نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجو کارشناسی ارشد دانشگاه آزاد اسلامی، دانشکده مهندسی صنایع و مکانیک، واحد قزوین، قزوین، ایران،
2 استادیار دانشگاه آزاد اسلامی، دانشکده مهندسی صنایع و مکانیک، واحد قزوین، قزوین، ایران،(نویسنده مسئول)
چکیده
در سا ل های اخیر نگهداری و تعمیرات به عنوان عامل موثر و قابل توجهی در بهبود کارکرد دستگاه ها بوده
است. نگهداری و تعمیرات نقش مهمی در حفظ قابلیت اطمینان، دردسترس بودن، کیفیت تولیدات، کاهش
ریسک، افزایش بازدهی، امنیت تجهیزات برعهده دارد، لذا نگهداری و تعمیرات و استراتژی های آن از جایگاه
ویژه ای در صنایع برخوردار است. پژوهش های زیادی به لزوم استفاده از مجموعه های فازی در مسائل
تصمیم گیری به دلیل انعطاف پذیری بالای آن اشاره نموده اند و از آنجایی که مساله انتخاب استراتژی نت نیز
یک مساله با عدم قطعیت زیاد است بکارگیری عدم قطعیت فازی، اطمینان تصمیم گیری را افزایش می دهد، از
این رو هدف این پژوهش ارائه یک مدل ریاضی مناسب تصمیم گیری برای ارزیابی و انتخاب استراتژی
نگهداری و تعمیرات با استفاده از روش طراحی بدیهی فازی سلسله مراتبی و روش تاپسیس فازی سلسله مراتبی
در شرکت صنایع هفت الماس بوده است، با توجه به اینکه معیارهای بسیاری از قبیل ارزش افزوده، ایمنی، هزینه
و ... در انتخاب استراتژی نگهداری و تعمیرات موثرند، بنابراین ابتدا به کمک مرور ادبیات و نظرات
کارشناسان نگهداری و تعمیرات، این متغیرها شناسایی و سپس با استفاده از روش تحلیل سلسله مراتبی فازی به
وزن دهی معیارها و به کمک روش طراحی بدیهی فازی سلسله مراتبی و روش تاپسیس فازی سلسله مراتبی به
انتخاب بهترین استراتژی نگهداری وتعمیرات پرداخته شده است. در پایان نتایج دو روش تاپسیس فازی و
طراحی بدیهی فازی برای انتخاب استراتژی نگهداری و تعمیرات مقایسه گردید که نتایج، حاکی از یکسان
بودن جواب های این دو روش بود، همچنین نتایج دو مدل نشان می دهد که استراتژی نگهداری و تعمیرات
بهره ور فراگیر از اولویت برتری نسبت به سایر استراتژی ها برخوردار است
کلیدواژه‌ها
عنوان مقاله [English]
Maintenance Strategy Selection using Fuzzy Hierarchical Approach
نویسندگان [English]
- Razieh Taghipour 1
- Soroush Avakh Darestani 2
چکیده [English]
In recent years, maintenance has been recognized as an effective and a significant improvement tool in the performance of equipments. Maintenance plays an important role in maintaining reliability, availability and quality of products, risk reduction, efficiency increase and safety, so maintenance and its strategies have a special place in the industry. A lot of researches show the necessity of using fuzzy sets in decision making problems due to its high flexibility. The choosing maintenance strategy is also a problem with so many uncertainties so using fuzzy sets seems to be very useful. The aim of this research is to provide a suitable mathematical decision making model for assessment and selection maintenance strategies by using hierarchical fuzzy Axiomatic Design (HFAD) and hierarchical fuzzy Topsis (HFTOPSIS) in Haft Almas Co. Since many criteria such as added value, safety, and … so are vital in the maintenance strategy selection, in this article first these criteria are investigated in the literature review and expert's opinions, then for obtaining the weights of criteria the FAHP method is used and finally the strategies are ranked through the applying HFAD and HFTOPSIS. The results of FTOPSIS and FAD were compared in selecting a maintenance strategy. The results of comparisons indicate the similarity of rankings by two techniques. Above techniques show that TPM alternative has superior to other strategies.
کلیدواژه‌ها [English]
- Maintenance Strategy
- Hierarchical Fuzzy Axiomatic Design
- Hierarchical Fuzzy Topsis
- FAHP
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