Question: Using the nichols function, obtain the Nichols chart with a grid for the following transfer functions: (a) G(s) (b) G(s) = = (c) G(s) =

Using the nichols function, obtain the Nichols chart with a grid for the following transfer functions:

(a) G(s) (b) G(s) = = (c) G(s) = 1 $ +

(a) G(s) (b) G(s) = = (c) G(s) = 1 $ + 0.2' 1 2+2s+1 6 3+682 +11s+6 Determine the approximate phase and gain mar- gins from the Nichols charts and label the charts accordingly.

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