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Control Systems
Signal Flow Graph and Block Diagram
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Time Response Analysis
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Compensators
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Basic of Control Systems
Marks 1Marks 2
Frequency Response Analysis
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Stability
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Root Locus Diagram
Marks 1Marks 2
State Space Analysis
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1
GATE ECE 1991
MCQ (Single Correct Answer)
+2
-0.6
The characteristic equation of a feedback control system is given by
s3 +5s2 +(K + 6)s + K =0
Where K > 0 is a scalar variable parameter. In the root loci diagram of the system the asymptotes of the root locus for large values of K meet at a point in the s-plane whose coordinates are
A
(-3,0)
B
(-2,0)
C
(-1,0)
D
(2,0)
2
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Consider a closed-loop system shown in fig. (a) below. The root locus for it is shown in fig. (b). The closed-loop transfer function for the system is GATE ECE 1988 Control Systems - Root Locus Diagram Question 6 English
A
$$\frac K{1+\left(0.5s+1\right)\left(10s+1\right)}$$
B
$$\frac K{\left(s+2\right)\left(s+0.1\right)}$$
C
$$\frac K{1+K\left(0.5s+1\right)\left(10s+1\right)}$$
D
$$\frac K{K+0.2\left(0.5s+1\right)\left(10s+1\right)}$$
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Questions Asked from Marks 2
GATE ECE 2017 Set 1 (1) GATE ECE 2016 Set 3 (1) GATE ECE 2016 Set 1 (1) GATE ECE 2015 Set 3 (1) GATE ECE 2015 Set 1 (1) GATE ECE 2014 Set 4 (1) GATE ECE 2014 Set 3 (1) GATE ECE 2007 (1) GATE ECE 2005 (1) GATE ECE 2003 (1) GATE ECE 1999 (1) GATE ECE 1992 (1) GATE ECE 1991 (1) GATE ECE 1988 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics