Simultaneous, Proportional, Multi-axis Prosthesis Control using Multichannel Surface EMG
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Most upper limb prosthesis controllers only allow the individual selection and control of single joints of the limb. The main limiting factor for simultaneous multi-joint control is usually the availability of reliable independent control signals that can intuitively be used. In this paper, a novel method is presented for extraction of individual muscle source signals from surface EMG array recordings, based on EMG energy orthonormalization along principle movement vectors. In cases where independently-controllable muscles are present in residual limbs, this method can be used to provide simultaneous, multi-axis, proportional control of prosthetic systems. Initial results are presented for simultaneous control of wrist rotation, wrist flexion/extension, and grip open/close for two intact subjects under both isometric and non-isometric conditions and for one subject with transradial amputation.
[1] Kevin B. Englehart,et al. A robust, real-time control scheme for multifunction myoelectric control , 2003, IEEE Transactions on Biomedical Engineering.
[2] Richard F. Weir. The great divide - the human-machine interface. Issues in the control of prostheses, manipulators, and other human machine systems , 2003, 2003 IEEE 29th Annual Proceedings of Bioengineering Conference.