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GATE ECE
State Space Analysis
Control Systems
Previous Years Questions
START HERE
Marks 1
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Consider the state space realization $$$\left[ {\matrix{ {\mathop x\limits^ \bullet } & {\left( t \right)} \cr ...
GATE ECE 2017 Set 2
GO TO QUESTION
Consider the system $${{dx} \over {dt}} = Ax + Bu$$ with $${\rm A} = \left[ {\matrix{ 1 & 0 \cr 0 & 1 ...
GATE ECE 2009
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A linear system is equivalently represented by two sets of state equations. $$\mathop x\limits^ \bullet = \,\,{\rm A}X...
GATE ECE 2005
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The transfer function Y(s)/U(s) of a system described by the state equations $$\mathop x\limits^ \bullet $$(t) = -2x(t...
GATE ECE 2002
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The system mode described by the state equations $$$X = \left( {\matrix{ 0 & 1 \cr 2 & { - 3} \cr } ...
GATE ECE 1999
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Marks 2
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The state equation and the output equation of a control system are given below: $$\mathop x\limits^. = \left[ {\matrix{...
GATE ECE 2018
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A second order LTI system is described by the following state equation. $$$\eqalign{ & {d \over {dt}}{x_1}\left( t...
GATE ECE 2017 Set 2
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A second-order linear time-invariant system is described by the following state equations $$$\eqalign{& {d \over {dt...
GATE ECE 2016 Set 3
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A network is described by the state model as $$$\eqalign{ & {\mathop x\limits^ \bullet _1} = 2{x_1} - {x_2} + 3u,...
GATE ECE 2015 Set 3
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The state variable representation of a system is given as $$$\eqalign{ & \mathop x\limits^ \bullet = \left[ {\ma...
GATE ECE 2015 Set 2
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The state transition matrix $$\phi \left( t \right)$$ of a system $$$\left[ {\matrix{ {\mathop {{x_1}}\limits^ \bull...
GATE ECE 2014 Set 4
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The state equation of a second-order linear system is given by $$\mathop x\limits^ \bullet \left( t \right) = Ax\left( ...
GATE ECE 2014 Set 3
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Consider the state space system expressed by the signal flow diagram shown in the figure. The corresponding system is...
GATE ECE 2014 Set 2
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Consider the state space model of a system, as given below The system is...
GATE ECE 2014 Set 1
GO TO QUESTION
An unforced linear time invariant (LTI) system is represented by $$$\left[ {\matrix{ {\mathop {{x_1}}\limits^ \bullet...
GATE ECE 2014 Set 2
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The state diagram of a system is shown below. A system is shown below. A system is described by the state variable equat...
GATE ECE 2013
GO TO QUESTION
The state diagram of a system is shown below. A system is shown below. A system is described by the state variable equat...
GATE ECE 2013
GO TO QUESTION
The state variable description of an LTI system is given by where y is the output and u is input. The system is contro...
GATE ECE 2012
GO TO QUESTION
The block diagram of a system with one input u and two outputs y1 and y2 is given below A state space model of the abo...
GATE ECE 2011
GO TO QUESTION
The signal flow graph of a system is shown below. The transfer function of the system is...
GATE ECE 2010
GO TO QUESTION
The signal flow graph of a system is shown below. The state variable representation of the system can be ...
GATE ECE 2010
GO TO QUESTION
A signal flow graph of a system is given below. The set of equations that correspond to this signal flow graph is...
GATE ECE 2008
GO TO QUESTION
Consider a linear system whose state space Representation is $$\mathop x\limits^ \bullet \left( t \right) = AX\left( t ...
GATE ECE 2007
GO TO QUESTION
Consider a linear system whose state space Representation is $$\mathop x\limits^ \bullet \left( t \right) = AX\left( t ...
GATE ECE 2007
GO TO QUESTION
The state space representation of a separately excited DC servo motor dynamics is given as $$$\left[ {\matrix{ {{{d\o...
GATE ECE 2007
GO TO QUESTION
A linear system is described by the following state equation $$$\mathop x\limits^ \bullet \left( t \right) = AX\left( t...
GATE ECE 2006
GO TO QUESTION
If A = $$\left[ {\matrix{ { - 2} & 2 \cr 1 & { - 3} \cr } } \right],$$ then sin At is
GATE ECE 2004
GO TO QUESTION
Given A $$ = \left[ {\matrix{ 1 & 0 \cr 0 & 1 \cr } } \right],$$ the state transition ma...
GATE ECE 2004
GO TO QUESTION
The state variable equations of a system are: $$${\mathop {{x_1} = - 3{x_1} - x}\limits^ \bullet _2} + u$$$ $$${\matho...
GATE ECE 2004
GO TO QUESTION
The zero, input response of a system given by the state space equation $$$\left[ {{{\mathop {{x_1}}\limits^ \bullet } \...
GATE ECE 2003
GO TO QUESTION
For the system described by the state equation $$$\mathop x\limits^ \bullet = \left[ {\matrix{ 0 & 1 &am...
GATE ECE 1999
GO TO QUESTION
A certain linear time invariant system has the state and the output equations given below $$$\left[ {\matrix{ {\matho...
GATE ECE 1997
GO TO QUESTION
A linear time-invariant system is described by the state variable model $$$\left[ {\matrix{ {{{\mathop x\limits^ \bul...
GATE ECE 1992
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A linear second order single input continuous-time system is described by the following set of differential equations $...
GATE ECE 1991
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Marks 5
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The block diagram of a linear time invariant system is given in Figure is (a) Write down the state variable equations...
GATE ECE 2002
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A certain linear, time-invariant system has the state and output representation shown below: $$$\eqalign{ & \left[...
GATE ECE 2000
GO TO QUESTION
For the circuit shown in the figure, choose state variables as $${x_{1,}}{x_{2,}}{x_3}$$ to be $${i_{L1}}\left( t \rig...
GATE ECE 1997
GO TO QUESTION
Obtain a state space representation in diagonal form for the following system $$${{{d^3}y} \over {d{t^3}}} + 6{{{d^2}y} ...
GATE ECE 1996
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Marks 10
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A system is characterized by the following state-space equations: a) Find the transfer function of the system b) Comput...
GATE ECE 1990
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