Re: [PSES] safety under single fault

2023-10-11 Thread Ralph McDiarmid
" This incident serves to remind us that in our field of product safety, we require the product to be safe even in the event of a failure of any single component. " Maybe better to claim "product safety compliant under any single-fault". It's quite a reach and perhaps not appropriate to claim

Re: [PSES] safety under single fault

2023-10-11 Thread Ralph McDiarmid
I suppose same can be said for any Google search done on the job site. -Original Message- From: Mark Gandler Sent: Wednesday, October 11, 2023 2:28 PM To: rmm.priv...@gmail.com; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] safety under single fault Just a simple reminder, especially

Re: [PSES] safety under single fault

2023-10-11 Thread Ralph McDiarmid
Obviously, even an "antiquated design with a single point of failure", gets an air worthiness certificate by the FAA. However, LFP batteries need a fault-tolerant battery management system and tons of testing called out in UL1973 3rd edition. Not all aircraft need single-fault tolerance. I

Re: [PSES] safety under single fault

2023-10-11 Thread Mark Gandler
Just a simple reminder, especially if anyone uses their employer or private business devices to use AI tools: the information used for questions immediately and forever becomes public property. -Original Message- From: Ralph McDiarmid Sent: Wednesday, October 11, 2023 2:08 PM To:

Re: [PSES] safety under single fault

2023-10-11 Thread Ralph McDiarmid
Here's what ChatGPT 3.5 says about fault-tolerance and general aviation aircraft: Fault-tolerance systems in general aviation aircraft can enhance safety, but their inclusion is not mandatory for all such aircraft. The need for fault-tolerance systems depends on several factors, including the

[PSES] safety under single fault

2023-10-11 Thread Richard Nute
Hello from Bend, Oregon: On September 4, 2022, a plane carrying 10 people crashed into Puget Sound's Mutiny Bay near Whidbey Island. The National Transportation Safety Board, which investigated the crash, said Thursday that a single component of a critical flight control system failed, causing