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 Robotics / RCX / legOS / 3905
    position calculating for robots —John Hambas
   Thanks Thomas for your idea. The matter is that I was thinking of using angle sensors in order to calculate the number of the turns that each wheel has driven (I am talking for a robot with 2 wheels). I think that some advanced maths are required (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
   
        Re: position calculating for robots —Mark Bellis
     (...) From something I read 12 years ago for my university project (a Lego robot of course, but pre-RCX), I think it required differential equations (ugh!). Probably a bit too memory-hungry for an RCX. Perhaps you could use the PC's computing power (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
    
         Re: position calculating for robots —Brian B. Alano
     (...) There are various geometries have been implemented in Lego bricks for this. Here is one example: (URL) searching Google for "Lego adder subtractor" for others. (19 years ago, 2-Jun-05, to lugnet.robotics.rcx.legos)
   
        Re: position calculating for robots —Michael Wisse
   (...) You don't need advanced math for navigating, but sin and cos for calculating coordinates in an X/Y coordinate system. This you need independently from your steering system. Brickos has no math lib, but there where some posts on this list some (...) (19 years ago, 20-Jun-05, to lugnet.robotics.rcx.legos)
 

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