نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد مهندسی صنایع دانشگاه آزاد اسلامی، واحد قزوین، قزوین، ایران

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

چکیده

در این تحقیق یک مدل مکان‌یابی- مسیریابی برای شبکه توزیع محصولات غذایی فاسد شونده چند محصولی در زنجیره تأمین سرد با قابلیت سوخت‌گیری خودروها در جایگاه‌های سوخت‌گیری، موردمطالعه قرار گرفته است. به‌نحوی که مسئله با تکیه بر یک مدل تعیین میزان مصارف سوخت به‌صورت متغیر و وابسته به میزان بار حمل‌شده بین رئوس و لحاظ فسادپذیری محصولات در پروسه توزیع با بهره‌گیری از ناوگان با سوخت‌های مصرفی نامتعارف در جهت کاهش تولید دی‌اکسید کربن، به‌صورت یک مدل برنامه‌ریزی خطی عدد صحیح فرمول‌بندی گردیده است. مدل با حل مثال‌های عددی در نرم‌افزار گمز اعتبارسنجی و نتایج نشانگر کاهش متوسط 14 درصدی مصرف سوخت در کنار قابلیت سوخت‌گیری خودروها در طول تورها می‌باشد. به دلیل پیچیدگی مسئله، الگوریتم‌های ژنتیک و شبیه‌سازی تبرید برای حل مسائل در اندازه‌های واقعی توسعه و کارایی آن‌ها آزمایش گردیده است.

کلیدواژه‌ها

عنوان مقاله [English]

Presenting a mathematical location-routing model for the perishable products considering dependency of fuel consumption to the vehicle' loading

نویسندگان [English]

  • Hasan Rabiee 1
  • Farhad Etebari 2

1 Master's student of Industrial Engineering, Islamic Azad University, Qazvin branch, Qazvin, Iran

2 Assistant Professor, Department of Industrial Engineering, Islamic Azad University, Qazvin Branch, Qazvin, Iran

چکیده [English]

In this study, a location routing model has been considered for the distribution network of multiple perishable food products in a cold supply chain in which the vehicles can fuel at filling stations. Here, the fuel consumption is supposed to vary depending on the loading amount transported between the nodes using a fleet that uses unusual fuels. The problem has been formulated as an integer linear programming model to reduce the production of Carbon Dioxide. The model was validated using several numerical examples solved in GAMS software. Results show that in this case the fuel consumption in average decreases 14 percent. Due to the problem complexity, genetic simulated annealing algorithms were developed for solving the problems in real size and their performance has been also evaluated.

کلیدواژه‌ها [English]

  • perishable
  • cold supply chain
  • alternative fuels
  • location-routing
  • loading
 
عالم تبریز، اکبر.، زندیه، مصطفی و رحیمی، محمد. (1387). الگوریتم‌های فراابتکاری در بهینه‌سازی ترکیبی، چاپ سوم، تهران، انتشارات صفار.
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