17 lines
563 B
Markdown
17 lines
563 B
Markdown
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# Sensitivity
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Whenever we introduce our reference input,
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we should check the associated [Sensitivity Function](./../Formularies/CONTROL-FORMULARY.md/#sensitivity-function).
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<!-- TODO: Add graphs here-->
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As we can see, a reference put
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just after the output og $G_p(s)$
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yealds a more robust system, overall.
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# Augmented state
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Each time we need to make the system
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faster, we need an `integrator`.
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In order to being able to place it, we just
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need to augment the state. By doing that
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we introduce some ***helping***
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`state variables` and the rest is as it is.
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