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Wearable Wireless system with embedded real-time fall detection logic for elderly assisted living applications

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3 Author(s)
Wenxu Bao ; State-Key Lab. of ASIC & Syst., Fudan Univ., Shanghai, China ; Yun Chen ; Xiaoyang Zeng

In recent years, the old people's accidental falling down has become a serious problem, which caused thousands of death of elderly each year. In this article, we designed a falling down detection system to enhance the security of the elderly. It is a Wireless sensor system which contains a wearable terminal and a coordinator, both of which communicate with ZigBee protocol. The wearable terminal detects people's instantaneous acceleration and transmits the signal to coordinator and PC for further process. To determine whether the falling action happens, we designed a fall detection algorithm by exploring the 3D-acceleration difference between falling down and ADL (activies of daily living, such as walk, sit down). So the system could judge the fall action in high rate of accuracy.

Published in:

Solid-State and Integrated Circuit Technology (ICSICT), 2012 IEEE 11th International Conference on

Date of Conference:

Oct. 29 2012-Nov. 1 2012