63 results about "Mental stress" patented technology

The invention relates to a student learning state monitoring method based on facial recognition mental stress analysis. Comprising the following steps of A, environment acquisition and equipment installation, B, time and frequency acquisition, C, face monitoring and tracking, D, region-of-interest selection, E, rPPG signal extraction, F, feature extraction, G, pressure analysis and H, student pressure level monitoring, and the pressure analysis in the step G is applied to actual student learning state monitoring in the step H. Acquiring facial image data of the student in real time, performing mental stress analysis, regularly evaluating the performance of the optimized stress evaluation model, and updating and improving the optimized stress evaluation model according to new data and practical application feedback; the method has the advantages that the mental stress level of a student is evaluated by analyzing the facial expression of the student; facial expression data of students can be obtained in real time, and instant state changes of the students in the learning process can be reflected in time.

The invention discloses an AI assessment method and system for the safety risk of aged furniture, and relates to the technical field of artificial intelligence assessment, and the method comprises the steps: placing a virtual body in a virtual three-dimensional environment, and positioning a mismatching risk point of the body of a user and to-be-assessed furniture through applying simulation disturbance; extracting biomechanical parameters under the risk point and determining a physical risk value; carrying out dynamic deduction through a physiological-psychological state mapping relation based on biomechanical parameters, and determining a psychological stress value; fusing the physical risk value and the psychological pressure value to generate a current safety risk assessment result; based on a virtual body, simulating an elderly weak physiological trajectory, and performing long-term safety risk prediction on furniture in the same virtual three-dimensional environment; according to the method, mechanical disturbance and typical instability working condition simulation are introduced into the virtual three-dimensional environment, so that the safety guarantee level and the prospective evaluation capability of the aged furniture under the real use condition are improved.

The invention relates to the field of biological signal processing and emotion calculation, and discloses a multi-mode mental stress assessment method and system based on machine learning, and the method comprises the steps: collecting a brain wave signal and a heart rate variability signal of a user; using a CNN-LSTM model to perform multi-modal depth feature extraction on the spectrogram of the brain wave signal and the time sequence of the heart rate variability signal to obtain a brain wave signal depth feature vector and a heart rate variability signal depth feature vector; splicing the brain wave signal depth feature vector and the heart rate variability signal depth feature vector to form a high-dimensional multi-modal feature vector representation; and classifying the multi-modal feature representation by using a support vector machine, and outputting a pressure state judgment result. The real-time pressure state of the user can be accurately predicted, and the technical problem that an existing pressure detection method is not high in detection precision is solved.

The invention discloses a mental stress assessment and intelligent dredging method and system, and belongs to the technical field of digital medical treatment and health informatics. Multi-modal physiological signals are continuously collected through the wearable device, medical diagnosis level pressure state evaluation is carried out based on the personalized physiological baseline, and personalized pressure indexes and levels are generated; secondly, when it is diagnosed that the pressure level exceeds the standard, the system serves as an intelligent decision support system, the environment and schedule information after privacy protection processing is fused, and an optimal grooming action is dynamically selected from a predefined intervention action library and executed; finally, the system serves as a continuous learning system, the intervention efficiency is evaluated in real time according to feedback data of the pressure index after execution, the decision model is updated, and collaborative self-optimization of the diagnosis strategy and the intervention strategy is achieved. According to the method, medical diagnosis, personalized treatment decision and adaptive learning are integrated, and the systematicness, accuracy and intelligent level of mental stress related health problem management are improved.

The invention provides a mental stress quantitative evaluation method and device for physiological and biochemical fusion monitoring, a skin interface microfluidic module of the device is used for realizing fresh sweat sampling and rapid refreshing, and accurate sweat analysis is carried out with high time resolution; the multiple layers of sensor patches are used for collecting physiological and biochemical signals related to mental stress; and the evaluation module is used for realizing continuous, real-time and accurate mental pressure monitoring according to the physiological and biochemical signals. According to the invention, long-term, real-time and accurate mental stress condition assessment can be carried out by using the wearable device without intervention of professionals; physiological and biochemical signals of a human body can be monitored at the same time, and specific recognition of a pressure source and a pressure level is achieved by combining the two signals; and sweat can be automatically collected for non-invasive monitoring.

The invention relates to a mental stress assessment method based on a non-contact sensor and HRV data analysis. The method comprises the following steps: acquiring a historical RR interval data set and a target day RR interval data set, and correspondingly generating a plurality of different interval characteristics based on RR interval data; calculating a quality score of the RR interval data; carrying out average calculation on the quality scores of all RR interval data contained in each sleep stage to obtain a stage average value corresponding to each sleep stage label; calculating a stability score value corresponding to each sleep stage based on the average value of each stage, and determining an optimal sleep stage; extracting all target day RR interval data of the optimal sleep stage, and generating a target day HRV value; generating a historical HRV sequence based on the historical RR interval data set; and performing numerical processing on the target day HRV value based on the constructed detrending model and the historical HRV sequence to generate a mental assessment HRV sequence, and generating a mental stress assessment result based on the mental assessment HRV sequence.

