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    Branch: Electronics and Communication Engineering Ec010 502-Control Systems

    Uploaded by

    Moh Okoe
    This document contains a model question paper for a 5th semester B.Tech degree examination in Electronics and Communication Engineering for the subject Control Systems. The paper is divided into 3 parts. Part A contains 5 short answer questions worth 3 marks each. Part B contains 5 short answer questions worth 5 marks each. Part C contains 4 long answer questions worth 12 marks each, with candidates required to answer 1 question from each module. The questions cover topics such as open and closed loop systems, characteristic equations, stability analysis techniques including Routh's criterion and root locus, block diagram reduction, system response to inputs, and state space analysis.

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    Branch: Electronics and Communication Engineering Ec010 502-Control Systems

    Uploaded by

    Moh Okoe
    27 views3 pages
    This document contains a model question paper for a 5th semester B.Tech degree examination in Electronics and Communication Engineering for the subject Control Systems. The paper is divided into 3 parts. Part A contains 5 short answer questions worth 3 marks each. Part B contains 5 short answer questions worth 5 marks each. Part C contains 4 long answer questions worth 12 marks each, with candidates required to answer 1 question from each module. The questions cover topics such as open and closed loop systems, characteristic equations, stability analysis techniques including Routh's criterion and root locus, block diagram reduction, system response to inputs, and state space analysis.

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    Original Title

    EC502(1)(1)

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    This document contains a model question paper for a 5th semester B.Tech degree examination in Electronics and Communication Engineering for the subject Control Systems. The paper is divided into 3 parts. Part A contains 5 short answer questions worth 3 marks each. Part B contains 5 short answer questions worth 5 marks each. Part C contains 4 long answer questions worth 12 marks each, with candidates required to answer 1 question from each module. The questions cover topics such as open and closed loop systems, characteristic equations, stability analysis techniques including Routh's criterion and root locus, block diagram reduction, system response to inputs, and state space analysis.

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    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    27 views3 pages

    Branch: Electronics and Communication Engineering Ec010 502-Control Systems

    Uploaded by

    Moh Okoe
    This document contains a model question paper for a 5th semester B.Tech degree examination in Electronics and Communication Engineering for the subject Control Systems. The paper is divided into 3 parts. Part A contains 5 short answer questions worth 3 marks each. Part B contains 5 short answer questions worth 5 marks each. Part C contains 4 long answer questions worth 12 marks each, with candidates required to answer 1 question from each module. The questions cover topics such as open and closed loop systems, characteristic equations, stability analysis techniques including Routh's criterion and root locus, block diagram reduction, system response to inputs, and state space analysis.

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    B.

    TECH DEGREE EXAMINATION- 2012


    MODEL QUESTION
    Fifth Semester
    Branch: Electronics and Communication Engineering
    EC010 502- CONTROL SYSTEMS
    (Regular)
    Time: Three Hours Maximum: 100 Marks
    PART A
    Answer all questions briefly.
    Each question carries 3 marks.
    1. Distinguish between open loop and closed loop control system.
    2. What is a characteristic equation?
    3. Explain the types of control systems.
    4. What are static and dynamic error constants? Explain.
    5. Explain BIBO stability. . (5x3=15 marks)
    PART B
    Answer all questions.
    Each question carries 5 marks.
    6. Explain Mason’s gain formula with an example.
    7. Give a note on different test signals.
    8. Explain the guidelines to determine the TF of mechanical rotational system
    9. Briefly explain the procedure in Routh’s stability criterion.
    10. Check the stability of the system whose characteristic equation is
    S4+2S3+6S2+4S+1=0 (5x5=25 marks)
    PART C

    Answer any one question from each module.


    Each question carries 12 marks.
    11. Write the differential equations governing the mechanical system shown in figure.
    Also draw the force-voltage and force-current analogous circuit.

    Or
    12. Using block diagram reduction techniques obtain C/R by reducing the block diagram
    shown below.

    13. Obtain the response of unity feedback system whose open loop transfer function is

    G(s) =

    and when the input is unit step.


    Or
    14. Explain step response of II order system in detail

    15. Sketch the root locus of the system whose open loop transfer function is

    . Find the value of K so that the damping ratio of the closed

    loop system is 0.5.


    Or
    16. Construct Routh array and determine the stability of the system whose characteristic
    equation is s6 +2s5+8s4+12s3+20s2+16s+16=0. Comment on the location of the roots
    of characteristic equation.

    17. Sketch Bode plot for the following transfer function and determine the system gain
    K for the gain cross over frequency to be 5rad/sec.

    Or
    18. Briefly explain about M&N circle.
    19. Explain the properties of State transition matrix
    Or
     0 3 
    20. Find f(A)=A7 for A=  
     2  5

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