R help - Jul 2007 - MTBF Reliability calculations

I'm working on a project involving reliability values (known failure
rates) for a system with approximately 700 components with a set
cconfiguration.

I'm looking to compute a "parts-count" MTBF (mean time between
failures)
for the system. 

(See also MIL-HDBK-217)

 

Is there anything in R that can help me with this?

Thanks, 
Eric Jennings 

QA Technical Assistant 
Crane Electronics --Redmond 
10301 Willows Road 
P.O. Box 97005 
Redmond, WA 98073 
PH 425.895.5039 
e-mail eric.jennings@intp.com 

Attention: 
The information contained in this email message may be privileged and is
confidential information intended only for the use of the recipient, or
any employee or agent responsible to deliver it to the intended
recipient. Any unauthorized use, distribution or copying of this
information is strictly prohibited and may be unlawful. If you have
received this communication in error, please notify the sender
immediately and destroy the original message and all attachments from
your electronic files.

 


-- 
This message has been scanned for viruses and\ dangerous con...{{dropped}}

On Tue, 2007-07-31 at 15:10 -0700, Jennings, Eric wrote:
> I'm working on a project involving reliability values (known failure
> rates) for a system with approximately 700 components with a set
> cconfiguration.
> 
> I'm looking to compute a "parts-count" MTBF (mean time
between failures)
> for the system. 
> 
> (See also MIL-HDBK-217)
> 
>  
> 
> Is there anything in R that can help me with this?
You could enter all the data (component types and counts) into a file
and then use R to multiply and add.  R is a little more than you need to
perform a parts count 217 analysis or a part stress analysis for that
matter.  A spreadsheet would suffice for something as small as 700
components if you don't want to or can't use something like Relex,
Reliasoft, Item, etc.
-- 
Andrew "Weibullguy" Rowland
Reliability & Safety Engineer

darowland at ieee.org
http://webpages.charter.net/weibullguy
http://reliafree.sourceforge.net
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
Url :
https://stat.ethz.ch/pipermail/r-help/attachments/20070731/c9103dc0/attachment.bin