Subject:
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Re: LEGO MindStroms 2.0: Alternative transmission techniques
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 21 Oct 2002 05:06:05 GMT
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Original-From:
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Raphael Langerhorst <RAPHAEL-LANGERHORST@GMX.ATihatespam>
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Reply-To:
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raphael-langerhorst@gmx.*nomorespam*at
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Viewed:
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889 times
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On Sunday, 20th Oktober 2002 18:32 you wrote:
> Would a Cybermaster be usable? It communicates via RF and therefore doesn't
> need line of sight. It also has built-in odometers which might be useful
> for dead reckoning navigation, although I've never used the odometers and
> haven't heard much about them.
>
> Russ
Hi!
Basically I think that for communication a Cybermaster would be better, but it
lacks a bit of "programmability" as far as I know. And we also want to attach
individual sensors and do more than just navigation. The IR to RFand RF to IR
converters sound good. So the RCX and the PC don't even know that they are
not communicating only over IR (although we haven't found a fitting system
yet).
greetings,
Raphael
>
> > -----Original Message-----
> > From: news-gateway@lugnet.com
> > [mailto:news-gateway@lugnet.com]On Behalf
> > Of Andreas Nauerz
> > Sent: Saturday, October 19, 2002 4:24 PM
> > To: lego-robotics@crynwr.com
> > Subject: LEGO MindStroms 2.0: Alternative transmission techniques
> >
> >
> > Hi,
> >
> > we want to build a Roboter with the following characteristics
> > and under the
> > following conditions:
> >
> > The roboter should be able to drive through a whole building
> > by itself.
> > During his drive he detects obstacles, walls etc.
> > Everything he detects he sents back to a computer.
> >
> > The computer is the brain of this application.
> > He holds the program (the logic) of the whole application.
> > He gives the comand to the robot where to drive and accepts
> > the feedback
> > from the robot.
> > Depending on what the robot sends he sketches a plan of the building.
> >
> > So this roboter is controlled by a PC and acts as a little
> > architect ;-)
> > We want to realize this via programming the robot with Java,
> > e.g. a Java RCX
> > API.
> >
> > First of all... is this whole project possible ?
> >
> > Our problem (!):
> > What happens if the robot leave the room ?
> > How can we still send data from the PC to the Robot (for
> > control of the
> > movement) ?
> > How can we still receive data from the robot to the PC (for
> > feedback about
> > obstacles and walls) ?
> >
> > We do not want to use wires of course.
> >
> > Any ideas ?
> > I guess IR is inappropriate in this case, or ?
> > Are there other wireless solutions ?
> >
> > Thanks a lot for your support !
> >
> > Regards, Andreas
s
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