Alt-BEAM Archive
Message #00101
To: James Wilson jameswilson@globalserve.net
From: Travis spy007@pobox.alaska.net
Date: Mon, 01 Feb 1999 16:37:43 -0900
Subject: [alt-beam] Re: BEAM classification
Id suggest using it and building a bare system with minimal linux installation that
runs lisp. Then control everything throught the parralell port.
James Wilson wrote:
> Alittle off topic but... In one of my dumpster dives I came accross some old
> mother boards including cpus and static ram. My understanding of the more
> complex issues of electronics is sorely lacking but, would you consider a robot
> that uses a cpu and ram and a language like LISP to be beam? LISP is recursive
> and it is possible to create code that can change itself due to the FEEDBACK it
> receives.
>
> James
>
> dennison wrote:
>
> > feedback can be implemented useing microprocessors. There are sensors for
> > this sort of stuff. You don't even nessesarlly have to program in the
> > reflexs before hand. Computer code is possible that allows a computer to
> > react differently based upon novel threshold type data. And remeber, a BEAM
> > bot does has reasonably preprogrammed reflexes. We build the robots to do
> > something. A 'preprogramed task' if you might say. One way to classify BEAM
> > is as a device whose actual design is it's programing.
> >
> > Dennison
> >
> > Dennison
> > >But doesn't the PIC's *programmed reflex* - the code to move the motor -
> > negate
> > >the inherent feedback that helps to adjust gait (in walkers) ? I am
> > working on
> > >an 8-leg walker that uses BEAM legs , steered by a microprocessor that
> > sends
> > >occasional pulses to the leg microcores, but then leaves them until a
> > direction
> > >change is needed. I would consider this to be BEAM.
> > >
> > >TOM
> > >
> > >-----Original Message-----
> > >From: dennison [SMTP:dennlill@buffnet.net]
> > >Sent: Monday, February 01, 1999 8:07 AM
> > >To: beam; BEAM List; Tom Mairs
> > >Subject: Re: BEAM classification
> > >
> > >
> > >I don't know about that. I could build a BEAM bot that instead of using a
> > SE
> > >used a PIC simply because it was easyer than a SE circuit, AND could
> > >incorporate many other functions. Microprocessors do not exclude the robot
> > >from being BEAM. Infact, I'd like to see a CPU walker around here.
> > >
> > >I'd agree, anything remote controlled doesn't count.
> > >
> > >It dosen't nessesarilly need to source it's own power. No problem witha
> > >manual re-charge.
> > >
> > >Dennison
> > >A BEAM bot is NOT:
> > >>
> > >>Any thing that uses a preprogrammed set of instructions for primary
> > >functions.
> > >>A bot that is PRIMARILY microprocessor driven - incorporating a processor
> > >for
> > >>higher level functions seems to be OK.
> > >>Remotely controlled by computer, or by person.
> > >>Can source it's own power and recharge (not a wind-up, or manual
> > re-charge)
> > >>
> > >>Hope this helps,
> > >>
> > >>
> > >>TOM
> > >>
> > >>
> > >>-----Original Message-----
> > >>From: George Rix [SMTP:rix.g@bmts.com]
> > >>Sent: Monday, February 01, 1999 5:26 AM
> > >>To: Ian Bernstein; beam@corp.sgi.com
> > >>Subject: Re: BEAM classification
> > >>
> > >>>Hi
> > >>>I was writing up some more stuff for my FAQ and I was going to write on
> > >>>what a BEAM robot is, then I thought.....
> > >>>
> > >>>What makes a particular robot a BEAM robot?
> > >>>
> > >>>
> > >>>Size? Circuit????????
> > >>>
> > >>>I mean if I build a robot, how do I know if it's a BEAM robot or just a
> > >>>regular robot?
> > >>>
> > >>>What is the classification of a BEAM robot?
> > >>>
> > >>>I'd like some input on this :-)
> > >>Well, it should meet as many of the letters in BEAM as possible, and be
> > >>autonomous for the most part, I believe. I'm a newbie though.
> > >>Signing off,
> > >>Rob Rix
> > >>
> > >>--------------------------------------------------------------------------
> > -
> > >>'If anything can possibly go wrong, it probably already has' ? Murphy's
> > law
> > >>
> > >
--
Travis Brady
Master Snowboarder
http://nvnet.hypermart.net/
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