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Subject: 
Re: Navigation using landmarks (Was: Re: lasers and RCX)
Newsgroups: 
lugnet.robotics
Date: 
Wed, 10 Jul 2002 13:51:33 GMT
Viewed: 
1831 times
  
http://www.robogeeks.com/mousehack.htm

Bluey7






In lugnet.robotics, sjbaker1@airmail.net writes:
> Rob Limbaugh wrote:
> > A Killough platform may have 3 motors, but it operates in a X-Y coordinate plane, not X-Y-Z.
> 
> When I said "three degrees of freedom" - I didn't mean "X-Y-Z", I mean't X, Y and Rotation-about-Z.
> 
> Whilst (in theory) a Killough platform moves in X and Y only - they do rotate a little in practice.
> 
> > Rethinking the clearance issue... perhaps a Lego magnifying glass could help.  The focal points seem to be around an inch from the lense (or so).
> 
> From reading the specifications for the mouse chip, I get the impression that the magnification
> has to be quite precise in order for it to work.  I'd be very suprised if something as simple as
> sticking any old lens beneath it would work.
> 
> ----------------------------- Steve Baker -------------------------------
> Mail : <sjbaker1@airmail.net>   WorkMail: <sjbaker@link.com>
> URLs : http://www.sjbaker.org
>        http://plib.sf.net http://tuxaqfh.sf.net http://tuxkart.sf.net
>        http://prettypoly.sf.net http://freeglut.sf.net
>        http://toobular.sf.net   http://lodestone.sf.net



Message is in Reply To:
  Re: Navigation using landmarks (Was: Re: lasers and RCX)
 
(...) When I said "three degrees of freedom" - I didn't mean "X-Y-Z", I mean't X, Y and Rotation-about-Z. Whilst (in theory) a Killough platform moves in X and Y only - they do rotate a little in practice. (...) From reading the specifications for (...) (24 years ago, 10-Jul-02, to lugnet.robotics)

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