Mitsubishi Electric MELSERVO-J5 User Manual page 450

Dual feedback filter equivalent block diagram
The following shows a dual feedback filter equivalent block diagram for dual feedback control.
+
Position
control unit
-
+
High-pass
filter
+
Low-pass
filter
Fully closed loop
control
*1 Set "ω" (dual feedback filter band) with [Pr. PE08 Fully closed loop dual feedback filter].
12 USING A FULLY CLOSED LOOP SYSTEM
448
12.2 Functions and configuration
Servo motor
Linear encoder
*1
ω
Semi closed loop
control
Frequency [rad/s]
Dual feedback filter
Operation status
At servo motor stop (1 to ω) Fully closed loop control
During operation (ω or higher) Semi closed loop control
Control status