ارائه یک مدل چندهدفه فازی جهت طراحی شبکه چندسطـحی تأمین با درنظرگرفتن وقوع اختلال در سطــوح مختلف و حــل آن با رویکرد ε-Constraint

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشگاه آزاد اسلامی، واحد بین‌المللی خلیج فارس، خرمشهر.

2 استادیار، دانشگاه ایلام.

چکیده

امروزه به دلیل اثرات بسیار زیاد طراحی شبکه­ ی تأمین در منافع اقتصادی سازمان ‏ها، کیفیت ارائه خدمات مناسب و رضایت مشتریان، مسئله طراحی شبکه یکی از مسائل مورد­علاقه و جذاب پژوهشگران حوزه تحقیق در عملیات و علوم مدیریت محسوب می ­شود که پیشرفت‏ های زیادی نیز در این زمینه حاصل شده است. در این پژوهش، یک شبکه تأمین تولیدی مطابق دنیای واقعی طراحی شده است. ساختار این زنجیره تأمین بدین صورت است که محصول بعد از تولید در کارخانه­ های تولیدی در انبارهای مربوطه نگهداری شده و سپس به خرده‌فروش‌ها منتقل می‌شود. در­نهایت مشتریان با مراجعه به خرده‌فروشی‌ها نیاز خود را برطرف می­ کنند. برای نزدیک­ شدن به واقعیت، عدم ­قطعیت فازی در پارامترهای مدل در نظر گرفته شده و اختلالاتی از قبیل آتش‌سوزی یا قطع برق و غیره در کارخانه ­ها و انبارها به ­صورت همزمان لحاظ شده است؛ همچنین مسئله دارای افق زمانی چند­دوره‌ای و دو هدف حداقل­ کردن هزینه و حداکثر­کردن سطح پوشش مناطق مشتریان است که برای حل آن از حل­کننده CPLEX نرم‌افزار GAMS و رویکرد ε-Constraint استفاده شده است.

کلیدواژه‌ها

عنوان مقاله [English]

in Different Levels and Solving by ε-Constraint Approach

نویسندگان [English]

  • Fatemeh Fazeli 1
  • Masoud Seidi 2
1 Msc. Student, Islamic Azad University, Branch of Khalij Fars, Khoramshahr.
2 Assistant Professor, Ilam University.
چکیده [English]

Nowadays, due to the huge effects of designing the supply network on the economic interests of organizations, the quality of providing appropriate services and customer satisfaction, the problem of network design is one of the most interesting and attractive issues of research in operations and management science. In this paper, a real-world manufacturing network is designed. The structure of this supply chain is such that the product is stored in the production facilities after production in the manufacturing plants and then transported to the retailers. Ultimately, customers will be able to address their needs by visiting retailers. In order to be real, fuzzy uncertainty is considered in the model parameters, and disruptions such as fire or power failure, etc. in factories and warehouses are considered simultaneously. Also, the problem has a multi-period time horizon and two goals are to minimize cost and maximize the coverage level of customers. To solve it, using CPLEX (GAMS) by ε-Constraint approach.

کلیدواژه‌ها [English]

  • Network Design
  • Multi: Objective
  • Fuzzy
  • Disruption
  • ε-Constraint

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