GATE EE
Control Systems
Controller and Compensator
Previous Years Questions

## Marks 1

The transfer function $$C(s)$$ of a compensator is given below: $$C\left( s \right) = {{\left( {1 + {s \over {0.1}}} \right)\left( {1 + {s \over {100... The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at$$\left( {2 - j3} \right).$$List ... A lead compensator used for a closed loop controller has the following transfer function$${\textstyle{{K\left( {1 + {s \over a}} \right)} \over {\lef...
The phase lead compensation is used to
A differentiator has transfer function whose
The pole $$-$$ zero configuration of a phase lead compensator is given by

## Marks 2

The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ $${G_c}\left( s \right)$$ is a lead compensato...
The transfer function of a compensator is given as $${G_c}\left( s \right) = {{s + a} \over {s + b}}$$ The phase of the above lead compensator is max...
The transfer function of two compensators are given below: $${C_1} = {{10\left( {s + 1} \right)} \over {\left( {s + 10} \right)}},\,{C_2} = {{s + 10} ... The system$$900/s(s+1)(s+9)$$is to be such that its gain crossover frequency becomes same as its uncompensated phase crossover frequency and provide...$$D\left( s \right) = {{\left( {0.5s + 1} \right)} \over {\left( {0.05s + 1} \right)}} Maximum phase lead of the compensator is
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