Subject:
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Re: Ultrasonic Mapping Robot
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 24 Apr 2000 22:57:15 GMT
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Original-From:
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Bob Highfill <(highfill@)AntiSpam(accessam.net)>
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Viewed:
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923 times
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Resolution at 30 ft is 0.9 inches. At 90 ft, it is 3.2 inches.
Bob Highfill
----- Original Message -----
From: James Pritchard <dungeon@madasafish.com>
To: <lego-robotics@crynwr.com>
Sent: Monday, April 24, 2000 2:59 PM
Subject: Re: Ultrasonic Mapping Robot
> What kind of resolution does a system like that have?
>
> Bob Highfill <lego-robotics@crynwr.com> wrote in message
> news:008701bfae11$983a5520$486c60ce@matt...
> > I have developed an ultrasonic tracking system, called the UlTra System,
> > that tracks a lightweight, piezoelectric ultrasonic transmitter over a • 100
> > ft x 100 ft area. I have both a 2-D and 3-D tracking version.
> > Unfortunately, the cost of this system is not cheap ($8,000 for the 2-D • and
> > $12,000 for the 3-D). The system is used primarily in environmental
> > surveying, but could be used to track and control a robot in real time. • I
> > mention it because of your interest in the problem.
> >
> > Bob Highfill <highfill@accessam.net>
> >
> > ----- Original Message -----
> > From: Robb Greathouse <rgreathouse@interems.com>
> > To: 'Andy Gombos' <gombos@ne.infi.net>; <lego-robotics@crynwr.com>
> > Sent: Monday, April 24, 2000 12:09 PM
> > Subject: RE: Ultrasonic Mapping Robot
> >
> >
> > > This month's Circuit Cellar has an article on a Robot Boat that • navigates
> > > using digital compass and GPS to navigate through waypoints.
> > >
> > > Adding an ultrasonic sensor would be an interesting setup.
> > >
> > > Robb,
> > >
> > >
> > > -----Original Message-----
> > > From: Andy Gombos [mailto:gombos@ne.infi.net]
> > > Sent: Sunday, April 23, 2000 6:52 PM
> > > To: lego-robotics@crynwr.com
> > > Subject: Ultrasonic Mapping Robot
> > >
> > >
> > > Hello
> > >
> > > I have another idea for a mapping robot that maps out a room and it's
> > > obstacles.
> > > This time I think that I could use an ultrasonic sensor to map • obstacles
> > > out to a distance, then have the RCX figure out the maximum distance
> > > that can be moved forward without hitting anything. After this, the
> > > obstacle mapping continues, and the clear path searching finds a new
> > > mapping line. Then the map is uploaded to a computer, and plotted. • This
> > > map could be used to plot waypoints in the room for the robot to • follow
> > > to do a task.
> > >
> > > Now I want to know, Is this feasible? I think the only hard part
> > > would be changing the array so that the new mapped values match in
> > > positito with the old ones. Any ideas on this?
> > >
> > > Andy
> >
> >
> >
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Message is in Reply To:
 | | Re: Ultrasonic Mapping Robot
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| What kind of resolution does a system like that have? Bob Highfill <lego-robotics@crynwr.com> wrote in message news:008701bfae11$98...ce@matt... (...) and (...) navigates (...) (25 years ago, 24-Apr-00, to lugnet.robotics)
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