GATE 2025 Control Systems Foundation Quiz 15

A unity feedback system with closed loop transfer function,  have the gain margin of the value be

OLTF of a unity feedback system is

The system with open loop transfer function

The frequency response of a linear system G(jω) is provided in the tabular form below

The gain margin and phase margin of the system are

The open loop transfer function of a unity feedback system is

Find the value of ‘K’ for which the phase margin of the system is 40°.

The open loop transfer function of a feedback control system is,

.

Find the gain margin in (dB) _____.