Design And Development Of SEMG Acquisition System Using NI MyRIO For Prothesis Hand

Liao, Shing Wen (2016) Design And Development Of SEMG Acquisition System Using NI MyRIO For Prothesis Hand. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project presents the design and development of SEMG acquisition system using NI MyRIO for prosthesis hand.The number of amputees is increasing yearly due to war, accident, disease and etc. Hand is a very important part on human body. Without a hand, amputees will having difficulty in daily activity.In this project, Field Programmable Gate Array (FPGA) based embedded controller, NI MyRio is used as main controller of prosthesis hand. An Electromyography (EMG) acquisition circuit was built to acquire raw EMG signal. Human EMG signal located at 5~450Hz and 30~40mV. In order to acquire EMG signal, instrumental op-amp is used to capture EMG signal from muscle. NI MyRIO is used to process the raw signal to filter, amplify, rectify, and root mean square (RMS) is calculated in order to set condition for prosthesis hand control.A EMG signal acquisition circuit has been done to capture the EMG signal and be used by NI MyRIO, prosthesis hand was printed using 3D printer and controlled with the use of servo motor. When muscle contract during hand grabbing gesture, the prosthesis hand will perform the same gesture. A SEMG acquisition system had successfully designed and develop into prosthesis hand.

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