55 results about "Mental fatigue" patented technology

The invention discloses a transcranial electrical stimulation control method and system for regulating mental fatigue, and belongs to the technical field of mental state regulation. The system comprises an EEG collecting and processing module and an electrical stimulation module which are in wireless communication to form a closed loop. The EEG collecting and processing module collects a forehead lobe three-lead EEG signal, after preprocessing (baseline drift and high-frequency interference are removed through FIR filtering, and eye movement artifacts are removed through combination of wavelet transform and Kalman filtering), the mental fatigue state is classified through an onboard lightweight convolutional neural network (CNN) algorithm, and a control command is generated; the electrical stimulation module receives the command, generates bipolar pulse width modulation transcranial direct current stimulation (tPWMDCs) current, and stimulates the prefrontal lobe. Local low-power-consumption reasoning of EEG signals is achieved, tPWMDCs avoid skin injury, a closed-loop system dynamically adapts to individual differences, portability, safety and accuracy are achieved, and the system is suitable for driving, office and other scenes.

The invention discloses a preparation method of a fructus cannabis protein peptide product with effects of resisting fatigue and improving exercise ability, which comprises the following steps: performing preliminary crushing, ultralow-temperature freezing micro-crushing and low-temperature continuous phase-change extraction degreasing on fructus cannabis, performing step-by-step hydrolysis by using polysaccharase and 2.4 L bacterial protease to extract fructus cannabis protein, performing low-temperature salting-out, and performing freeze-drying to obtain the fructus cannabis protein peptide product with the effects of resisting fatigue and improving exercise ability. The fructus cannabis protein peptide powder is prepared through low-temperature ultrasonic dissolution promotion, high-pressure micro-jet homogenization, compound enzyme C hydrolysis, 1% pepsase, high-temperature enzyme deactivation, chlorophyll removal through counter-current extraction, hydrogen peroxide decoloration, ultralow-temperature instantaneous concentration, low-temperature vacuum belt type drying and low-temperature ultrahigh-pressure sterilization. The fructus cannabis protein peptide prepared by the invention has the following remarkable effects: 1, the exercise ability is remarkably improved, the accumulation of lactic acid and urea nitrogen is reduced, the exhaustion time is prolonged, and the physical and mental fatigue is relieved; 2, the content of hepatic glycogen and muscle glycogen is obviously increased, the energy reserve of the body is increased, the explosive power and the reactivity are improved, and the athletic performance is improved; and 3, the antioxidant level of the body is improved, and fatigue and immune recovery after exercise are promoted.

The application provides a wearable portable hairband for mental fatigue detection and intervention, a flexible conductive polymer dry electrode is embedded in the inner side of the hairband, the dry electrode is attached to the scalp through mechanical pressure, and thus inductive collection is realized without conductive paste; the output end of the dry electrode collection signal is directly connected to a collection front end located at the side edge of the hairband through FPC, the front end is integrated with an amplifier and an analog-to-digital converter, weak electrical signals on the cerebral cortex are amplified and converted into a data format; a SoC chip is selected as a processor to build a full-integrated edge computing platform inside the flexible fabric hairband, and the calculation task of mental fatigue detection is sunk to the hairband end; an ultrathin bone conduction unit is used as an acoustic output component, which is connected through a flexible circuit and embedded in the inner side of the hairband corresponding to the anatomical site of the user's temple, when the mental fatigue detection result triggers the fatigue warning threshold, a binaural rhythm intervention module is activated to perform binaural rhythm intervention. The application can perform mental fatigue detection and intervention.

Traditionally, it has been impossible to understand a person's physical and mental state using information about their behavior. [Solution] An action analysis device 10 comprises a knowledge storage unit 1011 that stores a physical strength score, which is the degree of recovery or depletion of the user's physical strength when an action is performed, and a mental strength score, which is the degree of recovery or depletion of mental fatigue, in association with two or more action information that identifies the user's actions; a reception unit 102 that receives user action information; a score acquisition unit 1031 that obtains the physical strength score and mental strength score associated with the action information received by the reception unit 102 from the knowledge storage unit 1011; and a score output unit 1041 that outputs the physical strength score and mental strength score obtained by the score acquisition unit 1031 in an associated manner. This device allows a person's physical and mental state to be grasped using a person's action information.

