Path: ...!weretis.net!feeder6.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: Predictive failures Date: Tue, 16 Apr 2024 11:37:16 -0400 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 38 Message-ID: References: <20240416a@crcomp.net> Injection-Date: Tue, 16 Apr 2024 15:37:19 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="84601"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:iGkvcaZJi3+X5932W2+xVWjfRNs= sha256:XE80WfKhTc8hTNlb98HhJPwK8DmttEA57CfeGnnkM+c= sha1:wDCIUbCbTIvnJT3GleTAF8uHj6k= sha256:tDK72x+t8s4CjJKHxU5AxafBEmEJXRfd8qGAvNEt93A= X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-MSMail-Priority: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Priority: 3 X-RFC2646: Format=Flowed; Original Bytes: 2582 "Don" 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. >