Development of a Surface EMG Acquisition System with Novel Electrodes Configuration and Signal Representation

Surface EMG signal is a quite useful tool for both the clinical application and human-machine interface. This paper proposes a multi-channel sEMG acquisition system with a novel sEMG electrodes array using improved bipolar montage. The proposed array employs elastic fabric to fix 18 dry electrodes, which make it own the advantages of reusability, wearability and flexibility. Moreover, a new graphic presentation of forearm sEMG signal is proposed, from which muscular activities can be observed instinctively in the form of round image patterns. At the end of this paper, several groups of hand gestures are studied to show the potential of the proposed system.

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