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Common Cause Failure ModesHigh technology industries with high failure costs commonly use redundancy as a means to reduce risk. Redundant systems, whether similar or dissimilar, are susceptible to Common Cause Failures (CCF). CCF is not always considered in the design effort and, therefore, can be a major threat to success. There are several aspects to CCF which must be understood to perform an analysis which will find hidden issues that may negate redundancy. This paper will provide definition, types, a list of possible causes and some examples of CCF. Requirements and designs from NASA projects will be used in the paper as examples.
Document ID
20110015733
Document Type
Conference Paper
Authors
Wetherholt, Jon
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Heimann, Timothy J.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Anderson, Brenda
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 25, 2013
Publication Date
August 8, 2011
Subject Category
Quality Assurance And Reliability
Report/Patent Number
M11-0661
M11-0444
M11-0178
Meeting Information
29th International System Safety Conference (ISSC)(Las Vegas, NV)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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