80 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 relates to the technical field of mental state monitoring, in particular to a mental state real-time monitoring system based on intelligent wearable equipment, which comprises a physiological signal analysis module, a voice data analysis module, a mental fluctuation evaluation module, a fatigue boundary judgment module and a mental state analysis module. According to the method, by extracting key physiological and voice signal features, the activity stability of the neural signal and the autonomic nervous system of an individual can be more accurately judged, the stability of the physiological signal is effectively evaluated, and by calculating the fluctuation trend of the mental state and combining physiological and voice data, the accuracy of the physiological signal is improved. Real-time changes of emotion fluctuation and mental load of an individual can be captured more comprehensively, so that mental state monitoring is more comprehensive and accurate, real-time evaluation of mental fatigue is performed according to physiological and voice signal changes, a more objective fatigue judgment basis is provided, the accuracy of mental health state evaluation is enhanced, and the mental health state evaluation efficiency is improved. And more accurate mental health state information is provided for individuals.

The invention relates to the field of microorganism sampling detection, in particular to escherichia coli sampling detection equipment for mouse experiments. The technical problem to be solved is that when mouse intestinal escherichia coli is sampled and detected, attention needs to be highly concentrated during manual operation, physical and mental exhaustion is easily caused, and the intestinal tract is damaged by slight carelessness. In addition, in the prior art, adipose tissue existing on the outer surface of the intestinal tract cannot be removed, and therefore the sampling detection result is affected. According to the technical scheme, the escherichia coli sampling and detecting equipment for the mouse experiment comprises a sampling box, a fixing assembly and the like; and a fixing assembly is mounted in the sampling box. According to the device, the left end and the right end of the intestinal tract of a mouse are fixed through the first clamping block and the second clamping block respectively, sterile water is injected into the intestinal tract of the mouse through an injection pipe for flushing, and cleaning of the intestinal tract of the mouse is completed, so that the pressure of manual operation is relieved, and meanwhile accidental damage to the intestinal tract of the mouse caused by manual operation is reduced.

To provide an anti-fatigue composition that eases physical and mental fatigue.SOLUTION: The present inventors have discovered a method for producing an anti-fatigue composition through the combined use of GABA and lactic acid bacteria for easing mental fatigue, and citric acid for easing physical fatigue, thereby completing the present invention.SELECTED DRAWING: Figure 1

The invention discloses a driver mental fatigue recognition intervention method and system based on electroencephalogram signals, relates to the technical field of intelligent traffic, and solves the problem that fatigue recognition robustness is not high due to the fact that a fatigue recognition algorithm is easily interfered by the external environment. The method comprises the following steps: S1, preprocessing a physiological signal of a driver; s2, constructing a brain function network according to the preprocessed physiological signals; s3, electroencephalogram topological features are extracted from the brain function network; s4, inputting the electroencephalogram topological features into a recognition model, and recognizing the mental fatigue state of the driver by the recognition model according to the electroencephalogram topological features; s5, determining fatigue intervention measures according to the mental fatigue state of the driver; by analyzing the electroencephalogram signals, the system can detect the fatigue condition of the driver in real time.

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.

The present application provides a vehicle control system for controlling a vehicle and acquiring a degree of mental fatigue of a driver of the vehicle using a sensor mounted on the vehicle. When at least an operating condition in which the degree of mental fatigue exceeds a first threshold value is satisfied, the vehicle control system outputs a relaxing sound for alleviating the degree of mental fatigue through a speaker mounted on the vehicle.

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.

Systems and methods are provided for detecting mental fatigue by a user of an Information Handling System (IHS). Upon the user initiating operation of the IHS, activity by the user and physiological parameters of the user are monitored using capabilities of the IHS and, in some cases by wearable devices. Estimates of the user's mental fatigue during the session are generated based on the monitoring. Embodiments identify when the user takes a break from operating the IHS and also identify when the user resumes use of the IHS. Upon the user resuming the session, the user is prompted for their level of mental fatigue prior to taking the break, thus providing a reliable source of feedback data that is utilized in updating and improving machine learning models that are used to generate the estimates of the user's mental fatigue based on observed physiological parameters and activity by the user.

The invention relates to a mental fatigue assessment method, device and system based on a ballistocardiogram signal. The method comprises the following steps: calculating feature data corresponding to a heartbeat signal and a respiration signal according to the heartbeat signal and the respiration signal; performing feature screening on the feature data in a ReliefF-Spearman mode to obtain the screened feature data; inputting the screened feature data into a mental fatigue assessment model to obtain a mental fatigue assessment result; wherein the mental fatigue assessment results comprise unobvious, mild fatigue, moderate fatigue or severe fatigue, and the mental fatigue assessment method has the advantage that refined, efficient and accurate mental fatigue assessment is realized.

The invention provides a refreshing and anti-fatigue composition as well as a preparation method and application thereof, and relates to the technical field of nutritional supplements. The refreshing and anti-fatigue composition is prepared from the following components in parts by mass: 1000 to 5000 parts of phosphatidylserine, 300 to 500 parts of taurine, 10 to 20 parts of nicotinamide, 2 to 3 parts of vitamin B1, 1 to 1.5 parts of vitamin B6 and 0.001 to 0.002 part of vitamin B12. The refreshing and anti-fatigue composition alleviates the problems of complex material consumption, large component intake, too high sugar content and the like of the refreshing and anti-fatigue composition in the prior art. The refreshing and anti-fatigue composition can promote energy metabolism, improve brain functions and relieve physical and mental fatigue. The formula supports nervous system health through multiple ways, helps people to keep sober and concentrate, and reduces the feeling of fatigue at the same time.

The invention relates to the technical field of exercise analysis, and particularly discloses an exercise performance analysis method combined with wearable equipment, a first exercise set can be used in cooperation with warm-up time, and the first exercise set voluntarily builds a stepped training combination according to a pre-built action coefficient, so that when a trainer trains high-difficulty actions, the training efficiency is improved, and the training efficiency is improved. The process from easy to difficult is achieved through a series of gradient action combinations with action coefficient differences not exceeding a preset safety value, so that it is guaranteed that part of trainees directly performing training can obtain the basic warm-up effect, sport injuries are avoided as much as possible, the second exercise set is a set of target actions and supplementary actions, and the training efficiency is improved. Physical fatigue and psychological fatigue caused by continuous repetition can be avoided in the process of specially training the target action, and other actions can be reviewed at the same time.

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 composition for maintaining, enhancing or improving cognitive function contains cells of Bifidobacterium adolescentis JCM 7045 strain or a processed product thereof.

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.