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A Dynamic Simulation-Optimization Approach for Inventory Management of Multi-Product Hospital Pharmacies in Discrete Time | ||
| Industrial Management Journal | ||
| دوره 17، شماره 3، 2025، صفحه 1-17 اصل مقاله (856.93 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/imj.2025.361793.1008110 | ||
| نویسندگان | ||
| Hamed Jabarie1؛ Hamid Shahbandarzadeh* 2؛ Ahmad Ghorbanpour3؛ Habib Omraniakhoo4 | ||
| 1PhD in Industrial Management, Mathematics Secretary of Education, Bushehr, Iran. | ||
| 2Associate Prof., Department of Industrial Management, Faculty of Business and Economics, Persian Gulf University, Bushehr, Iran. | ||
| 3Assistant Prof., Department of Industrial Management, Faculty of Business and Economics, Persian Gulf University, Bushehr, Iran | ||
| 4Assistant Prof., Department of Nutrition, Faculty of Health, Bushehr University of Medical Sciences and Health Services, Bushehr, Iran. | ||
| چکیده | ||
| Objective: In the patient care chain, medicines are essential items and play a critical role in patient recovery. Inefficient inventory management leads to drug shortages, lack of continuity of drug inventory, reduced patient safety, poor performance, distribution defects, and technological errors, which lead to drug shortages in hospital pharmacies. Providing an efficient approach can minimize costs in the supply chain. Methods: This study presented a simulation-optimization model for pharmacy inventory management. A training-learning-based optimization algorithm was used to solve the model. The model was programmed and solved in MATLAB software. Results: Given that the initial inventory is assumed to be zero, the drug price is lower at the beginning of the year, and the number of patients is lower than in the summer. Therefore, the volume of orders is high at the start of the year. The model adjusts the level of orders so that the costs are minimal. As the disease re-emerges and the number of patients increases, demand increases in the ninth and tenth months, and the volume of orders increases again. As demand decreases at the end of the year, the volume of orders also decreases. Conclusion: By implementing the model during the planning period, while minimizing system costs, the inventory level for all drug categories will be at the desired level, and no inventory shortages will occur. | ||
| کلیدواژهها | ||
| Drug inventory management؛ simulation-optimization approach؛ teaching-learning based optimization algorithm | ||
| مراجع | ||
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