Portable cyber-physical system for indoor and outdoor gas sensing

•Development and testing process for a cyber-physical system (CPS) capable of versatile gas sensor measurements.•The operability is validated in the mixture of air and hydrogen gas.•Sensors are fabricated by inkjet printing platinum decorated WO3 nanoparticles onto electrode pattern on Si substrate....

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Published inSensors and actuators. B, Chemical Vol. 252; pp. 983 - 990
Main Authors Järvinen, Topias, Lorite, Gabriela Simone, Rautio, Anne-Riikka, Juhász, Koppány Levente, Kukovecz, Ákos, Kónya, Zoltán, Kordas, Krisztian, Toth, Geza
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.11.2017
Elsevier Science Ltd
Subjects
C (programming language)
Chip carriers
CMOS
Cyber-physical systems
embedded systems
Environmental monitoring
Gas detectors
Gas sensors
Inkjet printing
Metal oxide semiconductors
Microcontrollers
Performance evaluation
Platinum
Portable equipment
Programming languages
Rapid prototyping
Scientists
Substrates
Tungsten
Wireless communications
Zinc oxides
Cyber-physical systems
embedded systems
gas sensors
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Summary:•Development and testing process for a cyber-physical system (CPS) capable of versatile gas sensor measurements.•The operability is validated in the mixture of air and hydrogen gas.•Sensors are fabricated by inkjet printing platinum decorated WO3 nanoparticles onto electrode pattern on Si substrate.•The CPS provides rapid prototyping capabilities for evaluating novel gas sensor materials in realistic measurement scenarios. A design, development and testing process for a cyber-physical system capable of versatile gas sensor measurement is described. Two approaches for the system are proposed; a stationary system for calibration and testing in laboratory environments and a portable system with wireless capability. The device utilizes a well-established Arduino microcontroller as well as a Raspberry Pi single board computer. The functionality is realized with C and Python programming languages. The operability is validated by system performance evaluation in the mixture of air and hydrogen gas, using both commercial and experimental Taguchi-type metal oxide semiconductor sensors. The experimental sensors are fabricated by inkjet printing platinum decorated tungsten oxide nanoparticles onto an electrode pattern on a silicon substrate which is then wire bonded to a chip carrier. The measurement platform demonstrated in our paper provides rapid prototyping capabilities for evaluating novel gas sensor materials in realistic measurement scenarios
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2017.06.102