The present application relates to the field of mental fatigue model, and aims to solve the problems of long cycle and complex detection method in establishing mental fatigue model, and provides a method for constructing zebrafish mental fatigue model and application thereof.The method for constructing zebrafish mental fatigue model is as follows: 2-5 dpf zebrafish is given 100% white light and dark alternating stroboscopic cycle stimulation for 0-24 h; then cognitive response behavior analysis is carried out on the zebrafish.The present application constructs a zebrafish model of mental (brain) fatigue induced by white light stroboscopic stimulation, and explores a mental (brain) fatigue model induced by physical stimulation to simulate the environment and life and learning pressure in life.The present application also provides application of the zebrafish mental fatigue model constructed by the method, which is used for evaluating the anti-mental fatigue efficacy of drugs, health foods, foods or medical devices; and is used for mental (brain) fatigue cognitive test, memory test, learning test, reaction ability test and motor ability test of zebrafish.

A system for determining pilot cognitive states, includes one or more processors coupled to a memory configured to receive physiological data and aircraft state data, determine mental workload and mental fatigue of a pilot based on the physiological data, determine available attention resources of the pilot based on the mental workload and mental fatigue, determine attention allocation of the pilot based on the available attention resources and gaze patterns derived from the physiological data, determine situational awareness of the pilot based on the attention allocation and the aircraft state data, and generate a visualization of the available attentional resources of the pilot, the attention allocation of the pilot, the situational awareness of the pilot, and aircraft state data.

The invention relates to an expiratory gas marker for evaluating a mental fatigue state, and a method and a device for identifying the mental fatigue state. The expired gas marker at least comprises an organic compound combination consisting of oxalic acid, 3-phenyllactic acid, benzene, acetone and 3-methylpentane; oxalic acid, 3-phenyllactic acid, benzene, acetone and 3-methylpentane in exhaled air are associated with mental fatigue, and a brand-new biomarker combination with higher specificity is provided. In addition, a new modal metabolic data is provided for mental fatigue discrimination, and a multi-modal mental fatigue diagnosis model based on VOCs-HRV-PVT is constructed.

Pilot Cognitive Reasoning System and Method. A system for determining a pilot's cognitive state includes one or more processors coupled to a memory, the processors being configured to receive physiological data and aircraft status data; determine the pilot's mental workload and mental fatigue based on the physiological data; determine the pilot's available attentional resources based on the mental workload and mental fatigue; determine the pilot's attention allocation based on the available attentional resources and a gaze pattern derived from the physiological data; determine the pilot's situational awareness based on the attention allocation and the aircraft status data; and generate visualizations of the pilot's available attentional resources, the pilot's attention allocation, the pilot's situational awareness, and the aircraft status data.

The present disclosure provides a mental fatigue real-time monitoring method and system based on the back of the neck skin temperature, relates to the technical field of mental fatigue detection, and comprises the following steps: acquiring real-time back of the neck skin temperature of a target user in a monitoring period; calculating the back of the neck skin temperature change amount in real time based on the initial back of the neck skin temperature of the monitoring period; inputting the back of the neck skin temperature change amount into a constructed mental fatigue scoring model to evaluate the mental fatigue degree and obtain a mental fatigue score; and classifying the mental fatigue state according to the mental fatigue score to obtain the real-time mental fatigue state of the target user in the monitoring period; the present disclosure predicts the current mental fatigue degree of the target user by collecting the back of the neck skin temperature in real time, and provides protection for the work efficiency and physical health of personnel.

This invention discloses a traditional Chinese medicine composition, preparation, and its application in the preparation of a drug for treating postoperative cancer-related fatigue in thyroid cancer patients. The traditional Chinese medicine composition comprises the following components in parts by weight: 30-50 parts raw Astragalus membranaceus, 5-20 parts stir-fried Atractylodes macrocephala, 5-20 parts Curculigo orchioides, 5-20 parts Epimedium brevicornu, 5-20 parts Prunella vulgaris, 5-20 parts Dendrobium nobile, and 5-20 parts Lycium barbarum. This invention combines raw Astragalus membranaceus, stir-fried Atractylodes macrocephala, Curculigo orchioides, Epimedium brevicornu, Prunella vulgaris, Dendrobium nobile, and Lycium barbarum. Through the rational combination of these raw materials, it can effectively improve immune function, relieve physical and mental fatigue, and improve the quality of life of postoperative thyroid cancer patients.

