A piezoelectric flow sensor for use as a wake-up switch for a wireless sensor network node

Yutaka Tomimatsu, Hidetoshi Takahashi, Kenta Kuwana, Takeshi Kobayashi, Kiyoshi Matsumoto, Isao Shimoyama, Toshihiro Itoh, Ryutaro Maeda

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Power management is a fundamental issue in wireless sensor networks. In this paper, a piezoelectric flow sensor is proposed for use as a wake-up switch in a wireless sensor node to reduce power consumption. A cantilever with a Pb (Zr, Ti) O3 (PZT) thin film detects airflow changes surrounding the wireless sensor node. A prototype of the flow sensor is used to determine the relationship between the change in flow velocity and piezoelectric voltage of the cantilever. The fabricated sensor generates a piezoelectric voltage of several millivolts when the flow velocity changes at a rate of approximately 1 m/s.

Original languageEnglish
Pages (from-to)893-897
Number of pages5
JournalMechatronics
Volume23
Issue number7
DOIs
Publication statusPublished - 2013 Oct 1
Externally publishedYes

Fingerprint

Wireless sensor networks
Switches
Sensor nodes
Flow velocity
Sensors
Electric potential
Electric power utilization
Thin films
Power management (telecommunication)

Keywords

  • Differential pressure sensor
  • Piezoelectric cantilever
  • Reduction of power consumption
  • Wake-up switch
  • Wireless sensor network

ASJC Scopus subject areas

  • Mechanical Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Tomimatsu, Y., Takahashi, H., Kuwana, K., Kobayashi, T., Matsumoto, K., Shimoyama, I., ... Maeda, R. (2013). A piezoelectric flow sensor for use as a wake-up switch for a wireless sensor network node. Mechatronics, 23(7), 893-897. https://doi.org/10.1016/j.mechatronics.2013.02.003

A piezoelectric flow sensor for use as a wake-up switch for a wireless sensor network node. / Tomimatsu, Yutaka; Takahashi, Hidetoshi; Kuwana, Kenta; Kobayashi, Takeshi; Matsumoto, Kiyoshi; Shimoyama, Isao; Itoh, Toshihiro; Maeda, Ryutaro.

In: Mechatronics, Vol. 23, No. 7, 01.10.2013, p. 893-897.

Research output: Contribution to journalArticle

Tomimatsu, Y, Takahashi, H, Kuwana, K, Kobayashi, T, Matsumoto, K, Shimoyama, I, Itoh, T & Maeda, R 2013, 'A piezoelectric flow sensor for use as a wake-up switch for a wireless sensor network node', Mechatronics, vol. 23, no. 7, pp. 893-897. https://doi.org/10.1016/j.mechatronics.2013.02.003
Tomimatsu, Yutaka ; Takahashi, Hidetoshi ; Kuwana, Kenta ; Kobayashi, Takeshi ; Matsumoto, Kiyoshi ; Shimoyama, Isao ; Itoh, Toshihiro ; Maeda, Ryutaro. / A piezoelectric flow sensor for use as a wake-up switch for a wireless sensor network node. In: Mechatronics. 2013 ; Vol. 23, No. 7. pp. 893-897.
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