engineering recuitment GATE EE 2023-24 Test Series Control Systems Frequency Response Analysis Nyquist Plot
The open-loop transfer function of a closed-loop system is given below.
\(G\left( s \right)H\left( s \right) = \frac{K}{{{s^3}\left( {sT + 1} \right)}}\)
The encirclements of the critical point (-1 + j0) by Nyquist plot is/are1
one time in the counter-clockwise direction
2
two times in the clockwise direction
3
one time in the clockwise direction
4
Both 1 and 3