CONTROL ENGINEERING (BME703)

CONTROL ENGINEERING

Course Code BME703 
CIE Marks 50
Teaching Hours/Week (L: T:P: S) (3:0:0:0) 
SEE Marks 50
Total Hours of Pedagogy 40 
Total Marks 100
Credits 03 
Exam Hours 3
Examination type (SEE) Theory

Module ­1

Introduction: Concept of automatic controls, Open loop and closed loop systems, Concepts of

feedback, requirements of an ideal control system.

Types of controllers: Proportional, Integral Proportional Integral, Proportional Integral

Differential controllers.

Mathematical Models: Transfer function models, models of mechanical systems, models of

electrical circuits, models of thermal systems and models of hydraulic systems.

Module ­2

Block Diagrams and Signal Flow Graphs: Transfer Functions definition, block representation of

systems elements, reduction of block diagrams, Signal flow graphs: Mason’s gain formula.

System Compensation: Series and feedback compensation, Lead compensator, Lag Compensator.

Module­ 3

Transient and Steady State Response Analysis: Introduction, test inputs, first order and second

order system response to step, ramp and impulse inputs, concepts of time constant and its

importance in speed of response. Steady state error, error constants.

Module ­4

System stability: Routh’s stability Criterion

Root Locus Plots: Definition of root loci, General rules for constructing root loci, Analysis using root

locus plots.

Module ­5

Frequency Response Analysis: Polar plots, Nyquist stability criterion, Bode Plots, Determination

of phase margin and gain margin using Bode plot.

Suggested Learning Resources:

Books

1. Modern Control Engineering, Katsuhiko Ogatta, Pearson Education, Fifth edition.

2. Modern Control Systems, Richard.C.Dorf and Robert.H.Bishop, Addison Wesley, Thirteenth

Edition.

3. Control Systems Principles and Design, M.Gopal, Fourth Edition, TMH.

4. Automatic Control Systems, Benjamin C. Kuo, Farid Golnaraghi, McGraw Hill Education, Tenth

Edition