Forum: Reliability & Maintainability Questions and Answers

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Posted by: W. G. coberly (william.coberly@iews.monmouth.army.mil )
Organization:ARMY CECOM Software Engineering Center
Date posted: Fri Feb 28 15:20:00 US/Eastern 2003
Subject: reliability measures
Message:
How do you convert the equation for operational availability to inherent availability and vice versa?
Is there some standard method?

Replies:
Availability
BWD Mon Mar 3 13:31:24 US/Eastern 2003

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Posted by: chandu (chandra_hari@rediffmail.com )
Date posted: Wed Feb 26 3:21:43 US/Eastern 2003
Subject: Filed reliability
Message:
How can i evaluate MTBF from the warranty data ?
Warranty data is very dynamic.And we are not having the survival data also.

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Posted by: Sadat (sadath@nortelnetworks.com )
Organization:Nortel Networks
Date posted: Mon Feb 24 11:23:19 US/Eastern 2003
Subject: Siemens SN29500 Standard
Message:
Has anyone used Siemens standard SN29500? I have never heard of this before. Do you guys know anything about this and how it would compare to MIL-STD or Telcordia?
They also make reference to something called an "Atomic Plant Model". Any idea what this is?

Replies:
Siemens SN 29500
BWD Tue Feb 25 14:27:10 US/Eastern 2003

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Posted by: Wayne
Date posted: Mon Feb 24 8:05:38 US/Eastern 2003
Subject: AMSAA model fail
Message:
I have a query that is i have only 2 failures during my Reliability growth testing. I fit in into the AMSAA model and it fails the goodness of fit test. In this case can i represent the system reliability by it's Observed MTBF which is = total test duration/ total failures? If not are there a better alternative since i have only 2 data points.

Replies: (list all replies)
AMSAA data
Jorge L. Romeu Mon Mar 3 15:47:18 US/Eastern 2003
Reply on the above
Wayne Tue Mar 11 21:24:15 US/Eastern 2003

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Posted by: Chandu (chandra_hari@rediffmail.com )
Date posted: Sun Feb 23 6:30:03 US/Eastern 2003
Subject: Cusum charts
Message:
I need some help regarding, How to use CUSUM CHARTS for interpreting and predicting the MTBF, When we have some target MTBF. Please help me..

Replies:
Cusum Charts
bdudley Tue Feb 25 13:16:31 US/Eastern 2003

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