Introduction to control systems, Mathematical models of physical systems, Block diagram, Signal flow graph, Feedback control system characteristics, reduction of parameter variations, control over system dynamics and disturbance signals, Use of software tools to analyze and design of control system, Performance of feedback control systems.
Test input signals, transient and steady state response of second and higher order systems, Performance indices. Concept of Stability, Routh-Hurwitz Stability criterion, Root locus method, concept, procedure, Frequency response analysis, Bode plots, Polar plots.
Stability in the Frequency domain, Nyquist criterion, Nichol’s chart. Introduction to design of feedback systems, Lead-Lag compensation networks, PID controllers, Control system design case studies - Turbine governor, Robotic hand, ship steering.