The utility model provides a kind of abdomen massage health machine, belong to health machine technical field, its structure includes shell group, and shell group is by cross arm and massage seat integration, the massage seat bottom surface is covered with head cover, the right side tail of massage seat is covered with tail cover, massage end is sleeved in the cavity between the massage seat and head cover, the left side cavity of cross arm is sleeved with aromatherapy drive end, the left side top surface of cross arm is sleeved with operating panel, the health machine of this product has music play, and aromatherapy gas cooperates to relax mood, self-relief stress, it also has high-frequency vibration massage function to relieve muscle soreness, so that users can quickly relieve physical and mental fatigue after high-intensity work every day, the product is integrated by a variety of functions, so that use is more convenient, without the cooperation of a variety of different function equipment, practicality is strong.

The application discloses a mental fatigue monitoring method and system based on alar skin temperature, comprising the steps of acquiring alar skin temperature data and environmental temperature data, preprocessing the alar skin temperature data, constructing a low-temperature compensation model, performing dynamic calibration, and obtaining an alar skin temperature threshold; calculating an alar skin temperature change amount, extracting time domain features of the alar skin temperature, and inputting the alar skin temperature change amount and the time domain features into a pre-trained evaluation model to output a mental fatigue grade score; comparing the mental fatigue grade score with a preset fatigue threshold, and outputting a fatigue state judgment result according to the comparison result. The application can accurately output a fatigue grade, ensure accurate and reliable judgment, and provide scientific and convenient mental fatigue monitoring.

The invention discloses a patch for removing fatigue, which comprises a backing layer, a medicine layer and a protective layer, the medicine layer is prepared from the following raw materials in parts by weight: 35-85 parts of traditional Chinese medicine active ingredients, 8-35 parts of plant essential oil, 10-45 parts of amino acids, 4-25 parts of vitamins, 2-15 parts of minerals, 8-40 parts of a transdermal enhancer, 60-150 parts of a matrix material, 3-20 parts of a humectant, 1-10 parts of an antioxidant, 0.5-5 parts of a stabilizer and 3-20 parts of a soothing agent; the traditional Chinese medicine composition can comprehensively relieve physical fatigue, mental fatigue and metabolic fatigue. The composite penetration enhancer is adopted, fat-soluble and water-soluble penetration enhancing components are combined, active components with different polarities can be adapted, the skin cuticle structure is effectively improved, the effective components are promoted to rapidly and uniformly penetrate through the skin barrier, and meanwhile stimulation of a single penetration enhancer to the skin is avoided.

The invention relates to a general situation of a product, namely a technical formula and a preparation method of a medicinal and edible multifunctional anthocyanin health-preserving beverage. 2, the invention solves the substantive problems of users, and provides a medicinal and edible formula capable of solving depression and visual impairment; the tea has the effects of regulating three highs, reducing blood pressure, reducing blood fat, reducing blood sugar, treating cardiovascular and cerebrovascular diseases, treating apoplexy, nourishing and protecting liver, treating kidney deficiency, treating mental and physical exhaustion, enhancing intelligence, improving immunity, treating lung cough, treating stomachache, treating mental and physical exhaustion, maintaining beauty and keeping young, resisting aging, having a cell regeneration function, supplementing protein, resisting cancer, diabetes, cancer and the like. And 3, the chronic diseases puzzle the normal life of people for a long time, and the physical and psychological health is in vicious circle. And 4, the problem is solved from the root of the disease, so that the user is not wound and painful by the disease. And 5, the user is helped to change from a chronic disease and sub-healthy state to a healthy state, so that the body and mind keep a healthy and virtuous circle.

The application discloses a kind of flying disc shooting training mental fatigue intelligent identification and evaluation method, it is related to flying disc shooting training monitoring technical field, the specific steps of this method are as follows: with firearm firing electric signal as time zero anchoring time sequence window, as unified reference;Synchronous acquisition event-related potential signal in corresponding window, extract nerve potential feature and bind;Action and performance characteristics are synchronously collected throughout, and are homologous with nerve characteristics Binding;Based on individualized threshold, identify mental fatigue using three-level linkage rule;Finally, with continuous effective shooting as unit, fatigue classification evaluation is completed;The application builds standardized time reference, realizes the homologous synchronization of multiple devices, constructs linkage feature system, improves the accuracy and stability of mental fatigue identification;Establish marksman individualized reference threshold system, complete mental fatigue classification evaluation, combined with shooting decision link, locate deviation link, provide quantitative guidance for training adjustment, optimize control mode, improve training scientific nature and efficiency.

