Fundamentals of Measurement Systems, Instrument Types and Performance Characteristics, sources of error, classification and elimination of error, uncertainty analysis- statistical analysis of experimental data, curve fitting.
Signal conditioning, amplifiers, and filter, Wheatstone bridge, Analog to Digital and Digital to Analog Circuits.
Pressure Measurement: Elastic transducers, Bourdon gauge, Bellows, Diaphragm. Flow measurement: Turbine meter, hot-wire anemometer and Laser Doppler Anemometer. Level Measurement: Float gauge, Capacitive and ultrasonic level sensors.
Introduction to control systems – open and closed loop control systems – Modeling of simple mechanical and electrical systems – transfer functions – block diagrams and its reduction techniques, signal flow graphs.
Time response characteristics of control systems – Time response of first order systems – response to step, ramp and impulse – Time response of second order system to step input – time domain specifications and steady state error
Stability analysis of control systems- concept of poles and zeros- Routh Hurwitz criterion- simple examples- root locus technique
Frequency Response- Frequency Response specifications, Bode diagram, Polar Plot and Nyquist Plot, Stability analysis using Nyquist Stability Criterion, Relative stability, Gain and Phase Margin. Lag-Lead Compensation, Control systems analysis and design in state space
Basic control actions: Introduction to PI, PD and PID controllers, Design of a PID controller with Ziegler-Nichols rule