GTU 3160104 Basic Control Theory: Question Bank

Chapter No.: 1: Introduction

1) Define following Terminology.

Input, Output, Error, System, Control, Control System, Disturbance, Feedback System, Open loop system, Closed loop system, Positive and Negative Control System, SISO, MIMO, SIMO, MISO, Stable System, Unstable System, Time Variant and Time Invariant System, Linear and Non Linear System, Analog and Digital System, Man Made system, Natural System.

2) Compare Open loop system and Closed loop system.

3) Explain Open loop control system and Closed loop control system with block diagram and examples.

4) Compare positive and negative feedback control system.

Chapter No.: 2: Time Domain Performance Analysis

1) Explain Standard Test Input Signals with respect to Time and Laplace domain.

2) Explain briefly Time Response of First Order System with respect to Unit Step, Unit Ramp and Unit Impulse input signal.

3) Explain briefly Time Response of Second Order System with respect to Unit Step input signal.

4) Draw the Pole Location plot for second order system with respect to different zita(ߞ) value.

5) Define following Terminology(With Equations).Delay Time, Rise Time, Peak Time, Peak Overshoot, Settling Time, Steady State Error, Dominant Pole and Insignificant Pole.

6) Explain steady state errors and error constants.

7) Find Steady state error of Type –0 systems with respect to Unit Step, Unit Ramp and Unit Parabolic input signal.

8) Explain effect of adding poles and zeros to the transfer functions.

9) Examples: 4.1 to 4.30 (Book: Control System by A. Anand Kumar)

10) What is Order of the Control System?

11) List five examples of first order system.

12) List five examples of second order system.

13) List five examples of third order system.

14) List three practical examples of first order system.

15) List three practical examples of second order system.

16) List three practical examples of third order system. What is stable system?

17) What is unstable system?

18) What is marginally stable system?

19) Explain examples of stable and unstable system.

20) Solve any 5 examples of stable, unstable and marginally stable system with respect to pole and zero location.

Chapter No. 3: Stability Analysis of Control Systems

1) List importance of Routh Hurwitz Criteria.

2) List Rules of Routh Hurwitz Criteria.

3) Write importance of Auxiliary Equations.

4) Solve Six Examples of Routh Hurwitz Stability Criteria given in the video lecture. https://www.youtube.com/watch?v=bbKXIplmQgk

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