GATE EE

Controller and Compensator

Control Systems

(Past Years Questions)

Marks 1

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The transfer function $$C(s)$$ of a compensator is given below: $$C\left( s \right) = {{\left( {1 + {s \over {0.1}}} \r...
GATE EE 2017 Set 2
The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at $$\l...
GATE EE 2015 Set 1
A lead compensator used for a closed loop controller has the following transfer function $${\textstyle{{K\left( {1 + {s ...
GATE EE 2003
The phase lead compensation is used to
GATE EE 1998
A differentiator has transfer function whose
GATE EE 1994
The pole $$-$$ zero configuration of a phase lead compensator is given by
GATE EE 1994

Marks 2

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The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ $${G_c}\left( s ...
GATE EE 2012
The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ The phase of the...
GATE EE 2012
The transfer function of two compensators are given below: $${C_1} = {{10\left( {s + 1} \right)} \over {\left( {s + 10} ...
GATE EE 2008
The system $$900/s(s+1)(s+9)$$ is to be such that its gain crossover frequency becomes same as its uncompensated phase c...
GATE EE 2007
$$D\left( s \right) = {{\left( {0.5s + 1} \right)} \over {\left( {0.05s + 1} \right)}}$$ Maximum phase lead of the comp...
GATE EE 2000

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