A unity feedback system has a loop transfer function (a) Sketch the root locus and determine K for a stable system with complex roots with Icirc para equal to l 2 (b) Determine the root sensitivity of the complex roots of part (a) (c) Determine the percent change in K (increase or decrease) so that the roots lie on the j Iuml axis 3 10s7s 18

Question: A unity feedback system has a loop transfer function (a) Sketch the root locus and determine K for a stable system with complex roots with

A unity feedback system has a loop transfer function

(a) Sketch the root locus and determine K for a stable system with complex roots with Î¶ equal to l/ˆš2.
(b) Determine the root sensitivity of the complex roots of part (a).
(c) Determine the percent change in K (increase or decrease) so that the roots lie on the jÏ‰-axis.

3 10s7s 18

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