EE 2220 - Control Engineering
 3 Credit core course for EE VI semester

Syllabus:

  1. Introduction

    Open-loop and closed-loop systems, servomechanisms and regulator systems; Transfer function; Block diagram reduction; Signal flow graphs.

  2. Mathematical models of Physical Systems

    Mechanical translational and rotational systems, gear trains; D.C. generator and motor; Transportation Lag Systems. Components of feedback control systems: Potentiometers as error sensing devices, synchros, a.c. servo motor; tachometers.

  3. Stability

    Concept of stability, necessary and sufficient conditions of stability; Closed-loop systems, merits and demerits; Routh Hurwitz Criterion.

  4. Transient Response

    Typical inputs, convolution integral; Time domain specifications, steady state errors.

  5. Frequency Response

    Definition, equivalence between transient response and frequency response; Bode plots.

  6. Nyquist stability criterion

    Development of the criterion; Gain and phase margins; M circles and Nichol's chart.

  7. Root Locus method

    Rules for sketching of root loci; Root contours.

  8. Synthesis

    Lag and lead network; Proportional, derivative and Integral controllers.

  9. State space representation of control systems
Text/Reference Books
  • "Control Systems Engineering" by I.J. Nagrath & M. Gopal, 5th Edn. Wiley Eastern, New Delhi.
  • "Automatic Control Systems" by B.C. Kuo, 4th Edn. Prentice Hall of India, New Delhi.
  • "Control System Engineering" by Norman S. Nise, Wiley Text Books.
  • "Modern Control Engineering" by Ogata K. 4th Edn. Prentice Hall.
  • "Modern Control Systems Theory" by M. Gopal, John Wiley & Sons, Inc.

Download assignments for Control Engineering.

Key Learnings from assignment:
Some of the assignment questions are from Text/Reference book exercise/ unsolved problems.
  • Assignment 00 (Available online: 13th Jan. 2012)
    • Revision of Laplace Transform
    • Basic blocks of a control system
  • Assignment 01 (Available online: 20th Jan. 2012)
    • Modeling of Mechanical Systems
    • Modeling of Electrical Systems
    • Transfer Function
  • Assignment 02 (Available online: 25th Jan. 2012)
    • Modeling of ElectroMechanical Systems
    • Modeling of Physical Systems
    • Linearization
  • Assignment 03 (Available online: 25th Jan. 2012)
    • Block Diagram Reduction Technique
    • Signal Flow Graph
  • Assignment 04 (Available online: 30th Jan. 2012)
    • Effect of Feedback
    • Time Response of First and Second Order Systems
    • Approximation of Higher Order Systems
  • Assignment 05 (Available online: 31st Jan. 2012)
    • Routh-Hurwitz Criterion
    • Root Locus
    • Root Contours
  • Assignment 06 (Available online: 1st Feb. 2012)
    Matlab Figure for Q. 5
    • Polar Plot
    • Bode Plot
    • Gain Margin and Phase Margin
  • Assignment 07 (Available online: 13th Feb. 2012)
    • Nyquist Plot
    • Nyquist Stability Criterion
    • M and N Circle
    • Nichol's Chart
  • Assignment 08 (Available online: 13th Feb. 2012)
    • Design in Time Domain
    • Designing PI, PD and PID Controllers
    • Designing Lag, Lead and Lag-Lead Compensators
    • Physical realization of compensators and controllers
  • Assignment 09 (Available online: 13th Feb. 2012)
    • Design in Frequency Domain
    • Designing Lag, Lead and Lag-Lead Compensators
  • Assignment 10