به‌کارگیری مدل برنامه‌ریزی چندهدفه فازی وزن‌دار به منظور تعیین میزان خرید بهینه از تأمین‌کنندگان

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، دانشگاه خلیج فارس.

2 دانش‌آموخته کارشناسی ارشد، دانشگاه خلیج فارس.

چکیده

در دهه اخیر، مدیریت خرید در زنجیره تأمین و انتخاب تأمین‌کننده مناسب، چالشی برای شرکت‌ها در یک زنجیره عرضه بوده است؛ بنابراین در این مطالعه یک مسئله انتخاب تأمین‌کننده که به‌طورکلی یک مسئله تصمیم‌گیری چندمعیاره است، به‌صورت یک مسئله برنامه‌ریزی خطی چندهدفه در نظر گرفته شده است؛ در ادامه مدل برنامه‌ریزی چندهدفه برای تعیین مقادیر سفارش بهینه به تأمین‌کنندگان با توجه به محدودیت‌ها و اهداف پژوهش، طراحی و برای حل آن از «مدل برنامه‌ریزی چندهدفه فازی وزن‌دار» و از روش «بیشینهـکمینه» استفاده شده و اوزان اهداف و محدودیت‌های فازی که از روش «تحلیل سلسله‌­مراتبی فازی» به­دست می‌آیند در تابع هدف مدل بیشینهـکمینه قرار داده‌ شده و مدل اجرا می‌شود. با فرض اینکه تصمیم‌گیرنده از جواب‌های به‌دست‌آمده راضی نباشد، از «مدل آریخان» با در نظر گرفتن وزن اهداف و محدودیت‌های فازی در این مدل، استفاده می‌شود تا درنهایت تصمیم‌گیرنده به سطح‌های دستیابی موردنظر خود در اهداف و محدودیت‌های فازی برسد و میزان سفارش بهینه به تأمین‌کنندگان، مشخص شود.

کلیدواژه‌ها

عنوان مقاله [English]

Employment of a Weighted Fuzzy Multi-Objective Programming Model to Determine the Amount of Optimum Purchasing from Suppliers

نویسندگان [English]

  • Hamid Shahbandarzadeh 1
  • Alireza Paykam 2
1 Assistant Professor, Khalig -e- Fars University.
2 Master, Khalige Fars University.
چکیده [English]

In the last decade, purchasing management in supply chain and correctly selection of supplier have been of challenges for the relevant companies. Hence a supplier selection problem, which is generally a Multi-Criteria Decision Making (MADM) problem, was considered as a Multi-Objective Linear Programming (MOLP) problem in the present research. Afterwards, the multi-objective programming model was designed to determine the optimum order values according to the limitations and research objectives and the weighted fuzzy multi-objective programming model and maximum-minimum method were employed in order to solve it. Moreover, fuzzy constraints and the weights of objectives, which are obtained from Fuzzy Analytical Hierarchy Process (FAHP), were put in the objective function related to the max-min model and the model was implemented afterward. Assuming that the decision maker is not satisfied with the obtained response, Arikan model can be used in which the weight of objectives and fuzzy constraints are considered in the model in order to reach to the desired level in the objectives and fuzzy constraints and to specify the amount of optimum purchasing from suppliers.

کلیدواژه‌ها [English]

  • Supplier Selection
  • Weighted Fuzzy Multi-Objective Programming
  • Optimal Purchases
  • Fuzzy Analytical Hierarchy Process

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