نتایج جستجو برای: تکنیک fmea

تعداد نتایج: 28852  

ژورنال: :مدیریت تولید و عملیات 0
مظاهر قربانی رضا توکلی مقدم رضا توکلی مقدم جعفر رزمی سید محمد عرب زاد

طی سالیان گذشته، روش های زیادی برای ارزیابی و انتخاب تأمین کنندگان ارائه شده است، اما نکته ای که معمولاً از آن غفلت شده است، نقش اقلام خرید در این فرآیند است. هدف این مقاله، ارائه رویکردی برای انتخاب تأمین کنندگان و تخصیص سفارش های خرید بر مبنای ماهیت اقلام خرید است؛ به این معنا که ماهیت اقلام خرید در فرآیند ارزیابی تأمین کنندگان و تخصیص سفارش های خرید نقش مستقیمی دارد. به این منظور، ابتدا اقلام...

2008
Kirsten Winter Nisansala Yatapanage

In this report presents our experience with automating parts of the FMEA process using a model checker. As the case study a minepump control system is used, that prevents flooding in a mineshaft

2014
Pedro Domingos

Project management has been consolidated into organizations due to its high added value, allowing that project results are delivered on time, budget, scope and quality. This is specially important for ICT projects, for which innovation is usually present. For such, the correct resource allocation, and effective management require application of project management techniques and tools. In this s...

Journal: :Quality and Reliability Eng. Int. 2015
Samira Abbasgholizadeh Rahimi Afshin Jamshidi Daoud Aït-Kadi Angel B. Ruiz

This paper proposes an integrated approach to identify, evaluate, and improve the potential failures in a service setting. This integrated approach combines FCS-FMEA, GRA and profitability theory for better prioritization of the service failures by considering cost as an important issue and using the profitability theory in a way that the corrective actions costs are taken into account. Conside...

2010
Afshin Jamshidi Reza Baradaran Kazemzadeh

Nowadays, improving and upgrading quality of products and services is one the main reason for outgoing the competitors and penetration into markets. This article is about the deficiency of the traditional FMEA, and introduces a new method based on estimated costs fuzzy FMEA and utility values. In the proposed method a new fuzzy RPN is defined. A pair wise comparison among Severity, Occurrence a...

2017
Nacef Tazi Eric Châtelet Youcef Bouzidi Frede Blaabjerg

Failure mode and effects analysis (FMEA) has been proven to be an effective methodology to improve system design reliability. However, the standard approach reveals some weaknesses when applied to wind turbine systems. The conventional criticality assessment method has been criticized as having many limitations such as the weighting of severity and detection factors. In this paper, we aim to ov...

2007
Maurice PILLET

When building a control plan, we are always facing a threefold issue: Should we check product characteristics or process parameters? Where have we to place this check? Is our effort of control adapted; or is it undersized, oversized? Such as it is classically implemented, FMEA usually highlights the lacks and not the excess of controls, thus generating too heavy and usually too expensive a cont...

2014
Ben Swarup Hari Prasad

Safety critical systems are those systems whose failure could result in loss of life, significant properityda mage, or damage to the environment. Brake-by-wire (BBW) technology in automotive industry is the ability to contr ol brakes through electrical means. It can be designed to supplement ordinary service brakes or it can be a standalone brake system. The increasing usage of brake-by-wire sy...

Journal: :Expert Syst. Appl. 2015
Francesco Lolli Alessio Ishizaka Rita Gamberini Bianca Rimini Michael Messori

Failure mode and effects analysis (FMEA) is a well-known approach for correlating the failure modes of a system to their effects, with the objective of assessing their criticality. The criticality of a failure mode is traditionally established by its risk priority number (RPN), which is the product of the scores assigned to the three risk factors, which are likeness of occurrence, the chance of...

2017
Elio G Rossi Tommaso Bellandi Marco Picchi Sonia Baccetti Maria Valeria Monechi Catia Vuono Federica Sabatini Antonella Traversi Mariella Di Stefano Fabio Firenzuoli Sara Albolino Riccardo Tartaglia

Aim: To develop a systematic approach to detect and prevent clinical risks in complementary medicine (CM) and increase patient safety through the analysis of activities in homeopathy and acupuncture centres in the Tuscan region using a significant event audit (SEA) and failure modes and effects analysis (FMEA). Methods: SEA is the selected tool for studying adverse events (AE) and detecting the...

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