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Control of a Hybrid Motor Prosthesis for the Knee Joint

Authors:Vallery Heike, Technische Universität München,, Germany
Stützle Thorsten, RWTH Aachen University, Germany
Buss Martin, TU München, Germany
Abel Dirk, RWTH Aachen University, Germany
Topic:4.5 Human Machine Systems
Session:Emotions and Human Behaviour
Keywords: redundant manipulators, adaptive control

Abstract

Functional Electrical Stimulation (FES) is used for gait restitution inparaplegic patients. One of the major problems is the heavily increased musclefatigue due to unphysiological stimulation. As a possible solution, this paperintroduces a hybrid neuroprosthesis for the knee joint, where muscle stimulation iscomplemented by a motor-driven exoskeleton. A control concept based on modelpredictive control is designed that employs both actuators cooperatively and variestheir participation corresponding to their capabilities.