Problem with running simulink block diagram in discrete mode

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I tried to run a Simulink block diagram which consists three difference blocks ... but it's not working properly ... I tried to diagnose the problem by monitoring the signal values. I found that the output value for the difference blocks is not used. I don't know what is this and what's the problem ... please help me
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Pouya Jamali
Pouya Jamali on 31 Oct 2012
Ow, I think the problem is misunderstood ... I should explain it more efficient! using show port values I've monitored all the signals in my block diagram. all the signals are working properly just before passing through difference block. The output of the difference block is not used all the time during simulation. and I think it cause the final output to be zero which must be not.

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Answers (1)

Sachin Ganjare
Sachin Ganjare on 31 Oct 2012
Check your output min & max values in block configuration.
  1 Comment
Pouya Jamali
Pouya Jamali on 31 Oct 2012
I haven't specified min and max for the output... every thing is by default.

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