About: Using Eddy Current Measuring System for Conductivity Based Gas Sensor

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Methods of contactless measurements of electrical quantities represent generally an efficient way of avoiding measurement uncertainties and constructional problems caused by complicated phenomena occurring on the interface electrode electrolyte or electrode-semiconductor. Measurement of electromagnetic field generated by eddy-currents in conductive object is very often used for evaluation of object properties i.e., for diagnostic purposes. The same principle is theoretically applicable for measurement of electrical conductivity of the surface layer in semiconductor based gas concentration sensors. The aim of this article is to prove experimentally feasibility of eddy current methods for conductivity measurement of gas concentration sensors. On the basis of simplified electrical circuit model the optimization of measuring systems parameters is performed and the results of concentration measurement of H-2 and NO2 on laboratory prototype of gas sensor are introduced. Introductory experiments performed on sensor prototype using sophisticated impedance analyzer could serve for further development of the electrode-less semiconductor gas concentration sensors using simple impedance convertor in form of integrated circuit. Methods of contactless measurements of electrical quantities represent generally an efficient way of avoiding measurement uncertainties and constructional problems caused by complicated phenomena occurring on the interface electrode electrolyte or electrode-semiconductor. Measurement of electromagnetic field generated by eddy-currents in conductive object is very often used for evaluation of object properties i.e., for diagnostic purposes. The same principle is theoretically applicable for measurement of electrical conductivity of the surface layer in semiconductor based gas concentration sensors. The aim of this article is to prove experimentally feasibility of eddy current methods for conductivity measurement of gas concentration sensors. On the basis of simplified electrical circuit model the optimization of measuring systems parameters is performed and the results of concentration measurement of H-2 and NO2 on laboratory prototype of gas sensor are introduced. Introductory experiments performed on sensor prototype using sophisticated impedance analyzer could serve for further development of the electrode-less semiconductor gas concentration sensors using simple impedance convertor in form of integrated circuit. (en)
Title	Using Eddy Current Measuring System for Conductivity Based Gas Sensor Using Eddy Current Measuring System for Conductivity Based Gas Sensor (en)
skos:prefLabel	Using Eddy Current Measuring System for Conductivity Based Gas Sensor Using Eddy Current Measuring System for Conductivity Based Gas Sensor (en)
skos:notation	RIV/68407700:21230/13:00225422!RIV15-MSM-21230___
http://linked.open...avai/riv/aktivita	P V
http://linked.open...avai/riv/aktivity	P(GAP108/11/1298), V
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Ďaďo, Stanislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	113112
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00225422
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Gas Sensor; ITO; Eddy Currents; Impedance Measurement (en)
http://linked.open.../riv/klicoveSlovo	Eddy Currents ITO Impedance Measurement Gas Sensor
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9EA6D33012B3]
http://linked.open...i/riv/nazevZdroje	Sensor Letters
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Detection layers based on composites of organocomplexes and nanoparticles for chemical sensors
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Ďaďo, Stanislav Seidl, J. S. Hofmann, J. H. Jirešová, J. J.
http://linked.open...ain/vavai/riv/wos	000335871700009
issn	1546-198X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1166/sl.2013.3055
http://localhost/t...ganizacniJednotka	21230

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