A process is described by the transfer function Find the range of controller settings that yield stable closed loop systems for (a) A proportional only controller (b) A proportional integral controller ( Iuml I 0 1, 1 0, 10 0) (c) What can you say about the effect of adding larger amounts of the integral action on the stability of the controlled system that is, does it tend to stabilize or destabilize the system relative to proportional only control G(s) (5s 1)(s 1)

Question: A process is described by the transfer function Find the range of controller settings that yield stable closed-loop systems for: (a) A proportional-only controller. (b)

A process is described by the transfer function

G(s) (5s + 1)(s + 1)

Find the range of controller settings that yield stable closed-loop systems for:
(a) A proportional-only controller.
(b) A proportional-integral controller (Ï„_I =0.1, 1.0, 10.0).
(c) What can you say about the effect of adding larger amounts of the integral action on the stability of the controlled system; that is, does it tend to stabilize or destabilize the system relative to proportional only control?

G(s) (5s + 1)(s + 1)

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