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The I controller also works satisfactorily, the setpoint is reached with this setting.
Closed-loop control parameters: P=100,000, I=5,000, D=400, Measurements: blue=setpoint,
red=actual value
Fig. 12:
Test scenario with the control parameters P=100,000, I=5,000, D=400
The D controller causes the actual value to approach the setpoint more quickly.
Closed-loop control parameters: P=100,000, I=10,000, D=400, Measurements: blue=set-
point, red=actual value
Fig. 13:
Test scenario with the control parameters P=100,000, I=10,000, D=400
In this example, the period of the setpoint signal was selected with approx. 10 ms for illustrative
purposes. For fast control, the P value should be increased and the sampling time reduced to 5
ms. Settling times < 50 ms can be achieved.