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GATE EE
Time Response Analysis
Control Systems
Previous Years Questions
START HERE
Marks 1
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When a unit ramp input is applied to the unity feedback system having closed loop transfer function $${{C\left( s \right...
GATE EE 2017 Set 2
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The closed-loop transfer function of a system is $$T\left( s \right) = {4 \over {\left( {{s^2} + 0.4s + 4} \right)}}.$$ ...
GATE EE 2014 Set 2
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The steady state error of a unity feedback linear system for a unit step input is $$0.1.$$ The steady state error of the...
GATE EE 2011
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For the system $${2 \over {\left( {s + 1} \right)}},$$ the approximate time taken for a step response to reach $$98$$% o...
GATE EE 2010
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A function $$y(t)$$ satisfies the following differential equation : $${{dy\left( t \right)} \over {dt}} + y\left( t \rig...
GATE EE 2008
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Consider the function $$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$ Where $$F(s)$$ is the Laplace...
GATE EE 2004
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Consider the function $$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$ Where $$F(s)$$ is the Laplace...
GATE EE 2004
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Consider the function $$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$ Where $$F(s)$$ is the Laplace...
GATE EE 2004
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A control system is defined by the following mathematical relationship $$${{{d^2}x} \over {d{t^2}}} + 6{{dx} \over {dt}...
GATE EE 2003
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A unity feedback system has open loop transfer function $$G(s).$$ The steady-state error is zero for
GATE EE 2000
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The output of a linear time invariant control system is $$c(t)$$ for a certain input $$r(t).$$ If $$r(t)$$ is modified b...
GATE EE 1998
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Introduction of integral action in the forward path of a unity feedback system result in a
GATE EE 1997
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For a feedback control system of type $$2,$$ the steady state error for a ramp input is
GATE EE 1996
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Consider the unit step response of a unity feedback control system whose open loop transfer function is $$G\left( s \rig...
GATE EE 1996
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The unit - impulse response of a unity - feedback control system is given by $$c\left( t \right) = - t{e^{ - t}} + 2\,\...
GATE EE 1996
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The closed loop transfer function of a control system is given by $${{C\left( s \right)} \over {R\left( s \right)}}\, = ...
GATE EE 1995
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The steady state error due to a step input for type $$1$$ system is ______________.
GATE EE 1995
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The Laplace transformation of $$f(t)$$ is $$F(s).$$ Given $$F\left( s \right) = {\omega \over {{s^2} + {\omega ^2}}},$$...
GATE EE 1995
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For what values of $$'a'$$ does the system shown in figure have a zero steady state error $$\left[ {i.e.,\mathop {Lim}\l...
GATE EE 1992
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Marks 2
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The unit step response of a system with the transfer function $$G\left( s \right) = {{1 - 2s} \over {1 + s}}$$ is given ...
GATE EE 2015 Set 2
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The open-loop transfer function of a $$dc$$ motor is given as $${{\omega \left( s \right)} \over {{V_a}\left( s \right)}...
GATE EE 2013
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The response $$h(t)$$ of a linear time invariant system to an impulse $$\delta \left( t \right),$$ under initially relax...
GATE EE 2011
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A two-loop position control system is shown below. The gain $$k$$ of the Tacho-generator influences mainly the...
GATE EE 2011
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The unit - step response of a unity feedback system with open loop transfer function $$G\left( s \right) = {K \over {\le...
GATE EE 2009
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The transfer function of a system is given as $${{100} \over {{s^2} + 20s + 100}}.$$ The system is
GATE EE 2008
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The transfer function of a linear time invariant system is given as $$G\left( s \right) = {1 \over {{s^2} + 3s + 2}}$$ ...
GATE EE 2008
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$$R-L-C$$ circuit shown in figure If the above step response is to be observed on a non - storage $$CRO,$$ then it w...
GATE EE 2007
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Consider the feedback system shown below which is subjected to a unit step input. The system is stable and has following...
GATE EE 2007
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$$R-L-C$$ circuit shown in figure For a step input $${e_{i,}}$$ the overshoot in the output $${e_{0,}}$$ will be ...
GATE EE 2007
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When subjected to a unit step input, the closed loop control system shown in the figure will have a steady state error ...
GATE EE 2005
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When subjected to a unit step input, the closed loop control system shown in the figure will have a steady state error o...
GATE EE 2005
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The unit impulse response of a second order under-damped system starting from rest is given by $$c\left( t \right) = 12....
GATE EE 2004
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The block diagram of a closed loop control system is given by figure. The values of $$K$$ and $$P$$ such that the system...
GATE EE 2004
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The roots of the closed loop characteristic equation of the system shown in fig is ...
GATE EE 2003
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A control system with certain excitation is governed by the following mathematical equation $$${{{d^2}x} \over {d{t^2}}}...
GATE EE 2003
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The block diagram shown in fig given is a unity feedback closed loop control system. The steady state error in the resp...
GATE EE 2003
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A unity feedback system has open-loop transfer function $$G\left( s \right) = {{25} \over {s\left( {s + 6} \right)}}.$$ ...
GATE EE 2000
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For the system shown in Figure, with a damping ratio $$\xi $$ of $$0.7$$ and an undamped natural frequency $${\omega _n}...
GATE EE 1996
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The unit impulse response of a system is given as $$c\left( t \right) = - 4{e^{ - t}} + 6{e^{ - 2t}}.\,\,\,$$ The step ...
GATE EE 1996
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A first order system and its response to a unit step input are shown in Fig. below. The system parameters are $$a=$$ _...
GATE EE 1991
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