B.TechSemester 52021-22Control SystemKEE502
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Control System (KEE502) - AKTU Question Paper 2021-22

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Control System Previous Year Question Paper for B.Tech Semester 5, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 5
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Control System (KEE502) — complete question paper

Section AAttempt any three of the following: eo 10x 3=30
  • a
    Draw the block diagram, which represent a driver driving a car
  • b
    Define: Self loop & non-touching loop in signal flow graph by suitable example
  • c
    What do you mean by Settling Time, write expression for 2™ order system?
  • d
    The OLTF of a unity feedback system is G(s) = 1/s(s+!)(s+4) find the steady State error (ess) due to a unit step
  • c
    What are the limitations of Routh Hurwitz criterion?
  • f
    State Absolute Stability & Relative Stability
  • g
    Draw the polar plot G(s)=I/(s+ 2)
  • h
    Write advantages of Bode Plot. i. Find the eigenvectors of the matrix j. Why compensators are ised in control system, what is effect of lag compensator?, ay Vv 0 SECTION B
  • a
    Write down various rules involve in Block Diagram Reduction method
  • b
    The unity feedback system is characterized byaf Open loop transfer function is G(S) = K/s(s+20).Determine the gain K, sattitat the system will have a damping ratio of 0.6, For this value of K, determirie unit step response, time domain specifications: settling time (2% criterion), Peak overshoot, Rise time,Peak time, Delay time for a unit-step in t
  • c
    Explain the effect of addition 1 Of{pole & zero on Root Locus & time domain specifications
  • d
    Sketch the polar plot of the following function, also determine Gain Margin, Phase Margin, H(s) =] €. State properties of State Transition Matrix (STM), find out State Transition Matrix for https://www.aktuonline.com li Subject Code: KEES) W011 ubjet Code: Kenge
Section CAttempt any one part of the followi ng:? 0 10x ty 10
  • a
    ~—- Find out C/R by using Block Diagram Reduction method
  • b
    Find the overall gain of the system whose signal flow graph is shown below
  • a
    Compare Proportional (P)control action with Integral {1)control action & Prove That By Using Proportional Integral PI controtiet- Steady State error Become zero in a system. Qs aa
  • b
    Find out various error coefficients: Kp, Ky <a & steady state error for standard Step, ramp, and parabolic inputs for system shown below: Ris) + E(s) SOX s + 25 + 5) C(s)
  • a
    Explain the effect of pole location on Stability of a system by suitable diagram, Determine range of K & frequency of sustained oscillations for a given unity feedback system. https://www.aktuonline.com Qe MNO LO OE Printed Page: 3 of3 PAPER D-410833 Subject Code; KEESQ2
  • b
    Sketch the root locus of the system whose open loop transfer function is G(S}
    K / s(st+2)(s+5).Find the value of K so that system is marginal stable, find out
damped frequency of oscillation, also find K when the damping ratio of the
closed loop system is 0.5
  • a
    Sketch Bode plot for the following transfer function and determine the gain cross over frequency & phase cross over frequency, comment on stability
  • b
    Draw the complete Nyquist plot for a unity feedback system having the open loop Function, from this plot obtain alf\ the information regarding stability
  • a
    Design a lead compensator for'a system whose open loop transfer funetion is It will fulfill followinSrequirement- Av (i)Static velocity citar constant =20sec"' (ii) P.M at least 50° (iii)G.M.at least
  • b
    Determine The State controllability & Observiability.of the system described g=] 0 O 3)x+]1] u and https://www.aktuonline.com Whatsapp @ 9300930012 Send your old paper & get 10/- wrt wet tre stat at 10 wre ae, Paytm or Google Pay & https://www.aktuonline.com

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.

Repeated Questions — KEE502

Questions that appeared in more than one session, found by comparing 3 years of Control System papers (2021-22, 2022-23, 2023-24)

2x

What are the limitations of Routh Hurwitz criterion?

Appeared in: 2021-22 · 2023-24

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