testing of system identification process?

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debashish pal
debashish pal 2015-3-14
编辑： Sebastian Castro 2015-3-15
I defined a transfer function. s + 2 --------------- s^2 + 13 s + 30 then want to give 10 input using "rand" function , e.g [1.2 2.3 4 ....] collect the output data for each 10 input . then cross check the model with ident tool. I would like to know how to give input to the TF model and collect the out put data..

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Sebastian Castro
Sebastian Castro 2015-3-15
编辑：Sebastian Castro 2015-3-15
You can use the lsim function to simulate the transfer function under some external inputs you specify.
EDIT: There is also a compare function in System Identification Toolbox if you want to compare the data with the identified system.
- Sebastian

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