Unit- I:
Sensors & Transducer: Definition, Classification & selection of sensors, Measurement of displacement
using Potentiometer, LVDT & Optical Encoder, Measurement of force using strain gauge, Measurement
of pressure using LVDT based diaphragm & piezoelectric sensor.
Unit-II:
Measurement of temperature using Thermistor, Thermocouple & RTD, Concept of thermal imaging,
Measurement of position using Hall effect sensors, Proximity sensors: Inductive & Capacitive, Use of
proximity sensor as accelerometer and vibration sensor, Flow Sensors: Ultrasonic & Laser, Level
Sensors: Ultrasonic & Capacitive.
Unit -III:
Virtual Instrumentation: Graphical programming techniques, Data types, Advantage of Virtual
Instrumentation techniques, Concept of WHILE & FOR loops, Arrays, Clusters & graphs,
Structures: Case, Sequence & Formula nodes, Need of software based instruments for industrial
automation.
Unit-IV:
Data Acquisition Methods: Basic block diagram, Analog and Digital IO, Counters, Timers, Types of
ADC: successive approximation and sigma-delta, Types of DAC: Weighted Resistor and R-2R
Ladder type, Use of Data Sockets for Networked Communication.
Unit V:
Intelligent Sensors: General Structure of smart sensors & its components, Characteristic of smart sensors:
Self calibration, Self-testing & self-communicating, Application of smart sensors: Automatic robot
control & automobile engine control.