Talk:Redundancy (engineering)

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Automotive section

Latest comment: 18 years ago1 comment1 person in discussion

I removed the entire automotive section as it is basically a cut and paste copyvio from http://www.easis-online.org/wEnglish/links/index.shtml see the sparc section at the bottom. -- SusanLarson ^{(User Talk, New talk, Contribs)} 01:49, 12 January 2006 (UTC)Reply

Error in description

Latest comment: 18 years ago1 comment1 person in discussion

This part of the write up "In a triply redundant system, the system has three sub components, all three of which must fail before the system fails." is massively wrong as a triple redundant system is a 2oo3 system meaning that it needs 2 working components to continue to work. Correct would thus be: "In a triply redundant system, the system has three sub components, two of which must fail before the system fails."

For the ability to sustain operation with only 1 correctly working component a 1oo3D system would be needed ('D' for diagnosed). Alas that typically means that internally each component is replicated once for diagnosis purposes. --Markus Baumeister, 18.7.06

I'm confused about this too; it would seem in such a system, if two failed and one remained operative, there would still be no consistent way for the properly functioning system to "out-vote" its peers. At best, it would be a three way tie. At worse, both malfunctioning systems might fail in same way and give the same consisntently wrong results, out-voting the functioning system 2 to 1. Pimlottc 20:20, 9 August 2006 (UTC)Reply

Quad-redundancy

Latest comment: 14 years ago1 comment1 person in discussion

The article seems to indicate that the "largest" redundancy encountered in practice is in triplicate, but doesn't the F-16's quadruplex flight controls qualify as quad-redundant? Is it an exception, as it was the first fly-by-wire? 70.250.239.119 (talk) 01:48, 26 August 2010 (UTC)Reply

Boeing 747-400

Latest comment: 10 years ago1 comment1 person in discussion

A fault in the drive mechanism for the important tail fin of a 747-400 rendered that plane almost out of control, as seen on Foxtel Cable TV.

Fortunately, the design of the plane split the tail fin into two parts, each with its own drive mechanism, and "only" the lower fin was affected by the fault; hence there was redundancy.

The flight NW85 was diverted to Anchorage. Tabletop (talk) 03:07, 2 November 2014 (UTC)Reply

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