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Towards the Control of Individual Fingers of a Prosthetic Hand Using Surface EMG Signals
2007 / IEEE / 978-1-4244-0787-3
This item was taken from the IEEE Conference ' Towards the Control of Individual Fingers of a Prosthetic Hand Using Surface EMG Signals ' The fast pace of development of upper-limb prostheses requires a paradigm shift in EMG-based controls. Traditional control schemes are only capable of providing 2 degrees of freedom, which is insufficient for dexterous control of individual fingers. We present a framework where myoelectric signals from natural hand and finger movements can be decoded with a high accuracy. 32 surface-EMG electrodes were placed on the forearm of an able-bodied subject while performing individual finger movements. Using time-domain feature extraction methods as inputs to a neural network classifier, we show that 12 individuated flexion and extension movements of the fingers can be decoded with an accuracy higher than 98%. To our knowledge, this is the first instance in which such movements have been successfully decoded using surface-EMG. These preliminary findings provide a framework that will allow the results to be extended to non-invasive control of the next generation of upper-limb prostheses for amputees.
Medical Signal Processing
Surface Emg Signals
Time-domain Feature Extraction Methods
Neural Network Classifier
Time Domain Analysis
Finger Movement Control