طراحی شبکۀ تأمین منعطف در یک زنجیرۀ تأمین دوسطحی و آنالیز ریسک با استفاده از برنامه‎ریزی تصادفی (مطالعۀ موردی: از شبکۀ تأمین پلی استایرن معمولی)

نوع مقاله : مقاله علمی پژوهشی

نویسندگان

1 استاد گروه مدیریت صنعتی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران

2 استادیار گروه مدیریت صنعتی، دانشکدۀ مدیریت دانشگاه تهران، تهران، ایران

3 استاد گروه صنایع، دانشکدۀ صنایع دانشگاه صنعتی شریف، تهران، ایران

4 دانشجوی دکتری مدیریت صنعتی، دانشکدۀ مدیریت، دانشگاه تهران، تهران، ایران

چکیده

این مقاله به طراحی شبکۀ تأمین منعطف چند دوره­ای در یک زنجیرۀ تأمین دوسطحی می­پردازد که در آن یک مادۀ اولیه اصلی باید از چند تأمین‎کننده تهیه شده و محصولات مختلف در چندین سایت تولیدی برای مشتریان تولید شود. مسئله با استفاده از رویکرد برنامه­ریزی تصادفی دو مرحله­ای با در نظر گرفتن تقاضاهای تصادفی مشتریان و قیمت­های تصادفی تأمین­کنندگان مدل‎سازی شده است. بر خلاف مطالعات گذشته، ریسک‎های اختلالات تأمین، استراتژی­های کاهشی و برنامه­های عملیاتی احتمالی مقابله با ریسک‎ها برای افزایش انعطاف­پذیری شبکۀ تأمین، همزمان با برنامه­ریزی تولید محصولات در سایت­های تولیدی به‎منظور نزدیک‎تر شدن مدل به واقعیت، مد نظر قرار گرفته­اند. طراحی شبکۀ تأمین از دید تصمیم‎گیرنده ریسک خنثی و تصمیم‎گیرنده ریسک‎گریز لحاظ شده‎اند. به‎دلیل تشریح کاربرد دیدگاه ارائه شده، نتایج محاسبات و اجرای مدل در یک نمونۀ واقعی نشان داده شده است. در نهایت به‎منظور تشریح تأثیر تغییرات در پارامترهای هزینه، روی نتایج مدل آنالیزهای حساسیت انجام گرفته است.

کلیدواژه‌ها

عنوان مقاله [English]

Resilient Supply Network Design of a Two Stage Supply Chain and Risk Analysis Using Stochastic Programming (A Case Study of GPPS Supply Chain)

نویسندگان [English]

  • Ali Mohaghar 1
  • Nima Garusi Mokhtarzadeh 2
  • Mohammad Modarres Yazdi 3
  • Moein Hajimaghsoudi 4
1 Prof. of Industrial Management, Tehran University, Tehran, Iran
2 Assistant Prof. of Industrial Management, Tehran University, Tehran, Iran
3 Prof., Faculty of Industrial Engineering, Sharif University, Tehran, Iran
4 Ph.D. Candidate of Industrial Management, University of Tehran, Tehran, Iran
چکیده [English]

This paper proposes a multi-period resilient supply network model for a two stage supply chain in which one of the main raw materials should be bought from different suppliers and various products should be produced for customers in several manufacturer production sites. We used two-stage stochastic programming provided that the customers have uncertain demands and the suppliers propose uncertain prices from time to time. In contrast with previous researches, we considered disruption risks of supply, mitigation strategies and contingency plans against risks to improve the resilience of our supply network. Also, to increase the authenticity of our model, we consider the production planning in each production site simultaneously. The supply network design was analyzed from a risk-neutral and a risk-averse decision maker point of view. To illustrate the applicability of our proposed approach, computational results of using this model in a real-life case was presented. Finally, to investigate the influence of cost parameter changes on the results of the model, we performed a sensitive analysis.

کلیدواژه‌ها [English]

  • Resilient supply network
  • Risk consideration
  • Scenario reduction
  • Two-stage stochastic program

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مدیریت صنعتی
دوره 9، شماره 1
1396
صفحه 189-216

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