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Re: Open (i think) design for a parallel robot (reprap may be interested)


 

Not really. Since CAD models are built in a cartesian coordinate system,
somewhere along the way you need to translate into a motor space. Whenever
you translate co-ordinate systems, you get quantization error at the encoder
(or step) resolution.

On 8/30/06, Mike Pogue <mpogue@...> wrote:


I don't think this is necessarily the case. I am working on a
tripod-style design (yes, for home use), and so far, my software doesn't
decouple the g-code interpreter from the motor positions. And, there is
no quantization error introduced by the interpreter -- my algorithms
basically operate in stepper motor space.

Does that make sense?

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