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Today we're finally getting the motion of the X axis on the surface grinder smoothed out. The springiness of the mechanism has been wreaking havoc with the Clearpath servo control algorithm, but it turns out they make an enhanced version of the motor with a feature called Regressive Auto Spline smoothing that makes a world of difference.

Teknic's Regressive Auto Spline video:    • ClearPath's RAS: Smoother Motion Cont...  

Tools used in this video:
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Raw Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/b...

00:00 Intro
00:49 Motors and Switches and Electronics
02:13 Simple Firmware to Test
04:44 Testing Speeds and Accelerations
08:44 What is going wrong?
10:38 Regressive Auto Spline Motion Smoothing
17:47 We can go much faster with RAS
25:00 Conclusions