The invention discloses a brain fatigue multi-modal evaluation method and system for a video operator, and belongs to the technical field of multi-modal data processing, and the method comprises the following steps: video data preprocessing, two-dimensional feature evaluation and monitoring result determination. The method comprises the following steps: collecting face video data of a target operator through a non-contact camera deployed in a specified operation area, preprocessing the video data, then carrying out two-dimensional feature extraction on the face video data subjected to the video data preprocessing to obtain a bimodal feature parameter, and meanwhile, carrying out two-dimensional feature evaluation on a brain fatigue state to obtain a brain fatigue state. And finally, according to a result of two-dimensional feature evaluation, judging a brain fatigue state monitoring result, constructing a dynamic self-adaptive and personalized evaluation criterion, providing operable and hierarchical decision support, and solving the problems of relatively low multi-modal data accuracy, relatively high reliability and the like in the prior art. And the reliability of mental fatigue assessment is not high.

The application discloses a refreshing and brain-awakening compound essential oil and belongs to the technical field of aromatic health care. The refreshing and brain-awakening compound essential oil is prepared from base oil compounded with essential oil of grandis, rosemary essential oil, lemon essential oil, sweet orange essential oil, frankincense essential oil and sandalwood essential oil, and can refresh and brain-awaken, relieve emotions, improve attention and relieve mental fatigue. The formula is natural, mild, safe and free of dependence, simple to prepare and suitable for being used in daily office work, study and the like.

The present application relates to the field of microbial sampling and detection, and particularly relates to a mouse experimental E. coli sampling and detection device. The technical problem to be solved is that when sampling and detecting E. coli in the intestinal tract of a mouse, the attention of manual operation needs to be highly concentrated, and it is easy to cause physical and mental fatigue, and the intestinal tract will be damaged if a little carelessness. In addition, the existing technology cannot remove the fat tissue existing on the outer surface of the intestinal tract, thereby affecting the sampling and detection result. The technical scheme is as follows: a mouse experimental E. coli sampling and detection device, comprising a sampling box and a fixing assembly. The first clamp block and the second clamp block are respectively arranged on the left end and the right end of the intestinal tract of the mouse to fix the intestinal tract, the injection tube is used to inject sterile water into the inside of the intestinal tract to flush, the cleaning of the intestinal tract of the mouse is completed, the pressure of manual operation is reduced, and the accidental damage of the intestinal tract of the mouse caused by manual operation is reduced.

The application discloses a sleep-aiding eyeshade for relieving physical and mental fatigue, and belongs to the technical field of eyeshade physiotherapy, which comprises an eyeshade main body, a power supply, a drive control module and a function module, the drive control module comprises a chip processing unit, a data acquisition unit and a control output unit, and the drive control module is electrically connected with the power supply; the function module comprises one or more of a heating module, a refrigeration module, a sound prompting module, a light guiding module or a vibration module, the sleep-aiding eyeshade can heat each acupoint of the eye frame according to the physiological characteristics of the human body through the heating module, adopts a unique cold and hot combination mode, cools the forehead part through the refrigeration module, relaxes the eyes and the brain in a targeted manner, and eliminates the physical and mental fatigue; the sleep-aiding eyeshade is also based on mindfulness therapy, utilizes vibration and light to guide the breathing of a person, and effectively relieves negative emotions such as anxiety, compulsion and depression.

This invention relates to a real-time assessment and prediction method for mental fatigue based on multimodal signals and deep learning, addressing the problem that existing mental fatigue monitoring technologies rely heavily on static feature analysis of single physiological signals. First, it integrates dynamic brain function network features from electroencephalography (EEG) with time-frequency domain features of EEG to achieve feature fusion driven by multi-domain EEG features. Further, it automatically associates PPG signals with fatigue stages based on weighted K-means clustering, using the center value of heart rate to calibrate the fatigue level, eliminating the need for subjective labeling and achieving objective recalibration of mental fatigue levels. Finally, it uses a temporal deep convolutional network model to achieve real-time assessment and prediction of mental fatigue levels. This invention can accurately assess and predict mental fatigue levels in real time, and issue warning signals to operators with high levels of mental fatigue, providing technical support for real-time monitoring and warning of mental fatigue, and further reducing the rate of operational errors caused by mental fatigue.

