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분야
공학 > 전기공학
저자
박근철 ( Geun Chul Park ) , 전아영 ( A Young Jeon ) , 이상훈 ( Sang Hoon Lee ) , 손정만 ( Jung Man Son ) , 김명철 ( Myoung Chul Kim ) , 전계록 ( Gye Rok Jeon )
발행기관
한국센서학회
간행물정보
센서학회지 2013년, 제22권 제1호, 54~64페이지(총11페이지)
파일형식
26401577.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    In this study, we developed a falling recognition system to transmit SMS data through CDMA communication using a three axises acceleration sensor and a two axises gyro sensor. 5 healthy men were selected into a control group, and the fall recognition system using the three axises acceleration sensor and the two axises gyro sensor was devised to conduct an experiment. The system was attached to the upper of their sternum. According to the experiment protocol, the experiment was carried out 3 times repeatedly divided into 3 specific protocols: falling during gait, falling in stopped state, and falling in everyday life. Data obtained in the falling recognition system and LabVIEW 8.5 were used to decide if falling corresponds to that regulated in an analysis program applying an algorithm proposed in this study. In addition, results from falling recognition were transmitted to designated cellular phone in a SMS (Shot Message Service) form. These research results show that an erroneous detection rate of falling reached 19% in applying an acceleration signal only; 6% in applying an angular velocity; and 2% in applying a proposed algorithm. Such finding suggests that an erroneous detection rate of falling is improved when the proposed algorithm is applied incorporated with acceleration and angular velocity. In this study therefore, we proposed that a falling recognition system implemented in this study can make a contribution to the recognition of falling of the aged or the disabled.
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