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Artificial limb control method based on multiple sensor fusion

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

Active Publication Date: 2018-11-06
SHANGHAI JIAO TONG UNIV
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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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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 an artificial limb control method based on multiple sensor fusion, and relates to the technical field of artificial limbs. The artificial limb control method includes: by the aid of a first sensor, collecting electromyographic signals of spontaneous contraction of forearm muscles of an amputee; by the aid of the first sensor, detecting information of a second sensor and judging a wrist direction of an artificial limb of the amputee; triggering a camera device through muscular contraction after a wrist of the artificial limb is adjusted to a suitable grabbing posture, and shooting a grabbed object with the camera device; according to the grabbed objected shot by the camera device, determining a grabbing mode of the artificial limb by the aid of a third sensor, and controlling grabbing strength, for the object, of the artificial limb according to muscular contraction proportion of the amputee; ungrabbing the object through the muscular contraction by the amputee.The artificial limb control method based on multiple sensor fusion has the advantages that the amputee is enabled to control the artificial limb spontaneously and more naturally, no training is required, better experience can be obtained, and the artificial limb is more convenient to 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 Applications(China)
IPC IPC(8): A61F2/70A61F2/72A61F2/58
CPCA61F2/583A61F2/72A61F2002/704
Inventor 盛鑫军吕博朱向阳
Owner SHANGHAI JIAO TONG UNIV
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