Compensators and Bode Plot - (ECE-2010)
SYLLABUS (This Document contains Module 3,6)
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.
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.
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.
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.
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