Risk Evaluation of Failure Cause for FMEA under a Weibull Time Delay Model 


Vol. 33,  No. 3, pp. 83-91, Jun.  2018
10.14346/JKOSOS.2018.33.3.83


PDF
  Abstract

This paper suggests a weibull time delay model to evaluate failure risks in FMEA(failure modes and effects analysis). Assuming three types of loss functions for delayed time in failure cause detection, the risk of each failure cause is evaluated as its occurring frequency and expected loss. Since the closed form solution of the risk metric cannot be obtained, a statistical computer software R program is used for numerical calculation. When the occurrence and detection times have a common shape parameter, though, some simple results of mathematical derivation are also available. As an enormous quantity of field data becomes available under recent progress of data acquisition system, the proposed risk metric will provide a more practical and reasonable tool for evaluating the risks of failure causes in FMEA.

  Statistics
Cumulative Counts from November, 2022
Multiple requests among the same browser session are counted as one view. If you mouse over a chart, the values of data points will be shown.


  Cite this article

[IEEE Style]

권혁무, 이민구, 홍성훈, "Risk Evaluation of Failure Cause for FMEA under a Weibull Time Delay Model," Journal of the Korean Society of Safety, vol. 33, no. 3, pp. 83-91, 2018. DOI: 10.14346/JKOSOS.2018.33.3.83.

[ACM Style]

권혁무, 이민구, and 홍성훈. 2018. Risk Evaluation of Failure Cause for FMEA under a Weibull Time Delay Model. Journal of the Korean Society of Safety, 33, 3, (2018), 83-91. DOI: 10.14346/JKOSOS.2018.33.3.83.

Search
(IN TITLE, AUTHOR, ABSTRACT,KEYWORDS)

Advanced Search ▼

POPULAR KEYWORDS
(TOP 10 KEYWORDS)

Recent Publications
(LAST 3 YEARS)

pISSN : 1229 - 9197
eISSN : 1875 - 0052

Impact Factor(2022): 2.5