برنامه‌ریزی تاکتیکی استوار زنجیرۀ تأمین جهانی سه‌سطحی تحت شرایط اختلال تحریم با در نظر گرفتن عمر قفسه‌ای (مطالعۀ موردی: زنجیرۀ تأمین دارو)

نوع مقاله: مقاله علمی پژوهشی

نویسندگان

1 کارشناس ارشد، مهندسی سیستم‌های اقتصادی اجتماعی، دانشگاه علم و صنعت، تهران، ایران

2 دانشیار، فناوری صنعتی، دانشکدۀ مهندسی صنایع دانشگاه علم و صنعت، تهران، ایران

3 استادیار، مهندسی سیستم‌های اقتصادی اجتماعی، دانشکدۀ مهندسی صنایع دانشگاه علم و صنعت، تهران، ایران

چکیده

در دو دهۀ اخیر به‌دلیل جهانی ‌شدن زنجیرۀ تأمین، تغییرات فراوانی در شرایط زنجیره‌ها رخ‌ داده است. راهبران و مدیران کلان، همواره با ریسک‌های جدیدی روبه‌رو هستند که با برنامه‌ریزی باید برای مقابله با آن‌ها آماده شوند. در سال‌های اخیر، تحریم به‌عنوان یکی از جدی‌ترین ریسک‌ها تأثیرات مخرب خود را بر زنجیره‌های تأمین گذاشته است؛ درحالی‌که در پژوهش‌های مربوط به زنجیرۀ‌ تأمین جهانی، مسئلۀ اختلال مغفول مانده است. هدف این پژوهش مدل‌سازی زنجیرۀ دارو در سطح تاکتیکی در شرایط اختلال تحریم است. جریان فیزیکی و مالی و اختلال آن دو در شرایط تحریم، به‌صورت همزمان مدل‌سازی شده است. برای تکمیل جریان مالی نسبت‌های مالی نیز وارد مدل شده‌اند. عدم قطعیت مسئله با استفاده از یکی از جدیدترین رویکردهای بهینه‌سازی استوار به‌نام برنامه‌ریزی امکانی استوار مدل‌سازی شده است. مدل بر روی مجموعۀ دارویی آترا پیاده‌ شد و نتایج آن توسط نرم‌افزار گمز تحلیل و اعتبارسنجی شد. نتایج از یک سیستم استوار در برابر اختلال تحریم نشان دارد که بدون تخطی از محدودیت‌های مسئله، تصمیمات مناسب برای برخورد با مسئله را نمایان می‌سازد.

کلیدواژه‌ها


عنوان مقاله [English]

Tactical Planning of Three-Level Supply Chain considering Sanction Disruption and Shelf Life: A case Study of ATRA Drug Supply Chain

نویسندگان [English]

  • Mahsa Salsabil 1
  • Mohammad Ali Shafia 2
  • Mir Saman Pishvaee 3
  • Kamran Shahanaghi 3
1 MSc, Economic and Social Systems Engineering, Iran University of Science and Technology
2 Associate Prof, Faculty of Industrial Technology, Iran University of Science and Technology, Tehran, Iran
3 Associate Prof, Faculty of Economic and Social Systems Engineering, Iran University of Science and Technology, Tehran, Iran
چکیده [English]

In the last two decades due to globalization of supply chain, enormous changes occurred in chains. Leaders in this field, always facing new risks and disorders that should prepare themselves to deal with them. In the recent years, sanctions as one of the most serious risks have damaged the supply chains. However, in the research related to global supply chains, modeling of disruption has been neglected. The purpose of this study was the modeling of drug supply chain at the tactical level in terms of sanction impairing. Physical and financial flow and their disruption in the term of sanction have been modeled simultaneously. To complete the financial flow, financial statements have also been modeled. One of the newest approaches named Robust Possibilistic Programming has been used for the modeling of the uncertainty of the problem. The model has been implemented on a drug organization called Atra and the results have been analyzed and validated by the optimization software Gams. The results show a robust and resistant system in the case of sanction disruption that without violating the constraints of the problem shows the appropriate measures to deal with the problem.

کلیدواژه‌ها [English]

  • Drug Supply Chain
  • Robust Possibilistic Programming (RPP)
  • Sanction Disruption
  • ShelfLife
  • Tactical Programming
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