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 2006
MCQ (Single Correct Answer)
+1
-0.3
In the system shown below, x(t)=(sin t). In steady-state, the response y(t) will be GATE ECE 2006 Control Systems - Frequency Response Analysis Question 62 English
A
$${1 \over {\sqrt 2 }}\sin \left( {t - {\pi \over 4}} \right)$$
B
$${1 \over {\sqrt 2 }}\sin \left( {t + {\pi \over 4}} \right)$$
C
$${1 \over {\sqrt 2 }}{e^{ - t}}\sin t$$
D
$$\sin t - \cos t$$
2
GATE ECE 2006
MCQ (Single Correct Answer)
+1
-0.3
The open-loop transfer function of a unity-gain feedback control system is given by $$G(s) = {K \over {(s + 1)(s + 2)}},$$ the gain margin of the system in dB is given by
A
0
B
1
C
20
D
$$\infty $$
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following polar diagrams corresponds to a lag network?
A
GATE ECE 2005 Control Systems - Frequency Response Analysis Question 63 English Option 1
B
GATE ECE 2005 Control Systems - Frequency Response Analysis Question 63 English Option 2
C
GATE ECE 2005 Control Systems - Frequency Response Analysis Question 63 English Option 3
D
GATE ECE 2005 Control Systems - Frequency Response Analysis Question 63 English Option 4
4
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
Figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, the closed loop system is GATE ECE 2003 Control Systems - Frequency Response Analysis Question 65 English
A
always stable
B
unstable with one closed-loop right hand pole
C
unstable with two closed-loop right hand poles
D
unstable with three closed-loop right hand poles
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