نتایج جستجو برای: fmea
تعداد نتایج: 1326 فیلتر نتایج به سال:
برقراری سیستم های مدیریـت محیط زیست در مراکز دانشگاهی و آموزش عالی ، با فراهم نمودن محیط زیستی سالم و پویا در جهت توسعه پایدار، می تواند افکار را برای پذیرش این مهم آماده و خود به عنوان الگویی موثر در حفظ و نگه داری محیط زیست و ایجاد بهبود مستمر واقع شود. از این رو مطالعه ای با هدف ارزیابی ریسک زیست محیطی و همچنین ارایه راهکارهای موثر در کاهش ریسک های زیست محیطی در دانشگاه آزاد اسلامی واحد علو...
این تحقیق در خصوص کاستی های fmea سنتی و معرفی روش جدیدی از fmea بر پایه تخمین هزینه فازی و مقادیر سودمندی میباشد که توسط این روش نوعی rpn جدید فازی تعریف میشود وسپس این rpn با استفاده از روش ahp گروهی و با استفاده از ایجاد یک پرسشنامه وزندهی میشود تا نوع جدیدی از تابع عضویت فازی برایrpn با تخصیص وزنهای مختلف برای هر یک از فاکتورهای شدت (severity) ، رخداد (ocurrance)و تشخیص (detection) بر ا...
Risk assessment is a standard tool in health care systems which is used to improve patient safety. Failure mode and effects analysis (FMEA) as a powerful risk assessment tool for safety and reliability widely applied by industries such as aerospace, nuclear, automotive, chemical, mechanical, medical technologies, and electronics. FMEA is popular technique, but it has some substantial deficienci...
Prospective hazard analysis methodologies, like failure modes and effects analysis (FMEA), have been tried and tested in the engineering industry and are more recently gaining momentum in healthcare. Considering FMEA's evidence based successes, this commentary makes the case that healthcare is underutilizing the methodology by relying on retrospective hazard analysis. Healthcare leaders should ...
The paper presents how CSP and the associated tool FDR are used to support FMEA of a software intensive system. The paper explains the basic steps of our approach (formal specification, systematic fault identification, fault injection experiments and follow-up) and gives some results related to the application of this method to the industrial case study, a railway signalling system that is pres...
Prevention of medication errors in neonatal intensive care units (NICUs) is of paramount importance due to age-specific and physiological conditions of neonates. This study aimed to evaluate the risk of medication prescription and administration via failure mode and effects analysis (FMEA), which was carried out at the Research and Medical Teaching Center of Imam Reza Hospital in Mashhad, Iran....
Introduction: Risk assessment is a systematic and essential procedure to determine the effects, events, and consequences of human activities on perilous systems. This study aimed to identify the hazards and determine the total risk of various units of Ilam Gas Refinery. Materials & Methods: This descriptive-inferential study assessed the risks on 18 various units of Ilam Gas Refinery through...
Esta pesquisa trata da aplicação ferramenta FMEA na construção civil a fim de prevenir acidentes ocupacionais durante o trabalho. Diante das características atividades, é um dos setores mais problemáticos em relação à ocorrência do Assim, implementação segurança ocupacional extremamente importante para acidentes, e utilização analisar riscos definindo medidas preventivas os trabalhadores. O pro...
In this study, we proposed a method to improve the safety level of control software (CSW) by managing CSW’s design information and analysis results, combining failure mode effects (FMEA) fault tree (FTA). Here, CSW is developed using structured methodology. upper stage development process, as input preliminary (data flow diagrams (DFDs) (CFDs)), causes undesirable events are clarified FMEA, cou...
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