Syllabus - SENSORS TECHNOLOGY (AB 502)

Automation and Robotics

SENSORS TECHNOLOGY (AB 502)

V-Semester

Unit 1

Introduction to Electronics Measurement and Instrumentation: Transducers and sensors- Accuracy and precisions, types of errors, statistical analysis, probability of errors, limiting errors, sensitivity, linearity, hysteresis, resolution, reproducibility, transfer function.

Unit 2

Temperature Sensors: Resistance Vs Temperature characteristics for different materials, Thermistors, Thermocouples - thermoelectric effects for thermocouples, thermocouple tables, RTD, Other Thermal Sensors

Unit 3

Pressure, force, displacement and weight measurement: Capacitive and inductive transducers, Displacement Sensor (LVDT), Strain Sensors – strain gauges, its principle, applications, types of strain gauges, Load cells, Piezo-electric sensors, Motion sensors.

Unit 4

Flow measurement: Basic principle of flow meter, Differential pressure flow meters, Variable area flow meter, Volumetric flow meter, Hotwire anemometer, Magnetic and ultrasonic flow meter, Rota meter, Hall effect transducer working and measurement techniques

Unit 5

Radio Frequency Sensing: Basic principle of EM fields, Antenna, RFID, Near Field and Far Field Sensing, Radar and Navigation, EMI & EMC sensing.

Course Objective

Introduce students to the principle of various Transducers, their construction, applications and principles of operation, standards and units of measurements. Provide students with opportunities to develop basic skills in the understanding the operation of electronic sensors based technology.

Practicals

  • Strain, Force, pressure, and torque measurement

    i. Strain measurement with Bridge Circuit ii. Beam force sensor using Strain Gauge Bridge iii. Beam deflection sensing with Strain Gauge Bridge iv. Diaphragm pressure sensor using Strain Gauge Bridge

  • Develop a displacement measurement system with the following sensors

    i. Inductive transducer (LVDT) ii. Hall effect sensor

  • Develop a sensor system for force measurement using piezoelectric transducer

  • Develop a temperature measurement system for a particular application using the suitable sensor.

    i. Thermocouple principles ii. ii. Thermistor and linearization of NTC Thermistor iii. iii. Resistance Temperature Detector iv. iv. Semiconductor Temperature sensor

  • Evaluate performance characteristics of different types of sensors

Reference Books

  • Curtis D. Johnson, “Process Control Instrumentation Technology”, Prentice Hall India.

  • D.V.S. Murty, “Transducers and Instrumentation”, Prentice Hall India.

  • Helfrick Albert D. and Cooper W. D., "Modern Electronic Instrumentation and Measurement Techniques", Prentice Hall India.

  • Kalsi H. S. "Electronic Instrumentation", Tata McGraw-Hill Education.

  • Shawhney A. K. "A Course In Electrical and Electronics Measurements and Instrumentation”, Dhanpat Rai& Sons, 11th Ed., 1999.

  • Bell David A. "Electronic Instrumentation and Measurements", PHI / Pearson Education.

  • Mathew Sadiku, “Elements of Electromagnetic”, PHI