AKD User Guide | 14 Tuning Your System
ture below has an ideal value of IL.KAFF of 1.7.
14.4.6 Using Anti-Resonance Filters
The AKD has four anti resonance filters. Two filters are in the forward path and two are in the feedback path.
Similarities
l Both types are typically used to enhance stability and performance of the system.
Differences
l Forward path filters result in higher phase lag in closed loop system response.
l Forward path filters limit spectrum from reaching the motor / feedback path filters only filter the feed-
back after it has been to the motor.
1.6.1 Types of Anti Resonance Filters
Low Pass
168 Kollmorgen | December 2010
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