1
GATE ECE 2015 Set 2
Numerical
+1
-0
A unity negative feedback system has an open–loop transfer function $$G\left(s\right)=\frac K{s\left(s+1\right)}$$.The gain K for the system to have a damping ratio of 0.25 is _____________.
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2
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
For the second order closed-loop system shown in the figure, the natural frequency (in rad/s) is GATE ECE 2014 Set 4 Control Systems - Time Response Analysis Question 47 English
A
16
B
4
C
2
D
1
3
GATE ECE 2014 Set 3
Numerical
+1
-0
The input $$-3\mathrm e^{2\mathrm t}\;\mathrm u\left(\mathrm t\right)$$, where u(t) is the unit step function, is applied to a system with transfer function $$\frac{s-2}{s+3}$$. If the initial value of the output is -2, then the value of the output at steady state is __________.
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4
GATE ECE 2014 Set 2
Numerical
+1
-0
The natural frequency of an undamped second-order system is 40 rad/s. If the system is damped with a damping ratio 0.3, the damped natural frequency in rad/s is ________.
Your input ____
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