A fuzzy multi-criteria approach for robust operating room schedules

Sebastian Rachuba () and Brigitte Werners ()
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Sebastian Rachuba: University of Exeter Medical School
Brigitte Werners: Ruhr University Bochum

Annals of Operations Research, 2017, vol. 251, issue 1, No 19, 325-350

Abstract: Abstract Operating room schedules are regularly influenced by uncertain demands such as unknown surgery durations or randomly arriving emergency patients. The performance of these schedules depends on the information available about these uncertainties when designing the schedules. We focus on an offline operational planning level which assigns patients to days and rooms without focusing on the intra-day sequence. A sufficient amount of time per day is to be reserved for elective and emergency surgeries. At the same time we observe that the performance of a particular schedule influences several stakeholders’ interests. We therefore combine the aspects of uncertain planning parameters and multiple stakeholders’ interests and investigate the performance of schedules for operating rooms using a dedicated robust multi-criteria optimisation approach. We compute a robust compromise schedule focusing on stochastic surgery times and different objectives and simultaneously reserve time windows dedicated to randomly arriving emergency demand. In order to evaluate the schedule’s quality, we perform an extensive simulation study and demonstrate to what extent each robust schedule achieves the mentioned goals. In a second step, we perform a sensitivity analysis in order to investigate how significant changes in assumptions about the stochastic model parameters affect the level of achievement of the different objectives.

Keywords: Operating room scheduling; Multiple stakeholders; Uncertainty; Robust allocation; Multi-objective optimisation; Fuzzy sets; Case study (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (15)

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DOI: 10.1007/s10479-015-1926-1

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