Title: Realisation of SEMG-based multifunctional prototype elbow prosthesis
Authors: Hardeep S. Ryait; A.S. Arora; Ravinder Agarwal
Addresses: BBSBEC Fatehgarh Sahib, SLIET Longowal and Thapar University, India ' BBSBEC Fatehgarh Sahib, SLIET Longowal and Thapar University, India ' BBSBEC Fatehgarh Sahib, SLIET Longowal and Thapar University, India
Abstract: Prosthetic devices employing myoelectric control systems are now widely accepted by upper-limb-deficient individuals. However, such devices are successfully fitted to below-elbow amputees to control a single function-opening or closing a prosthetic hand. In above-elbow amputees, the multifunctional control of artificial prosthetic device using myoelectric signals is of major importance. In this work, RMS value (Vrms) of SEMG was used to realise microcontroller-based artificial elbow. Microcontroller-based artificial elbow was designed to carter four elbow operations, i.e., elbow flexion, extension, pronation and supination movements. Myoelectric signals were recorded using Ag-AgCl surface electrodes from biceps and triceps branchii. A prototype was developed with control from single-channel and two-channel approaches. Depending on the available stump muscles, the selection of approach can be done.
Keywords: surface electromyography; elbow movement; multifunctional prosthesis; prosthetic devices; myoelectric control; elbow prosthesis; microcontrollers; flexion; extension; pronation; supination; above-elbow amputees.
International Journal of Biomedical Engineering and Technology, 2012 Vol.9 No.1, pp.72 - 87
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