On-line estimation method of elbow joint torque under functional electrical stimulation

A functional electrical stimulation, joint torque technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as relatively large testing site requirements, limited testing results by reverse biomechanical analysis, and expensive equipment.

Inactive Publication Date: 2019-01-01
FUZHOU UNIV
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Problems solved by technology

The force measurement method has problems such as incorrect detection results due to gravity and limited application scenarios
The detection results of the reverse biomechanical analysis method are limited by the musculoskeletal model, and the requirements for the detection site are relatively large and the equipment is expensive
The f

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  • On-line estimation method of elbow joint torque under functional electrical stimulation
  • On-line estimation method of elbow joint torque under functional electrical stimulation
  • On-line estimation method of elbow joint torque under functional electrical stimulation

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Embodiment Construction

[0072] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0073] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0074] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention relates to an on-line estimation method of elbow joint torque under functional electrical stimulation, the musculoskeletal model is pre-modeled by off-line acquisition of joint torque, angle and angular velocity data, and then real-time acquisition of joint angle and angular velocity signals, real-time adaptive updating of the parameters of the pre-modeling musculoskeletal model system, so as to achieve online estimation of torque. The invention realizes on-line estimation of torque through real-time acquisition of joint angle and angular velocity signals.

Description

technical field [0001] The invention relates to the technical field of functional electrical stimulation, in particular to an online estimation method of elbow joint torque under functional electrical stimulation. Background technique [0002] In recent years, the incidence of paralysis caused by spinal cord injury and stroke and other cerebrovascular diseases has shown a significant upward trend. Both individuals and families have brought greater burdens and become an increasingly serious social problem. In the process of human upper limb movement, the elbow joint and its affiliated muscles play a vital role. The elbow joint can complete related actions such as flexion and extension, forearm internal rotation and external rotation. Elbow joint rehabilitation training plays an important role in improving the activities of daily life of hemiplegic patients. At present, functional electrical stimulation is generally considered to be an effective clinical tool in the rehabili...

Claims

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Application Information

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IPC IPC(8): A61B5/00A61B5/11
CPCA61B5/1121A61B5/4528A61B5/458
Inventor 李玉榕陈文鑫陈军
Owner FUZHOU UNIV
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