5-24
5
5. Manual Gain Tuning (Application)
Adjustment
Damping Control
Outline
This function reduces the vibration at the top or on whole of the equipment by removing
the vibration frequency components specified by the positional command. Up to 2 among
4 frequency settings can be used at the same time.
Applicable Range
This function can only be applicable when the following conditions are satisfied.
Conditions under which the damping control is activated
Control mode
• Control mode to be either or both position control or/and full-closed
control.
Pr02 = 0 : Position control
Pr02 = 3 : 1st control mode of position and velocity control
Pr02 = 4 : 1st control mode of position control and torque control
Pr02 = 6 : Full-closed control
Caution
This function does not work properly or no effect is obtained under the following condi
-
tions.
Conditions which obstruct the damping control effect
Load
• Vibration is triggered by other factors than command (such as
disturbance).
• Ratio of resonance frequency and anti-resonance frequency is large.
• Vibration frequency is out of the range of 10.0-200.0 [Hz].
Servo driver
Motor position
Motor
Coupling
Ball
screw
Work
travel
Driver
PLC
Setup of front edge vibration
frequency
Motor
Encoder
Load
Position
command
Damping
filter
Position/Velocity
control
Torque
command
Current
control
Machine
base
Front edge vibrates.
Vibration
measurement
with
displacement
sensor
Motor
current
Related page
• P.4-4 “Details of parameter” • P.7-26 “Outline of Setup support software “PANATERM”
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