EC 2255 - CONTROL SYSTEMSM |
UNIT ICONTROL SYSTEM MODELING |
Basic Elements of Control System – Open loop and Closed loop systems - Differential
equation - Transfer function, Modeling of Electric systems, Translational and rotational
mechanical systems - Block diagram reduction Techniques - Signal flow graph |
UNIT II TIME RESPONSE ANALYSIS |
Time response analysis - First Order Systems - Impulse and Step Response analysis of
second order systems - Steady state errors – P, PI, PD and PID Compensation, Analysis
using MATLAB |
UNIT IIIFREQUENCY RESPONSE ANALYSIS |
Frequency Response - Bode Plot, Polar Plot, Nyquist Plot - Frequency Domain
specifications from the plots - Constant M and N Circles - Nichol’s Chart - Use of
Nichol’s Chart in Control System Analysis. Series, Parallel, series-parallel Compensators
- Lead, Lag, and Lead Lag Compensators, Analysis using MATLAB |
UNIT IVSTABILITY ANALYSIS |
Stability, Routh-Hurwitz Criterion, Root Locus Technique, Construction of Root Locus,
Stability, Dominant Poles, Application of Root Locus Diagram - Nyquist Stability Criterion
- Relative Stability, Analysis using MATLAB |
UNIT VSTATE VARIABLE ANALYSIS & DIGITAL CONTROL SYSTEMS |
State space representation of Continuous Time systems – State equations – Transfer
function from State Variable Representation – Solutions of the state equations -
Concepts of Controllability and Observability – State space representation for Discrete
time systems. Sampled Data control systems – Sampling Theorem – Sample & Hold –
Open loop & Closed loop sampled data systems. |
Text Book |
1. J.Nagrath and M.Gopal,” Control System Engineering”, New Age International
Publishers, 5th Edition, 2007.
2. M.Gopal, “Control System – Principles and Design”, Tata McGraw Hill, 2nd
Edition, 2002. |
References |
1. Benjamin.C.Kuo, “Automatic control systems”, Prentice Hall of India, 7th
Edition,1995.
2. M.Gopal, Digital Control and State Variable Methods, 2nd Edition, TMH, 2007.
3. Schaum’s Outline Series,’Feedback and Control Systems’ Tata McGraw-
Hill, 2007.
4. John J.D’azzo & Constantine H.Houpis, ’Linear control system analysis and
design’, Tata McGrow-Hill, Inc., 1995.
5. Richard C. Dorf & Robert H. Bishop, “ Modern Control Systems”, Addidon –
Wesley, 1999. |
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