Re: Closed-Loop Transfer Function

From: Rene Tschaggelar (none_at_none.net)
Date: 06/29/04 

Date: Tue, 29 Jun 2004 23:45:54 +0200

Gregory L. Hansen wrote:
> There's something I don't understand about the closed-loop transfer
> function. Suppose you have a system like
>
> ---- D ---- P ----
> | |
> ----- H ------
>
> where D is your controller, P the plant, H the transducer. And the
> transfer function would look something like
>
> DP / (1 + DPH)
>
> [snip]
>
> What am I missing here?
>
>

You're interested that D*P is optimized for speed, accuracy, whatever.
The whole loop has to be stable, though.

Rene 

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