How c2d() convert a s-function to discreted z-function(with the "zoh" set)?

Hello, its very grateful for someone answer this question.

Problem discription:

   Ｉknow how to use c2d() to transfer a s-function to z-function, however, I don't know how did it worked.
such as: if I set c2d(sys, ts, "zoh"), how does c2d works to transfer?

Thank you!

Answer 1

[Sebastian Castro]

"ZOH" stands for zero-order hold. Discretization occurs by assuming that there is a constant input held for the duration of the sample time (let's call it T).

I'm sure you can find more detailed information about the zero-order hold method on the Internet. For example:

http://www.uta.edu/utari/acs/Lectures/discretization.pdf

- Sebastian

[liheng liu]

Thank you very much， Sebastian.

Best wishes!