Portable cyber-physical system for indoor and outdoor gas sensing

Topias Järvinen, Gabriela Simone Lorite, Anne Riikka Rautio, Koppány Levente Juhász, Á. Kukovecz, Z. Kónya, Krisztian Kordas, Geza Toth

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

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

Original languageEnglish
Pages (from-to)983-990
Number of pages8
JournalSensors and Actuators, B: Chemical
Volume252
DOIs
Publication statusPublished - Jan 1 2017

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Keywords

  • Cyber-physical systems
  • embedded systems.
  • gas sensors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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