Figure 3-3. dual loop feedback, Figure 3-4. dual loop feedback algorithm – National Instruments NI-Motion User Manual
Page 36
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Chapter 3
Tuning Servo Systems
3-8
ni.com
Figure 3-3. Dual Loop Feedback
Tip
You can enable dual-loop feedback on the NI motion controller by mapping an
encoder as the secondary feedback for the axis, and then using the velocity feedback gain
instead of the derivative gain to dampen and stabilize the system, as shown in Figure 3-4.
Figure 3-4. Dual Loop Feedback Algorithm
Σ
Σ
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