B.TechSemester 62022-23Control SystemKEC-602

Control System (KEC-602) - AKTU Question Paper 2022-23

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Control System Previous Year Question Paper for B.Tech Semester 6, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 6

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Control System (KEC-602) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

b
Define damping ratio
c
Differentiate between open loop system and closed loop system
d
Explain resonant peak and resonant frequency
e
Explain the Incremental Encoder
f
What is servomechanism?
g
Define transfer function
h
Explain static velocity error constant and static acceleration error constant (i) What is characteristic equation? (j) Explain characteristics of an ideal control system

Section BAttempt any three of the following: 10 x 3 = 30

a
Find the transfer function Y 8/Y 1 of the signal flow graph shown in Fig. 1 Fig. 1
b
A linear time invariant system is characterized by the state variable model. Examine the controllability and observability of the system
c
Explain steady state error in detail. Derive its ex pression for step and ramp inputs in type 1 systems
d
Discuss the effect of adding a zero to the forward path in detail
e
Explain Routh Hurwitz stability criterion. Using th is method check the stability of the system whose characteristic equation is 2s 5 + s 4 + 6s 3 + 3s 2 + s + 1 = 0

Section CAttempt any one part of the following: 10 x 1 = 10

a
Discuss the effect of feedback on following: (i) Stability (ii) Sensitivity (iii) Overall Gain
b
Determine the transfer function Y 2(s)/F(s) of the system shown in Fig. 2 Fig. 2
b
Construct the state model for a system characterized by the differential equation: Give the block diagram representation of the state model
b
Derive the time response of a second order system subjected to unit step input
b
Sketch the polar plot for G(s) =
b
Sketch the root locus plot for G(s) = ( .) and H(s) = 1

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.