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Control Systems Engineering, Second Edition

Book Description

Control Systems Engineering is a comprehensive text designed to cover the complete syllabi of the subject offered at various engineering disciplines at the undergraduate level. The book begins with a discussion on open-loop and closed-loop control systems. The block diagram representation and reduction techniques have been used to arrive at the transfer function of systems. The signal flow graph technique has also been explained with the same objective. This book lays emphasis on the practical applications along with the explanation of key concepts.

Table of Contents

  1. Cover
  2. Title page
  3. Contents
  4. Dedication
  5. Preface to the Second Edition
  6. Preface
  7. Chapter 1. Introduction
    1. 1.1 Control System
    2. 1.2 Basic Components of a Control System
    3. 1.3 Classification of Control System
    4. 1.4 Servomechanism, Regulator and Process Control
    5. 1.5 Examples of Control Systems
    6. 1.6 Feedback Control System
    7. Review Questions
  8. Chapter 2. Modelling a Control System—Transfer Function Approach
    1. 2.1 Introduction
    2. 2.2 Transfer Function
    3. 2.3 Procedure for Determining the Transfer Function of a Control System
    4. 2.4 Physical Systems
    5. 2.5 Hydraulic System
    6. 2.6 Pneumatic System
    7. 2.7 Thermal System
    8. Review Questions
  9. Chapter 3. Modelling a Control System—Block Diagram Representation
    1. 3.1 Introduction
    2. 3.2 Advantages of Block Diagram Representation
    3. 3.3 Error Detector
    4. 3.4 Block Diagram of a Closed-loop System
    5. 3.5 Rules of Block Diagram Algebra
    6. 3.6 Drawing Block Diagram of Electrical Networks
    7. 3.7 Servomechanism
    8. Review Questions
  10. Chapter 4. Modelling a Control System—Signal Flow Graphs
    1. 4.1 Introduction
    2. 4.2 Construction of Signal Flow Graph
    3. 4.3 SFG for Solution of Differential Equations
    4. Review Questions
  11. Chapter 5. Feedback Control System—Characteristics and Performance
    1. 5.1 Open-loop and Closed-loop Control System
    2. 5.2 Feedback Control Systems
    3. 5.3 Effect of Feedback on Parameter Variations
    4. 5.4 Effect of Feedback on Transient Response
    5. 5.5 Effect of Feedback on Disturbance Signal
    6. 5.6 Effect of Feedback on Steady-state Error
    7. 5.7 The Cost of Feedback
    8. 5.8 Performance of Feedback Control System
    9. Review Questions
  12. Chapter 6. Error Analysis
    1. 6.1 Introduction
    2. 6.2 Types of Input Signals
    3. 6.3 Classification of Control Systems
    4. 6.4 Steady-state Errors
    5. 6.5 Dynamic Error Coefficients
    6. 6.6 Integral Square Error (ISE) and Its Minimisation
    7. Review Questions
  13. Chapter 7. Time Response Analysis
    1. 7.1 Introduction
    2. 7.2 Time Response of First Order System to Step Input
    3. 7.3 Response of the First Order System to Unit Ramp Input
    4. 7.4 Response of First Order System to Impulse Input
    5. 7.5 Time Response of Second Order Systems
    6. 7.6 Dominant Closed-loop Poles of Higher Order Systems
    7. 7.7 Sensitivity
    8. 7.8 Control Actions
    9. 7.9 Transient Response Analysis Using MATLAB
    10. Review Questions
  14. Chapter 8. Concept of Stability and Routh-Hurwitz Criteria
    1. 8.1 Concept of Stability
    2. 8.2 Conditions for Stability
    3. 8.3 Routh’s Tabulation
    4. Review Questions
  15. Chapter 9. The Root Locus Technique
    1. 9.1 Introduction
    2. 9.2 The Root Locus Concept
    3. 9.3 Root Locus Construction Procedure
    4. 9.4 Root Locus Construction Rules
    5. 9.5 Effects of Adding Poles and Zeros to G(s) H(s)
    6. 9.6 Root-locus Plot with MATLAB
    7. Review Questions
  16. Chapter 10. Frequency Response Analysis
    1. 10.1 Introduction
    2. 10.2 Bode Plot
    3. 10.3 Plotting Bode Diagrams with MATLAB
    4. 10.4 Nyquist Stability Criterion
    5. 10.5 Drawing Nyquist Plots with MATLAB
    6. Review Questions
  17. Chapter 11. Design and Compensation
    1. 11.1 Introduction
    2. 11.2 Effect of Adjustment of Gain
    3. 11.3 Compensating by Inserting a Network
    4. 11.4 Lead Compensator
    5. 11.5 Lag Compensator
    6. 11.6 Lag-Lead Compensator
    7. 11.7 Design Procedures
    8. Review Questions
  18. Chapter 12. Concept of State Variable Modelling
    1. 12.1 Introduction
    2. 12.2 Concepts of State, State Variables and State Model
    3. 12.3 State Models of Linear Continuous Time Systems.
    4. 12.4 Co-relation between State Model and Transfer Function
    5. 12.5 Diagonalisation of State Matrix
    6. 12.6 Solution of State Equation
    7. 12.7 Concept of Controllability and Observability
    8. Review Questions
  19. Chapter 13. Control Components
    1. 13.1 Introduction
    2. 13.2 Error Detectors — Potentiometers and Synchros
    3. 13.3 Tachogenerators
    4. 13.4 Servo Motors and Gear Trains
    5. 13.5 Transducers
    6. 13.6 Stepper Motors
    7. 13.7 Miscellaneous Components
    8. Review Questions
  20. Appendix 1. Laplace Transform
    1. A1.1 Introduction
    2. A1.2 Definition of Laplace Transform
    3. A1.3 Laplace Transform of Some Basic Functions
    4. A1.4 Standard Test Signals
    5. A1.5 Translated Functions
    6. A1.6 Some Laplace Transforms
    7. A1.7 Theorems of Laplace Transform
  21. Appendix 2. Matlab Fundamentals
    1. A2.1 Introduction
    2. A2.2 Statements and Variables
    3. A2.3 Matrices
    4. A2.4 Graphics
    5. A2.5 Scripts
  22. Appendix 3. Fuzzy Logic
    1. A3.1 Concept of Fuzzy Logic
    2. A3.2 Basic Notions of Fuzzy Logic
    3. A3.3 Linguistic Variables
    4. A3.4 Fuzzy Control
    5. A3.5 Comparison of Design Methodologies
    6. A3.6 Examples of Fuzzy Controllers
  23. Appendix 4. Objective Type Questions
    1. A4.1 Introduction
    2. A4.2 Modelling a Control System—Transfer Function Approach and Block Diagram Approach
    3. A4.3 Modelling a Control System—Signal Flow Graphs
    4. A4.4 Feedback Control System—Characteristics and Performance
    5. A4.5 Error Analysis
    6. A4.6 Time Response Analysis
    7. A4.7 Concept of Stability and Routh—Hurwitz Criteria
    8. A4.8 Root Locus Technique
    9. A4.9 Frequency Response Analysis
    10. A4.10 Design and Compensation
    11. A4.11 Concept of State—Variable Modelling
    12. A4.12 Control Components
  24. Appendix 5. Key Terms
  25. Bibliography
  26. Copyright