Course Details
Subject {L-T-P / C} : EC6306 : Sensor Signal Processing { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Sougata Kumar Kar
Syllabus
Module 1: Introduction: Instrumentation and measurement system, Sensors, Sensors classification, Static and Dynamic characteristics of measurement system, Materials for sensors, Micro-sensor technology,
Module 2: Data acquisition:Single and multichannel, Input interfacing for resistive, capacitive, inductive, electromagnetic and self-generating sensors, Amplifiers: Single ended and differential Amplifier, Trans-impedance Amplifier, Instrumentation amplifier, Charge amplifier, Switched Capacitor amplifier, Logarithmic amplifier, Exponential amplifier,
Module 3: Filters:Continuous and Sample data filter, Active filter, Second order filter architectures, single amplifier - multiple amplifier structures, cascaded filter, Switched capacitors filter, Current-mode filter
Module 4: Interference: Interference types and reduction, Signal circuit grounding, Shield grounding, Isolation amplifier. Offset and Noise reduction techniques: Auto-zeroing, Chopper-stabilization, Correlated double sampling,
Module 5: Sigma-Delta modulation. Data Conversion: Analog Multiplexer, Sampling theorem, Sample and hold circuits, Aliasing error, Anti-aliasing filter, A/D and D/A converters, Sigma-Delta data converter.
Course Objectives
- Understanding and learning of sensor interfacing techniques for sensors like resistive, capacitive, inductive etc.
- Leaning of different components of signal processing circuits like amplifiers, filters, ADCs etc.
Course Outcomes
A graduate will be able to analyse and design different signal processing circuits for various sensor applications, will be able to improve the performance of the system utilizing techniques of noise reduction, reduction of non-idealities etc.
Essential Reading
- Ramon Pallas-Areny and John G. Webster, Sensors and Signal Conditioning, Wiley India Pvt Ltd , 2nd Edition, 2012
- Ramon Pallas-Areny and John G. Webster, Analog Signal Processing, Wiley India Pvt Ltd , 2nd Edition, 2012
Supplementary Reading
- Anton F. P. van Putten, Electronic Measurement Systems, Theory and Practice, IOP Publishing
- Rolf Schaumann, Haiqiao Xiao, and Mac Van Valkenburg, Analog Filter Design, Oxford University Press , 2nd Edition, 2013
Journal and Conferences
- IEEE Transactions on Instrumentation and Measurement
- IEEE Sensors Journal