Syllabus

Unit 1: Introduction of Control system - Hours (04) - Weightage (5%)

Open and Close loop control system, LTI Control system, Basics of Laplace Transform and Inverse Laplace Transform, Concept of Impulse Response and Transfer function, standard test signals.

Unit 2: Mathematical Modeling of System - Hours (13) - Weightage (25%)

Mathematical Modeling of Electrical Elements, Mathematical Modeling of Mechanical System, Mechanical Electrical Analogy, Block Diagram Algebra, Signal Flow Graphs.

Unit 3: Time Response Analysis - Hours (07) - Weightage (20%)

Transient and steady state response, Stability and Sensitivity of a system, Disturbance Rejection, Standard Test signals and their Needs, Time response of First order system for standard test signals, Speed of Response, Unit impulse and Unit step response of second order system, Effect of Damping factor in Second Order System Performance, Time Domain Specifications, Steady State Error and Error Constants, Derivation of Steady State errors of system (type 0, type 1 type 2)

Unit 4: Stability Analysis and Root Locus Technique - Hours (10) - Weightage (25%)

Stability Criterion, Relationship between System parameters and pole locations, Hurwitz Stability Criterion, Routh Stability Criterion, Relative Stability Analysis, Root Locus method of Design, Value of Gain Margin and Phase margin from Root Locus, Effect of Addition/Cancellation of Poles and Zeros on Root Locus.

Unit 5: Frequency Response Analysis - Hours (11) - Weightage (25%)

Concept of Frequency Response, Frequency Domain Specifications. Bode plot: Sketch of the Bode plot, Calculate Gain and Phase Margin from Bode plot, Stability Analysis using Bode plot, and Transfer function from Bode plot. Polar plot: Sketch of the Polar Plot, Calculate Gain and Phase Margin from Polar plot, Stability analysis using polar plot.

Reference Books:

1. R. Anandanatarajan, P. Ramesh Babu, "Control Systems Engineering", Scitech Publications (India).

2. U. A. Bakshi, S. C. Goyal, "Feedback Control Systems", Technical Publications.

3. Smarajit Ghosh, "Control Systems: Theory and Applications", Pearson.

4. I. J. Nagrath, M. Gopal, "Control Systems Engineering", New Age International Publishers.

5. Katsuhiko Ogata, “Modern Control Engineering”, Prentice Hall.

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