Notch Filter; Outline Of Operation - Omron ACCURAX G5 User Manual

6-3 Notch Filter

Outline of Operation

You can set up to 4 notch filters for the torque command.
If the ball screw, etc. cause resonation at the specific location, you can set the resonance
frequency using a notch filter to eliminate resonance.
A notch filter is used to eliminate a specified frequency component.
0db
−3db
If machine resonance occurs, use this notch filter to eliminate resonance.
Machine resonance
Accurax G5 AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
Width fw
Cut-off frequency Fc

Notch filter

Notch filter 1
fw
Depth=Fc/fw
Frequency Hz
Characteristics
after filtering
Notch filter 2
6-3 Notch Filter
6-9
6