Introduction to Control Systems, Types of control systems, Effect of feedback systems, Differential equations of physical systems – Mechanical systems- Friction, Translational systems(Mechanical accelerometer, Levered systems excluded), Rotational systems, Gear trains. Electrical systems, Analogous systems.
Transfer functions, Block diagrams, Signal Flow graphs (State variable formulation excluded).
Standard test signals, Unit step response of First and second order systems, Time response specifications, Time response specifications of second order systems,steady – state errors and error constants.
Concepts of stability, Necessary conditions for Stability, Routh-Hurwitz stability criterion, Relative stability analysis; Special cases of RH criterion.
Introduction, basic properties of root loci, Construction of root loci.
Introduction, Mathematical preliminaries, Nyquist Stability criterion, (Inverse polar plots excluded), Assessment of relative stability using Nyquist criterion, (Systems with transportation lag excluded).
Correlation between time and frequency response, Bode plots, All pass and minimum phase systems, Experimental determination of transfer functions, Assessment of relative stability using Bode Plots.
Concepts of state, state variable and state models for electrical systems, Solution of state equations.