(2019-05) Liang, Zhaowei; Kutanoglu, ErhanThe airline industry has a long lasting history of using operations research for complex problems like crew scheduling, crew pairing, and aircraft tail assignment. However, the use of the optimization and operations research on crew vacation planning is not widespread. One of the most popular ways of assigning vacations currently is to let crew members bid for vacations using a heuristic preferential bidding system (PBS). This report will overview the existing problems in the crew vacation allocation domain. Then, it will introduce and compare an optimization based vacation allocation algorithm, an improved heuristic PBS model, and the original heuristic PBS model. Models will be compared using three performance measures as the number of unassigned vacation blocks, the number of crew members without any assigned vacation blocks, and the rank order of the preferences that are awarded to the crew members. This report also conducts a sensitivity analysis for the improved PBS model using the same performance measures