EC2255-CONTROL SYSTEMS |
CONTROL 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 |
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 |
FREQUENCY 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. |
STABILITY 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 |
STATE 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. |
REFERENCE |
Text Books |
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. |
Reference Books |
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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