Special Adjustment Functions; Function Block Diagram; Machine Resonance Suppression Filter - Mitsubishi Electric EZMOTION MR-E Super MR-E-10A-QW003 Instruction Manual

8. SPECIAL ADJUSTMENT FUNCTIONS

8. SPECIAL ADJUSTMENT FUNCTIONS
If a mechanical system has a natural resonance level point, increasing the servo system response may cause
the mechanical system to produce resonance (vibration or unusual noise) at that resonance frequency.
Using the machine resonance suppression filter and adaptive vibration suppression control functions can
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suppress the resonance of the mechanical system.

8.1 Function block diagram

Speed
control
Machine resonance
suppression filter 1
Adaptive vibration
suppression control

8.2 Machine resonance suppression filter

(1) Function
The machine resonance suppression filter is a filter function (notch filter) which decreases the gain of the
specific frequency to suppress the resonance of the mechanical system. You can set the gain decreasing
frequency (notch frequency) and gain decreasing depth.
POINT
The functions given in this chapter need not be used generally. Use them if you
are not satisfied with the machine status after making adjustment in the
methods in chapter 7.
Parameter
Parameter
No.60
No.58
00
0
except
00
1 or 2
Mechanical
system
response
level
Notch
depth
Parameter
No.59
00
Low-pass
Machine resonance
suppression filter 2
except
00
Machine resonance point
Frequency
Frequency
Notch frequency
8 - 1
Current
Parameter
command
No.60
0
filter
Encoder
1
Servo
motor