Re: [Emc-developers] Coordinated Gantry Homing by Linked Joints

2010-04-21 Thread dave
On Tue, 2010-04-20 at 08:14 -0700, Peter C. Wallace wrote: On Tue, 20 Apr 2010, Alexey Starikovskiy wrote: Date: Tue, 20 Apr 2010 13:46:41 +0400 From: Alexey Starikovskiy aysta...@gmail.com Reply-To: EMC developers emc-developers@lists.sourceforge.net To:

[Emc-developers] Output linearization / Feedfoward for BLDC linear motor

2010-04-21 Thread Neil Baylis
I'm building up an X axis for a laser machine, using a linear motor. Currently, I'm driving the motor with a Pico 3 phase PWM servo amp. I've been successfully testing it open loop, and am now in the process of getting it hooked up to EMC to close the loop. During the open loop testing, I noticed

[Emc-developers] Output linearization / Feedfoward for BLDC linear motor

2010-04-21 Thread Neil Baylis
(Sorry for repost: forgot to add [Emc-developers] in subject.) I'm building up an X axis for a laser machine, using a linear motor. Currently, I'm driving the motor with a Pico 3 phase PWM servo amp. I've been successfully testing it open loop, and am now in the process of getting it hooked up to

Re: [Emc-developers] Coordinated Gantry Homing by Linked Joints

2010-04-21 Thread John Kasunich
On Wed, 21 Apr 2010 11:27 -0700, dave dengv...@charter.net wrote: Taking this a half-step further ... a. hold position on master side of gantry b. while monitoring a strain gage on the cross member minimize strain. c. sync sides d. home using master side. Not