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EndsemNov 20222019 patternBE Electrical

Advanced Control System (ACS) SPPU Endsem Question Paper Nov 2022

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated ACS questions
Subject code
403142
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2022
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[5927]-356

Printed for: B.E. (Electrical)

Instructions to the candidates

  1. Solve Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8.
  2. Figures to the right indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Use of algorithmic tables slide rule, and electronic pocket calculator is allowed.
  5. Assume suitable data if necessary.

Questions

  1. Q1

    1. a)

      Derive the formula to get transfer function from the state model.

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      Write a set of state equations for the circuit given below.

      [6]

  2. Q2

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      What is state transition matrix? List the properties of sate transition matrix.

      Also asked:Nov 2025 ·May 2024

      [6]
    3. c)

      Define state, state variable, state vector, state equation and output equation. Draw state diagram.

      Also asked:May 2025 ·May 2024

      [6]

  3. Q3

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Explain the effect of pole zero cancellation.

      Also asked:Nov 2023

      [6]
    3. c)

      Explain full order observer with proper block diagram.

      Also asked:Nov 2023

      [6]

  4. Q4

    1. a)

      What is controllability? How to investigate controllability of a system using Gilbert’s test for i) Distinct eigenvalues and ii) Repeated eigenvalues

      Also asked:May 2025

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      Explain the principle of duality.

      [6]

  5. Q5

    1. a)

      State and explain Shannon’s Sampling theorem. How to select the sampling period?

      Also asked:May 2025

      [6]
    2. b)

      Explain mapping between s-plane and z-plane.

      [6]
    3. c)

      Determine the stability of sampled data control system using Jury’s stability analysis having following polynomial z 3 + 2.1 z 2 + 1.44z + 0.32 = 0.

      [5]

  6. Q6

    1. a)

      Explain the concept of Zero Order Hold and First Order Hold operations. Derive the transfer function of ZOH.

      Also asked:May 2025

      [6]
    2. b)

      Draw block diagram of the digital control system. State function of each block.

      Also asked:Nov 2023

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [5]

  7. Q7

    1. a)

      Define adaptive control. Explain the need of adaptive control. What is adaption mechanism?

      Also asked:May 2023

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      State and explain the linear quadratic regulator problem.

      Also asked:Nov 2025 ·Nov 2023

      [5]

  8. Q8

    1. a)

      Draw block diagram of Model Reference Adaptive Control scheme and explain it.

      Also asked:Nov 2024 ·May 2024 ·May 2023

      [6]
    2. b)

      What is reaching law? Why is it required? Write expressions of constant rate reaching law, constant plus proportional rate reaching law and power rate reaching law.

      Also asked:May 2024 ·Nov 2023

      [6]
    3. c)

      What is optimal control? Write down the steps in linear quadratic regulator problem. 

      Also asked:May 2025

      [5]