Subject:
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Re: GPS Reality?
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 11 Apr 2005 23:34:53 GMT
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Viewed:
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1283 times
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In lugnet.robotics, Chris 'Xenon' Hanson <xenon@3dnature.com> wrote:
> Danny Staple wrote:
> > Its worth pointing out that there has been recent discussions on the DPRG
> > list about small scale location - a discussion which started off on GPS. I
> > think it has now progressed to a system combining three sonar beacons,
> > which are broadcast a radio ping, and then transmit each of their signals.
> > The bot controller than uses the time difference between the request radio
> > ping, and the sonar reply to work out its position.
> >
> > Location on a small scale looks to be a fairly awkward problem...
>
> Is anyone familiar with the old Nintendo PowerGlove hardware? It did crude 3D
> triangulation based on a pair of pulsed ultrasonic emitters and a triad of receivers in a
> known (fixed) configuration.
>
> I have a couple of PowerGloves, but never came up with a decent controller. There was a
> design called the PGSI that had a microcontroller and could stream coordinates to a serial
> port.
I'll have to look, I think someone developed one way back then.. however.. there
is always the $15-$30 P5 USB Glove which is pretty nice...
http://www.vrealities.com/P5.html#
These guys might be able to help with that Seiral interface
http://ageinc.com/tech/index.html
Try a Google or other search.. the data is out there, but having looked for an
hour, I haven't found a schematic yet...
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Message has 1 Reply:
 | | Re: GPS Reality?
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| But using a GPS's simple bearing and distance would work almost flawlessly. The accuracy number only reflects that the unit knows that the user is in a circle of that radius. However, the unit knows exactly how far you've gone, if not where you are. (...) (20 years ago, 12-Apr-05, to lugnet.robotics)
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Message is in Reply To:
| | Re: GPS Reality?
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| (...) Is anyone familiar with the old Nintendo PowerGlove hardware? It did crude 3D triangulation based on a pair of pulsed ultrasonic emitters and a triad of receivers in a known (fixed) configuration. I have a couple of PowerGloves, but never came (...) (20 years ago, 10-Apr-05, to lugnet.robotics)
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