مدل بهینه‌سازی دومرحلهای استوار وزن‌دار برای انتخاب تأمین‌کنندگان و تخصیص سفارش‌ها در شرایط عدم‌قطعیت | ||
| چشم‌انداز مدیریت صنعتی | ||
| دوره 10، شماره 2 - شماره پیاپی 38، تیر 1399، صفحه 111-135 اصل مقاله (728.61 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.52547/jimp.10.2.111 | ||
| نویسندگان | ||
| مصطفی جوکار1؛ مرضیه مظفری* 2؛ علی‌اکبر اکبری3 | ||
| 1کارشناسی ارشد مهندسی صنایع، دانشکده مهندسی صنایع، واحد الکترونیکی، دانشگاه آزاد اسلامی، تهران، ایران. | ||
| 2استادیار دانشکده مهندسی صنایع، واحد الکترونیکی، دانشگاه آزاد اسلامی، تهران، ایران. | ||
| 3استادیار مهندسی صنایع، دانشکده مهندسی صنایع، واحد تهران جنوب، دانشگاه آزاد اسلامی، تهران، ایران. | ||
| چکیده | ||
| در این پژوهش، تلفیقی از روش تحلیل سلسله‌مراتبی فازی، مدل برنامهریزی تصادفی دومرحلهای سناریومحور و رویکرد بهینه‌سازی استوار در مسئله انتخاب تأمین‌کنندگان و تخصیص سفارش‌ها در شرایط ریسک تأمین پیشنهاد می‌شود. عدم‌قطعیت در تأمین مواد اولیه تحت سه سناریوی افزایش تحریم، ثبات تحریم و حذف تحریم در نظر گرفته می‌شود. در گام نخست، عوامل کلیدی در انتخاب تأمین‌کنندگان شناسایی شده و با روش تحلیل سلسله‌مراتبی فازی به هر یک از تأمین‌کنندگان وزنی اختصاص داده می‌شود. در گام دوم، این وزن‌ها به‌عنوان ورودی در مدل برنامهریزی تصادفی دومرحلهای وارد می‌شوند و متغیرهای مرحله دوم را تحت تأثیر قرار می‌دهند؛ سپس رویکرد فرمول‌بندی استوار مالوی برای استوارسازی و همچنین خطی‌سازی مدل به‌کار می‌رود. مدل حاصل یک مدل برنامهریزی خطی عددصحیح است که توسط CPLEX برای یک مطالعه موردی اجرا می‌شود و نتایج مورد بحث و بررسی قرار می‌گیرد. درنهایت تحلیل حساسیت بر روی پارامترهای مدل استوار صورت می‌پذیرد و موازنه بین هزینه کل و مقدار تقاضای تأمین‌نشده نشان داده می‌شود. | ||
| کلیدواژه‌ها | ||
| مسئله انتخاب تأمین‌کنندگان و تخصیص سفارش؛ عدم‌قطعیت؛ تحلیل سلسله‌مراتبی فازی؛ برنامهریزی تصادفی دومرحلهای؛ بهینه‌سازی استوار | ||
| عنوان مقاله [English] | ||
| A Weighted Robust Two-Stage Stochastic Optimization Model for Supplier Selection and Order Allocation under Uncertainty | ||
| نویسندگان [English] | ||
| Mostafa Jokar1؛ Marzieh Mozafari2؛ Aliakbar Akbari3 | ||
| 1M.A., Department of Industrial Engineering, Electronic Branch, Islamic Azad University, Tehran, Iran. | ||
| 2Assistant Professor, Department of Industrial Engineering, Electronic Branch, Islamic Azad University, Tehran, Iran. | ||
| 3Assistant Professor, Department of Industrial Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran. | ||
| چکیده [English] | ||
| This paper presents an integrated model as a combination of fuzzy analytical hierarchy process (FAHP), scenario-based two-stage stochastic programming and robust optimization approaches for the problem of supplier selection and order allocation under supply risk conditions. Uncertainties in the supply of materials are considered under three scenarios: increased sanctions, stability of sanctions, and sanctions removal. In the first step, the main qualitative factors for the selection of suppliers are identified and a specific weight is assigned to each supplier through FAHP. In the second step, these weights are introduced as inputs to a two-stage stochastic programming model and affect the second-stage variables. In the third step, we use the Mulvey formulation and then linearize the resulted robust two-stage stochastic model. The model is a integer linear programming model solved by CPLEX for a case study and the results are discussed. Finally, a sensitivity analysis is performed on the parameters of the robust model and the balance between the total cost and the unfulfilled demand is shown. | ||
| کلیدواژه‌ها [English] | ||
| Supplier Selection and Order Allocation Problem, Uncertainty, Fuzzy Analytical Hierarchy Process, Two-Stage Stochastic Programming, Robust Optimization | ||
| مراجع | ||
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