مدل طراحی شبکه حمل و نقل بار بندر-پسکرانه با مکان‌یابی مراکز توزیع (مطالعه موردی ایران)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، دانشکده مهندسی صنایع دانشگاه علم و صنعت ایران

2 استادیار، دانشکده مهندسی‌ صنایع، دانشگاه علم و صنعت ایران، تهران، ایران

3 دانشجوی دکتری، دانشکده مهندسی‌ صنایع، دانشگاه علم و صنعت ایران، تهران، ایران

چکیده

لجستیک جهانی شامل ارسال کالا در سطح خشکی و دریا می­شود. در خشکی، از وجه­های حمل و نقل مانند قطار و کامیون جهت جابجایی کالاها استفاده می­شوند. طراحی شبکه حمل و نقل و ارتباط بین خشکی و دریا، شامل تعیین مراکز توزیع در خشکی و نحوه ارتباط آن­ها با بندرهای دریایی است. تعیین بهینه مکان و ظرفیت مراکز توزیع و تعیین بهینه نوع وجه حمل و نقل در ارسال کالاها بین بنادر دریایی، مراکز توزیع و گره­های مشتری، اهمیت بالایی در کارایی شبکه توزیع دارد. در این تحقیق، یک مدل برنامه­ریزی ریاضی دو هدفه جهت مکان­یابی مراکز توزیع ارائه می­­شود که در آن از حمل و نقل چندوجهی جهت ارتباط بین بندر و خشکی استفاده می­شود. در این مدل، جریان عرضه و تقاضای داخلی و خارجی هر گره، در نظر گرفته شده و هدف آن تعیین مکان مراکز توزیع یا ترمینال­هایی در خشکی است با این هدف که هزینه­های حمل و نقل و همچنین آلودگی ناشی از وجوه حمل ­و ­نقل کمینه شود. در این پژوهش از روش اپسیلون محدودیت اصلاح شده جهت حل مسئله استفاده شده است. نتایج تحقیق نشان داد جهت احداث مراکز توزیع و توسعه وجه های حمل و نقل می بایست بالغ بر 96 تا 106 میلیارد دلار سرمایه گذاری نمود. همچنین میزان تولید گاز کربن دی اکسید در هر کدام از این سرمایه گذاری­ها چیزی حدود40 تا 56 میلیون تن در سال خواهد بود.

کلیدواژه‌ها

عنوان مقاله [English]

A Model of Port-Hinterland Freight Network by Locating Distribution Centers (Case Study: Iran)

نویسندگان [English]

  • Mohammad Mohammadpour Omran 1
  • Rouzbah Ghousi 2
  • A. Taherkhani Kadkhodaei 3
1 Assistant Professor, Industrial Engineering Department, Iran University of Science and Technology, Tehran, Iran
2 Assistant Professor, Industrial Engineering Department, University of Science and Technology, Tehran, Iran
3 Ph. D. Student‌, University of Science and Technology, Tehran, Iran.
چکیده [English]

Global logistics includes transportation in land and sea side. In land, trains and trucks are used to transport goods. The design of the transportation network and connection between land and sea includes determining the location of distribution centers and their connections with the maritime ports. Determining the optimal location and capacity of distribution centers and type of transportation means for the delivery of goods between sea ports, distribution centers and customer nodes, has a high importance in the distribution network's efficiency. In this research, a two-objective math programming model is proposed for locating distribution centers in which multimodal transport is used to connect the port and hinterland. In this model, the internal and external supply and demand flows of each node are intended to determine the location of distribution centers or terminals in hinterland, with the aim of minimizing the transport costs as and pollution caused by vehicles. In this study, the modified Epsilon method has been used to solve the problem. The results of the research showed that the construction of distribution centers and the development of transportation modes should be in the range of 96 to 106 billion dollars. Also, the amount of carbon dioxide produced in each of these investments will be about 40 to 56 million tons a year.

کلیدواژه‌ها [English]

  • Port
  • Hinterland
  • Distribution Center
  • Logistics
  • Multimodal Transportation

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