A System of Sports Monitoring and Fall Warning for Elderly

doi:10.3969/j.issn.1006-2475.2020.05.017

Abstract

Abstract: Physical exercise is one of the effective means to promote the old people’s health and longevity. In order to monitor the motion state of the elderly in real time, master the motion state parameters, and alarm the elderly for falls caused by an accident or a sudden disease, a portable human fall monitoring system is designed, which can monitor falls of the elderly in real time and send the location and alarm information to remote receiver. The system collects the motion attitude data of human body in real time by the three-axis acceleration sensor placed at the waist. The embedded processor and wireless network are used to realize data processing, wireless transmission and remote alarm. The three-level threshold human fall detection algorithm is used to extract the acceleration characteristics of human fall posture change, grade the human motion state, and predict the serious fall behavior. The experimental results show that the system has the characteristics of stable performance, high accuracy, light and convenient, which is very suitable for the elderly to wear and use, and can ensure the elderly movement safety, and has a broad application prospect.

Key words: fall detection, acceleration sensor, embedded processor, wireless transmission

CLC Number:

TP391

LIU Bo1, WANG Ming-wei2, CHANG Li-bo3. A System of Sports Monitoring and Fall Warning for Elderly[J]. Computer and Modernization, doi: 10.3969/j.issn.1006-2475.2020.05.017.

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