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Vestibular Electrical Stimulation Spatial Disorientation Countermeasure Device Driven by Near Infrared Spectral Imaging

A near-infrared spectrum, space-oriented technology, applied in the direction of electrodes, electrotherapy, treatment, etc., can solve problems such as economic losses, flight accidents, personal injuries, etc., and achieve small signal delay time, high time resolution, and small footprint Effect

Active Publication Date: 2019-10-01
BEIHANG UNIV +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Because the pilot cannot realize the occurrence of the flight illusion in time and lacks effective countermeasures, spatial orientation disorder may cause serious flight accidents, resulting in huge economic losses and personal injuries

Method used

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  • Vestibular Electrical Stimulation Spatial Disorientation Countermeasure Device Driven by Near Infrared Spectral Imaging
  • Vestibular Electrical Stimulation Spatial Disorientation Countermeasure Device Driven by Near Infrared Spectral Imaging

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Embodiment example

[0044] First, install the near-infrared light source probe 7 and the near-infrared light receiver probe 8 on the mounting holes of the head cap 6 according to the pre-designed probe arrangement structure, and place the head cap 6 on the pilot's head to ensure that the probes are directly connected to the pilot's head. After being in close contact with the scalp, press the metal fixer 5 to fix the headgear.

[0045] Paste the ear mastoids on both sides of the pilot, electrode patches on the temples on both sides and between the eyebrows, and fix the five electrode patches 11 for vestibular electrical stimulation on the five electrode patches respectively.

[0046] Open the vestibular electrical stimulation control software in the control computer 3, and connect to the vestibular electrical stimulation device 9 through the Bluetooth module.

[0047] Connect the fNIRS main control box 1 to the control computer 3 through the connection line 2, open the fNIRS signal acquisition and...

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Abstract

The invention provides a device for monitoring whether a pilot has a flight illusion or not by combining a functional near infrared reflectance spectroscopic imaging device with a gyroscope, judging the type of the flight illusion and enabling a vestibular electrical stimulation device to send a corresponding stimulation sequence to resist the flight illusion in case of a certain flight illusion. The device comprises the functional near infrared reflectance spectroscopic imaging device for acquiring a blood oxygen concentration signal of the cerebral cortex of the pilot in a flying process, identifying the feature of the blood oxygen signal, and judging whether the flight illusion occurs, the gyroscope for detecting the motion condition of the head of the pilot, the vestibular electrical stimulation device for applying vestibular electrical stimulation and changing an input signal of the semicircular canal of the vestibular organ of a human body to resist the flight illusion, and a control computer for controlling a stimulation mode, a stimulation current mode, stimulation current intensity and stimulation time of the vestibular electrical stimulation device, and displaying relevant parameters in real time. The device provided by the invention can monitor the space cognitive state of a person in the flying process, and can apply the vestibular electrical stimulation in time in case of the flight illusion, so as to resist space disorientation.

Description

technical field [0001] The invention relates to the field of aeromedical engineering research, specifically a method of using a functional near-infrared spectral imaging system (fNIRS) combined with a gyroscope to monitor whether a pilot has a flight illusion, determine what kind of flight illusion it is, and trigger when a certain flight illusion occurs. A vestibular electrical stimulator that delivers a sequence of vestibular electrical stimulation to combat the illusion of flight. Background technique [0002] Spatial disorientation, also known as flight illusion, refers to the wrong perception of the aircraft and its own position, attitude, and trajectory during flight. If this kind of erroneous perception is not discovered and dealt with in time, it will easily lead to flight accidents. Current studies believe that the essence of spatial disorientation is that the human body's spatial orientation organs cannot meet the high-speed movement environment in the three-dimen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/1455A61B5/11A61N1/36A61N1/04A61N1/08
Inventor 李鸣皋蒲放李靖窦伟娜付慧杰杨阳
Owner BEIHANG UNIV
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