How to express ZOH transfer function in Matlab?

18 次查看（过去 30 天）

Siyu He 2013-8-16

I am tring to express ZOH transfer funcation in S domain and bode plot it. The transfer functino is shown below:

(1-exp(-s*Ts))/s

The question is how to express it, is there any function related to it?

Thanks.

Azzi Abdelmalek 2013-8-16

Which image?

Siyu He 2013-8-16

I don't know how to upload image and the tf is shown by symbolic expression now.

Arkadiy Turevskiy 2013-8-20

s=tf('s');
Ts=0.1 %replace with desired value
sys=(1-exp(-s*Ts))/s
bode(sys)

Arkadiy Turevskiy 2013-8-21

In 10b:

s=tf('s');
Ts=0.1
sys1=exp(-Ts*s)/s
sys2=1/s
sys=ss(sys2)-ss(sys1);
bode(sys)

Siyu He 2013-8-23

Thanks for your help, it works.

MATLAB Language Fundamentals Entering Commands

在 Help Center 和 File Exchange 中查找有关 Entering Commands 的更多信息

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by