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Changes in predictive motor control in drop-jumps based on uncertainties in task execution

Leukel, Christian ; Taube, Wolfgang ; Lorch, Michael ; Gollhofer, Albert

In: Human Movement Science, 2011, p. -

Drop-jumps are controlled by predictive and reactive motor strategies which differ with respect to the utilization of sensory feedback. With reaction, sensory feedback is integrated while performing the task. With prediction, sensory information may be used prior to movement onset. Certainty about upcoming events is important for prediction. The present study aimed at investigating how...

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Feedback control of oxygen uptake during robot-assisted gait

Pennycott, Andrew ; Hunt, Kenneth J. ; Coupaud, Sylvie ; Allan, David B. ; Kakebeeke, Tanja H.

In: IEEE Transactions on Control Systems Technology, 2010, vol. 18, no. 1, p. 136-142

Body-weight-supported robot-assisted devices can be used to promote gait rehabilitation and as exercise tools for neurologically impaired persons such as stroke and spinal-cord-injured patients. Here, we propose a novel feedback-control structure for real-time control of oxygen uptake during robot-assisted gait, in which we use the following methods. 1) A feedback-control structure is proposed,...

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