نتایج جستجو برای: روش fmea

تعداد نتایج: 370730  

2002
Oliver Mäckel

Technical systems are prevalent in many areas of our society. Nowadays they often include a considerable amount of software. Identification and avoidance of technical risks is of major importance in the development of these softwareintensive technical systems. A powerful analysis technique in the development process for technical systems is the Failure Mode and Effects Analysis (FMEA). This tec...

Journal: :Gradus 2021

This article aims to show few advanced approach method for improving Failure Mode and Effect Analysis (FMEA). The possible failure situations in the system design are investigated separately considered a Hierarchical FMEA worksheet form. authors propose three different methodological methods based on hybridized fuzzy logic FMEA.

2011
Lachlan Murray Wenguo Liu Alan F. T. Winfield Jonathan Timmis Andrew M. Tyrrell

In this paper, the reliability of a collective robotic system is analysed using two different techniques from the field of reliability engineering. The techniques, Failure Mode and Effect Analysis (FMEA) and Fault Tree Analysis (FTA), are used to analyse and compare two variants of a previously developed ‘autonomous morphogenesis’ controller. The reliability of the controller is discussed and a...

2013
Stefan SCHMIDT

Preventive methods are seldom used in logistics, although there is increasing awareness of their potential. This paper presents two examples of preventive methods currently in use, Poka-Yoke and FMEA (Failure Mode and Effect Analysis). The implementation of Poka-Yoke, the mistake proofing methodology, has been shown to drastically reduce the enormous warranty costs, including logistics costs, w...

Journal: :J. Intelligent Manufacturing 2014
Kuei-Hu Chang Yung-Chia Chang Pei-Ting Lai

Failure modes and effects analysis (FMEA) has been used to identify the critical risk events and predict a system failure to avoid or reduce the potential failure modes and their effect on operations. The risk priority number (RPN) is the classical method to evaluate the risk of failure in conventional FMEA. RPN, which ranges from 1 to 1000, is a mathematical product of three parameters—severit...

2015
Thaya Maranate Adisak Pongpullponsak Pimon Ruttanaumpawan

The investigations for diagnosis and severity of OSA in Thai population need RDI from the PSG in sleep laboratory. The current problems of Thailand are firstly, inadequate sleep specialist and experienced technician: secondly, inadequate sleep laboratory result in long queue of appointments for sleep study. The authors proposed the new application for solving problem and developing to prioritiz...

Journal: :Applied sciences 2021

Product Design (PD) currently faces challenges in new product development, since the industry is a rush to introduce products into market, with customers demanding that are faster, cheaper, and free from failure. In addition, global companies trying improve their design risk assessment process gain advantages over competitors, using proven tools like Failure Mode Effect Analysis (FMEA) mixing m...

Journal: :Applied sciences 2022

In the development of safety-critical systems, it is important to perform failure modes and effects analysis (FMEA) identify potential failures. However, traditional FMEA activities tend be considered difficult time-consuming tasks. To compensate for difficulty task, various types tools are used increase quality effectiveness reports. This paper explains an automatic tool that integrates model-...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

امروزه تقریبا تمام سازمان ها و شرکت ها از سیستم های بر پایه ی وب در اینترنت و شبکه های الکترونیکی جهت ارتباط با مشتریان و کاربران، به جهت انجام تجارت الکترونیکی استفاده می نمایند. در تجارت الکترونیک، وب سایت تنها فضایی است که مشتری با سازمان و شرکت در تماس است و اگر نیازها و خواسته های مشتری در طراحی وب سایت در نظر گرفته نشود، ممکن است باعث عدم مراجعه ی مجدد او به سایت شود. دراین تحقیق از qfd و...

Journal: :Research in Engineering Design 2021

In industry, the failure mode and effect analysis (FMEA) methodology is one of main tools used for reliability management in product design development. However, academic literature highlights several shortcomings FMEA methodology. Therefore, purposes this paper are weaknesses FMEA, improvement method, implementation a new able to support quality more efficient way. Motivated by these objective...

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