**EE3503 Control Systems Study Materials**

Anna University – EE3503 Control Systems Regulation 2021 Syllabus , Notes , Important Questions, Question Paper with Answers Previous Year Question Paper.

**UNIT I MODELING OF LINEAR TIME INVARIANT SYSTEM (LTIV) EE3503 Control Systems Syllabus**

Control system: Open loop and Closed loop – Feedback control system characteristics – First

principle modeling: Mechanical, Electrical and Electromechanical systems – Transfer function

representations: Block diagram and Signal flow graph.

**UNIT II TIME DOMAIN ANALYSIS EE3503 Control Systems Notes**

Standard test inputs – Time response – Time domain specifications – Stability analysis: Concept of

stability – Routh Hurwitz stability criterion – Root locus: Construction and Interpretation. Effect of

adding poles and zeros

**UNIT III FREQUENCY DOMAIN ANALYSIS EE3503 Control Systems Important Questions**

Bode plot, Polar plot and Nyquist plot: – Frequency domain specifications Introduction to closed loop

Frequency Response. Effect of adding lag and lead compensators.

**UNIT IV STATE VARIABLE ANALYSIS ****EE3503 Control Systems Question Bank**

State variable formulation – Non uniqueness of state space model – State transition matrix –Eigen

values – Eigen vectors – Free and forced responses for Time Invariant and Time Varying Systems –

Controllability – Observability

**UNIT V DESIGN OF FEED BACK CONTROL SYSTEM** **EE3503 Control Systems Question Paper**

Design specifications – Lead, Lag and Lag-lead compensators using Root locus and Bode plot

techniques –PID controller – Design using reaction curve and Ziegler-Nichols technique- PID control

in State Feedback form.

Syllabus |
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Notes |
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Important Questions |
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Previous Year Question Paper |
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Question Bank |
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**TEXT BOOKS EE3503 Control Systems Notes**

1. Benjamin C. Kuo, “Automatic Control Systems”, 7th edition PHI Learning Private Ltd, 2010.

2. Nagarath, I.J. and Gopal, M., “Control Systems Engineering”, New Age International

Publishers 2010.

**REFERENCES ****EE3503 Control Systems Important Questions**

1. Richard C.Dorf and Bishop, R.H., “Modern Control Systems”, Education Pearson, 3

Impression 2009.

2. John J.D., Azzo Constantine, H. and Houpis Sttuart, N Sheldon, “Linear Control System

Analysis and Design with MATLAB”, CRC Taylor& Francis Reprint 2009.

3. Katsuhiko Ogata, “Modern Control Engineering”, PHI Learning Private Ltd, 5thEdition, 2010

4. NPTEL Video Lecture Notes on “Control Engineering” by Prof.S.D.Agashe, IIT Bombay.

**Related Links**

**Anna University Syllabus Regulation 2021**

**Anna University Regulation 2021 Study Materials**