1
GATE ECE 2002
Subjective
+5
-0
The Nyquist plot of an all-pole second order open-loop system is shown in Figure. Obtain the transfer function of the system. GATE ECE 2002 Control Systems - Frequency Response Analysis Question 7 English
2
GATE ECE 1999
Subjective
+5
-0
The asymptotic bode plot of the minimum phase open-loop transfer function G(s)H(s) is as shown in the figure. Obtain the transfer function G(s)H(s) GATE ECE 1999 Control Systems - Frequency Response Analysis Question 9 English
3
GATE ECE 1999
Subjective
+5
-0
Consider a feedback system with the open loop transfer function given by $$G(s)H(s) = {K \over {s\left( {2s + 1} \right)}}.$$ Examine the stability of the closed-loop system using Nyquist stability.
4
GATE ECE 1998
Subjective
+5
-0
The loop transfer function of a single loop control system is given by $$G(s)H(s) = {{100} \over {s\left( {1 + 0.01s} \right)}}{e^{ - ST}}$$ Using Nyquist criterion, find the condition for the closed loop system to be stable.
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