Wow,
I have seen the light: servos are now working as expected.
Sebastian Kuzminsky wrote:
> The hm2-servo configs set both of them to 1.0, and that's probably a
> reasonable value.
"Reasonable value" ... Big grin ...
> MAX_OUTPUT is the biggest value that the pid
> component can specify for
2009/10/14 Peter Cauchy :
>
> I have picked up a pair of slo-syn ss2000-md7 drivers, and following the
> docs, hooked them up. The only problem I am having is they will not
> change direction.
Are you saying that the step input works, but not the direction?
That does seem odd if they are wired si
On Wednesday 14 October 2009, cogoman wrote:
>|Another option I have considered, is to use Hall sensors which would
>|work okay without an enclosure, but I seem to recall that Hall sensors
>|are not very fast, though engine crankshaft sensors seem to work well
>|enough.
>
>Here is a new encoder opt
2009/10/14 Gene Heskett
> <...>
> While that item is neat, its rev limit of 240 rpm because of the ABS
> bearing
> and a .125" shaft would seem to relegate it to the hobbiest rc model
> controller market. It also needs programming at least once, or perhaps at
> power up each time. So while nice
I'll be swapping out computers on my plasma torch this weekend and getting the
bugs out of
the THC component and swapping over to the 5i20 to drive my geckos as well.
I've don't
about all the testing one could do down here in the cave... Time for sparks.
John
On 13 Oct 2009 at 17:45, Peter C
Rob Jansen wrote:
> But ... after reading your previous mail and re-thinking about the
> FERROR and MIN_FERROR I have seen the light.
> The 0.025 mm/rev system had 0.12 mm/count on the encoder but with
> 2.5 mm/rev this now is 0.0012 mm/count. But a MIN_FERROR of 0.001 is
> then of course s
Rob Jansen wrote:
>[snip]
>After changing the units from inch to mm I had this 0.025mm/rev system
>but it needed to be 2.5 mm/rev.
>Changing INPUT_SCALE from 81920 to 819.2 made the encoders report the
>correct travel, changing OUTPUT_SCALE from 1 to 100 made the same
>scaling on the motor cont
Stephen Wille Padnos wrote:
> Actually, it's not the encoder resolution that changed this, it's
> changing from inch to mm. FERROR is in user units, so you should scale
> the error limits by 25.4, not 100. Of course, 100 will work great, but
> probably isn't what you want :)
>
> - Steve
YES -
Peter Cauchy wrote:
> I have picked up a pair of slo-syn ss2000-md7 drivers, and following the
> docs, hooked them up. The only problem I am having is they will not
> change direction. I have gotten a 7406 IC as noted in the docs, and
> this did not fix the problem, as well as changing one pai
Just in case someone might need one.
http://cgi.ebay.com/WESTINGHOUSE-ULTIMATE-PUMA-700-ROBOT-0_W0QQitemZ370229778303
--
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA
2009/10/15 Kirk Wallace
> Just in case someone might need one.
>
>
> http://cgi.ebay.com/WESTINGHOUSE-ULTIMATE-PUMA-700-ROBOT-0_W0QQitemZ370229778303
>
>
Need and want are two different things. ;)
Now when we talk robots, I asked Alex Joni about the kinematics for
controlling a robot like a XYZ-
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