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 18:59:44 GMT
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Viewed:
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2411 times
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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$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 has 2 Replies:
 | | Re: Ultrasonic Mapping Robot
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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 (...) (27 years ago, 24-Apr-00, to lugnet.robotics)
| | | Re: Ultrasonic Mapping Robot
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| how do i get off this mailing list ?? ----- Original Message ----- From: James Pritchard <dungeon@madasafish.com> To: <lego-robotics@crynwr.com> Sent: Monday, April 24, 2000 11:59 AM Subject: Re: Ultrasonic Mapping Robot (...) 100 (...) I (...) (...) (27 years ago, 25-Apr-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: Ultrasonic Mapping Robot
|
| 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 (...) (27 years ago, 24-Apr-00, to lugnet.robotics)
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