Question: Sketch the polar plot for the following loop transfer functions: (a) L(s)G(s)G(s) (b) L(s) = Ge(s)G(s) = (c) L(s) = Ge(s)G(s) (d) L(s) = Ge(s)G(s)

Sketch the polar plot for the following loop transfer functions:

(a) L(s)G(s)G(s) (b) L(s) = Ge(s)G(s) = (c) L(s) = Ge(s)G(s) (d)

(a) L(s)G(s)G(s) (b) L(s) = Ge(s)G(s) = (c) L(s) = Ge(s)G(s) (d) L(s) = Ge(s)G(s) = 1 (1+0.25s) (1 + 3s) 5(s+1.4s+1) S (s - 1) - 8 s+65 +8 20(s+8) s(s + 2) (s + 4)

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