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Ex. 840. A proportional controller, Kp, is desired for the plant 1/( (s) (s+ 8) (s+11)...

Ex. 840. A proportional controller, Kp, is desired for the plant
1/( (s) (s+ 8) (s+11) ).  Design the unity feedback system so that the
dominant poles indicate a closed loop step response with a 36% overshoot.
What is Kp, zeta, wn, wd, Ts, Tp, the velocity constant (Kv) and the resulting
SS error for a ramp input, and the gain, Kp, for marginal stability. ans:9

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