06ES43 - CONTROL SYSTEMS |
PART – A |
UNIT – I :Modeling of Systems: |
The control system, Mathematical models of physical systems – Introduction, Differential equations of physical systems –
Mechanical systems, Friction, Translational systems (Mechanical
accelerometer, Levered systems excluded), Rotational systems, Gear trains,
Electrical systems, Analogous systems |
UNIT – II :Block diagrams and signal flow graphs: |
Transfer functions, Block diagram
algebra, Signal Flow graphs (State variable formulation excluded) |
UNIT – III :Time Response of feed back control systems: |
Standard test signals, Unit
step response of First and second order systems, Time response
specifications, Time response specifications of second order systems, steady
– state errors and error constants.
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UNIT – IV :Stability analysis: |
Concepts of stability, Necessary conditions for Stability,
Routh- stability criterion, Relative stability analysis; More on the Routh
stability criterion
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PART – B |
UNIT – V:Root–Locus Techniques: |
Introduction, The root locus concepts,
Construction of root loci. |
UNIT – VI :Stability in the frequency domain: |
Mathematical preliminaries, Nyquist
Stability criterion, (Inverse polar plots excluded), Assessment of relative
stability using Nyquist criterion, (Systems with transportation lag excluded).
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UNIT – VII :Frequency domain analysis: |
Introduction, Correlation between time and
frequency response, Bode plots, All pass and minimum phase systems,
Experimental determination of transfer functions, Assessment of relative
stability using Bode Plots.
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UNIT – VIII:Introduction to State variable analysis: |
Concepts of state, state variable
and state models for electrical systems, Solution of state equations.
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REFERENCE |
TEXT BOOKS: |
1. J. Nagarath and M.Gopal, “Control Systems Engineering”, New Age
International (P) Limited, Publishers, Fourth edition – 2005 |
Reference Books |
1. “Modern Control Engineering “, K. Ogata, Pearson Education Asia/
PHI, 4th Edition, 2002.
2. “Concepts of Control Systems”, P. S. Satyanarayana; Dynaram
publishers, Bangalore, 2001
3. “Control Systems – Principles and Design”, M. Gopal, TMH, 1999
4. “Feedback control system analysis and synthesis”, J. J. D’Azzo and
C. H. Houpis; McGraw Hill, International student Edition.
Question Paper Pattern: Student should answer FIVE full questions out of
8 questions to be set each carrying 20 marks, selecting at least TWO
questions from each part
COVERAGE IN THE TEXT BOOK:
UNIT 1: 1.1, 2.1, 2.2, 2.7
UNIT 2: 2.4, 2.5, 2.6, 2.7
UNIT 3: 5.1, 5.2, 5.3, 5.4, 5.5
UNIT 4: 6.1, 6.2, 6.4, 6.5, 6.6
UNIT 5: 7.1, 7.2, 7.3
UNIT 6: 9.1, 9.2, 9.3, 9.4,
UNIT 7: 8.1, 8.2, 8.4, 8.5, 8.6
UNIT 8: 12.1, 12.2, 12.3, 12.6
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