3축 가속도 센서를 이용한 자세 및 활동 모니터링
Posture and activity monitoring using a 3-axis accelerometer
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Abstract
The real-time monitoring about the activity of the human provides useful information about the activity quantity andability. The present study implemented a smal-size and low-power acceleration monitoring system for convenientransmision of acceleration sensor signal, we developed a wireles transmission system based on a wireless sensornetwork. In addition, we developed a program for storing and monitoring wirelesly transmited signals on PC in real-time. The performance of the implemented system was evaluated by asesing the output characteristic of the systemacording to the change of posture, and parameters and acontext recognition algorithm were developed in order to monitoractivity volume during daily life and to recognize emergent situations such as falling. In particular, recognition error inthe sudden change of aceleration was minimized by the application of a faling correction algorithm
참고문헌 (11)
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