انتخاب سبد پروژه با بکارگیری رویکردی تلفیقی از فرآیند تحلیل سلسله مراتبی فازی و برنامه ریزی خطی عدد صحیح با ضرایب تابع هدف اصلاح شده

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد

2 عضو هیات علمی

چکیده

انتخاب سبد پروژه مساله اصلی در سازمان های پروژه محور می باشد. در انتخاب پروژه مسئله تصمیم گیری بهینه به منظور استفاده حداکثری از منابع محدود و دستیابی هرچه بیشتر به اهداف سازمان با رعایت محدودیتها مطرح می باشد. ازینرو جهت تسهیل انتخاب سبد پروژه در سازمانهای پروژه محور، به ارائه یک مدل کاربردی که بتواند با لحاظ کردن محدودیتها، اهداف و الویت های سازمان مربوطه ترکیب بهینه ای از پروژه ها را انتخاب کند، پرداخته ایم. مدل پیشنهادی این مقاله مدلی ترکیبی و منعطف و متشکل از چهار مرحله اصلی می باشد. در ابتدا با غربالگری اولیه تعدادی از گزینه های کاندید نامناسب جهت صرفه جویی در زمان و هزینه با استفاده از روش غیرجبرانی حذف می شوند. و در ادامه به دلیل چند معیاره بودن ذات اینگونه مسائل و کمی و کیفی بودن معیارها و عدم قطعیت داده ها در دنیای واقعی با کمک تکنیک فرآیند تحلیل سلسله مراتبی فازی و با بکارگیری قضاوتهای غیرقطعی تصمیم گیرندگان به رتبه بندی پروژه ها می پردازیم. برای تولید سبدهای پروژه با استفاده از برنامه ریزی خطی عددصحیح (ILP)، با بکارگیری مدلی کوله پشتی به تغییر ضرایب تابع هدف هر پروژه در مدل ILP ، به منظور محفوظ ماندن امتیاز چندمعیاره پروژه ها روی آورده و در ادامه سبدهای تولید شده را ارزیابی و رتبه بندی می نماییم. برای بررسی اعتبار روش پیشنهادی، انتخاب سبد پروژه را در صنایع پالایش نفت به اجرا در آورده ایم.

کلیدواژه‌ها


عنوان مقاله [English]

Project Portfolio Selection Using a Combination of Fuzzy Analytic Hierarchy Process and A Modified Integer Linear Programming

چکیده [English]

The selection of project portfolio is the main problem in project-based organizations. In project selection, optimized decision to maximizing utilization of limited resources and achieving organizational goals by considering restrictions are important. Therefore, to facilitate project portfolio selection in project-based organizations, an efficient model is proposed that is able to consider limitations, goals, and priorities of the organization in selecting the optimal combination of projects. The proposed model is a hybrid and flexible one which, including four main steps. First, with initial screening, to save time and money by using non-compensatory method, some of the poor candidate options are deleted. Then, due to multi-criteria nature of the problem, qualitative and quantitative criteria, and uncertainty of data in real world, the projects are ranked using fuzzy analytic hierarchy processes and uncertain judgments of decision-makers. To generate project baskets, integer linear programming (ILP), backpack model, is employed modifying the coefficients of the objective function of each project to preserve multi-criteria rating of projects, and then evaluate and rank the baskets. To validate the proposed model, we have carried out selection of project portfolio in the oil refining industry.

کلیدواژه‌ها [English]

  • Project portfolio selection
  • augmented scores
  • integer linear programming
  • Fuzzy Analytic Hierarchy Process
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