A unity feedback system has the loop transfer function (a) Find the breakaway point on the real axis and the gain for this point (b) Find the gain to provide two complex roots nearest the j Iuml axis with a damping ratio of 0 707 (c) Are the two roots of part (b) dominant (d) Determine the settling time (with a 2 criterion) of the system when the gain of part (b) is used s 3)s 4 784)

Question: A unity feedback system has the loop transfer function (a) Find the breakaway point on the real axis and the gain for this point. (b)

A unity feedback system has the loop transfer function

(a) Find the breakaway point on the real axis and the gain for this point.
(b) Find the gain to provide two complex roots nearest the jÏ‰-axis with a damping ratio of 0.707.
(c) Are the two roots of part (b) dominant?
(d) Determine the settling time (with a 2% criterion) of the system when the gain of part (b) is used.

s 3)s 4 784)

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a The characteristic equation is The root locus is shown in Figure P713 ... View full answer

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