13040508  CONTROL SYSTEMS  L  T  P  C 
Version1.1  Date of Approval: Jun 06, 2013  3  0  0  3 
Prerequisites//Exposure  Signals and Systems  
corequisites 
Course Objectives
The students will learn and understand
 Methodology for modeling mechanical, electrical, and other types of dynamic systems using both frequency domain and statespace techniques.
 Fundamental analytical methods and tools used in control system design.
 Principles of feedback control to a variety of scientific disciplines
Course Outcomes
On completion of this course, the students will be able to
 Know the methodology for modeling dynamic systems
 Work with statespace models and their application to frequency domain models.
 Apply methods of RouthHurwitz, Bode, Nyquist, Nichols, and rootlocus in the analysis and design of control systems.
 Design feedback controllers and compensators to achieve desired performance specifications.
Catalog Description
Study of analog and computer controlled systems, classical and modern control system design methods, state space, dynamics of linear systems, and frequency domain analysis and design techniques. Analysis of linear feedback systems, their characteristics, performance, and stability. The RouthHurwitz, rootlocus, Bode, and Nyquist techniques. Design and compensation of feedback control systems. Introduction to controllability and observability.
Text Books
 Nagrath & Gopal, “Control System Engineering”, 4th Edition, New age International, ISBN : 0130980412. 8.
 K. Ogata, “Modern Control Engineering”, Prentice Hall of India, 3rd edition ISBN: 0132273071
 B.C. Kuo & Farid Golnaraghi, “Automatic Control System” Wiley India Ltd, 2008. ISBN 0133047598, 8th edition.
 D.Roy Choudhary, “Modern Control Engineering”, Prentice Hall of India. ISBN: 8120321960, 5th edition.
Reference Books
 Norman S. Mise, Control System Engineering 4th edition, Wiley Publishing Co, ISBN: 0132273071.
 Ajit K Mandal, “Introduction to Control Engineering” New Age International,2006, ISBN : 9788122433906, 2nd edition
 R.T. Stefani, B.Shahian, C.J.Savant and G.H. Hostetter, “Design of Feedback Control Systems” Oxford University Press, ISBN 0195142497, 4th edition.
 N.C. Jagan, “ Control Systems”, B.S. Publications,2007, ISBN, 8178001772, 9788178001777, 2nd edition
Course Content
Unit I: Introduction to Control System
7 lecture hours
Open loop & closed control; servomechanism, Physical examples. Transfer functions, Block diagram algebra, Signal flow graph, Mason’s gain formula Reduction of parameter variation and effects of disturbance by using negative feedback.
Unit II: Time Response analysis
7 lecture hours
Standard test signals, time response of first and second order systems, time response specifications, steady state errors and error constants, Steady state Accuracy, Transient Accuracy, Disturbance, Rejection, Design specifications of second order systems: Derivative error, derivative output, integral error and PID compensations, design considerations for higher order systems, performance indices.
Unit III:Concept of Stability & Algebraic Criteria
8 lecture hours
Concept of Stability, Necessary condition for Stability, Routh Hurwitz Stability Criterion, Relative Stability Analysis, Stability of Systems modeled in State variable form. Root locus concepts, its construction, Root contours, Sensitivity of roots of Characteristic equations.
Unit IV: Frequency response Analysis
8 lecture hours
Frequency response, correlation between time and frequency responses, polar and inverse polar plots, Bode plots, Log magnitude versus phase plots, Stability in Frequency Domain: Mathematical Preliminaries, Nyquist stability criterion, assessment of relative stability: gain margin and phase margin, Closed loop Frequency Response, Sensitivity analysis of Frequency Domain, Constant M&N circles, Nichols Charts Performance Specification in frequency domain.
Unit V: Introduction to Design of control systems
9 lecture hours
The design problem and preliminary considerations lead, lag and leadlag networks, design of closed loop systems using compensation techniques in time domain and frequency domain. Review of state variable technique: Review of state variable technique, State Models for Linear continuous Time systems, State Variables for linear discrete time conversion of state variable model to transfer function model and viceversa, diagonalization, Controllability and observability and their testing, Pole placement by State feedback.
Mode of Evaluation:
Theory  Laboratory  Theory and laboratory  
Components  Internal  SEE  Internal  SEE  
Marks  50  50  0  0  
Total Marks  100  0  
Scaled Marks  100  0  100 
Relationship between the Course Outcomes (COs) and Program Outcomes (POs)
Mapping between Cos and POs  
Sl. No.  Course Outcomes (COs)  Mapped Programme Outcomes 
1  Know the methodology for modeling dynamic systems  4 
2  Work with statespace models and their application to frequency domain models.

3 
3  apply methods of RouthHurwitz, Bode, Nyquist, Nichols, and rootlocus in the analysis and design of control systems.

5 
4  Design feedback controllers and compensators to achieve desired performance specifications.  4 
Engineering Knowledge  Problem analysis  Design/development of solutions  Conduct investigations of complex problems  Modern tool usage  The engineer and society  Environment and sustainability  Ethics  Individual or team work  Communication  Project management and finance  Lifelong Learning  
1  2  3  4  5  6  7  8  9  10  11  12  
TEC315  CONTROL SYSTEMS  3  2  2 
1=addressed to small extent
2= addressed significantly
3=major part of course
Theory  The theory of this course is used to evaluate the program outcome PO(3) 