YASKAWA SGDS Sigma III Series User Manual page 256

Operating Example
In this example, the mode switch is used to reduce the settling time. It is necessary to increase the speed loop gain to reduce
the settling time. Using the mode switch suppresses overshooting and undershooting when speed loop gain is increased.
Without mode Switching
Speed reference
Motor
speed
Long Setting Time
Increase speed loop gain
Overshoot
Motor
speed
Undershoot
Time
Motor speed
Motor
speed
8.6 Servo Gain Adjustment Functions
Without mode Switching
Setting time
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