AP7006 SENSORS AND SIGNAL CONDITIONING L T P C 3 0 0 3
- To know the static and dynamic characteristics of measurement systems.
- To study about the various types of sensors viz. Resistive, Reactive, Self- generating.
- To know the different types digital and semiconductor sensors.
UNIT I INTRODUCTION TO MEASUREMENT SYSTEMS 9
Introduction to measurement systems: general concepts and terminology, measurement systems, sensor classification, general input-output configuration, methods of correction performance characteristics: static characteristics of measurement systems, accuracy, precision, sensitivity, other characteristics: linearity, resolution, systematic errors , random errors, dynamic characteristics of measurement systems: zero-order, first-order, and second-order measurement systems and response
UNIT II RESISTIVE SENSORS 9
Resistive sensors: potentiometers , strain gages and types, resistive temperature detectors (rtds) , thermistors , magneto resistors, light-dependent resistors (ldrs); Signal conditioning for resistive sensors: measurement of resistance , voltage dividers , Wheatstone bridge. Balance and deflection measurements , sensor bridge calibration and compensation instrumentation amplifiers , interference types and reduction
UNIT III REACTIVE SENSORS 9
Reactance variation and electromagnetic sensors : capacitive sensors – variable & differential, inductive sensors – reluctance variation, eddy current, linear variable differential transformers (lvdts) , variable transformers: synchros, resolvers, inductosyn , magneto elastic sensors, electromagnetic sensors – sensors based on faraday’s law, hall effect sensors, Signal conditioning for reactance variation sensors : problems and alternatives, ac bridges, carrier amplifiers – application to the lvdt, variable oscillators, resolver-to-digital and digital-to-resolver converters
UNIT IV SELF-GENERATING SENSORS 9
Self-generating sensors: thermoelectric sensors, piezoelectric sensors, pyroelectric sensors, photovoltaic sensors , electrochemical sensors, Signal conditioning for self-generating sensors: chopper and low-drift amplifiers, offset and drifts amplifiers , electrometer amplifiers, charge amplifiers, noise in amplifiers
UNIT V DIGITAL SENSORS AND SEMICONDUCTOR DEVICE SENSORS 9
Digital sensors: position encoders, variable frequency sensors – quartz digital thermometer, vibrating wire strain gages , vibrating cylinder sensors, saw sensors, digital flow meters, Sensors based on semiconductor junctions : thermometers based on semiconductor junctions, magneto diodes and magneto transistors, photodiodes and phototransistors, sensors based on mosfet transistors, charge- coupled sensors – types of CCD imaging sensors , ultrasonic-based sensors , fiber-optic sensors
TOTAL: 45 PERIODS
- Ramon Pallás Areny, John G. Webster, “Sensors and Signal Conditioning”, 2nd edition, JohnWiley and Sons, 2000
- D.Patranabis, “Sensors and Transducers”, TMH 2003
- Jon Wilson , “Sensor Technology Handbook”, Newne 2004.
- Herman K.P. Neubrat, “Instrument Transducers – An Introduction to Their Performance and Design”, Oxford University Press.
- E.O. Doeblin, “Measurement System : Applications and Design”, McGraw Hill Publications
- D. Johnson, “Process Control Instrumentation Technology”, John Wiley and Sons
- Kevin James, PC Interfacing and Data acquisition, Elsevier, 2011
- Graham Brooker, Introduction to Sensors for ranging and imaging, Yesdee, 2009
- Ian Sinclair, Sensors and Transducers, Elsevier, 3rd Edition, 2011
AP7006 SENSORS AND SIGNAL CONDITIONING SYLLABUS 2013 REGULATION Click Here To Download