Comments on: X-axis test http://www.anderswallin.net/2008/04/x-axis-test/ Sat, 06 Sep 2008 03:47:51 +0000 http://wordpress.org/?v=2.5.1 By: Tero http://www.anderswallin.net/2008/04/x-axis-test/#comment-37844 Tero Tue, 22 Apr 2008 08:06:49 +0000 http://www.anderswallin.net/?p=266#comment-37844 The inverse deadband does it wrong. Dead band does not occur at DAC zero but at motor current zero crossing. So you would need at least current direction sensor to make it work properly. Maybe this is the reason for asymmetry. The inverse deadband does it wrong. Dead band does not occur at DAC zero but at motor current zero crossing. So you would need at least current direction sensor to make it work properly.

Maybe this is the reason for asymmetry.

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