1
GATE ECE 2016 Set 3
MCQ (Single Correct Answer)
+2
-0.6
The first two rows in the Routh table for the characteristic equation of a certain closed-loop control system are given as GATE ECE 2016 Set 3 Control Systems - Stability Question 8 English The range of K for which the system is stable is
A
-2.0 < K < 0.5
B
0 < K < 0.5
C
0 < K < $$\infty$$
D
0.5 < K < $$\infty$$
2
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
A plant transfer function is given as $$$G\left(s\right)=\left(K_p+\frac{K_1}s\right)\left(\frac1{s\left(s+2\right)}\right)$$$ . When the plant operates in a unity feedback configuration, the condition for the stability of the closed loop system is
A
$$K_p>\frac{K_1}2>0$$
B
$$2K_1>K_p>0$$
C
$$2K_1\;<\;K_p$$
D
$$2K_1>K_p$$
3
GATE ECE 2015 Set 3
Numerical
+2
-0
The characteristic equation of an LTI system is given by
F(s) = s5 + 2s4 +3s3 + 6s2 - 4s - 8 = 0.The number of roots that lie strictly in the left half s-plane is _____.
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4
GATE ECE 2014 Set 4
Numerical
+2
-0
Consider a transfer function $$G_p\left(s\right)\;=\;\frac{ps^2+3ps\;-2}{s^2+\left(3+p\right)s\;+\left(2-p\right)}$$ with 'p' a positive real parameter. The maximum value of 'p' until which Gp remains stable is ________.
Your input ____
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