EE 9201 CONTROL SYSTEMS

ANNA UNIVERSITY CHENNAI :: CHENNAI 600 025
REGULATIONS – 2008
CURRICULUM FROM III SEMESTERS FOR
B.E. ELECTRICAL AND ELECTRONICS ENGINEERING

EE 9201 CONTROL SYSTEMS

AIM:
To learn the basic concepts of linear control theory and its analysis.

OBJECTIVE:
To impart knowledge on
Different system representation, block diagram reduction and Mason’s rule.
Time response analysis of LTI systems and steady state error.
The open loop and closed loop frequency responses of systems.
Stability concept.
State variable analysis.


UNIT I - MATHEMATICAL MODELS OF PHYSICAL SYSTEMS 9+3
Definition & classification of system – terminology & structure of feedback control
theory –Analogous systems - Physical system representation by Differential
equations – Block diagram reduction– Signal flow graphs.

UNIT II - TIME RESPONSE ANALYSIS & ROOT LOCUS TECHNIQUE 9+3
Standard test signals – Steady state error & error constants – Time Response of I
and II order system – Root locus – Rules for sketching root loci.

UNIT III - FREQUENCY RESPONSE ANALYSIS 9+3
Correlation between Time & Frequency response – Polar plots – Bode Plots –
Determination of Transfer Function from Bode plot.

UNIT IV - STABILITY CONCEPTS & ANALYSIS 9+3
Concept of stability – Necessary condition – RH criterion – Relative stability – Nyquist
stability criterion – Stability from Bode plot – Relative stability from Nyquist & Bode –
Closed loop frequency response.

UNIT V - STATE VARIABLE ANALYSIS 9+3
Concept of state – State Variable & State Model – State models for linear &
continuous time systems – Solution of state & output equation – controllability &
observability.

Lecture – 45 Tutorial – 15 Total : 60 PERIODS

TEXT BOOK:
1. Nagrath I.J & M. Gopal, Control systems Engineering, 4th Edition, New Age International, New Delhi, 2005.
2. Benzamin C. Kuo, Automatic Control systems, 7th Edition, Prentice-Hall
(Pearson Education, Inc.), New Delhi, 2003.

REFERENCES:
1. Norman S. Nise, Control Systems Engineering, 4th Edition, John Wiley, New Delhi, 2007.
2. Richard C Dorf, Robert H Bishop, Modern control systems , 8th edition,
Prentice Hall (Pearson education, Inc.), New Delhi 2003.
3. Benzamin C. Kuo and Farid Golnaraghi, Automatic Control systems, 8th Edition, John Wiley, New Delhi, 2003.
4. Eronini umez – Eronini – System Dynamics & Control, Thomson, New Delhi, 1999.