GATE 2023 Control System Champion Quiz 13

The forward-path transfer function of a unity feedback system is

The range of K, that will make the system stable, is

A unity feedback system has open-loop transfer function G(s). Polar plot of G(jω) is shown below. The gain margin (GM) and the phase margin (PM) of the feedback system are

A unity feedback system has the open loop transfer function

The Nyquist plot of a encircle the origin

Consider a negative unity feedback system has OLTF Nyquist plot for positive frequency of the given system will be

The open loop transfer function of a unity feedback control system is given by

Find the value of ‘K’ at which the root locus diagram of the system intersects the imaginary axis.

Find the number of poles in the left half plane (LHP), the right half plane (RHP) and on the jw-axis for the feedback control system as shown. Is the system stable?

A Forward path transfer function is for the ramp error constant to be 1 the value of K_p=(x)^-1 the value x rounded off to two digits is ?_____