طراحی شبکه ی‌‌ زنجیره‌ی تأمین حلقه‌بسته با درنظرگرفتن قیمت‌گذاری اقتصادی و ملاحظات زیست‌محیطی تحت شرایط عدم قطعیت فازی

عموزادخلیلی, حسین

طراحی شبکه ی‌‌ زنجیره‌ی تأمین حلقه‌بسته با درنظرگرفتن قیمت‌گذاری اقتصادی و ملاحظات زیست‌محیطی تحت شرایط عدم قطعیت فازی

نوع مقاله : پژوهشی

نویسنده

حسین عموزادخلیلی

استادیار گروه مهندسی صنایع دانشگاه آزاد اسلامی واحد ساری، ساری، ایران

چکیده

امروزه به‌دلیل اهمیت آلاینده‌های محیط زیستی و افزایش استانداردهای جهانی برای محیط زیست، توجه بیشتری به طراحی شبکه‌های زنجیره‌ی تأمین حلقه‌بسته با ملاحظات سبز معطوف شده است. از طرفی شدت کارایی زنجیره‌های مستقیم و معکوس بر هم اثرگذار است. درنتیجه، عملکرد هر زنجیره بر زنجیره‌ی دیگر و بر کل زنجیره‌ی تأمین تأثیر خودش را دارد. در این تحقیق، به طراحی یک مدل ریاضی برای شبکه زنجیره‌ی تأمین حلقه‌بسته‌ی سبز لاستیک سنگین می‌پردازیم که با مفهوم قیمت‌گذاری اقتصادی، محصولات را تحت شرایط عدم قطعیت در نظر می‌گیرد. قیمت‌گذاری اقتصادی در این مسئله افزایش سودآوری اقتصادی را به همراه دارد. مدل ریاضی طراحی‌شده از نوع فازی و دوهدفه است که هدف اول حداقل‌سازی هزینه‌ها و هدف دوم حداقل‌سازی آلاینده‌های زیست‌محیطی است. تصمیمات تعیین شده در این مدل، شامل تعیین مکان بهینه هر یک از مراکز بر اساس مکان‌های بالقوه، میزان بهینه‌ی تولید، توزیع، جمع‌آوری، بازیافت و همچنین بازتولید محصولات است. همچنین، از آزمون تی دو نمونه‌ای مستقل برای اعتبارسنجی نتایج مدل غیر‌قطعی و قطعی استفاده می‌گردد. برای حل مدل تابع دوهدفه، روش ε-محدودیت به کار گرفته می‌شود تا مسئله بتواند جواب‌های بهینه‌ی پارتویی قوی را تضمین کند و از جوابهای پارتویی ضعیف جلوگیری کند. در نهایت، برای ارزیابی کارایی روش ارائه ‌شده، یک مطالعه‎ی موردی در زمینه‌ی لاستیک سنگین به کار گرفته می‌شود و با حل و پیاده‌سازی آن نتایج مدیریتی مفیدی ارائه می‌شود.

کلیدواژه‌ها

20.1001.1.20089198.1401.24.74.5.2

موضوعات

لجستیک معکوس، زنجیره تأمین حلقه بسته

عنوان مقاله [English]

A Closed-Loop Supply Chain Network Design with Economic Pricing and Environmental Considerations under Fuzzy Uncertainty

نویسنده [English]

hossein amoozadkhalili

Department of Industrial Engineering, Nowshahr branch, Islamic Azad University, Sari, Iran

چکیده [English]

Today due to the significance of environmental pollutants and the increase of global standards for the environment, more attention has been paid to the design of closed-loop supply chain networks with green considerations. On the other hand, the direct and inverse chains affect each other in terms of the efficiency rate. As a result, the performance of each chain has its own effect on other chains and on the entire supply chain. In this research, we design a mathematical model for the green closed-loop heavy-duty supply chain network, which considers products under conditions of uncertainty with the concept of economic pricing. Economic pricing in this issue increases economic profitability. The designed mathematical model has a fuzzy basis and pursues two objectives. The first goal is to minimize costs and the second goal is to minimize environmental pollutants. The decisions made in this model include determining the optimal location of each center based on potential locations, the optimal amounts of production, distribution, collection and recycling, and also the reproduction of products. Furthermore, a two-sample independent t-test is used to validate the results of the definite and indefinite models. To solve the two-objective function model, the ε-constraint method is used so that the problem can guarantee strong Pareto optimal solutions and prevent weak Pareto solutions. Finally, to evaluate the efficiency of the proposed method, a case in the field of heavy tires is studied, solved and implemented to produce and present valuable management results.

کلیدواژه‌ها [English]

Fuzzy Programming
Closed-Loop Supply Chain
Environmental Purpose
Pricing
E-Constraint

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