The invention discloses a construction method and application of a bacterium-derived depression mouse model, and belongs to the technical field of biological medicines. The method comprises the following steps: randomly grouping SPF (specific pathogen free) grade C57BL / 6J experimental mice; using drinking water quadruple antibiotics or intragastric administration quadruple antibiotics to deplete mouse background intestinal flora; according to the method, a freshly prepared Eggera tarda bacterial liquid is applied to male mice of 7-9 weeks old in an intragastric administration manner, and the bacterial-derived depression mouse model is constructed. According to the construction method disclosed by the invention, by directly planting the Eggera tarda which has a definite causal relationship with the major depression, multivariable interference introduced by a traditional complex mental stress model is avoided, and a'bacterial origin 'animal model which is more single in variable, clearer in causal relationship and clearer in mechanism is constructed; and an efficient and reliable experimental tool is provided for accurately explaining the specific action mechanism of the'microorganism-intestine-brain axis' mediated by the Eggera tarda in the occurrence and development of the depression.

The present invention provides a kind of composition containing bird's nest acid, phospholipid and polyunsaturated fatty acid and preparation method thereof, composition, when not adding any additives, bird's nest acid is dispersed in DHA grease in functional ingredients, while solving the problem that DHA is easily oxidized, promotes brain development, regulates immunity, promotes the absorption and utilization of minerals in the intestine and the effects of beauty and skin care. Phospholipids can prevent the sedimentation of bird's nest acid in ω 3 polyunsaturated fatty acid grease, and are phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol or phosphatidylserine. Not only can the sedimentation of bird's nest acid be prevented, but also the growth of nerve cells can be supported, thereby improving the absorption rate of DHA in the brain. Especially PS, itself can not only nourish the brain, enhance brain function, but also relieve mental stress and improve cognition, and is called "brain nutrient".

The present invention belongs to the field of sensor preparation technology, and specifically relates to a cortisol sensor and a preparation method thereof, a wearable device and a preparation method and application thereof. The wearable device provided by the present invention is based on multiple sensors, such as a cortisol sensor and an HRV sensor; the present invention utilizes a self-made cortisol sensor to obtain cortisol data, and at the same time, the present invention combines the analysis of the HRV sensor, which is based on a mature photoplethysmography method, with sensor signal amplification and transmission to achieve another way to obtain heartbeat data. The present invention obtains heartbeat and cortisol concentration data through two pathways, sweat and skin, which can help users more accurately discover and record changes in psychological stress and assess mental stress in a non-invasive manner.

The invention provides a mental stress analysis method and equipment based on pulse waves. The method is applied to physiological signal processing. The method comprises the following steps: acquiring a pulse wave signal of a target object, wherein the pulse wave signal is a signal acquired by pulse wave acquisition equipment; extracting pulse rate change information from the pulse wave signal by using a window function with the length of 0, so as to obtain a forward pulse rate; reversely correcting a problem pulse rate in the forward pulse rate by adopting a path growth mode to obtain a target pulse rate; performing forward heartbeat point search on the target pulse rate, and performing reverse correction on the heartbeat point to obtain a heartbeat interval; calculating a heart rate variability parameter according to the heartbeat interval; and calculating the heart rate variability parameter by using a pre-constructed mental stress model to obtain a mental stress parameter. According to the invention, mental stress monitoring with low burden, high reliability and high accuracy is realized.

The invention relates to the technical field of succulent plant maintenance, in particular to a succulent plant maintenance system integrating visiting and maintenance, and the system comprises a visiting module which is used for enabling visitors to know the habits and variety information of succulent plants; the maintenance module comprises a plurality of terminal nodes, each terminal node is provided with a sensor and an actuator, and the terminal nodes are used for collecting growth state data of succulent plants and performing corresponding maintenance operation according to the data; the man-machine interaction equipment is connected with the visiting module and the maintenance module and is used for displaying information and inputting instructions; wherein the man-machine interaction device at least comprises a touch screen type interaction interface, the succulent plant maintenance system integrating visiting and maintenance can conduct scientific maintenance on flowers and reduce the death probability, and the requirement of people for relieving mental stress can be met.

