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Nerve artificial limb hand driven and controlled by brain-computer interface and control method thereof

A technology of drive control and brain-computer interface

Inactive Publication Date: 2009-06-17
RES INST OF XIAN JIAOTONG UNIV & SUZHOU
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a neural prosthetic hand driven and controlled by a brain-computer interface and its control method, which solves the defects of easy muscle fatigue and poor repeatability when the myoelectrically controlled prosthetic hand is used in the prior art, and also creatively makes up for it. In the prior art, the defect that the EEG drive control has not yet been formed

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  • Nerve artificial limb hand driven and controlled by brain-computer interface and control method thereof
  • Nerve artificial limb hand driven and controlled by brain-computer interface and control method thereof
  • Nerve artificial limb hand driven and controlled by brain-computer interface and control method thereof

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Embodiment Construction

[0039] In order to describe the technical solution of the above-mentioned invention in more detail, the following inventors list specific examples to illustrate the technical effects; it should be emphasized that these examples are used to illustrate the present invention and not limit the scope of the present invention.

[0040] The embodiment is shown in Fig. 1, the neural prosthetic hand system driven and controlled by the brain-computer interface includes an international standard electrode EEG signal acquisition device, an EEG measurement amplifier, a PC and a prosthetic hand motor controller. The international standard electrode EEG signal acquisition device is set in the brain to collect EEG signals; the EEG measurement amplifier includes a signal amplifier to amplify the signal, a 45Hz low-pass filter preprocessing device, and a 50Hz notch filter preprocessing device. The PC is responsible for feature extraction and action pattern recognition of the EEG signals obtained...

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Abstract

The present invention discloses a prosthetic limb hand which is driven and controlled by brain-computer interface and a control method thereof. The prosthetic limb hand comprises the following components: a brain-electrical signal collecting device which is installed in the brain for collecting brain-electrical signal; a signal processing device which executes amplifying and filtering processing to the brain-electrical signal collected by the brain-electrical signal collecting device; a signal extracting recognizing transmitting device which executes characteristic extraction and action mode recognition to the brain-electrical signal obtained by the signal processing device and transmits the information to a prosthetic limb hand driving device; and the prosthetic limb hand driving device which drives the prosthetic limb hand to finish the corresponding action and feed back the action information when the information transmitted by signal extracting recognizing transmitting device is received. The prosthetic limb hand device according to the invention drives the prosthetic limb hand to finish the related action through brain-electric control, successfully prevent the problems of easy muscle fatigue, inferior repeatability, etc. caused by myoelectric control, can execute precise control to the prosthetic limb hand and realizes the hand function more ideally. The invention is suitable for driving control of prosthetic limb hand used by person with disabled upper arm.

Description

technical field [0001] The invention belongs to the field of human hand substitutes and its control, and in particular relates to a neural prosthetic hand system driven and controlled by a brain-computer interface and a control method thereof. Background technique [0002] The application of prosthetic hands for the disabled has generally been studied very early in countries all over the world. At present, the upper limb prosthetics used by the upper arm disabled are divided into bone type and shell type in terms of structure. In addition to meeting decorative or functional requirements, restoring or compensating some limb functions, they are also important for maintaining the balance of human physiological structure and preventing the trunk from tilting due to imbalance. Deformity plays an important role. [0003] Skeleton poses are generally decorative and cosmetic, and do not have real action functions. The shell type is generally functional in nature, and there are two...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/54A61F2/72
Inventor 张小栋戴文辉王云霞程志强刁卫锋
Owner RES INST OF XIAN JIAOTONG UNIV & SUZHOU
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