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Using Augmented ?-constraint Method for Solving a Multi-objective Operating Theater Scheduling

机译：使用增广的α约束方法求解多目标手术室调度

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摘要

Operating Theaters are among the most critical parts in hospitals. Generally, an Operating Theater consists of three stages: Public Health Unit (PHU), Operating Rooms, and Post-Anesthesia Care Unit (PACU). Operating Theater significantly affects annual costs and revenues of a hospital due to requiring skillful staff and expensive equipment to operate surgeries beside high service fees. In this paper, proposing an operating theater daily schedule to serve surgical demands is considered as a three-stage flow-shop scheduling problem. The problem is formulated as a multi-objective mixed integer programming model aiming to balance workload of operating rooms and surgeons, minimize waiting times and maximize human (surgeons) reliability. Weighted-sum method and an augmented ?-constraint method are applied to solve two test problems. Analysis of obtained solutions verifies that both solution approaches are capable of providing appropriate schedules in a reasonable time.
机译：手术室是医院中最关键的部分。通常，手术室由三个阶段组成：公共卫生部门（PHU），手术室和麻醉后护理部门（PACU）。手术室由于需要熟练的人员和昂贵的设备来进行外科手术，因此会高昂地影响医院的年度成本和收入，此外还要支付高昂的服务费。在本文中，提出手术室每日时间表以满足手术需求被认为是一个三阶段的流水车间调度问题。该问题被表述为一种多目标混合整数规划模型，旨在平衡手术室和外科医生的工作量，最小化等待时间并最大化人员（外科医生）的可靠性。加权和法和增广的β约束法被用于解决两个测试问题。对获得的解决方案的分析验证了两种解决方案方法均能够在合理的时间内提供适当的计划。

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