Sensors and Actuators (BEC755D)

Sensors and Actuators

Course Code BEC755D 
CIE Marks 50
Teaching Hours/Week(L:T:P) 3:0:0 
SEE Marks 50
Total Hours of Pedagogy 40 
Total Marks 100
Credits 03 
Exam Hours 3
Examination type (SEE) Theory

Module-1

Sensors and Transducers: Introduction, Definition of Sensors and Transducers, Classification of

Transducers, Advantages and Disadvantages of Electrical Transducers. (Text 1:16.1 to 16.4)

Measurement: Introduction to measurement and Instrumentation, Definition, significance of

Measurement, Methods of measurement, Modes of measurement, Elements of generalized

measurement system with example. Input-output configuration of measuring instruments and

measurement systems, Applications of measurement systems. (Text 1:3.1 to 3.7)

Module-2

Static and Dynamic Characteristics of instruments: Introduction, Definition relating to

measuring instruments.

Static characteristics - Accuracy, Errors and Correction, Static calibration Range and span. Scale

readability Repeatability and Reproducibility, Drift, Accuracy and Precision, Sensitivity,

Linearity, Hysteresis, Threshold and Resolution, Dead Zone and Dead Time, Loading Effects and

Noise.

Dynamic Characteristics– Dynamic Response, Dynamic characteristics of a measurement

system, Dynamic analysis of a measurement system, Zero, First and Second order system.

(Text 1: 3.8, 3.8.1 to 3.8.4.4)

Module-3

Measurement of Temperature: Introduction, Temperature measuring instruments, RTD,

Thermistors, Thermocouple Thermometers, Radiation Pyrometers, Optical Pyrometers.

(Text 1: 21.2, 21.2.1 to 21.2.7)

Measurement of Displacement: Introduction, Principles of Transduction –Variable resistance

devices, Variable Inductance Transducer, Induction Potentiometers, Synchros and Resolvers,

Variable Capacitance Transducer, Hall Effect Devices, Proximity Devices, Digital Transducer.

(Text 2: 4, 4.1 to 4.3)

Module-4

Measurement of Strain: Introduction, Factors affecting strain measurements, Types of Strain

Gauges, Theory of operation of resistance strain gauges, Types of Electrical Strain Gauges –Wire

gauges, unbounded strain gauges, foil gauges, semiconductor strain gauges, Thin film Guages

(principle, types & list of characteristics only), Strain gauge Circuits – Wheatstone bride circuit,

Applications. (Text 2: 5, 5.1 to 5.5, 5.8, 5.8.1, 5.10)

Measurement of Force & Torque: Introduction, Force measuring sensor –Load cells – column

types devices, proving rings, cantilever beam, pressductor. Hydraulic load cell, electronic

weighing system.

Torque measurement: Absorption type, transmission type, stress type & deflection type.

(Text 2: 10.1,10.2,10.2.1,10.2.2,10.2.3,10.2.6,10.7,10.8,10.9)

Module-5

Signal Condition: Introduction, Functions of Signal Conditioning Equipment, Amplification,

Types of Amplifiers, Mechanical Amplifiers Fluid Amplifiers, Optical Amplifiers, Electrical and

electronic Amplifiers. (Text 1: 17.1 to 17.8)

Data Acquisition Systems and Conversion: Introduction, Objectives and Configuration of Data

Acquisition System, Data Acquisition Systems, Data Conversion. (Text 1: 18.1 to 18.4)

Suggested Learning Resources:

Text Books:

1. Electrical and Electronic Measurements and instrumentation, R.K Rajput, S. Chand, 4th

Edition, 2015.

2. Instrumentation: Devices and Systems, C S Rangan, G R Sarma, V S V Mani, 2nd Edition

(32 Reprint), McGraw Hill Education (India), 2014.

Reference Books :

1. Electrical and Electronic Measurements and Instrumentation, A K Sawhney, 17th Edition,

(Reprint 2004), Dhanpat Rai & Co. Pvt. Ltd., 2004.

2. A Course in Electronics and Electrical Measurements and Instruments, J.B. Gupta, Katson

Books, 13th Edition, 2008.