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http://dx.doi.org/10.9723/jksiis.2016.21.2.031

Implementation of Fall Direction Detector using a Single Gyroscope  

Moon, Byung-Hyun (대구대학교 정보통신공학부)
Ryu, Jeong Tak (대구대학교 전자전기공학부)
Publication Information
Journal of Korea Society of Industrial Information Systems / v.21, no.2, 2016 , pp. 31-37 More about this Journal
Abstract
Falling situations are extremely critical events for the elderly person who requires timely and adequate emergency service. For the case of emergency, the information of falling and its direction can be used as an important information for the first aid treatment of the injured person. In this paper, a falling detection system which can pinpoint the falling event with the falling direction is implemented. In order to detect the fall situation, a single gyroscope (MPU-6050) is used in the developed system. The fall detection algorithm that can classify 8 different fall directions such as front, back, left, right and in between falls is proposed. The direction of the fall is decided by examining the acceleration values of X and Y directions of the sensor. It is shown that the proposed algorithm successfully detects the falling event and the falling direction with probability of 97% for a selected value of acceleration threshold.
Keywords
Fall direction detection algorithm; Gyroscope;
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