مکان‌یابی تسهیلات چند هدفه با محدودیت ظرفیت و رویکرد ترکیبی سیمپلکس فازی و الگوریتم ژنتیک

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد مهندسی صنایع،دانشکده مهندسی صنایع، دانشگاه علم و فرهنگ، تهران

2 دانشیار مهندسی صنایع، دانشکده مهندسی صنایع، دانشگاه صنعتی امیرکبیر، تهران

چکیده

مدل استاندارد مکان‌یابی با محدودیت ظرفیت (CPLP/CWLP) به جایابی تسهیلات روی شبکه ای از تقاضای مشتریان با هدف کمینه‌سازی هزینه کل می‌پردازد. هدف این مسئله پوشش کلیه تقاضاها با تعداد استقرار مشخص تسهیلات با محدودیت ظرفیت برای کاهش هزینه است. در این مقاله جهت نزدیک شدن به دنیای واقعی ، پارامترهای مدل فازی و تابع هدف چند هدفه است که همزمان هزینه استقرار کل و زمان جابجایی طی شده با توجه به محدودیت ها کمینه می‌شود. نوآوری در این مقاله استفاده از رویکرد هیبرید سیمپلکس فازی و الگوریتم ژنتیک به منظور جواب نزدیک به بهینه است که از روش L-p تک هدفه فازی استفاده می‌شود و جواب مسئله را با الگوریتم شبیه‌سازی تبرید نیز مقایسه شده و نشان می‌دهد اختلاف معنی‌داری در کارایی جواب و زمان وجود دارد.کاربرد این مسئله در مکانیابی انواع تسهیلات شامل انبار ، کارخانجات و بخش خدمات است. 

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Multi-Objective Capacitated Facility Location with Hybrid Fuzzy Simplex and Genetic Algorithm Approach

نویسندگان [English]

  • reza lotfi 1
  • Majid Amin Nayeri 2
1 Department of Industrial Engineering, University of Science and Culture, Tehran, Iran.
2 Department of Industrial Engineering, Amir Kabir University of technology, Tehran, Iran.
چکیده [English]

The standard model capacitated facility location (CPLP / CWLP) to locate the facility on a network of customer demand until total cost of the allocation minimize. The purposes of this paper cover all the demands of specified number of facilities to reduce the cost. In this paper closer to the real world, parameters of model is fuzzy and objective function is multi objective at the same time the total establishment cost and travel time is minimized in accordance with the constraints. The innovation is combining hybrid fuzzy simplex with genetic algorithm approach to accelerate near optimization process to change multi-objective to a single objective with LP metric. Simulated annealing algorithm also compared to reflect significant differences in performance and response time. Its application in locating facilities include warehouses, factories and services sector.

کلیدواژه‌ها [English]

  • Multi-objective
  • Facility location with capacitated
  • Fuzzy Simplex
  • Genetic Algorithm

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