انتخاب تأمین‌کنندگان پایدار با استفاده از رویکرد ترکیبی چندمعیاره راف-فازی (مطالعه موردی: شرکت گاز استان کردستان)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری مدیریت صنعتی، واحد سنندج، دانشگاه آزاد اسلامی، سنندج، ایران

2 استادیار، گروه مهندسی صنایع، واحد سنندج، دانشگاه آزاد اسلامی، سنندج، ایران

چکیده

ارزیابی اطلاعات توسط خبرگان اصولا به صورت ذهنی و نادقیق انجام می‌شود و این موضوع در مسئله انتخاب تامین‌کننده نیز صادق است. به‌منظور بهبود و دستیابی به نتایج قابل اتکا، پژوهش حاضر چارچوبی نظام‌مند برای انتخاب تامین‌کنندگان بر مبنای ابعاد پایداری ارایه می‌دهد که در آن یک رویکرد ترکیبی تحلیل سلسله مراتبی و واسپاس راف-فازی را برای انتخاب تامین‌کننده پایدار پیشنهاد می‌کند. اثربخشی روش پیشنهادی از طریق کاربرد آن در انتخاب تامین‌کننده شرکت گاز استان کردستان به‌عنوان مطالعه موردی تشریح شده است. ابتدا با بررسی پژوهش‌های گذشته، معیار‌های انتخاب تامین‌کننده پایدار مشخص می‌شود. پس از غربال‌گری معیار‌های انتخاب تامین‌کننده پایدار توسط خبرگان با روش دلفی فازی، تحلیل سلسله مراتبی مبتنی بر اعداد راف-فازی برای تعیین وزن معیارها استفاده می‌شود. در نهایت، نسخه توسعه‌یافته روش واسپاس یعنی روش واسپاس مبتنی بر اعداد راف–فازی معرفی می‌شود که می‌تواند در محیط تصمیم‌گیری مبهم و عدم‌قطعیت اعمال شود. از این رویکرد پیشنهادی برای رتبه‌بندی تامین‌کنندگان پایدار شرکت گاز استان کردستان استفاده می‌شود.

کلیدواژه‌ها


عنوان مقاله [English]

Multi-criteria decision making for sustainable supplier selection using the hybrid fuzzy-rough approach (Case study: Kurdistan gas company)

نویسندگان [English]

  • saeed ebrahimi 1
  • kamyar chalaki 2
  • hirash sultanpanah 2
1 PhD student in Industrial Management, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
2 Assistant Professor, Department of Industrial Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
چکیده [English]

The evaluation information mainly relies on expert’s subjective judgment, which is imprecise and uncertain, and this issue is also true in the supplier selection. In order to improve and achieve reliable results, this study provides a systematic framework for selecting suppliers based on sustainability dimensions in which a hybrid fuzzy- rough AHP-WASPAS approach is proposed for sustainable supplier selection. The effectiveness of the proposed methodology is illustrated through its application in Kurdistan Gas Company supplier selection. First, the sustainable supplier selection criteria are determined by reviewing previous research. After screening the sustainable supplier selection criteria with the fuzzy Delphi method, AHP based on fuzzy rough numbers is used to determine the weights of criteria. Finally, a developed version of Waspas method, namely the Waspas method based on rough-fuzzy numbers, is introduced which can be applied in the environment of vague and uncertain decision making. This proposed approach is used to rank sustainable suppliers of Kurdistan Gas Company.

کلیدواژه‌ها [English]

  • sustainable supplier
  • Rough-fuzzy numbers
  • Analysis hierarchy
  • Waspas
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