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Detection of Cognitive Injured Body Region Using Multiple Triaxial Accelerometers for Elderly Falling

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4 Author(s)
Chin-Feng Lai ; Department of Engineering Science, National Cheng Kung University, Tainan, Taiwan ; Sung-Yen Chang ; Han-Chieh Chao ; Yueh-Min Huang

This paper aimed to use several triaxial acceleration sensor devices for joint sensing of injured body parts, when an accidental fall occurs. The model transmitted the information fed by the sensors distributed over various body parts to the computer through wireless transmission devices for further analysis and judgment, and employed cognitive adjustment method to adjust the acceleration range of various body parts in different movements. The model can determine the possible occurrence of fall accidents, when the acceleration significantly exceeds the usual acceleration range. In addition, after a fall accident occurs, the impact acceleration and normal (habitual) acceleration can be compared to determine the level of injury. This study also implemented a sensing system for analysis. The area of the body parts that may sustain greater impact force are marked red in this system, so that more information can be provided for medical personnel for more accurate judgment.

Published in:

IEEE Sensors Journal  (Volume:11 ,  Issue: 3 )