A multi-variable detecting sensor and its application

Kenji Koyama, Kajiro Watanabe, Kazuyuki Kobayashi, Yosuke Kurihara, Tsukasa Ishigaki, Tomoyuki Higuchi

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

Any sensor to detect a certain physical variable is influenced to some degree by other physical variables designated as "noise". The objective in conventional sensor design is to minimize such noise. In this study, conversely we welcome sensing devices that are easily influenced by many physical variables and make full use of their multi-sensing characteristic. We consider such devices as multiple-inputs and single-output sensors. The output signal derived from multiple input signals must be dissociated. The input signals resulting from physical realities have inherent characteristics and can be mathematically modeled. Application of a Kalman filter realized by such models can provide estimates of state variables of all input models, and thus the input signals can be dissociated. As an example, a novel sensor based on a microphone is presented. It can detect various variables such as pressure and acceleration in the frequency range of 0.1 Hz to 10 kHz, temperature, and even light emission. We use the sensor to monitor the symptoms of fire, earthquake and break-in by intruders from within a house.

本文言語English
ホスト出版物のタイトル2006 SICE-ICASE International Joint Conference
ページ4134-4137
ページ数4
DOI
出版ステータスPublished - 2006 12 1
外部発表はい
イベント2006 SICE-ICASE International Joint Conference - Busan, Korea, Republic of
継続期間: 2006 10 182006 10 21

出版物シリーズ

名前2006 SICE-ICASE International Joint Conference

Other

Other2006 SICE-ICASE International Joint Conference
国/地域Korea, Republic of
CityBusan
Period06/10/1806/10/21

ASJC Scopus subject areas

  • コンピュータ サイエンスの応用
  • 制御およびシステム工学
  • 電子工学および電気工学

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