آنالیز حساسیت و بررسی قابلیت اعتماد سیستم های منسجم با اجزاء وابسته در کارکرد

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشکده مهندسی صنایع، دانشگاه صنعتی مالک اشتر، اصفهان، ایران

2 دانشگاه آزاد اسلامی نجف اباد

3 دانشگاه ازاد نایین

چکیده

تعیین شاخص همبستگی اجزاء و تاثیر آن بر قابلیت اطمینان سیستم ضرورت دارد تا بتواند مدل‌ها را ملزم کند تا به طور صریح شکست‌های پیوسته را ترکیب و هماهنگ کند و برآورد درستی از قابلیت اطمینان سیستم ارائه دهند. رویکردهای قبلی برای مدل سازی همبستگی، محدود به سیستم‌هایی هستند که شامل دو یا سه جزء بوده و یا فرض می‌شوند که کارکرد اجزاء، از نظر آماری مستقل هستند. در این پژوهش ضمن در نظر گرفتن وابستگی بین کارکرد اجزاء به ارائه مدلی برای در نظر گرفتن این وابستگی و محاسبه قابلیت اطمینان سیستم های سری ، موازی ، سیستم های k-out of-n ، موازی-سری و سری- موازی پرداخته شده است و برای درک بهتر مساله مثالهایی همراه با تحلیل حساسیت ارائه شده است که در آن اجزاء از لحاظ کارکرد بهم وابسته اند

کلیدواژه‌ها


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