Control System Engineering

Basic Concepts of Control Systems, Open loop and closed loop systems, Servo Mechanism/Tracking System Mathematical Models of Physical Systems: Differential Equations of Physical Systems

Transfer functions, Block Diagram Algebra

Signal Flow Graphs

Control System Components & Mathematical Modelling Of Physical Systems

Rotational System,Mechanical Translational System,Representation By Nodal Method,Fluid Systems,Thermal System

Time response Analysis,Standard Test Signals, Time response of first order systems, Time Response of Second order systems, Steady State Errors and Static Error Constants of different types of systems, Effect of adding a zero to a system, Design specification of second order system, Performance indices.

The concept of stability, Necessary conditions for stability, Hurwitz Stability Criterion, Routh Stability Criterion, Relative Stability Analysis, More on Routh Stability Criterion

Introduction, Root locus Concepts, Construction of Root locus, Rout Contours, Systems with transportation lag. Sensitivity of the Roots of the Characteristics Equation

Frequency Response Analysis,Correlation between Time and Frequency Response, Polar plots, Bode plots, All Pass and Minimum- Phase Systems

Stability in Frequency Domain Mathematical Preliminaries, Nyquist Stability Criterion, Assessment of Relative stability using Nyquist Criterion, Closed loop Frequency Response, Sensitivity Analysis in Frequency Domain Closed loop frequency response: Constant M circles, Constant N-Circles, Nichol’s chart

Controllers