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Q#1 Control System Design GATE EE 2023 MCQ +2 marks -0.66 marks

Consider a lead compensator of the form

The frequency at which this compensator produces maximum phase lead is . At this frequency, the gain amplification provided by the controller, assuming asymptotic Bode-magnitude plot of , is . The values of , respectively, are

1,16

2,4

3,5

Explanation:

Frequency of maximum phase shift

Corner frequencies = α, αβ

At frequency of maximum phase shift,

Asymptotic approximation of K(s) is,

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