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how to run simulations of MIMO models having direct feedthrough, using the control and simulation loop?

say i have the MIMO model of a system in transfer function as

 

4s + 4       0

10s+1

                                =   G(s)

0             3s + 3

               10s+1

 

this model has direct feedthrough. how do i run simulations of to say, a 2 step inputs?

 

I don't get any output signals. please, see attached VI file.

 

thank you.

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Hi tomcruize79

 

Thanks for using the forums!  Sorry for the delay in getting back to you - how have you been getting on with this?

 

One thing to note is that you can use the Signal Generator VI to generate a function as an input.  Try this with your model and let me know how you get on.


Regards,

Peter D

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problem solved... i got directly intouch wth a support engineer. solution was a patch to correct a glitch in LabVIEW 2010 Control Design toolkit.

 

thanks!

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