Predicting EMG Based Elbow Joint Torque Model Using Multiple Input ANN Neurons for Arm Rehabilitation

Jali, Mohd Hafiz and SARKAWI, HAFEZ and Ahmad Izzuddin, Tarmizi and Bohari, Zul Hasrizal and Sulaima, Mohamad Fani (2014) Predicting EMG Based Elbow Joint Torque Model Using Multiple Input ANN Neurons for Arm Rehabilitation. In: 2014 UKSim 14th International Conference on Modelling and Simulation, 26 - 28 March 2014, UK.

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This paper illustrates the Artificial Neural Network (ANN) technique to estimate the joint torque estimation model for arm rehabilitation device in a clear manner. This device acts as an exoskeleton for people who had failure of their limb. Arm rehabilitation device may help the rehab program to whom suffered with arm disability. The device used to facilitate the tasks of the program should improve the electrical activity in the motor unit and minimize the mental effort of the user. Electromyography (EMG) is the techniques to analyze the presence of electrical activity in musculoskeletal systems. The electrical activity in muscles of disable person is failed to contract the muscle for movements. To prevent the muscles from paralysis becomes spasticity the force of movements should minimize the mental efforts. Besides that, in order to minimize the used of mental forced for disable patients, the rehabilitation device can be utilize by analyzing the surface EMG signal of normal people that can be implemented to the device. The objective of this work is to model the muscle EMG signal to torque for a motor control of the arm rehabilitation device using ANN technique. The EMG signal is collected from Biceps Brachii muscles to estimate the elbow joint torque. A two layer feed-forward network is trained using Back Propagation Neural Network (BPNN) to model the EMG signal to torque value. The experimental results show that ANN can well represent EMG-torque relationship for arm rehabilitation device control.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Diploma Studies
Date Deposited: 25 Jul 2014 09:38
Last Modified: 28 May 2015 04:28
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