Ultra-low power MEMS activity sensor for wireless health monitoring system

Hironao Okada; Hirofumi Nogami; Takeshi Kobayashi; Takashi Masuda; Toshihiro Itoh

doi:10.1541/ieejsmas.134.70

Ultra-low power MEMS activity sensor for wireless health monitoring system

Hironao Okada, Hirofumi Nogami, Takeshi Kobayashi, Takashi Masuda, Toshihiro Itoh

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

This paper presents the design and implementation of a MEMS activity sensor operating at less than 50 nW for monitoring of the simple health conditions of animals, particularly of chickens. The developed MEMS activity sensor includes a piezoelectric microcantilever, a low power comparator integrated with a CMOS multi-step voltage reference generator, and a counter. This system enables the realization of a wireless sensor node to work continuously for more than two years using a 1.55 V button battery weighing 0.5 g.

Original language	English
Pages (from-to)	70-71
Number of pages	2
Journal	IEEJ Transactions on Sensors and Micromachines
Volume	134
Issue number	3
DOIs	https://doi.org/10.1541/ieejsmas.134.70
Publication status	Published - Mar 12 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Electrical and Electronic Engineering

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10.1541/ieejsmas.134.70

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AU - Kobayashi, Takeshi

AU - Masuda, Takashi

AU - Itoh, Toshihiro

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Ultra-low power MEMS activity sensor for wireless health monitoring system

Abstract

All Science Journal Classification (ASJC) codes

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