A unity feedback system has a loop transfer function (a) Draw the root locus as z varies
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(a) Draw the root locus as z varies from 0 to 100.
(b) Using the root locus, estimate the percent overshoot and settling time (with a 2% criterion) of the system at z = 0.6, 2, and 4 for a step input.
(c) Determine the actual overshoot and settling time at z = 0.6, 2, and 4.
Transcribed Image Text:
4(s + z) s(s + 1)(s + 3) L(s) = G(s)G(s) !!
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a The characteristic equation is ss 1s 3 4s 4z 0 Rewriting with z as ...View the full answer
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