Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 517

Dual feedback filter equivalent block diagram
A dual feedback filter equivalent block diagram on the dual feedback control is shown below.
+
Position
control unit
-
+
High-pass
filter
+
Low-pass
filter
*1
Fully closed
loop control
*1 "ω" (a dual feedback filter band) is set by [Pr. PE08].
Servo motor
Linear encoder
Semi closed
Servo motor during a stop
loop control
(0 to )
In operation ( or more)
Frequency [rad/s]
Dual feedback filter
Operation status Control status
Fully closed loop
control
Semi closed loop
control
16 FULLY CLOSED LOOP SYSTEM
16.1 Functions and configuration
16
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