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.