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A Robust Optimization Model of Facility Location-reliable Network Design in Competitive Environment under Uncertainty | ||
| Advances in Industrial Engineering | ||
| مقاله 6، دوره 51، شماره 3، دی 2017، صفحه 325-337 اصل مقاله (664.62 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jieng.2017.212469.1175 | ||
| نویسندگان | ||
| Yahya Zaree Mehrjerdi* ؛ Majid Heidari Meybodi | ||
| Department of Industrial Engineering, Yazd University, Yazd, Iran | ||
| چکیده | ||
| In this article, it is proposed a mixed integer bi-criterion linear programming model for network design facility locations under uncertainty. This model takes into consideration the possibility of competition and interruption in servicing availability. The objective functions are of cost minimization and facility attraction maximization. Given the facts that customers’ demands as well as transportation expenses are uncertain, it has been employed robust type modeling of the problem, taking scenario approach into consideration. On the other hand, in order to consider the facility location in the competitive environment, the attractiveness function is used. In order to show the application of the proposed model, a real case study discussing the facility location design and facility implementation for a new CT-Scan system in Yazd province was studied. Results indicate that Yazd province has a capacity for three CT-Scans that can be positioned in the towns of Yazd, Meybod and Sadoogh. Finally, a sensitivity analysis is done to provide an insight into the behavior of the proposed model in response to key parameters changes of the problem. Additionally, to help the decision-makers in determining suitable solution, a tradeoff between solution robustness and model robustness for various values of parameter, is performed. | ||
| کلیدواژه‌ها | ||
| Competitive facilities؛ Facility location- network design؛ reliability؛ Robust optimization؛ Uncertain environment | ||
| عنوان مقاله [English] | ||
| بهینه‌سازی استوار مکان‌یابی تسهیلات - طراحی شبکۀ پایا در شرایط عدم قطعیت و در محیط رقابتی | ||
| نویسندگان [English] | ||
| یحیی زارع مهرجردی؛ مجید حیدری میبدی | ||
| استاد گروه مهندسی صنایع، دانشگاه یزد | ||
| چکیده [English] | ||
| در این مقاله، مدل برنامه‌ریزی خطی عدد صحیح مختلط دو تابع هدفه برای مسئلۀ مکان‌یابی تسهیلات - طراحی شبکه در محیط رقابتی و در شرایط عدم قطعیت ارائه میشود. توابع هدف در این مدل، شامل کمینهکردن هزینه‌ها و بیشینهکردن جذابیت تسهیل برای مشتریان است. بهدلیل غیرقطعیبودن پارامترهای تقاضای مشتریان و هزینۀ حمل‌ونقل، برای حل مدل، از روش بهینه‌سازی استوار مبتنیبر سناریو استفاده شد. همچنین برای محیط رقابتی، از تابع جذابیت بهره گرفته شد. برای نشاندادن کاربرد مدل ریاضی ارائه‌شده، مطالعهای موردی در زمینۀ استقرار دستگاه جدید سی‌تی‌اسکن در استان یزد انجام گرفت. مطابق نتایج، سه دستگاه سی‌تی‌اسکن باید در شهرهای میبد، یزد و صدوق واقع شوند. در ادامه، تحلیل حساسیت روی پارامترهای کلیدی مدل انجام شد. همچنین برای کمک به تصمیم‌گیرنده در تعیین وزن پارامتر مسئله، معاوضه‌ای بین استواری مدل و استواری جواب صورت گرفت. | ||
| کلیدواژه‌ها [English] | ||
| بهینه‌سازی استوار, تسهیلات رقابتی, قابلیت اطمینان, محیط عدم قطعیت, مکان‌یابی تسهیل- طراحی شبکه | ||
| مراجع | ||
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[mh1]اطلاعات دیگری در خصوص شماره صفحات و Vol. و NO. وجود ندارد. [mh2]مقدار NO. در سایت خود مقالات نیز وجود ندارد. [mh3]مقدار NO. در سایت خود مقالات نیز وجود ندارد. [mh4]مقدار NO. در سایت خود مقالات نیز وجود ندارد. [mh5]مقدار NO. در سایت خود مقالات نیز وجود ندارد. [mh6]مقدار NO. در سایت خود مقالات نیز وجود ندارد. اسم ژورنال مورد نظر به همان صورتی که در این مقاله نوشته شده است (یعنی Transportation Research Part B: Methodological,) در سایت ساینس داریرکت نوشته شده است. آدرس اینترنتی مقاله مورد نظر در سایت ساینس دایرکت به صورت زیر میباشد. http://www.sciencedirect.com/science/article/pii/S0191261513000027 [mh7]مقدار NO. در سایت خود مقالات نیز وجود ندارد. | ||
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