About PID program block issue of simulink

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LIN Hongbin
LIN Hongbin on 15 Nov 2016
Answered: LIN Hongbin on 18 Nov 2016
This is a simple step response in simulink:
The parameters of the PID :Kp=0.8 Ki=0 Kd=0.85 When I designed the PID controller:
The parameters of the PID are same as above:Kp=0.8 Ki=0 Kd=0.85 But the results will be some different:The following two charts correspond to the above two procedures。
I know because the PID block formula and the standard formula is not the same。 PID block formula:
standard formula:
I would like to know how to make the above two simulink procedures to express the same results?

Answers (1)

LIN Hongbin
LIN Hongbin on 18 Nov 2016
I have already solved it,thanks.

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