# Time Response Analysis · Control Systems · GATE EE

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## Marks 1

GATE EE 2022
The damping ratio and undamped natural frequency of a closed loop system as shown in the figure, are denoted as $$\xi$$ and $$\omega$$n are ...
GATE EE 2017 Set 2
When a unit ramp input is applied to the unity feedback system having closed loop transfer function $${{C\left( s \right)} \over {R\left( s \right)}} ... GATE EE 2014 Set 2 The closed-loop transfer function of a system is$$T\left( s \right) = {4 \over {\left( {{s^2} + 0.4s + 4} \right)}}.$$The steady state error due to ... GATE EE 2011 The steady state error of a unity feedback linear system for a unit step input is$$0.1.$$The steady state error of the same system, for a pulse inpu... GATE EE 2010 For the system$${2 \over {\left( {s + 1} \right)}},$$the approximate time taken for a step response to reach$$98$$% of its final value is GATE EE 2008 A function$$y(t)$$satisfies the following differential equation :$${{dy\left( t \right)} \over {dt}} + y\left( t \right) = \delta \left( t \right)$... GATE EE 2004 Consider the function $$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$ Where $$F(s)$$ is the Laplace transform of the function $$f... GATE EE 2004 Consider the function$$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$Where$$F(s)$$is the Laplace transform of the function$$f... GATE EE 2004 Consider the function $$F\left( s \right) = {5 \over {s\left( {{s^2} + 3s + 2} \right)}}$$ Where $$F(s)$$ is the Laplace transform of the function $$f... GATE EE 2003 A control system is defined by the following mathematical relationship$$${{{d^2}x} \over {d{t^2}}} + 6{{dx} \over {dt}} + 5x = 12\left( {1 - {e^{ - ...
GATE EE 2000
A unity feedback system has open loop transfer function $$G(s).$$ The steady-state error is zero for
GATE EE 1998
The output of a linear time invariant control system is $$c(t)$$ for a certain input $$r(t).$$ If $$r(t)$$ is modified by passing it through a block w...
GATE EE 1997
Introduction of integral action in the forward path of a unity feedback system result in a
GATE EE 1996
The unit - impulse response of a unity - feedback control system is given by $$c\left( t \right) = - t{e^{ - t}} + 2\,\,{e^{ - t}},\,\left( {t \ge 0}... GATE EE 1996 Consider the unit step response of a unity feedback control system whose open loop transfer function is$$G\left( s \right) = {1 \over {s\left( {s + 1...
GATE EE 1996
For a feedback control system of type $$2,$$ the steady state error for a ramp input is
GATE EE 1995
The Laplace transformation of $$f(t)$$ is $$F(s).$$ Given $$F\left( s \right) = {\omega \over {{s^2} + {\omega ^2}}},$$ the final value of $$f(t)$$ i...
GATE EE 1995
The steady state error due to a step input for type $$1$$ system is ______________.
GATE EE 1995
The closed loop transfer function of a control system is given by $${{C\left( s \right)} \over {R\left( s \right)}}\, = \,\,{{2\left( {s - 1} \right)}... GATE EE 1992 For what values of$$'a'$$does the system shown in figure have a zero steady state error$$\left[ {i.e.,\mathop {Lim}\limits_{t \to \infty } \,\,E\le...

## Marks 2

GATE EE 2015 Set 2
The unit step response of a system with the transfer function $$G\left( s \right) = {{1 - 2s} \over {1 + s}}$$ is given by which one of the following ...
GATE EE 2013
The open-loop transfer function of a $$dc$$ motor is given as $${{\omega \left( s \right)} \over {{V_a}\left( s \right)}} = {{10} \over {1 + 10s}}.$$ ...
GATE EE 2011
A two-loop position control system is shown below. The gain $$k$$ of the Tacho-generator influences mainly the...
GATE EE 2011
The response $$h(t)$$ of a linear time invariant system to an impulse $$\delta \left( t \right),$$ under initially relaxed condition is $$h\left( t \r... GATE EE 2009 The unit - step response of a unity feedback system with open loop transfer function$$G\left( s \right) = {K \over {\left( {s + 1} \right)\left( {s +...
GATE EE 2008
The transfer function of a linear time invariant system is given as $$G\left( s \right) = {1 \over {{s^2} + 3s + 2}}$$ The steady state value of the ...
GATE EE 2008
The transfer function of a system is given as $${{100} \over {{s^2} + 20s + 100}}.$$ The system is
GATE EE 2007
$$R-L-C$$ circuit shown in figure For a step input $${e_{i,}}$$ the overshoot in the output $${e_{0,}}$$ will be ...
GATE EE 2007
Consider the feedback system shown below which is subjected to a unit step input. The system is stable and has following parameters $${k_p} = 4,\,\,{k... GATE EE 2007$$R-L-C$$circuit shown in figure If the above step response is to be observed on a non - storage$$CRO,$$then it would be best have the$${e_i}$... GATE EE 2005 When subjected to a unit step input, the closed loop control system shown in the figure will have a steady state error of ... GATE EE 2005 When subjected to a unit step input, the closed loop control system shown in the figure will have a steady state error of ... GATE EE 2004 The block diagram of a closed loop control system is given by figure. The values of $$K$$ and $$P$$ such that the system has a damping ratio of $$0.7... GATE EE 2004 The unit impulse response of a second order under-damped system starting from rest is given by$$c\left( t \right) = 12.5{e^{ - 6t}}\,\sin 8t,\,\,t \g... GATE EE 2003 The block diagram shown in fig given is a unity feedback closed loop control system. The steady state error in the response of the above system to un... GATE EE 2003 A control system with certain excitation is governed by the following mathematical equation $${{{d^2}x} \over {d{t^2}}} + {1 \over 2}{{dx} \over {dt}... GATE EE 2003 The roots of the closed loop characteristic equation of the system shown in fig is ... GATE EE 2000 A unity feedback system has open-loop transfer function$$G\left( s \right) = {{25} \over {s\left( {s + 6} \right)}}.$$The peak overshoot in the step... GATE EE 1996 The unit impulse response of a system is given as$$c\left( t \right) = - 4{e^{ - t}} + 6{e^{ - 2t}}.\,\,\,$$The step response of the same system fo... GATE EE 1996 For the system shown in Figure, with a damping ratio$$\xi $$of$$0.7$$and an undamped natural frequency$${\omega _n}$$of$$4$$rad/sec, the value... GATE EE 1991 A first order system and its response to a unit step input are shown in Fig. below. The system parameters are$$a=$$____________$$K=$\$ ___________...
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