Design on fall detection system using Micro-Electro-Mechanical System (MEMS) accelerometer and gyroscope

Chong, Kooi Lim (2013) Design on fall detection system using Micro-Electro-Mechanical System (MEMS) accelerometer and gyroscope. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A fall detection monitoring system is commonly used for reducing set of cost of talcing care of disable people and elderly citizen. This project presents a fall detection monitoring system using Micro-Electro-Mechanical System (MEMS) sensors. MEMS is the technology where the electronic components are integrated into small chip whjch normally involves mechanjcal moving parts. In this project, MEMS accelerometer and gyroscope sensors are used to detect fall. Accelerometer is a device that measure acceleration level and a gyroscope is a device for measuring the change of angle of rotation or orientation. The signal generated from these sensors will be fed into a microcontroller. A fall is identified when there is a sudden change of displacement which will be picked by both the sensors. The microcontroller is programmed to indicate the fall by activating a buzzer. The main objective of this project is to design the fall monitoring system which can be used for elderly patients and those who suffer from walking difficulties. It has been shown in the experiment that a fall is detected when angle of degree is not in the range of --90° to 90°. At the end ofthe project, a prototype of the fall detection is being developed.

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