: [Emc-users] torque-velocity questions
We are investigating using my favorite cnc controller for an application
which will require as much stiffness as we can arrange; websearching
suggests that torque mode rather than velocity mode is preferrred in
such applications. We are using a Pico PPMC
1 - is there some inherent incompatibility between Linux CNC and torque
mode servos?
2- is there some deeply buried config parameter that needs to be changed?
3- can somebody point us to a strategy specifically oriented to tuning
torque mode servos?
4- any other ideas?
Here are some
lloyd wilson wrote:
We are investigating using my favorite cnc controller for an application
which will require as much stiffness as we can arrange; websearching
suggests that torque mode rather than velocity mode is preferrred in
such applications. We are using a Pico PPMC interface set to
Peter C. Wallace wrote:
No, but a torque mode PID loop is also responsible for velocity control. This
is handled by a separate high speed loop in your drive when your drive is in
velocity mode. A Torque mode PID loop often needs to to run at a higher
sample
rate than a PID loop
We are investigating using my favorite cnc controller for an application
which will require as much stiffness as we can arrange; websearching
suggests that torque mode rather than velocity mode is preferrred in
such applications. We are using a Pico PPMC interface set to mediate
between the
You might be making this more difficult than need be.
If you tell the drive to go to a position via a path and while executing
that path you have very little following error, then how could that be
improved upon?
The stiffness of your drive system will be more related to the size of
your
On Thu, 5 Apr 2012, lloyd wilson wrote:
Date: Thu, 05 Apr 2012 20:32:27 -0400
From: lloyd wilson llwilso...@rochester.rr.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Emc mail list emc-users@lists.sourceforge.net
Subject: [Emc-users] torque-velocity
