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Sathyabama Institute of Science and Technology B.E. - Electronics and Instrumentation Engineering SEIA1102 Sensors and Transducers Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF ELECTRICAL AND ELECTRONICS

SEIA1102 SENSORS AND TRANSDUCERS
L T P Credits Total Marks
3 0 0 3 100

UNIT 1 BASIC SENSORS 9 Hrs.
Introduction, Difference between Sensors and Transducers, Classification, Active and Passive transducers, Characteristics ,
Basic Requirements and Selection of Sensors and Transducers, Sensor for Motion and Position Measurement, GPS, INS,
Doppler, SONAR, Thermal Sensors - Gas Thermometric Sensors, Acoustic Temperature Sensor, Thermo-EMF Sensors,
NQR Thermometry, Heat Flux Sensor.

UNIT 2 RESISTIVE AND CAPACITIVE TRANSDUCERS 9 Hrs.
Mechanical Devices as Primary Detectors-Mechanical Springs, Proving Rings, Resistive Transducers - Principle of
operation, construction details, characteristics and applications of potentiometer, strain gauge - resistance thermometer, hotwire
anemometer, piezo-resistive sensor and humidity sensor, Capacitive Transducers- Principle of operation, construction
details, characteristics of capacitive transducers – Different types & Signal Conditioning – Applications:- Capacitor
microphone, Capacitive pressure sensor, Proximity sensor.

UNIT 3 INDUCTIVE AND OTHER TRANSDUCERS 9 Hrs.
Inductive transducers: Self inductive transducers, Mutual inductive transducer, – Principle of operation, construction details,
characteristics and applications of LVDT, Induction potentiometer – Variable reluctance transducers – Synchros – Microsyn
– Piezoelectric transducer – Hall Effect transducer – Magneto elastic sensor – Digital transducers – Fiber optic sensors.

UNIT 4 SMART SENSORS 9 Hrs.
Introduction to Smart Sensors and Semiconductor sensors, MEMS, MOEMS, Nano-sensors, SQUID Sensors, Thick & Thin
Film sensors ( Bio sensor & Chemical sensor)- Environmental Monitoring sensors (Water Quality & Air Pollution)- Basics of
Fabrication- Sensor Interface Systems.

UNIT 5 DATA ACQUISITION SYSTEMS 9 Hrs.
Introduction, Objectives and Configuration of Data Acquisition System, Data Acquisition Systems, Data Loggers, problems in
signal acquisition, Signal Processing Techniques: averaging, integrating, basic filtering techniques- Introduction, Functions
of Signal Conditioning Equipment, Amplification-Types of Amplifiers-optical amplifiers, Mechanical amplifiers, Data
Conversion. Data/Signal Transmission, Telemetry.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Describe the behavior of sensors and Transducers.
CO2 - Understand fundamental physical and technical base of sensors and Transducers.
CO3 - Explain the various types of Sensors & Transducers and their working principle.
CO4 - Understand the working of Resistive, Capacitive and Inductive transducers.
CO5 - Understand the working of smart sensors.
CO6 - Understand the concept behind data acquisition.

TEXT / REFERENCE BOOKS
1. Sawhney A.K., “Electrical & Electronic Measurements and Instrumentation”, Dhanpat Rai & Sons,18th Edn., 2010.
2. Doeblin E.O., “Measurement System Applications and Design”, TMH, 5th Edition, 2004.
3. Renganathan S., “Transducer Engineering” -Allied Publishers Limited, 2003.
4. Murthy D.V.S., “Transducer and Instrumentation”, PHI, 1st Edition, 2008.
5. Jacob Fraden "Handbook of modern sensors physics, designs and applications", 5th edition, Springer, 2015.
6. Pavel Ripka "Modern sensors handbook", ISTE Ltd, 1st edition, 2007.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each - No choice 20 Marks
PART B: 2 Questions from each unit of internal choice, each carrying 16 marks 80 Marks