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The subject in the introductory part explains and specifies the basic terms in sensor area: sensor, sensor system, static and dynamic sensor parameters, minimizing of influence of interfering input quantities and basic rules for projecting sensor systems. The specific part is focused on piezoelectric, SAW, optical sensors and biosensors (detailed explanation of transducing mechanism, sensor architecture, application, detection limits etc.).
Last update: TAJ444 (16.12.2013)
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The students will be able to explain basic principles of detecting both physical and chemical quantities by sensors to minimize both static and dynamic errors of sensors to apply basic rules for designing sensor systems to be skilled in piezoelectric sensors, SAWs, optical sensors and biosensors. Last update: TAJ444 (16.12.2013)
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R: Janata J., Principles of Chemical Sensors, Amamzon, New York, 2009, 0387699309 R: Korotcenkov G., Chemical Sensors Comprehensive Sensor Technologies: Volume 4, Solid State Sensors, Momentum Press, New York, 1606502336 Last update: Fialová Jana (26.09.2013)
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1. Historical introduction, sensor terminology, classification of sensors for physical and chemical input quantities, transducing mechanisms in sensing 2. Static and dynamic parameters of sensors, general methods for testing sensor parameters 3. Sources of errors in measurement by sensors and methods of their minimizing, method of differential sensor, method of feedback sensor 4. Method of compensating sensor, connection of sensors into Wheatstone bridge, elimination of parasitic input quantities 5. Basic principles of sensor system architecture - measuring chain, topology of sensor network, conditions for connecting individual sensor into the system 6. Sensor arrays (electronic nose, electronic tongue) and their application for improving selectivity of detection process, mathematical processing of sensor signal (Principal Component Analysis, Cluster Analysis) 7. Introduction to physics of semiconductors - the most frequently applied materials of sensitive layers 8. Semiconductor gas sensors - operation principle, equivalent circuit, measuring modes 9. Piezoelectric sensors - operation principle, applications in measuring deformation, force, acceleration, moment of force and vibrations 10. SAW sensors - operation principle, sensor architecture, measurement of mechanical quantities, applications for detection of chemical substances 11. Sensors of residual pressure in vacuum systems (dilatation vacuometer, molecular vacuometer, Pirani gauge, Penning gauge) 12. Optical sensors I - basic facts from optoelectronics, electroluminiscence diodes, semiconductor lasers, optical fibers, wavegiudes, photoresistors, photodiodes 13. Optical sensors II - solar cells, optical grid sensors, photoelasticity, Moire effect 14. Biosensors - basic facts, biocatalytic and bioaffinity sensors, molecular recognition, biosensors for in-vivo and in-vitro detection Last update: TAJ444 (27.08.2013)
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http:/www.journalselsevier.com/sensors-and-actuators-a-physical Last update: TAJ444 (27.08.2013)
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Physics I Last update: TAJ444 (27.08.2013)
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Teaching methods | ||||
Activity | Credits | Hours | ||
Účast na přednáškách | 1 | 28 | ||
Příprava na zkoušku a její absolvování | 3 | 84 | ||
Účast na seminářích | 1 | 28 | ||
5 / 5 | 140 / 140 |
Coursework assessment | |
Form | Significance |
Regular attendance | 20 |
Report from individual projects | 20 |
Oral examination | 60 |