5EE3 CONTROL SYSTEMS

Unit-1

Introduction:

Elements of control systems, concept of open loop and closed loop systems.,

Examples and application of open loop and closed  loop systems,  brief idea of multivariable

control systems.

Unit-2

Mathematical Modeling of Physical Systems:

Representation of physical system (Electro

Mechanical) by differential equations, Determination of transfer function by block diagram

reduction techniques and signal flow method, Laplace transformation function, inverse

Laplace transformation.

Unit-3

Time Response Analysis of First Order and Second Order System:

Characteristic

equations, response to step, ramp and parabolic inputs, transient response analysis, steady state

errors and error constants, Transient & steady state analysis of LTI systems.

Unit-4

Stability of the System:

Absolute stability and relative stability, Routh’s stability criterion,

root locus method of analysis, polar plots, Nyquist stability criterion. M and N Loci, Nichols

chart.

Unit-5

Elementary Ideas of Compensation, Networks:

Lag, lead and log lead networks, brief idea

of proportional, derivative and integral controllers