1
GATE ECE 2014 Set 3
Numerical
+2
-0
The steady state error of the system shown in the figure for a unit step input is _______.
2
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
For the following feedback system $$G\left(s\right)=\frac1{\left(s+1\right)\left(s+2\right)}$$.The 2% settling time of the step response is required to be less than 2 seconds. Which one of the following compensators C(s) achieves this?
A
$$3\left(\frac1{s+5}\right)$$
B
$$5\left(\frac{0.03}s+1\right)$$
C
2(s+4)
D
$$4\left(\frac{s+8}{s+3}\right)$$
3
GATE ECE 2013
MCQ (Single Correct Answer)
+2
-0.6
The open-loop transfer function of a dc motor is given as $$\;\frac{\omega\left(s\right)}{V_a\left(s\right)}=\frac{10}{1+10s}$$, when connected in feedback as shown below, the approximate value of Ka that will reduce the time constant of the closed-loop system by one hundred times as compared to that of the open-loop system is
A
1
B
5
C
10
D
100
4
GATE ECE 2009
MCQ (Single Correct Answer)
+2
-0.6
The unit step response of an under-damped second order system has steady state value of -2. Which one of the following transfer function has these properties?
A
$$\frac{-2.24}{s^2\;+\;2.59s\;+\;1.12}$$
B
$$\frac{-3.82}{s^2\;+\;1.91s\;+\;1.91}$$
C
$$\frac{-2.24}{s^2\;-\;2.59s\;+\;1.12}$$
D
$$\frac{-3.82}{s^2\;-\;1.91s\;+\;1.91}$$
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