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A multi-sensor fusion prosthetic control method

A control method and multi-sensing technology, applied in the field of prosthetics, can solve the problems of training model failure, increasing the training burden of amputees, susceptibility to sweating, electrode position changes, etc.

Active Publication Date: 2021-02-09
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The basic assumption of the pattern recognition method is that the myoelectric signals of the same action are similar for many times or days. The pre-training model is invalid, and amputee patients need to be retrained continuously, which increases the training burden of amputee patients

Method used

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  • A multi-sensor fusion prosthetic control method
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Embodiment Construction

[0021] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

[0022] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.

[0023] Such as figure 1 As shown, the multi-sensor fusion prosthetic control method includes a multi-fingered dexterous prosthetic...

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Abstract

The invention discloses a prosthesis control method with multi-sensor fusion, relates to the field of prosthesis technology, and comprises the following steps: a first sensor collects the myoelectric signal of an amputee's forearm muscle when it voluntarily contracts; the first sensor detects a second The information of the sensor determines the wrist direction of the prosthetic hand of the amputee; after the wrist of the prosthetic hand is adjusted to a posture suitable for grasping, the camera is triggered by muscle contraction, and the camera captures the grasped object The third sensor determines the grasping mode of the prosthetic hand according to the grasped object captured by the camera device, and controls the grasping mode of the prosthetic hand to grasp the object through the muscle contraction ratio of the amputee; Grip strength; the amputee can let go of the grasped object through muscle contraction. This method can enable amputee patients to control the prosthetic hand autonomously, with more natural operation, no need for training process, more friendly experience and more convenient use.

Description

technical field [0001] The invention relates to the technical field of artificial limbs, in particular to a multi-sensor fusion artificial limb control method. Background technique [0002] According to the total population of my country in the sixth national census, the proportion of disabled persons in the total population of the country and the proportion of various types of disabled persons in the total number of disabled persons in the second national sample survey of disabled persons, the total number of disabled persons in my country at the end of 2010 is calculated. The number is 85.02 million, of which 24.72 million are physically disabled. Compared with the 24.12 million people with physical disabilities estimated by the National Bureau of Statistics in 2006, there are 600,000 new people with physical disabilities. For people with physical disabilities, it is of great social significance to wear functional prostheses to restore their motor ability and confidence in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/01A61F2/70A61F2/72A61F2/58
CPCA61F2/583A61F2/72A61F2002/704
Inventor 盛鑫军吕博朱向阳
Owner SHANGHAI JIAO TONG UNIV
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