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Figure 7 | Journal of NeuroEngineering and Rehabilitation

Figure 7

From: Control of thumb force using surface functional electrical stimulation and muscle load sharing

Figure 7

2D force control. Example of responses to the target set points for the best (H5; top-left) and the worst (H1; bottom-left) healthy subject and for the best (S4; top-right) and worst (S2; bottom-right) stroke subject. Top panes of each figure show results of solely feedforward control; bottom panes show results for feedforward and feedback control. 0.5 N targets (left) and 1.0 N targets (right) are shown separately for readability. The colored dotted lines show the measured force response to a target set point shown by the same colored circle in the plane perpendicular to the thumb. For every 100ms in the response a dot was plotted to give an indication of the speed of the force response.

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