توسعه مدل ریاضی تعیین استراتژی مدیریت دارایی فیزیکی بر اساس فاکتورهای تامین، نگهداری و تعمیرات

نوع مقاله: پژوهشی

نویسندگان

دانشگاه تربیت مدرس

چکیده

بالارفتن هزینه سرمایه ای شرکت ها به علت افزایش پیچیدگی تجهیزات و ماشین آلات همچنین محدودیت مالی مصرف کنندگان موجب شده است که ارائه دهندگان ماشین آلات و تجهیزات راههای تامین متنوعی را پیش روی تصمیم گیران قراردهند. بعلاوه، نحوه نگهداری و تعمیرات تجهیزات تاثیر زیادی بر هزینه و سطح عملکرد آنها داشته و از طرف دیگر روش های تامین نیز بر فعالیتهای نت تاثیر می گذارند. از این رو، سازمان ها و شرکت ها برای جلوگیری از صرف هزینه اضافی نیازمند طراحی استراتژی بهینه تامین و نت که با عنوان استراتژی مدیریت دارایی فیزیکی شناخته می شود، هستند. مدل ریاضی ارائه شده دراین تحقیق با ایجاد امکان برقراری ارتباط بین سه محور پارامترهای تامین، متغیرهای برنامه ریزی نت و داده های کارکردی گذشته تجهیز به تعیین استراتژی بهینه با توجه به افق زمانی پروژه می پردازد. خروجی مدل ارائه شده برداری شامل نوع روش تامین (خرید، لیز (اجاره) و بازسازی) و استراتژی نت (درجه تاثیر فعالیت نت، زمان بین فعالیت های نت و سطح جوانسازی) و میزان هزینه می باشد. نحوه کارکرد مدل توسعه داده شده برای تعیین استراتژی مدیریت دارایی فیزیکی یک تجهیز معدنی با چشم انداز استفاده به مدت10سال در معدن مس مورد بررسی و تحلیل قرار گرفته است.

کلیدواژه‌ها


عنوان مقاله [English]

Developing a Mathematical Model for Determination of Asset Management Strategy Based on Maintenance and Procurement Factors

نویسندگان [English]

  • Ali Sayyah
  • Reza Baradaran Kazemzadeh
  • Mohammad Mehdi Sepehri
  • Hamidreza Eskandari
چکیده [English]

Increasing the complexity of physical assets, mostly causes increasing in their price. On the other hand, financial limitation of companies do not let them to invest high amount of their capital in physical assets. Hence, equipment providers offer variety of financial ways for users to provide ability to fulfill their needed functions of an asset and efficient operation. Additionally, maintenance strategy of the equipment affect their life cycle cost and service level. Hence, companies are required to choose the optimum physical asset management strategy, in order to avoid inefficiency. The proposed mathematical model in this research determines the optimum strategy by interconnecting procurement parameters, maintenance scheduling variables and equipment working historical data based on the project time horizon. The output of the model consists of the procurement way (Buy, Lease &Upgrade), Maintenance Strategy (PM degree, PM Interval &Upgrade level) and cost. The model has been applied for a specific equipment in a copper mine for 10 years using to illustrate variables relationship.

کلیدواژه‌ها [English]

  • Physical Asset Management
  • Maintenance Scheduling
  • Equipment Procurement
 
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