How to get from continuous time to discrete?

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Stanoi Oana 2013년 4월 25일

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Direct link to this question

https://kr.mathworks.com/matlabcentral/answers/73568-how-to-get-from-continuous-time-to-discrete

I have a dynamic model implemented in simulink, and I have to discretize it and compare the results. Am I allowed to replace the integrating blocks (1/s) with discrete blocks (1/z) ? Do you have any other suggestions?

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Ryan G 2013년 4월 25일

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https://kr.mathworks.com/matlabcentral/answers/73568-how-to-get-from-continuous-time-to-discrete#answer_83514

1/z and 1/s are NOT equivalent. 1/s is an integration while 1/z is a delay, totally different. You can use the model discretizer to get started, but it sounds like you should read a bit more about digital control first.