JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction to Control Systems and Modeling of Dynamic Systems: Examples of Control Systems, Closed-Loop Control versus Open-loop Control; Transfer Function and Impulse-Response Function, Automatic Control Systems, Modelling in State Space, State- Space Representation of Dynamic Systems, Mechanical Systems, Electrical and Electronic Systems, Signal Flow Graphs, Linearization of Non-Linear Mathematical Models

UNIT - II

Transient and Steady-State Response Analysis: Introduction, First-Order Systems, Second-Order Systems, Higher-Order Systems, Transient-Response Analysis with MATLAB, Routh’s Stability Criterion, Effects of Integral and Derivative Control Actions on System Performance, Steady-State Errors in Unity-Feedback Control Systems

UNIT - III

Root-Locus Analysis: Root-Locus Analysis: Introduction, Root-Locus Plots, General Rules for Constructing Root Loci, Root-Locus Plots with MATLAB, Positive Feedback Systems, Conditionally Stable Systems, Root Loci for Systems with Transport Lag

UNIT - IV

Frequency Response Analysis: Introduction, Bode Diagrams, Plotting Bode Diagrams with MATLAB, Polar Plots, Drawing Nyquist Plots with MATLAB, Log-Magnitude-versus-Phase Plots, Nyquist Stability Criterion, Stability Analysis, Relative Stability, Closed-Loop Frequency Response of Unity-Feedback Systems

UNIT - V

Control Systems Design by Root-Locus Method and Frequency Response: Root-Locus Method- Introduction, Preliminary design considerations, lead compensation, lag compensation, lead-lag compensation, parallel compensation; Frequency Response Method- Introduction, lead compensation, lag compensation, lead-lag compensation.

TEXT-BOOKS:

• 1. Modern Control Engineering, Katsuhiko Ogata, 4th edition, Pearson Education International, 2002

REFERENCES:

• 1. Automatic Control Systems, Farid Golnargh and Benjamin C. Kuo, 9th edition, John Wiley & Sons, Inc, 2019
• 2. Control Systems Engineering, J. Nagarath and M.Gopal, New Age International (P) Limited, 4th edition, 2005.