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In this paper, a strategy for pathological tremor compensation based on co-contraction of antagonist muscles induced by Functional Electrical Stimulation (FES) is presented. Although one of the simplest alternatives to apply FES for reducing the effects of tremor, the contribution of different co- contraction levels for joint motion and impedance must be accurately estimated, specially since tremor...
This paper provides a general simulation study on tremor based on a modular neuromusculoskeletal model. It focuses on the peripheral mechanism. It is known that the reflex loops in the peripheral nervous system have influences on the tremor. A neuromusculoskeletal model with several reflex loops is developed to explore the dynamics of tremor. The muscle model is derived from a Hill-type muscle model...
A novel assistive system is designed to suppress pathological tremor of forearm via functional electrical stimulation (FES). It aims to attenuate the tremor with the minimum effect on the voluntary movement. Surface electromyograph (EMG) is adopted as the sensing feedback information to regulate FES. A two-stage filter is proposed to process the raw EMG signal. The first stage removes the artifacts...
In this paper, we propose a 1-DOF musculoskeletal model of the elbow joint that consists of a pair of antagonist muscles and one skeleton. Simulation based on the proposed model is performed to study the feasibility of tremor suppression via functional electrical stimulation (FES). In order to effectively attenuate pathological tremor of the movement disorder patients with minimal effect in the voluntary...
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