UEI302 SENSORS AND SIGNAL CONDITIONING

 

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Prerequisite(s): None

 

 

 

 

 

Introduction: Definition, Application and types of measurements, Instrument classification, Functional elements of an instrument, Input-output configuration of measuring instruments, Methods of correction for interfering and modifying inputs, Standards, Calibration, Introduction to Static characteristics and Dynamic characteristics,

Selection of instruments, Loading effects.

 
Generalized Static Stiffness and Input Impedance: Generalized impedance and stiffness concepts, Static stiffness and static compliance, Impedance matching and maximum power transfer.


Error Analysis: Types of errors, Methods of error analysis, Uncertainty analysis, Statistical analysis, Gaussian error distribution, Chi-Square test, Correlation coefficient, Studentís t-test, Method of least square, Curve fitting, Graphical analysis, General consideration in data analysis, Design of Experiment planning.

 

Sensors/Transducers: Definition, Types, Basic principle and applications of Resistive, Inductive, Capacitive, Piezoelectric and their Dynamic performance. Fiber optic sensors, Bio-chemical sensors, Hall-Effect, Photoemissive, Photo Diode/ Photo Transistor, Photovoltaic, LVDT, Strain Gauge Digital transducers: Principle, Construction, Encoders, Absolute and incremental encoders, Silicon micro transducers.

 

Signal Conditioning: Operational Amplifiers: application in instrumentation, Charge amplifier, Carrier amplifier, Introduction to active filters, Classification, Butterworth, Chebyshev, Couir filters, First order, Second order and higher order filters, Voltage to frequency and frequency to voltage converters.



Text Books

  1. Doebelin, E.O. and manic, D.N., Measurement Systems: Applications and Design, McGraw-Hill (2004) 5th ed.
  2. Nakra, B.C. and Chaudhry, K.K., Instrumentation, Measurement and Analysis, Tata McGraw Hill (2003).

 

Reference Books

  1. Murthy, D.V.S., Transducers and Instrumentation, Prentice Hall of India (2003).
  2. Sawhney, A.K. and Sawhney, puneet, A Course in Electrical and Electronic Measurements and Instrumentation, Dhanpat Rai (2008) 18th ed.