1
GATE ECE 2015 Set 3
Numerical
+2
-0
The position control of a DC servo-motor is given in the figure. The values of the parameters are
Kt=1 N-m/A, Ra=$$1\Omega ,$$ La=0.1H,
The steady-state position response (in radians) due to unit impulse disturbance torque Td is ____.
2
GATE ECE 2015 Set 1
Numerical
+2
-0
A lead compensator network includes a parallel combination of 'R' and 'C' in the feed-forward path. If the transfer function of the compensator is $${G_C}(s) = {{s + 2} \over {s + 4}}.$$ The value of RC is ____
3
GATE ECE 2012
+2
-0.6
The transfer function of a compensator is given as $${G_C}(s) = {{s + a} \over {s + b}}.$$

The phase of the above lead compensator is maximum at

A
$$\sqrt 2$$ rad/sec
B
$$\sqrt 3$$ rad/sec
C
$$\sqrt 6$$ rad/sec
D
$$1/\sqrt 3$$ rad/sec
4
GATE ECE 2012
+2
-0.6
The transfer function of a compensator is given as $${G_C}(s) = {{s + a} \over {s + b}}.$$

$${G_C}(s)$$ is a lead compensator if

A
a = 1, b =2
B
a = 3, b = 2
C
a = -3, b = -1
D
a = 3, b = 1
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