The invention belongs to the technical field of natural medicines and pharmacology, and particularly relates to a raspberry extract as well as a preparation method and application thereof. Aiming at the problems of brain fatigue and functional hypomnesia caused by high-intensity brainwork of middle-aged and young people below 50 years old in the modern society, the invention provides a preparation process of a targeted enriched active monomer, which comprises the following steps: by taking dried raspberry fruits as a raw material, firstly, carrying out reflux degreasing with n-hexane to remove fat-soluble impurities; and sequentially extracting the degreased filter residues step by step by using ethanol with different concentrations, combining extracting solutions, and concentrating and drying to obtain the traditional Chinese medicine composition. The extract obtained by the preparation process can remarkably improve dysmnesia induced by scopolamine and inhibit the activity of acetylcholin esterase, is suitable for preparing products for relieving mental fatigue and improving learning efficiency, and does not relate to treatment of degenerative diseases such as senile dementia.

This invention discloses a plant essential oil spray with anti-anxiety and antidepressant effects and its preparation process, available in daytime and nighttime versions. The plant essential oil mixture is prepared by coupled flash extraction with anhydrous ethanol and 1-octyl-3-methylimidazolium bromide, followed by microfiltration-nanofiltration and vacuum distillation. The excipients and essential oils are then mixed and bottled into spray bottles equipped with an automatic spraying device to obtain the daytime and nighttime plant essential oil sprays. The daytime version stimulates the autonomic nervous system, reduces mental fatigue, improves cognitive mood, and exerts an anti-anxiety effect during the day; the nighttime version regulates neurotransmitter levels, significantly calms and soothes the mind, and adapts to the differences in human mood and nervous state between day and night. This invention features high extraction efficiency, stable essential oil quality, and the product possesses both anti-anxiety and antidepressant effects. It is convenient to use, highly safe, and suitable for daily mood regulation, psychological stress relief, and intervention for anxiety and depression tendencies.

When working on Sudoku puzzles with small numbers and squares, such as those found in books and magazines, it can be difficult to see, write, and erase, which can lead to physical and mental fatigue. Repeated use of pencils and erasers can also tear the pages, making it impossible to continue working on Sudoku puzzles from books and magazines. [Solution] By clipping this invention onto a clipboard along with a blank piece of paper, Sudoku squares of a size that are easy to see, write with a pencil, and erase with an eraser are created on the paper. By using this instead of the small numbers and squares on Sudoku pages in books and magazines, physical and mental fatigue can be reduced. Furthermore, because there is no need to write directly on the book or magazine with a pencil or erase with an eraser, the paper will not be torn or damaged.

The invention discloses a geological operation-oriented operator mental fatigue real-time monitoring method and device. The geological operation-oriented operator mental fatigue real-time monitoring method comprises the following steps: S1, determining the layout of a measured target and a millimeter wave radar; s2, millimeter wave radar intermediate frequency echoes are obtained, after a measured target is positioned through a distance domain, complex phases of corresponding distance information are extracted, phase unwrapping and steady state correction are carried out, and a continuous phase sequence representing chest micrometric displacement is obtained; s3, IIR digital band-pass filtering is applied to the continuous phase sequence, and the continuous phase sequence is decoupled into a breathing channel and a heartbeat channel; s4, extracting time domain and frequency domain features of heart rate variability (HRV) and respiratory rhythm from the respiratory channel and the heartbeat channel in the sliding time window to form a multi-dimensional vital sign feature vector set; s5, taking the multi-dimensional vital sign feature vector set as input, performing incremental learning by using OS-ELM, and judging and outputting a mental fatigue level in real time; s6, implementing hierarchical risk management, and triggering early warning and intervention measures; and S7, locally storing and visually displaying the fatigue level and the event log, and synchronizing the fatigue level and the event log to a remote management platform.

