A Location-Inventory-Pricing Supply Chain Network Design for Perishable Products Under Disruptions

Document Type : Research Paper

Authors

School of Industrial Engineering, College of Engineering, University of Tehran, Tehran, Iran

Abstract

In this study, we discuss a location-inventory-pricing model considering the capacity constraints of the warehouses, disruption, and multiple perishable products. We extend a model that assumes that warehouses may face disruption, failed warehouses cannot cover any service, and their customers are assigned to other warehouses. To decrease the risk of disruption, we examine the efficiency of markup pricing strategy and support services. The objective function of this MINLP is to maximize the total profit of warehouses. To solve this model, Genetic Algorithm (GA) and Grasshopper Optimization Algorithm (GOA) are used. To evaluate the recommended model, several sensitivity analyses are proposed. Finally, the results of numerical experiments implicate the high-performance of GOA in dealing with problems and achieving better results. According to the results, backup services and markup pricing strategies are very effective in reducing the damage caused by the disruption.

Keywords

Main Subjects


Article Title [فارسی]

ارائه یک مدل مکان‌یابی- موجودی ‌-قیمت‌گذاری ‌برای ‌شبکه ‌زنجیره‌ تامین ‌مواد ‌فسادپذیر با در نظر گرفتن امکان‌ بروز حوادث

Authors [فارسی]

  • طوبی اصغری
  • سروش آقامحمدی‌بوسجین
  • مسعود ربانی
دانشکده مهندسی صنایع،پردیس دانشکده های فنی، دانشگاه تهران
Abstract [فارسی]

این پژوهش به بررسی یک مدل مکان‌یابی- مجودی- قیمت‌گذاری زنجیره تامین با در نظر گرفتن محدودیت ظرفیت انبارش و امکان خرابی مراکز انبارش به دلیل بروز حوادث و همچنین چند نوع کالای فسادپذیر، می‌پردازد. در این مدل فرض برآنست که با بروز حادثه، مرکز انبارش کاملا خراب میشود و مشتریان مربوط به مرکز خراب شده به دیگر مراکز تخصیص داده میشوند. بنابراین، برای کاهش ریسک موجود در مدل از استراتژیهای جایگزین از جمله استراتژی قیمت گذاری و سیستم‌های سرویس دهی پشتیبان، استفاده شده است. در این مدل از روشهای فراابتکاری برای حل کردن مدل، اسفاده شده است و کارایی روشها با هم مقایسه شده است. در مرحله بعدی، جهت بررسی رفتار مدل، بر روی پارامترهای اساسی مدل تحلیل حساسیت اعمال گردیده است.

Keywords [فارسی]

  • مکان‌یابی- مجودی- قیمت‌گذاری
  • فسادپذیری
  • فراابتکاری
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