48
Chapter
Chapter
Chapter
Chapter4
4
4
4.
.
.
. Inverter Operation
Inverter Operation
Inverter Operation
Inverter Operation
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MAN
N5000 INSTRUCTION MANUAL
UAL
UAL
UAL
☞
PID operation
1)
P (Proportional) operation: controlling amount is proportional to the objective
value.
Target
Control
Small
Big
Small
Big
P Gain
P Gain
2)
I (Integral) operation: controlling amount increases linearly as the time
increases.
Target
Control
Small
Big
I Gain
I Gain
Small
Big
3)
D (Derivative) operation: increase of controlling amount is proportional to the
changing ratio of objective value.
Target
Control
Small
Big
D Gain
Small
Big
D Gain