NE7001 SENSING TECHNIQUES AND SENSORS - ANNA UNIVERSITY 1ST SEM CSE SYLLABUS REG-2013

ANNA UNIVERSITY, CHENNAI REGULATIONS - 2013 M.E. COMPUTER SCIENCE AND ENGINEERING NE7001 SENSING TECHNIQUES AND SENSORS OBJECTIVES:   To study the sensor characteristics and the fundamental principles of sensing  To understand the sensor interface electronics  To study selected motion-related sensors  To study light and radiation detectors  To study selected temperature sensors  To study selected chemical sensors UNIT I PRINCIPLES OF SENSING Data Acquisition – sensor characteristics – electric charges, fields, potentials – capacitance – magnetism – inductance – resistance – piezoelectric – pyroelectric – Hall effect – hermoelectric effects – sound waves – heat transfer – light – dynamic models of sensors UNIT II OPTICAL COMPONENTS AND INTERFACE ELECTRONICS Radiometry – Photometry – mirrors – lenses – fibre optics – concentrators – Interface circuits – amplifiers – light-to-voltage – excitation circuits – ADC – Digitization – Capacitance-to-voltage –bridge circuits – data transmission – noise in sensors and circuits – calibration – low power sensors UNIT III MOTION RELATED SENSORS Occupancy and motion detectors: ultrasonic – microwave – capacitive detectors – triboelectric – optoelectronic motion sensors – optical presence sensor – Pressure Gradient sensorsVelocity and acceleration sensors: Accelerometer characteristics – capacitative accelerometers – piezoelectric accelerometers – piezoresistive accelerometers – thermal accelerometers – Gyroscopes – piezoelectric cables – gravitational sensors UNIT IV LIGHT AND RADIATION DETECTORS Light Detectors: Photo diodes – photo transistor – photo resistor – cooled detectors – CCD and CMOS image sensors – thermal detectors – optical design – gas flame detectors Radiation Detectors: scintillating detectors – ionization detectors – cloud and bubble chambers UNIT V TEMPERATURE AND CHEMICAL SENSORS Temperature Sensors: coupling with objects – temperature reference points – thermo resistive sensors – thermo electric contact sensors – semiconductor sensors – acoustic sensors – piezoelectric sensors Chemical sensors: characteristics – classes of chemical sensors – biochemical sensors – multi-sensor arrays – electronic noses and tongues TOTAL: 45 PERIODS OUTCOMES: Upon Completion of the course,the students will be able to  Explain sensor characteristics  Explain the physics of sensors  Explain optical components of sensors  Apply sensor interface electronics  Choose and use appropriate motion-related sensors  Choose and use appropriate light and radiation detectors  Choose and use appropriate temperature sensors  Choose and use appropriate chemical sensors REFERENCE: 1. Jacob Fraden, "Handbook of Modern Sensors: Physics, Designs, and Applications", Fourth Edition, Springer, 2010.

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