The present invention relates to a method for predicting and distinguishing the psychological fatigue of dispatchers based on physiological and reaction time indicators. First, a psychological fatigue state indicator is constructed; by designing a test program, a psychological fatigue state test webpage system is constructed; test data of objective reaction time indicators are collected and data processing is performed; the influence probability of subjective and objective influencing factors under different psychological fatigue states is calculated, and a reaction time prediction model is constructed; based on the psychological fatigue state indicator threshold, a model for distinguishing the psychological fatigue state of dispatchers is constructed; combining the test data with the prediction results, the psychological fatigue state of dispatchers is distinguished according to three states: no fatigue, moderate fatigue, and severe fatigue. This method realizes the quantitative evaluation of the psychological fatigue state of dispatchers; the system is simple and easy to deploy: it overcomes the problems of large size, high cost, and cumbersome operation of traditional equipment; it meets the autonomous guarantee requirements of high-reliability operation of civil aviation; and it has broad application prospects in aviation operation safety management and monitoring.

[Problem] The physical strength and mental state of a person was unable to be conventionally ascertained by using behavior information about the person. [Solution] A behavior analysis device 10 comprises: a knowledge storage unit 1011 in which a physical strength score, which is the degree of recovery or the degree of depletion of the physical strength of a user when the user has performed a behavior, and a mental score, which is the degree of recovery or the degree of depletion of mental fatigue, are stored in association with two or more pieces of behavior information specifying the behavior of the user; a reception unit 102 which receives the behavior information about the user; a score acquisition unit 1031 which acquires, from the knowledge storage unit 1011, the physical strength score and the mental score associated with the behavior information received by the reception unit 102; and a score output unit 1041 which outputs the physical strength score and the mental score acquired by the score acquisition unit 1031 in an associated manner. This behavior analysis device makes it possible to ascertain the physical strength and mental state of a person by using behavior information about the person.

The intranasal administration of 1, 3, 5 (10), 16-estratetraen-3-yl acetate may be used to improve mental motor and / or cognitive performance in mental fatigue subjects.

The utility model relates to the technical field of bolt installation tools, and discloses a tool for installing a bolt of a frequency modulation wheel of a low-speed diesel engine, which comprises a hollow inner hexagonal cylindrical sleeve, a round flange and a hexagonal steel plate, the round flange is assembled at the top of the hollow inner hexagonal cylindrical sleeve, and the hexagonal steel plate is connected with the round flange. The outer portion of the hexagonal steel plate is connected with a long-handle handle, the hexagonal steel plate is connected with the round flange through a seat plate, the two ends of the long-handle handle are both connected with extension arms in a sliding mode, and short grooves are evenly formed in the outer portion of the hollow inner hexagonal cylindrical sleeve. According to the tool for installing the bolt of the frequency modulation wheel of the low-speed diesel engine, the problems that efficiency is low, time and labor are consumed, operation is repeated, and mental fatigue of workers on site is extremely likely to be caused are solved, meanwhile, the length of the long-handle handle can be rapidly extended and retracted through the additionally-arranged extension jib and the additionally-arranged limiting mechanism, and therefore the applicability of the tool is greatly improved, and the tool is suitable for popularization and application. And the use comfort of workers is improved.

The invention discloses a mental fatigue monitoring method and system based on the nose wing skin temperature. The method comprises the steps that nose bridge skin temperature data and environment temperature data are obtained, the nose bridge skin temperature data are preprocessed, a low-temperature compensation model is constructed, dynamic calibration is conducted, and a nose bridge skin temperature threshold value is obtained; calculating a nose bridge skin temperature variation, extracting a time domain feature of the nose bridge skin temperature, inputting the nose bridge skin temperature variation and the time domain feature into a pre-trained evaluation model, and outputting a mental fatigue grade score; and comparing the mental fatigue grade score with a preset fatigue threshold value, and outputting a fatigue state judgment result according to a comparison result. The fatigue level can be accurately output, accurate and reliable judgment is guaranteed, and scientific and convenient mental fatigue monitoring is provided.

To provide a gel-like food composition which can be expected to have an effect of alleviating asthenopia and mental fatigue, and can impart satisfactory texture.SOLUTION: The gel-like food composition contains (A) lutein or its derivative and (B) γ-aminobutyric acid or its derivative.SELECTED DRAWING: None