kylebassett at gmail.com
Wed Apr 2 20:23:56 CEST 2008
Alexy is correct. Due to the integrative nature of accelerometers, the
longer the time, the more error associated with any result.
On Wed, Apr 2, 2008 at 12:09 PM, Alexey Feldgendler <alexey at feldgendler.ru>
> On Wed, 02 Apr 2008 17:52:56 +0200, Flemming Richter Mikkelsen <
> quatrox at gmail.com> wrote:
> What do we need the CAN interface for?
> > We already know the speed before we enter the tunnel, and if the neo
> > is in a car holder in a stable position, calibrated with some
> > software, it knows from the accelerometers if we are driving strait
> > ahead or making a turn and also if we are accelerating. With a little
> > bit of mathematics, this can turn out to be very precise.
> As you're driving through a long tunnel (the longest one in Norway being
> 24.5 km), error accumulation will deteriorate the precision to the point of
> rendering the data useless.
> Alexey Feldgendler <alexey at feldgendler.ru>
> [ICQ: 115226275] http://feldgendler.livejournal.com
> Openmoko community mailing list
> community at lists.openmoko.org
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