ارائه روشی تلفیقی برای افزایش کیفیت محصول در دوره عمر آن با استفاده از طراحی آزمایش‌های تاگوچی و الگوی هزینه‌های کیفیت (مطالعه موردی: گروه صنعتی انتخاب)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد، دانشگاه اصفهان.

2 استادیار، دانشگاه شهید اشرفی اصفهانی.

3 دانش‌آموخته کارشناسی ارشد، دانشگاه اصفهان.

چکیده

هدف این پژوهش ارائه روش تلفیقی برای افزایش کیفیت محصول در دوره عمر آن از طریق طراحی آزمایش‌های تاگوچی و الگوی هزینه‌های کیفیت است. به این منظور تعیین ترکیب اهمیت هزینه‌های کیفیت در چرخه عمر محصول با تلفیق الگوی هزینه‌های کیفیت PAF و طراحی آزمایش‌های تاگوچی برایی نخستین بار در «گروه صنعتی انتخاب اصفهان» موردمطالعه قرار گرفته است. در این پژوهش چهار فاز چرخه عمر محصول انتخابی (معرفی، رشد، بلوغ و افول)، در چهار سطح (اهمیت هزینه‌های پیشگیری، ارزیابی، شکست داخلی و شکست خارجی) به‌عنوان عوامل کنترل در نظر گرفته شده و متغیر پاسخ، کیفیت محصول است که هدف به­‌دست­‌آوردن حداکثر آن است. نتایج  این روش نشان داد که در  معرفی و رشد سیاست پیشگیری، در مرحله بلوغ سیاست ارزیابی و در مرحله افول سیاست شکست داخلی به‌عنوان سطوح بهینه استراتژی‌های هزینه  کیفیت انتخاب شده‌اند. با پیگیری این سیاست‌ها کیفیت محصول انتخابی در طول عمر آن افزایش می‌یابد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Designing an Integrated Method for Increasing Quality of Product through Its Lifetime by Taguchi Design of Experiments and PAF Model (The Case of Entekhab Industrial Group)

نویسندگان [English]

  • Arash Shahin 1
  • Nassibeh Janatyan 2
  • Mahya khodaparastan 3
1 Professor, University of Isfahan.
2 Assistant Professor, Shahid Ashrafi Esfahani University.
3 MSc, University of Isfahan.
چکیده [English]

The aim of this study is to present an integrated method to increase the quality of the product during its lifetime through the design of Taguchi experiments and PAF model of quality costs. For this purpose, the combination of the importance of quality costs in the life cycle of the product by combining the PAF quality cost model and designing Taguchi experiments in the Entekhab industrial group in Isfahan has been studied. In this study, four phases of the selected product life cycle (introduction, growth, maturity and decline), at four levels (importance of prevention, evaluation, internal failure and external failure) are considered as control factors. In this study, product quality is considered as a response factor, which is considered to obtain the maximum value. The results of this study on the selected product of Entekhab Industrial Group have been determined. In the introduction stage and growth of product life cycle prevention policy have been selected.  In the maturity and decline stage, the appraisal and domestic failure policy has been chosen as optimal levels. By following these policies, the quality of selected product during its lifetime increases.

کلیدواژه‌ها [English]

  • Quality of Product
  • Taguchi Design of Experiments
  • Signal to Noise Ratio
  • PAF Model
  • Product Life Cycle

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