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From: Marius Amado Alves <maa@liacc.up.pt>
Newsgroups: comp.lang.ada
Subject: Re: No call for Ada (was Re: Announcing new scripting/prototyping
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Date: Wed, 21 Apr 2004 16:30:23 +0100
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Date: 2004-04-21T16:30:23+01:00

> ... it is not allowed to have a steeringsystem in a
> car in Norway that isn't mechanical. I mean servo-steering is allowed..=
=2E

Curiously enough, servo also introduced problems. I know first hand of an=
=20
accident caused by a person used to servobreaks but that was driving an=20
nonservo and failed to push the pedal hard enough. Just a story.

> ... Let us hope for your sake that the battery doesn't malfunction...

Of course the all 'virtual' control system would include reliability feat=
ures.=20
Cannot be just a laptop sending emails to the breaks. There are lots of=20
feasible ways to attain a reliable system. SPARK comes to mind. For the=20
energy an array of redundant small batteries with capacity for say 1 minu=
te=20
upon failure of one of them or of the big one(s). The time enough to stop=
 the=20
car. Everything else would be redundant too. Etc. Mechanical systems fail=
=20
too. And these are more hard to make redundant. Well, just my expectation=
s of=20
where the car industry should be now, or at least driving at.