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Author Topic: Here is why I do not trust drive by wire systems.
TheMoMan
BlabberMouth, a Blabber Odyssey
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Icon 1 posted July 04, 2010 08:50      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ Almost all of the car companies are going to drive by wire, it scares the poop out of me. Small example.

http://news.cnet.com/8301-19514_3-20009643-239.html

____ Auto-Engineers are an arrogant lot and believe that their system is so robust that this type of failure would never happen to their design.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


Benjamin Franklin,

Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged
Erbo
Discontinued


Icon 1 posted July 05, 2010 00:45            Edit/Delete Post   Reply With Quote 
See also a lot of entries in the RISKS Digest (Forum on Risks to the Public in Computers and Related Systems) of the ACM, published for a quarter century and chockablock with horror stories about "fly by wire" systems and similar.
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fs

Solid Nitrozanium SuperFan!
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Icon 1 posted July 05, 2010 01:25      Profile for fs   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
Mo... did you mean to link to a thing about docking at the ISS?

Also, the failure rate of any automatic navigation system would have to be pretty egregious to outdo assholes with cell phones.

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I'm in ur database, makin' moar recordz.

Posts: 1973 | From: The Cat Ship | Registered: Mar 2002  |  IP: Logged
TheMoMan
BlabberMouth, a Blabber Odyssey
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Icon 1 posted July 05, 2010 03:32      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
____ Yes, as almost all manufacturers are going to "Electronic Throttle, & Braking". I used the link about Progress and the ISS as it stated that interference in the last few miles caused the system to abort and do a fly-by. That system has a huge number of redundant loops just in case. Cars don't.

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Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety.


Benjamin Franklin,

Posts: 5848 | From: Just South of the Huron National Forest, in the water shed of the Rifle River | Registered: Sep 2002  |  IP: Logged
The Famous Druid

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Icon 1 posted July 05, 2010 17:55      Profile for The Famous Druid     Send New Private Message       Edit/Delete Post   Reply With Quote 
Back in the day when I was doing motion control systems (big winches moving several tonnes of gear with people wandering around below) I used to lie awake at night worrying about the latest release of software. There's just no way to test for everything.

I sleep much better now that the worst my mistakes can do is cause some phone calls to be dropped.

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If you watch 'The History Of NASA' backwards, it's about a space agency that has no manned spaceflight capability, then does low-orbit flights, then lands on the Moon.

Posts: 10680 | From: Melbourne, Australia | Registered: Oct 2002  |  IP: Logged


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