Re: Predictive failures

"Don" <g@crcomp.net> wrote in message news:20240416a@crcomp.net...

Don Y wrote:

Is there a general rule of thumb for signalling the likelihood of
an "imminent" (for some value of "imminent") hardware failure?
>
I suspect most would involve *relative* changes that would be
suggestive of changing conditions in the components (and not
directly related to environmental influences).
>
So, perhaps, a good strategy is to just "watch" everything and
notice the sorts of changes you "typically" encounter in the hope
that something of greater magnitude would be a harbinger...

>
A singular speculative spitball - the capacitive marker:
>
   In-situ Prognostic Method of Power MOSFET Based on Miller Effect
>
   ... This paper presents a new in-situ prognosis method for
   MOSFET based on miller effect. According to the theory
   analysis, simulation and experiment results, the miller
   platform voltage is identified as a new degradation
   precursor ...
>
   (10.1109/PHM.2017.8079139)

Very interesting but are there any products out there which make use of this
or other prognostic methods to provide information on remaining useful life?

>
Danke,
>
--
Don, KB7RPU, https://www.qsl.net/kb7rpu
There was a young lady named Bright Whose speed was far faster than light;
She set out one day In a relative way And returned on the previous night.