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Control Systems
Block Diagram and Signal Flow Graph
Marks 1Marks 2
Polar Nyquist and Bode Plot
Marks 1Marks 2Marks 5
State Variable Analysis
Marks 1Marks 2Marks 5
Basics of Control System
Marks 1Marks 2
Routh Hurwitz Stability
Marks 1Marks 2
Time Response Analysis
Marks 1Marks 2
Root Locus Techniques
Marks 1Marks 2Marks 5
Controller and Compensator
Marks 1Marks 2
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1
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
The feedback system shown below oscillates at $$2$$ rad/s when GATE EE 2012 Control Systems - Routh Hurwitz Stability Question 12 English
A
$$K=2$$ and $$a=0.75$$
B
$$K=3$$ and $$a=0.75$$
C
$$K=4$$ and $$a=0.5$$
D
$$K=2$$ and $$a=0.5$$
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
Figure shows a feedback system where $$K>0$$ GATE EE 2008 Control Systems - Routh Hurwitz Stability Question 6 English

The range of $$k$$ for which system is stable will by given by

A
$$0 < K < 30$$
B
$$0 < K < 39$$
C
$$0 < K < 390$$
D
$$K > 390$$
3
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
If the loop gain $$K$$ of a negative feedback system having a loop transfer function $$K\left( {s + 3} \right)/{\left( {s + 8} \right)^2}$$ is to be adjusted to induce a sustained oscillation then
A
The frequency of this oscillation must be $$4/\sqrt 3 $$ rad/s
B
The frequency of this oscillation must be $$4$$ rad/s
C
The frequency of this oscillation must be $$4$$ or $$4/\sqrt 3 $$ rad/s
D
suck $$k$$ does not exist
4
GATE EE 2006
MCQ (Single Correct Answer)
+2
-0.6
The algebraic equation
$$F\left( s \right) = {s^5} - 3{s^4} + 5{s^3} - 7{s^2} + 4s + 20$$
$$F\left( s \right) = 0$$ has
A
single complex root with the remaining roots being real
B
one positive real root and four complex roots, all with positive real parts
C
one negative real root, two imaginary roots, and two roots with positive real parts
D
one positive real root, two imaginary roots, and two roots with negative real parts
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Questions Asked from Marks 2
GATE EE 2025 (1) GATE EE 2017 Set 2 (1) GATE EE 2016 Set 1 (1) GATE EE 2015 Set 2 (1) GATE EE 2014 Set 2 (1) GATE EE 2014 Set 1 (1) GATE EE 2012 (1) GATE EE 2008 (1) GATE EE 2007 (1) GATE EE 2006 (1) GATE EE 2004 (2) GATE EE 2003 (1) GATE EE 1998 (1) GATE EE 1997 (2)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement