Path: ...!weretis.net!feeder6.news.weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Don" Newsgroups: sci.electronics.design Subject: Re: Predictive failures Date: Tue, 16 Apr 2024 17:15:31 -0000 (UTC) Organization: A noiseless patient Spider Lines: 43 Message-ID: <20240416b@crcomp.net> References: <20240416a@crcomp.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Tue, 16 Apr 2024 19:15:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ea24c22831db45ec26d076c5131ed99c"; logging-data="1126585"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/kL3T5PDIioTi+IKT1nv8o" Cancel-Lock: sha1:6qLiW22av3LfoZ+j9do6p7fz+is= Bytes: 2581 Edward Rawde wrote: > Don wrote: >> 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? Perhaps this popular application "rings a bell"? Battery and System Health Monitoring of Battery-Powered Smart Flow Meters Reference Design 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.