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General model for the risk priority number in failure mode and effects analysis
Reliability Engineering & System Safety, 2018Abstract Failure mode and effects analysis (FMEA) is a structured method used during a given stage of the system life cycle to understand all probable failure modes and the effects of their occurrences. The risk priority number (RPN) is calculated in FMEA to select more critical failure modes by multiplying three factors: occurrence, detection, and ...
Kyungmee O. Kim, Ming Jian Zuo
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Fuzzy risk priority number assessment for solar gel battery manufacturing defects
Engineering Failure Analysis, 2021Abstract The manufacturing quality of the solar gel battery has a weighty impact on its performances as well as its available rated capacity and lifetime. It is possible to achieve many improvements of battery quality by making attention to the critical causes of manufacturing process defect.
Raja Yahmadi +2 more
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Risk priority number for PV module defects: influence of climatic condition
New Concepts in Solar and Thermal Radiation Conversion and Reliability, 2018Over the course of their lifetime, photovoltaic (PV) modules develop defects and experience performance degradation due to local environmental stresses. The defect type and rate of degradation depend upon cell technology, module construction type, module manufacturing quality control, installer workmanship, and the installed environment. Defects can be
GovindaSamy TamizhMani +4 more
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The Risk Priority Number (RPN) At A Level Crossings Along The Railway Line In Indonesia
Journal of Advanced Research in Applied Sciences and Engineering Technology, 2021Indonesia has 7,464 km of railway lines along with the islands of Sumatra and Java. There are 5,239 level crossings along the railway line spread over 9 Operational Areas (Daop) and 4 Operations Divisions (Divre). According to data from the Directorate General of Indonesian Railways, throughout 2020, there have been 456 accidents at official and ...
null Franka Hendra Sukma +2 more
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Design FMEA for a diesel engine using two risk priority numbers
2012 Proceedings Annual Reliability and Maintainability Symposium, 2012Failure Modes and Effects Analysis (FMEA) is an effective technique for identifying and eliminating possible failures. FMEA has been widely used in the manufacturing industry and in various phases of the life cycle of a product. The aim of FMEA is to ensure high quality and reliability.
Dan Ling +4 more
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Fuzzy-Based Approach to Solve Classical Risk Priority Number Drawbacks for Railway Signaling Systems
IEEE Intelligent Transportation Systems Magazine, 2023Failure modes, effects, and criticality analysis (FMECA) is a powerful tool used to quantify the risk related to safety-critical systems and to develop the proper corrective actions to minimize the associated risk. However, traditional FMECA has been widely criticized for its many drawbacks and weaknesses. Different combinations of occurrence, severity,
Ciani L., Guidi G., Patrizi G.
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Fuzzy-based risk priority number in FMEA for semiconductor wafer processes
International Journal of Production Research, 2013Semiconductor wafer manufacturing processes are considered to be complex and require considerable manpower and financial investment. Effective control to promote wafer yield is thus a very important issue. Many computational problems in traditional failure mode approaches, such as variable selection and data collection, are far too dependent on the ...
Tsu-Ming Yeh, Long-Yi Chen
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Definition and Analysis of a New Risk Priority Number Concept
2004Risk Priority Numbers (RPNs) are a powerful qualitative method for discovering and prioritising critical issues in early design phases. They have become very popular in particular as a tool in automotive or software Failure Modes, Effects, and Criticality Analysis (FMECA).
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Study of a new Analysis Method of Risk Priority Number Based on FMEA
SAE Technical Paper Series, 2015<div class="section abstract"><div class="htmlview paragraph">In order to overcome the drawback that the traditional risk priority number method could not clearly make a risk priority sequence, a new analysis method of RPN was presented. Combined with loss costs, this method was based on FMEA.
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Risk Management Priority Assessment of heritage sites in China Based on Entropy Weight and TOPSIS
Journal of Cultural Heritage, 2021An Chen
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