Configuration; In This Chapter You Can Read About: Control Path - Parker Compax3 Operating Instructions Manual

Setting up Compax3
U
T=L/R
-
U: Control voltage
U : electromagnetically generated voltage in the motor
EMK
T: electric time constant of the motor winding
L: Winding Inductance
R: Winding Resistance
M : Drive torque of the motor
A
M : Load torque
L
M : Acceleration torque
B
I: Actual current r.m.s. (torque-producing)
K : Torque constant
T
J : Motor mass moment of inertia
mot
J : external mass moment of inertia
ext
J : Total mass moment of inertia
total
a: Acceleration
n: Velocity
176
4.4.3.2

Configuration

In this chapter you can read about:
Control path ................................................................................................................... 176
Motor parameters relevant for the control ...................................................................... 177
Mass inertia ................................................................................................................... 177
Nominal point data ........................................................................................................ 177
Saturation values ........................................................................................................... 179
Quality of different feedback systems ............................................................................ 179
Typical problems of a non optimized control .................................................................. 180
Feedback error compensation ....................................................................................... 181
Commutation settings .................................................................................................... 182
I²t - monitoring of the motor ........................................................................................... 182
Relevant application parameters ................................................................................... 185
Asynchronous motors .................................................................................................... 189
Control path
For the motors, the knowledge of the mathematical model is a prerequisite.
Mathematically idealized model of the control path:
motor
I
1 R /
U
K
EMK
192-120113 N08 C3I12T11 - December 2010
M
L
M -
A M
1
B
K
π
T
2
J
π 2
T
application
a
J
ges
J
Mot Ext
C3I12T11
n