The invention provides ancient formula bath essence containing wild jujube fruits and capable of effectively improving and promoting sleep and a preparation method of the ancient formula bath essence. The raw materials for preparing the ancient formula bath essence containing the wild jujube fruits and capable of effectively improving and promoting sleep comprise a bath lotion component and a wild jujube fruit compound component, according to the ancient formula bath essence containing wild jujube fruits and capable of effectively improving sleep and promoting sleep, wild jujube fruit active ingredients are extracted from wild jujube fruit compound ingredients through supercritical CO2, the effect of calming nerves is achieved, mental stress is helped to be relieved, deep sleep is promoted, the wild jujube fruit extract is compounded with plant extracts of lavender, ligusticum wallichii and the like, a synergistic interaction formula is formed, and the effect of improving sleep and promoting sleep is achieved. The product enhances sedation, relieves anxiety and promotes sleep, the preparation process is efficient and stable, and the product has wide market prospects.

The utility model discloses a bionic negative oxygen ion generating device which comprises a mounting shell, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator and a negative oxygen ion generator, and is characterized in that a fresh air inlet is formed in one side of the lower part of the mounting shell; a fresh air primary filter; a heat exchange core; a high efficiency filter; a fresh air fan; an exhaust primary filter; an exhaust motor; a negative ion generator module; a sensor module; a PTC heater; and a controller. The negative ion air purifier can release high-purity negative ions from the air purification level, actively purify air, settle pollutants such as dust and smoke, remove peculiar smell, sterilize and disinfect, effectively improve air quality, generate negative ions close to the nature in the health aspect, promote metabolism of a human body, enhance immunity, improve the functions of a respiratory system and a nervous system, and improve the health of the human body. The symptoms of respiratory diseases and mental stress are relieved.

The present invention discloses a physical and mental stress reduction cabin, which includes a cabin body main body. The cabin body main body includes a first cabin body and a second cabin body that are arranged in pairs up and down. A moving frame is installed on the outer side of the cabin body main body. The inner walls on both sides of the moving frame are attached to the outer walls on both sides of the cabin body main body. A support plate is installed in the cabin body main body. The support plate is fixedly connected with a rotating shaft. The support plate can rotate along the axis of the rotating shaft. The rotating shaft is connected with the moving frame. When the moving frame moves, it drives the support plate and the rotating shaft to move together. When the support plate moves, it can rotate at any angle and be fixed. Display screens are installed on the inner walls of both the first cabin body and the second cabin body. The experiencer moves under the drive of the support plate and can watch the display screen of the display screen to obtain an immersive dynamic experience. In the present invention, when the support plate moves, it can rotate simultaneously. With the cooperation of the screen of the display screen and the undulation of the channel curve, the experiencer can obtain an immersive dynamic experience, allowing the experiencer to enter the environment of the display screen of the display screen in a dynamic form, with a stronger sense of participation and more directness.

This utility model discloses a decompression device for emotion management training, relating to the field of mental stress assistance technology. It includes a grip plate with four vertically equidistant clearance holes on one side. A semi-pressure ring is located inside each clearance hole, and a connecting rod is fixed to the outer arc surface of the semi-pressure ring. A limiting groove is provided on the side of the grip plate near the connecting rod, and a reset structure is located inside the limiting groove. An adjustment structure is provided between the grip plate and the reset structure to adjust the position of the reset structure. Through the adjustment structure, this utility model allows users to flexibly adjust the position of the second magnetic block according to their grip strength, making it more flexible and meeting the needs of users with different grip strengths. Regardless of the user's grip strength, the pressing distance of the user's fingers is maximized, ensuring a comfortable pressing experience and achieving an effective decompression effect.

1. The name of the design product: smart decompression ring. 2. The use of the design product: the design product is mainly used to relieve mental stress and measure heart rate changes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This design product is primarily used to alleviate mental stress and measure heart rate changes; The characteristic features of the design lie in the shape

The invention relates to the technical field of insoles, in particular to a sea salt insole matched with sole acupoints, which comprises an insole body, an insomnia acupoint massage block, a Yongquan acupoint massage block and a Taichong acupoint massage block are respectively connected to the top of the insole body, and the insole body comprises an insole surface layer, an insole functional layer and an insole supporting layer. The insole surface layer comprises a bamboo fiber and wormwood blended fabric layer, the top of the bamboo fiber and wormwood blended fabric layer is in knitted connection with a sweat-absorbent cotton layer, and the insole functional layer comprises a maintenance base layer. Through cooperation of the cushion body, the insomnia acupoint massage block, the Yongquan acupoint massage block and the Taichong acupoint massage block, positive influences can be generated on the nervous system, the blood circulation system and the like of the body, sleep quality can be improved and mental pressure can be relieved in the aspect of the mental system, and blood circulation can be promoted and local blood supply can be improved in the aspect of the blood circulation system; the traditional Chinese medicine composition can further play a regulating role in nourishing yin to lessen fire, soothing liver to regulate qi and enhancing immunity on the human body basis.

