On 13 January 2012 06:05, Jon Elson wrote:
> I will have to try negative D values to see what they might do.
D might want to be negative or positive, depending on what you are
trying to achieve. You can use it to help catch a fast-moving setpoint
(positive D) or to reject transients (negative D)
Hi im not the OOP programmer .
it works thru Global
but
HOW do i THE PYTHON way
Transport a flot value given by a G-code Command (AXIS,)
From GlCanon command() as self.Varname declared
to
GLCanonDraw as self.varname
i need it only in redraw
Thanks
Lothar Germany
-
On 01/12/2012 10:05 PM, Jon Elson wrote:
> I was just perusing some of the EMC docs, and wound up on the PID
> hal component docs and source. I have never quite understood the
> behavior of
> the D term.
>
> To (over) simplify:
> error = commanded - feedback
> errorD = error - previous error
> out
Karl Cunningham wrote:
> I assume from your results there is a typo in the feedback -- it should
> have been 4.9 this cycle and 4.8 last cycle. So
>
Terribly sorry, YES, that is what I MEANT to type!
> If I'm missing the boat, please let me know.
>
Maybe I'd better refrain from doing even SI
On 1/7/2012 7:28 AM, John Thornton wrote:
> Hi Kent,
>
> Are you reading the HTML or the PDF? The HTML is easier to convey which
> file your reading and that makes it much easier to find and fix any
> errors. Thanks for proof reading them.
>
> Thanks
> John
>
Hi, John. Once again I'm in the positi
Gentle persons:
This message covers editorial issues I found reviewing the HTML files on
http://www.linuxcnc.org/docs/2.5/ concerning the (English) HAL manual.
In this email I shall call them parts. I have titled my comments on each
part according to the link title in index.html and given the l