-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 7/15/2013 11:14 PM, Troy Jacobson wrote:
> I'm looking forward to using the new image, and being able to get a
> monitor and keyboard on the BBB.  But I want to get a few prints
> from the printer before making that change, so that wont happen for
> a few days.
> 
> I was having difficulty determining the PID settings for my
> extruder heater, mostly getting a lot of overshoot during the
> initial heating.  So I wrote a hal component in Python based on the
> auto tune functionality in the Marlin firmware.  It did a pretty
> good job for me.  I can send it to anyone who is interested.  It's
> my first attempt at PID tuning, so I don't know how good it is.

Send it to me and I'll add it to the image so others can use it.  Or
even better, submit a pull request against my new github repo:

https://github.com/cdsteinkuehler/MachineKit

> Also, a question regarding the pid component.  It looks to me from
> the documentation and experimentation that the maxerror parameters
> apply to the error before the gain is applied.  Is this correct?
> 
> I'll probably take a stab at implementing M109 and M190, unless
> someone else has done so already.

Brandon Heller has been doing some work with this but I don't think
he's gotten to M109/M190.  Check pull requests on the github repo and
my blog, where Brandon has started writing some posts:

http://bb-lcnc.blogspot.com/

- -- 
Charles Steinkuehler
[email protected]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (MingW32)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iEYEARECAAYFAlHlKRgACgkQLywbqEHdNFyu2wCg8v5wHCC8CXxK5Gx2ynKbeBiF
EAoAoKPeNpxf0Dg7eYFRB0oEJR8tSk9X
=kknI
-----END PGP SIGNATURE-----

------------------------------------------------------------------------------
See everything from the browser to the database with AppDynamics
Get end-to-end visibility with application monitoring from AppDynamics
Isolate bottlenecks and diagnose root cause in seconds.
Start your free trial of AppDynamics Pro today!
http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk
_______________________________________________
Emc-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/emc-users

Reply via email to