
B-65270EN/05 4.SERVO FUNCTION DETAILS
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4.5.3 Disturbance Elimination Filter Function (Low-Frequency
Resonance Elimination Filter)
(1) Overview
The disturbance elimination filter function estimates a disturbance by
comparing a specified torque with the actual velocity, and feeds
forward the estimation to the specified torque to suppress the effect of
the disturbance. In particular, this function is useful for a vibration of
50 Hz to 100 Hz.
Gain
Specified
torque
Tcm d
Gain
Kd
Filter
1/Jm
s
s
-
+
+
+
+
+
Filter
Inverse function
gain
Jmo
Disturbance
Motor
Velocity fb
Estimated
disturbance
Disturbance elimination filter
Limiter
La
Fig. 4.5.3 Configuration of disturbance elimination filter
(2) Series and editions of applicable servo software
(Series 30i,31i,32i)
Series 90D0/A(01) and subsequent editions
Series 90E0/A(01) and subsequent editions
(Series 15i-B,16i-B,18i-B,21i-B,0i-B,0i Mate-B, Power Mate i)
Series 90B0/A(01) and subsequent editions
Series 90B1/A(01) and subsequent editions
Series 90B6/A(01) and subsequent editions
(Series 0i-C,0i Mate-C,20i-B)
Series 90B5/A(01) and subsequent editions
(3) Setting parameters
#7 #6 #5 #4 #3 #2 #1 #0
2611 (FS15i)
DISOBS
2223 (FS30i, 16i)
DISOBS (#0) The disturbance elimination filter function is:
0: Disabled.
1: Enabled.