>>> option 3) differentiate the output from above with ddt and feed it to >>> the needle "spindle" as a velocity command. might be slightly less >>> accurate than 2 but you won't need to do silly hacks to prevent >>> counter overflow. > > 3A) differentiate the X and Y positions _before_ the hypot, then send > the X and Y velocities to the hypot. The hypot is the vector velocity, > which is the required spindle velocity (scaled as needed). > > Other than that, I agree that 3 is the way to go.
I just noticed that there's a HAL parameter that does this already: motion.current-vel maybe it should be a pin instead ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
