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seropon [69]
3 years ago
11

Write down a transfer function of a stable system for which pure proportional feedback could drive the system unstable.

Engineering
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

Gs = 1 / (s + 1)^3

Explanation:

A system is known to be a stable system if the poles of the system lie on the negative real axis of the s plane.

A system that could be driven unstable by a P-controller would be:

Gs = 1 / (s + 1)^3

As the value of K increases, the closed loop poles move into the right half s plane

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