مدل سازی سیستم موجودی قطعات یدکی چندسطحی با پس افت و تخفیفات کلی تأمین کننده خارجی با رویکرد شبکه

سموئی, پروانه; خیرخواه, امیرسامان

مدل سازی سیستم موجودی قطعات یدکی چندسطحی با پس افت و تخفیفات کلی تأمین کننده خارجی با رویکرد شبکه

نویسندگان

¹ مهندسی صنایع دانشگاه بوعلی سینا

² گروه مهندسی صنایع دانشکده مهندسی دانشگاه بوعلی سینا

چکیده

یکی از مهمترین جنبه های سیستم های موجودی چندسطحی، مربوط به قطعات یدکی است. زیرا در دنیای واقعی، تعمیر تجهیزات بسیار اقتصاد یتر از تعویض آنها می باشد. از سوی دیگر این امکان وجود دارد که بتوان با خرید قطعات یدکی، بیشتر از تأمین کننده خارجی از تخفیف قیمتی نیز برخوردار شد. از این رو در این مقاله، به یک سیستم موجودی قطعات یدکی چند سطحی با پسافت و تخفیف قیمتی از تأمین کننده خارجی پرداخته می شود و برای مدلسازی و حل این مسئله از رویکرد شبکه استفاده می گردد. مثال عددی، اثربخشی این الگوریتم را نشان میدهد.

کلیدواژه‌ها

عنوان مقاله [English]

A Network Model for Multi-echelon Spare-part Inventory Systems with Backorders and Quantity Discount of External Supplier

چکیده [English]

One of the most important aspects of multi echelon inventory management systems is related to spare part; actually, in the real world, it is more economical to repair equipment than replace them. Also, it is possible to benefit from discounts when more spare parts purchased from an external supplier. So, this paper considers a multi-echelon spare-part inventory system with backorders and quantity discount of external supplier and applies a network approach for modeling and solving these problems. Numerical example shows the efficiency of this algorithm.

کلیدواژه‌ها [English]

Network
Minimum Cost Flow
Multi-Echelon
Spare-Part
Quantity Discount

مراجع

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