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EndsemNov 20252019 patternBE Electrical

Advanced Control System (ACS) SPPU Endsem Question Paper Nov 2025

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 2025
Max. marks
70
Time
2½ Hours
Semester
VII
Paper code
[6584]-115

Printed for: B.E. (Electrical Engineering)

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 necescary.
  4. Assume suitable additional data, if necessary.
  5. Use of a non-programmable calculator is allowed.

Questions

  1. Q1

    1. a)

      Clearly explain the following terms : i) Physical variables, ii) Phase variables and iii) Canonical variables

      [6]
    2. b)

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

      [6]
    3. c)

      Determine the expression for the solution of homogeneous state equation.

      [6]

  2. Q2

    1. a)

      Define the State transition matrix. Write its properties.

      Also asked:May 2024 ·Nov 2022

      [4]
    2. b)

      What are the different methods to find State transition matrix? Explain any one method in detail.

      [6]
    3. c)

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

      [8]

  3. Q3

    1. a)

      Explain what is the pole placement technique with the help of transformation matrix method.

      [4]
    2. b)

      Define controllability. Explain with a suitable example, how the controllability of a system can be checked?

      [4]
    3. c)

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

      [10]

  4. Q4

    1. a)

      Explain the pole placement technique with direct substitution method.

      [4]
    2. b)

      Discuss the effect of pole zero cancellation on the controllability and the observability of the system.

      Also asked:May 2024 ·Nov 2023 ·May 2023

      [6]
    3. c)

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

      [8]

  5. Q5

    1. a)

      State and explain sampling theorem.

      [4]
    2. b)

      Explain the stability analysis of closed loop system in z-plane using Jury ’ s test.

      [6]
    3. c)

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

      [7]

  6. Q6

    1. a)

      State and explain digital control system. Also write it ’ s advantages and limitations.

      [4]
    2. b)

      Explain mapping between s-plane and z-plane.

      [6]
    3. c)

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

      [7]

  7. Q7

    1. a)

      Define and explain sliding mode control.

      Also asked:May 2024 ·Nov 2023 ·May 2023

      [5]
    2. b)

      Explain Gain scheduling adaptive control strategy with proper block diagram.

      Also asked:May 2023

      [6]
    3. c)

      State and explain the linear quadratic regulator. problem.

      Also asked:Nov 2023 ·Nov 2022

      [6]

  8. Q8

    1. a)

      Explain the adaptive control and its various schemes.

      Also asked:May 2025

      [5]
    2. b)

      What is chattering and how it is attenuated?

      [6]
    3. c)

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

      [6]