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Topic: simulink: get a transfer function after a derivative block
Replies: 2   Last Post: Mar 4, 2013 2:00 PM

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pietro

Posts: 374
Registered: 1/3/09
simulink: get a transfer function after a derivative block
Posted: Mar 2, 2013 8:07 AM
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Hi all,

I have a simulink model with a derivate block in it. I need to get the transfer function of that model, therefore I set the input and output point and linearized the model to get it. Unfortunately the transfer function is zero due to the derivative block. Why? Look at the following example:

http://img221.imageshack.us/img221/5189/immagineha.png

Also at this example the transfer function is zero. Shouldn't be s/s+1?

Any suggestion is appreciated.

Thanks

Cheers

Pietro



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