EC 9254 CONTROL SYSTEMS L T P C
3 1 0 4
UNIT I CONTROL SYSTEM MODELING 9
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 9
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 III FREQUENCY RESPONSE ANALYSIS 9
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 IV STABILITY ANALYSIS 9
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 V STATE VARIABLE ANALYSIS 9
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 –
Sampler & Hold – Open loop & Closed loop sampled data systems.
L:45,T:15 TOTAL: 60 PERIODS
TEXT BOOKS
1. J.Nagrath and M.Gopal,” Control System Engineering”, New Age International
Publishers, 5th Edition, 2007.
REFERENCES
1. Benjamin.C.Kuo, “Automatic control systems”, Prentice Hall of India, 7th Edition,1995.
2. M.Gopal, “Control System – Principles and Design”, Tata McGraw Hill, 2nd Edition, 2002.
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.
3 1 0 4
UNIT I CONTROL SYSTEM MODELING 9
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 9
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 III FREQUENCY RESPONSE ANALYSIS 9
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 IV STABILITY ANALYSIS 9
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 V STATE VARIABLE ANALYSIS 9
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 –
Sampler & Hold – Open loop & Closed loop sampled data systems.
L:45,T:15 TOTAL: 60 PERIODS
TEXT BOOKS
1. J.Nagrath and M.Gopal,” Control System Engineering”, New Age International
Publishers, 5th Edition, 2007.
REFERENCES
1. Benjamin.C.Kuo, “Automatic control systems”, Prentice Hall of India, 7th Edition,1995.
2. M.Gopal, “Control System – Principles and Design”, Tata McGraw Hill, 2nd Edition, 2002.
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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