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D-72
Parameter Reference
Filter On Torque Dmd
Parameters::Motor Control::Filter On Torque Dmd
This feature allows to select the type of filter applied to the Torque setpoint:
-
Either the output of the speed loop PI corrector if the speed loop is active
-
Or the torque Setpoint .
Torque Setpoint
Speed Demand
PI Controller
Speed Feedback
The general structure of the filter is given below :
X(n)
-b1
-b2
+
−
+
−
1
2
a
a
.
z
a
.
z
=
0
1
2
H
(
z
)
or
+
−
+
−
1
2
1
b
.
z
b
.
z
1
2
Speed or
Torque Control
Filter On
Torque
Dmd
Y(n)
a0
-1
Z
a1
-1
Z
a2
����
=
����
⋅
+
⋅
+
⋅
a
x
a
x
a
x
−
−
0
n
1
n
1
2
n
2
Torque Limits
Torque Demand
−
⋅
−
⋅
b
y
b
y
−
−
1
n
1
1
n
2
AC30 series Variable Speed Drive
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