Characteristics of tin oxide gas sensors for human vital signs during sleep

Takashi Oyabu, Takeshi Onodera, Haruhiko Kimura, Teruaki Katsube

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Daily human behavior in an indoor environment is identified, and activities are defined using outputs from four kinds of tin oxide gas sensors installed in the living room of a house. The beginning and end of indoor human activities and the ignition of an oil heater in the monitoring room can be recognized by analyzing the output patterns of the sensors. A frequency analyzing method is useful to recognize human behavior clearly. The sensor's output patterns while a person sleeps are also changed by the attributes of the subjects. The patterns fluctuate frequently for a young person but show no variation for an aged individual. A person generates some gases while sleeping; these gases have an effect upon the sensor output.

Original languageEnglish
Pages (from-to)25-34
Number of pages10
JournalSensors and Materials
Volume12
Issue number1
Publication statusPublished - Dec 1 2000
Externally publishedYes

Fingerprint

sleep
Tin oxides
Chemical sensors
tin oxides
human behavior
output
sensors
Sensors
Gases
gases
rooms
Ignition
Oils
heaters
ignition
Monitoring
oils
Sleep
stannic oxide

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Materials Science(all)

Cite this

Characteristics of tin oxide gas sensors for human vital signs during sleep. / Oyabu, Takashi; Onodera, Takeshi; Kimura, Haruhiko; Katsube, Teruaki.

In: Sensors and Materials, Vol. 12, No. 1, 01.12.2000, p. 25-34.

Research output: Contribution to journalArticle

Oyabu, Takashi ; Onodera, Takeshi ; Kimura, Haruhiko ; Katsube, Teruaki. / Characteristics of tin oxide gas sensors for human vital signs during sleep. In: Sensors and Materials. 2000 ; Vol. 12, No. 1. pp. 25-34.
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