Time Left - 06:00 mins

ESE 2021 Technical Quiz || Nyquist Stability Criteria

Attempt now to get your rank among 177 students!

Question 1

For the transfer function G(ω) = 5 + j ω, the corresponding Nyquist plot for positive frequency has the form.

Question 2

What will be the Gain Margin of the system 𝐺(𝑗𝜔)𝐻(𝑗𝜔) if the Nyquist Plot of the system encloses the critical point (-1+j0) in anticlockwise direction once and number of poles on RHS of s plane is 2?

Question 3

The Nyquist plot (for possible frequency) of an OLTF of a unity feedback system is given in the figure below. The PM & GM are respectively.

Question 4

The Nquist plot of a system passes through (-1,0) point in the GH plane. The phase margin of the system is

Question 5

The loop transfer function of the unity feedback system is

, then the gain margin of the system is

177 attempts
0 upvotes
1 comment

Tags :

ESE & GATE EE Control Systems

May 8ESE & GATE EE