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Control Loop Feedback Diagram

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I have completed the block diagram for the attached question, however I am having problems deriving an expression for the transfer function, in terms of parameters k1, k2, k0 and kt.

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Solution Summary

From a control loop feedback diagram the transfer function is derived for the control system

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So from your block diagram you have shown the output as

To = ko*I. (1)

But

I = e*k1. (2)

Substitute (2) in (1) to obtain

To = e*ko*k1. (3)

But you also show that the error e is given by e = VD - VM. ...

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