مدلسازی مسئله چندهدفه فازی انتخاب تامین‌کننده با در نظر گرفتن تقاضای احتمالی و ریسک خریدار

نوع مقاله : مقاله پژوهشی

نویسنده

استادیار، گروه مدیریت صنعتی، دانشکده مدیریت و حسابداری، دانشگاه علامه طباطبایی، تهران، ایران.

چکیده

انتخاب تامین کننده یکی از مسائل کلیدی در مدیریت زنجیره تامین است که با استفاده از آن شرکت ها می توانند تامین‌کنندگان مناسب را شناسایی و ارزیابی کنند. اهداف مختلفی در انتخاب کنندگان می تواند در نظر گرفته شود که گاه با یکدیگر در تعارض هستند. از جمله مهمترین این اهداف می توان به هزینه، کیفیت و قابلیت اطمینان تامین کننده اشاره کرد. در این مقاله مجموعه تامین کنندگان در قالب یک سیستم در نظر گرفته می شود که در نهایت تامین کنندگان به گونه ای انتخاب می شوند که سطح قابلیت اطمینان حداکثر شود، هزینه خرید کمینه شود و سطح سرویس که در قالب کیفیت محصولات دریافتی است به حداکثر مقدار ممکن برسد. از طرف دیگر از آنجا که معمولاً در دنیای واقعی دسترسی به اطلاعات دقیق برای ارزیابی تامین کنندگان میسر نیست از نظریه فازی در مدلسازی استفاده شده است. همچنین، مکانیزمی که در عمل توسط تامین کنندگان برای ترغیب خریداران به خرید بیشتر استفاده می شود تخفیف است. در این مقاله مدلسازی انتخاب کننده با در نظر گرفتن ارائه تخفیف کلی برای محصولات مختلف مورد تقاضای خریدار انجام شده است. علاوه بر این میزان ریسک پذیری خریدار در انتخاب تامین کننده نیز در مدلسازی در نظر گرفته شده است. در نهایت مدل ارائه شده با در نظر گرفتن حالات مختلف ریسک پذیری خریدار حل گردیده و نتایج آن ارائه شده است.

کلیدواژه‌ها


عنوان مقاله [English]

Modelling a Multi Objective Fuzzy Supplier Selection Considering Probabilistic Demand and Buyer's Risk

نویسنده [English]

  • Mojtaba Hajian Heidary
Assistant Professor, Department of Industrial Management, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran.
چکیده [English]

Supplier selection is one of the most critical problems in the supply chain management that helps firms to evaluate and select appropriate suppliers. Different conflicting objectives could be considered in these kinds of problems. Most important objectives are: minimizing the cost, maximizing the quality, and maximizing the reliability. In this paper the set of suppliers are considered as a system and they are selected so that maximizing the reliability of the selected set and maximizing the quality of the received products, and also minimizing the purchasing cost. On the other hand, in practice exact data are not accessible, therefore, fuzzy theory is utilized to evaluate the suppliers. In addition, suppliers usually use discount mechanism to attract more buyers and to achieve more profits. In this paper supplier selection problem is modeled considering all unit discount. Additionally, satisfaction of the demand depends on the risk attitude of the buyer. The satisfaction of the demand is considered as a fuzzy-probabilistic constraint. Finally, a numerical example is solved based on different risk attitudes of the buyer and related results are reported.

کلیدواژه‌ها [English]

  • Supplier Selection
  • Multi objective planning
  • Fuzzy decision making
  • All unit discount
  • Risk
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