A smart, intermittent driven particle sensor with an airflow change trigger using a lead zirconate titanate (PZT) cantilever

Hidetoshi Takahashi, Yutaka Tomimatsu, Takeshi Kobayashi, Akihiro Isozaki, Toshihiro Itoh, Ryutaro Maeda, Kiyoshi Matsumoto, Isao Shimoyama

研究成果: Article査読

2 被引用数 (Scopus)

抄録

This paper reports on a smart, intermittent driven particle sensor with an airflow trigger. A lead zirconate titanate cantilever functions as the trigger, which detects an airflow change without requiring a power supply to drive the sensing element. Because an airflow change indicates that the particle concentration has changed, the trigger switches the optical particle counter from sleep mode to active mode only when the particle concentration surrounding the sensor changes. The sensor power consumption in sleep mode is 100 times less than that in the active mode. Thus, this intermittent driven method significantly reduces the total power consumption of the particle sensor. In this paper, we fabricate a prototype of the particle sensor and demonstrate that the optical particle counter can be switched on by the fabricated trigger and thus that the particle concentration can be measured.

本文言語English
論文番号025103
ジャーナルMeasurement Science and Technology
25
2
DOI
出版ステータスPublished - 2014 2 1
外部発表はい

ASJC Scopus subject areas

  • 器械工学
  • 工学(その他)
  • 応用数学

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