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 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statement is incorrect?
A
Lead compensator is used to reduce the settling time.
B
Lag compensator is used to reduce the steady state error.
C
Lead compensator may increase the order of a system.
D
Lag compensator always stabilizes an unstable system.
2
GATE ECE 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The transfer function of a first-order controller is given as $${G_c}(s) = {{K\left( {s + a} \right)} \over {s + b}}$$

where k, a and b are positive real numbers. The condition for this controller to act as a phase lead compensator is

A
a < b
B
a > b
C
K < ab
D
K > ab
3
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
The magnitude plot of a rational transfer function G(s), with real coefficient is shown in figure. Which of the following compensators has such a magnitude plot? GATE ECE 2009 Control Systems - Compensators Question 20 English
A
Lead compensator
B
Lag compensator
C
PID controller
D
Lea-lag compensator
4
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
The pole-zero plot given below corresponds to a GATE ECE 2008 Control Systems - Compensators Question 21 English
A
Low pass filter
B
High pass filter
C
Band pass filter
D
notch filter
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