Polar Plot - (ECE-2010)

SYLLABUS (This Document contains Module 6)

 Module:1 Introduction to Control Systems:

Basic block diagram of control system, Control schemes – Open loop and closed loop, Applications and scope.

Module:2 Mathematical Modeling of Physical Systems: 

Differential equation, Difference equation, and State variable representations, Mathematical modeling of electrical and mechanical systems, Equivalence between the elements of different types of Systems, Transfer function, Block diagram – Manipulation of block diagrams, Open loop transfer function and closed loop transfer function, Signal flow graph.

Module:3 Controller and Compensator Design

Controllers – P, PI, PID controllers, Realization of basic compensators, Cascade compensation in time domain and frequency domain, Feedback compensation, Design of lag, lead, lag-lead series compensator, Introduction to control system components: DC and AC Servo motors, Stepper motor and Synchros.

Module:4 Time Domain Response:

Steady state and transient response, Time domain specifications, Types of test inputs, Response of first order and second order systems, Steady state error, error constants, generalized error coefficient.

Module:5 Characterization of Systems:

Stability – Concept and definition, Poles, Zeros, Order and Type of systems; R-H criteria, Root locus
analysis.

Module:6 Frequency Domain Response:

Frequency response – Performance specifications in the frequency domain, Phase margin and gain
margin, Bode plot, Polar plot and Nyquist plot, Stability analysis in frequency domain.

Module:7 State Space Analysis: 

Concept of state and state variable, Modeling of systems using state variables, Coordinate transformations and canonical realizations, Solution of state variables, Controllability and observability.