Control Systems
Signal Flow Graph and Block Diagram
Marks 1Marks 2Marks 5
Basic of Control Systems
Marks 1Marks 2
Frequency Response Analysis
Marks 1Marks 2Marks 5Marks 8Marks 10
Root Locus Diagram
Marks 1Marks 2
State Space Analysis
Marks 1Marks 2Marks 5Marks 10
1
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
The gain margin and the phase margin of a feedback system with G(s)H(s)=$${s \over {{{\left( {s + 100} \right)}^3}}}$$ are
A
0 dB, $${0^0}$$
B
$$\infty ,\infty $$
C
$$\infty ,{0^0}$$
D
88.5 dB, $$\infty $$
2
GATE ECE 2002
MCQ (Single Correct Answer)
+2
-0.6
The system with the open loop transfer function G(s)H(s)=$${1 \over {s\left( {{s^2} + s + 1} \right)}},$$ has a gain margin of
A
-6 dB
B
0 dB
C
3.5 dB
D
6 dB
3
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
The open-loop DC gain of a unity negative feedback system with closed-loop transfer function $${{s + 4} \over {{s^2} + 7s + 13}}$$ is
A
$${4 \over {13}}$$
B
$${4 \over 9}$$
C
$$4$$
D
$$13$$
4
GATE ECE 1992
Subjective
+2
-0
Bode plot of a stable system is shown in fig. The transfer function of the system is GATE ECE 1992 Control Systems - Frequency Response Analysis Question 43 English
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