Re: Failure Modes and Ranges of Operation

From: paul c <toledobythesea_at_oohay.ac>
Date: Sat, 03 Feb 2007 16:07:52 GMT
Message-ID: <sr2xh.878865$R63.591772_at_pd7urf1no>


Bob Badour wrote:
> Neo's recent troll started me down a meandering path leading to these
> two separate but somewhat related (engineering) concerns.
>
> An operating range describes the conditions under which one of our
> devices will operate without failure. Failure modes are what happens
> when one tries to operate a device beyond that range.
>
> The sci.logic sort of folks grapple with the problems one encounters
> when one tries to have an infinite range of operation. And yet one can
> never fully escape the failure mode problem because division by zero
> generally fails.
>
> Failure mode analysis is very important in engineering. I wonder whether
> it has any supporting theory? Certainly, one can think of general
> principles. Likewise, beyond statistical analysis and empirical
> measurement, does any theory exist regarding ranges of operation?
>
> Any thoughts?

Sorry, no theory here, just wondering if this question is the same as asking whether relational closure is impossible when domains that aren't closed under operators such division, are present?

p Received on Sat Feb 03 2007 - 17:07:52 CET

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