Android Based Fall Detection Alert System using Multi-Sensor

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2017 by IJETT Journal
Volume-46 Number-6
Year of Publication : 2017
Authors : Neha R. Singh, P.R. Rothe, A. P. Rathkanthiwar
DOI :  10.14445/22315381/IJETT-V46P252


Neha R. Singh, P.R. Rothe, A. P. Rathkanthiwar "Android Based Fall Detection Alert System using Multi-Sensor", International Journal of Engineering Trends and Technology (IJETT), V46(6),298-304 April 2017. ISSN:2231-5381. published by seventh sense research group

An enhanced fall detection system is proposed for elderly person monitoring that is based on-body sensor operating through consumer home networks. The on-body sensor which consists of accelerometer and cardiotachometer is used in this model. In this proposed system accelerometer measures overall vibration by means of using Signal Magnitude Vector and trunk angle. Here Signal Magnitude Vector is used to calculate the acceleration caused due to movement of the body with respect to xyz axis and trunk angle is used to calculate the posture of the elderly person during fall event. Cardio tachometer is used to measure the pulse rate. A typical fall event ends with the person lying on the ground or leaning on walls, or furniture that will cause a significant change in trunk angle. In this case, it is desirable to consider changes on the trunk angle to detect whether the detected acceleration was due to a fall event. The set values of acceleration and pulse provides accuracy to the system avoiding false detection. By utilizing information gathered from an accelerometer, cardiotachometer and smart sensors, the impacts of falls can be logged and distinguished from normal daily activities. This system is connected to GPS and GSM for communication purpose which is unique. When the fall is detected the GPS locates the exact fall location and GSM modem is used to transmit the message to the mobile phone of caretakers/relatives of the fallen subjects at that time also send their latitude and longitude value by using GPS.. This alert message helps to provide immediate assistance and treatment.


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Wireless Sensor Networks, Fall Detection System, Global Positioning System Accelerometer, Cardiotachometer.