engineering recuitment GATE ECE 2023-24 Test Series Control Systems Frequency Response Analysis Nyquist Plot
The pole zero plot and the Nyquist plot of the open loop transfer function of a unity feedback system are shown below. Then
1
Both open loop and closed loop are stable
2
Both open loop and closed loop are unstable
3
Open loop is stable and closed loop system is unstable
4
Open loop system is unstable and closed loop system is stable