A wearable sense of balance monitoring system towards daily health care monitoring

Soichiro Matsushita, Toshihiko Oba, Kazuoki Otsuki, Masao Toji, Junichi Otsuki, Kaoru Ogawa

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

We implemented a wearable system for detecting accelerations of the user's head while standing still for the purpose of developing a daily health care application. A 2- axis accelerometer was attached on the top of the user's head to separately detect faint accelerations in both the front to back and right to left directions. The total weight of the headset device is only 195 grams including a 9V NiMH battery. This paper presents the results of several experiments performed with the headset system. First, we observed healthy subjects under normal conditions and recorded typical accelerations in the range of 10-30 milli-Gs, which was sufficient to be detected by the system's sensitivity. We then performed numerical analysis on traces of acceleration patterns for a specific user in different conditions. From these analyses we found that the total length of 2-dimensional acceleration pattern trace and a high frequency spectrum (2Hz-10Hz) of right/left acceleration were related to the physical condition of the user. The wearable headset device can be carried to anywhere the user goes and the diagnosis of the wearer's physical condition only requires that the user stand still for 30 seconds, showing that this system can be used for daily health care monitoring.

本文言語English
ホスト出版物のタイトルProceedings - 7th IEEE International Symposium on Wearable Computers, ISWC 2003
ページ176-183
ページ数8
出版ステータスPublished - 2003
外部発表はい
イベント7th IEEE International Symposium on Wearable Computers, ISWC 2003 - White Plains, NY, United States
継続期間: 2003 10 212003 10 23

出版物シリーズ

名前Proceedings - International Symposium on Wearable Computers, ISWC
ISSN(印刷版)1550-4816

Other

Other7th IEEE International Symposium on Wearable Computers, ISWC 2003
国/地域United States
CityWhite Plains, NY
Period03/10/2103/10/23

ASJC Scopus subject areas

  • ソフトウェア
  • ハードウェアとアーキテクチャ
  • コンピュータ ネットワークおよび通信

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