ارائه‌ی یک مدل ریاضی چندهدفه‌ی مکان‌یابی هاب سلسله مراتبی برای طراحی شبکه‌ی زنجیره‌ی تأمین پایدار

نوع مقاله : پژوهشی

نویسندگان

1 گروه مهندسی صنایع، دانشکده‌ی مهندسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران.

2 گروه ریاضی، دانشکده‌ی ریاضی، دانشگاه سیستان و بلوچستان، زاهدان، ایران.

چکیده

مسائل مکان‌یابی هاب، یکی از مهم‌ترین شاخه‌های حمل‌ونقل هستند، که استفاده‌ی زیادی از آن‌ها در حوزه‌های راهبردی می‌شود. در شبکه‌ی توزیع، استفاده از هاب‌ها باعث کاهش هزینه‌های انتقال جریان در شبکه می‌شود. در پژوهش حاضر، یک مدل دوهدفه برای مسئله‌ی مکان‌یابی هاب سلسله‌مراتبی ارائه ‌شده است. در پژوهش حاضر، با توجه به اهمیت مشکلات زیست‌محیطی در دنیای واقعی و نگرانی از افزایش آلودگی‌های مخرب زیست‌محیطی، علاوه‌بر بهبود و کاهش هزینه‌ها به مسائل زیست‌محیطی نیز پرداخته شده است. مدل ارائه‌شده به بررسی حمل‌ونقل چندحالته و ایجاد چند نوع سیستم حمل‌ونقل در یک هاب می‌پردازد. در ادامه، با استفاده از نرم‌افزار GAMS مسائل با ابعاد کوچک و نیز در ابعاد بزرگ با استفاده از الگوریتم‌های فراابتکاری ژنتیک، پارتویی قوی، و گرگ خاکستری حل و نتایج با یکدیگر مقایسه شده‌اند. با توجه به نتایج به‌دست‌آمده مشاهده شده است که الگوریتم‌های ارائه‌شده، کارایی مناسبی دارند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Developing a hierarchical hub location model for sustainable supply chain network

نویسندگان [English]

  • Shima Shirvani 1
  • Mohammad Reza Shahraki 1
  • Faranak Hosseinzadeh Saljooghi 2
1 Department of Industrial Engineering, University of Sistan and Bluchestan, Zahedan, Iran.
2 Department of Mathematics, Faculty of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran.
چکیده [English]

Identifying the optimal location for facilities is a key strategic objective for companies striving to enhance their competitiveness. Managers carefully select facility locations to ensure they effectively meet demand and align with organizational goals. Given the impracticality of establishing direct communication between all points in a network, utilizing hub points within networks can result in significant cost savings. Hub location problems are one of the new and remarkable topics in industrial engineering and one of the most important branches of transportation which is widely used in strategic areas such as transportation systems, postal systems, and communication networks. The use of hubs in the distribution network reduces the costs of current transmission in the network and thus increases system efficiency. In summary, hubs are used in different places of the supply chain such as transferring from point to point, sorting, and switching. The problem of location-allocation of hub is one important problem that is common in many transportation systems. One of the important branches of hub area is hierarchical hub that has been considered by many researchers. In this research, a two-objective model for the hierarchical hub location problem is presented. Given the importance of real-world environmental problems and concerns about increasing destructive environmental pollution, in this study, in addition to reviewing and trying to improve and reduce costs, environmental problems and their improvement have been studied. The proposed model also examines multi-mode transport and creates several types of transport systems in one hub. In the following, smaller problems are solved by GAMS software and large-scale problems are solved by genetic, strong Pareto and gray wolf metaheuristic algorithms and the results are compared. The results of solving problems with different dimensions show the good performance of the proposed algorithm, so that by using this method in an acceptable time, a suitable quality answer can be obtained.

کلیدواژه‌ها [English]

  • Location
  • Hierarchical Hub
  • Sustainability
  • Supply Chain
  • Metaheuristic Algorithm

مراجع

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University of Sistan and Baluchestan. [In Persian].
مهندسی صنایع و مدیریت
دوره 40، شماره 2
اسفند 1403
صفحه 16-29

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