A two-stage stochastic programming approach for care providers' shift scheduling problems
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 19
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شناسه ملی سند علمی:
JR_APRIE-10-3_003
تاریخ نمایه سازی: 1 اردیبهشت 1403
چکیده مقاله:
Due to the importance of the health field, the problem of determining the shift scheduling of care providers has been addressed in many studies, and various methods have been proposed to solve it. Considering different skills and contracts for care providers is one of the essential issues in this field. Given the uncertainty in patients' demands, it is a crucial issue as to how to assign care providers to different shifts. One area facing this uncertainty is the provision of services to cancer patients. This study develops a stochastic programming model to account for patient demand uncertainty by considering different skills and contracts for care providers. In the first step, care providers are assigned to work shifts, then, in the second step, the required overtime hours are determined. The sample average approximation method is presented to determine an optimal schedule by minimizing care providers' regular and overtime costs with different contracts and skills. Then, the appropriate sample size is ۱۰۰, determined based on the Monte Carlo and Latin Hypercube methods. In the following, the lower and upper bounds of the optimal solution are calculated. As the numerical results of the study show, the convergence of the lower and upper bounds of the optimal solution is obtained from the Latin Hypercube method. The best solution is equal to ۱۸۹۲۴۷.۳ dollars and is achieved with a difference of ۰.۱۴۳% between the upper bound and lower bounds of the optimal solution. The Monte Carlo simulation method is used to validate the care provider program in the next stage. As shown, in the worst case, the value of the objective function is equal to ۱۹۷۴۸۰ dollars.
کلیدواژه ها:
نویسندگان
Hajar Shirneshan
Department of Industrial Engineering, Yazd University, Yazd, Iran.
Ahmad Sadegheih
Department of Industrial Engineering, Yazd University, Yazd, Iran.
Hasan Hosseini-Nasab
Department of Industrial Engineering, Yazd University, Yazd, Iran.
Mohammd Mehdi Lotfi
Department of Industrial Engineering, Yazd University, Yazd, Iran.
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