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BARC 2018 ECE: Control Systems Nuclear Quiz 3

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Question 1

    

What is the effect on the natural frequency (ωn) and damping factor (δn) in the control systems when derivative compensation is used?

Question 2

For state transition coefficient matrix
The state matrix ‘A’ can be

Question 3

Nyquist plot of a system is shown in the below figure. The nature of closed loop system if there is no open loop poles lie in the right half of s-plane.

Question 4

The feedback control system has the following characteristic equation:

How many asymptotes are there in the root locus of the given system?

Question 5

The magnitude Bode plot of a network is shown in the figure


The maximum phase angle Φm and the corresponding gain Gm respectively, are
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Mar 3ESE & GATE EC