GATE EE 2021 : Control System Quiz 6

The open loop transfer function

Which of the following statements are true with respect to the Nyquist plot?

A Bode magnitude plot for a minimum phase system is given below.

The open loop transfer function of the system will be _________.

Consider an asymptotic Bode plot of a minimum phase linear system as shown in the figure below. The transfer function for the above system will be

The system having the characteristics equation given as s³ + (K + 0.5)s² +4Ks + 50 = 0. Find the frequency of oscillation.

Consider the block diagram shown below,

Consider a unity feedback control system with an open loop transfer function of . Find the value of ‘K’ for which all three roots are equal.