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How to use the correct process transfer function?

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Matthew Stephenson
Matthew Stephenson 2015-1-29
回答： Arkadiy Turevskiy 2015-1-30
Hi,
I am trying to simulate different PID control methods in Simulink using a step input, the PID block, a transfer function and a graph to display the results.
For the process I think the transfer function needs to be 1/1+ts for the real world application of a heater.
How do I apply the transfer function to the application to get an accurate result? Or can I use the standard form 1/1+ts?
Any help will be much appreciated.

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Arkadiy Turevskiy
Arkadiy Turevskiy 2015-1-30
You can use the transfer function block . In the block dialog you can specify numerator as 1 and denominator as [t 1].

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