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discrete transfer function block replace of contioues transfer function block

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Guomeng Sun
Guomeng Sun on 27 Sep 2021
Commented: Guomeng Sun on 29 Sep 2021
hello friends,
i want to use a discrete transfer function block replace of contioues transfer function. After simulink, it did not work. can someone give me some advice. thanks.
contioues transfer function block:
discrete transfer function block:

Answers (1)

Ivo Houtzager
Ivo Houtzager on 28 Sep 2021
You can't use the same parameters of the continuous-time filter in the discrete-time filter. You will have to discretize the filter transfer function using zero-order-hold or Tustin method. You can use the c2d matlab function to perform this discretization.

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