The invention discloses a control method and a related device. According to the application, various types of execution components can be controlled to work together, and different pressure relief modes are combined to perform pressure relief on a user together, so that the limitation of a single mode can be made up, comprehensive pressure relief can be realized, the pressure relief effect can be improved, and the mental pressure and muscle tension of a human body can be deeply relieved. Moreover, pressure relief is performed in combination with different pressure relief modes, so that pressure relief requirements of different scenes can be met, and pressure relief flexibility is improved.

We provide the system. [Solution] A means for acquiring the user's learning history information and selecting learning problems optimized for the user, A means for dynamically generating dialogue content based on the selected learning questions, A means for receiving user voice input, converting it into text data, and analyzing the text data, A means of providing feedback to users based on the analysis results, A means for detecting a user's mental stress and providing dialogue content for mental care as needed, A means of recording the user's learning results and updating the learning profile for the next session, A system that includes this.

To provide a novel strain of Tetragenococcus halophilus having superior capability for producing ornithine and citrulline, thereby enabling the efficient production of ornithine and citrulline that are beneficial amino acids, and their application in the manufacture of food compositions, supplements, pharmaceuticals and the like suitable for maintaining or promoting health, including stimulation of growth hormone secretion, regulation of sleep-wake cycles, enhancement of liver function, rejuvenation of fatigued skin, reduction of mental stress, and recovery from physical fatigue.SOLUTION: Provided is a strain of Tetragenococcus halophilus KA12022 (Deposit Number: NITE P-03886).SELECTED DRAWING: Figure 4

The invention provides a non-contact mental stress assessment method and system for a millimeter wave radar, and the method comprises the following steps: S1, collecting the whole night original echo signals of a user in a non-contact manner through a millimeter wave radar module which is installed in a mattress supporting layer in an embedded manner; s2, performing noise reduction filtering preprocessing on the original echo signal, and separating the mixed echo signal into a body motion signal segment and a resting signal segment through an adaptive threshold segmentation technology; s3, a breathing frequency domain feature set reflecting autonomic nerve functions is extracted from the resting signal segment, a body movement time sequence feature set reflecting sleep stability is extracted from the body movement signal segment, and a multi-dimensional all-night physiological feature vector is jointly formed; and S4, inputting the whole night physiological feature vector into a trained machine learning fusion model, and outputting a mental stress grade evaluation result of the user. The method has the advantages of non-contact and non-inductive monitoring, high accuracy of double-feature fusion, strong scene adaptability and low cost.

The application discloses a multi-modal physiological data fusion driven mental stress classification method, and belongs to the technical field of physiological signal processing and health monitoring. The method comprises the following steps: pre-processing electrodermal activity, body temperature, acceleration, heart rate and blood oxygen saturation signals; adopting an NSGA-II algorithm to adaptively optimize multi-modal fusion weights; realizing data-level fusion through weighted average; extracting statistical features and eliminating redundant features based on correlation analysis; and finally classifying by using a convolutional neural network with an enhanced multi-head attention mechanism. Through multi-scale fusion and adaptive weight optimization, the application improves classification accuracy and robustness, and is suitable for wearable devices, mental health monitoring and other fields.

We provide the system. [Solution] Means of collecting biometric data, A means for analyzing the aforementioned biometric data to evaluate the user's mental burden, A means of collecting communication data and analyzing emotional states using natural language processing technology, A means of issuing warnings and providing support based on the aforementioned mental burden and emotional analysis, A means of notifying store managers of the mental stress levels of employees, A system that includes this.

The invention discloses an establishment method and application of an animal model of a mental stress exacerbation metabolic disease, and belongs to the technical field of biomedicine. The method comprises the following steps: selecting SPF-level C57BL / 6J mice, randomly grouping the mice, adaptively feeding the mice for 7 days, and then periodically and cyclically modeling the mice for four cycles in total. Each cycle comprises two weeks of 60% high fat diet feeding and one week of common maintenance feed diet; 7-day chronic social failure stress modeling is carried out during a common feed diet maintaining period. According to the method disclosed by the invention, the mouse model capable of effectively simulating clinical mental stress exacerbation glycolipid metabolism disorder is constructed, and the blank of a model for inducing glycolipid metabolism disorder by combining mental stress and dietary factors is filled. The mouse model provided by the invention is helpful for promoting the pathogenesis of metabolic diseases and researching potential therapeutic targets.

The invention relates to the technical field of virtual reality and health monitoring, and particularly discloses a psychological stress monitoring method and system based on virtual reality. The system comprises a physiological signal acquisition module, a virtual reality environment generation module, a stress reaction quantification module, a self-adaptive pressure regulation and control module and a pressure state evaluation module, pressure source elements in a virtual reality scene are dynamically adjusted by acquiring multi-modal physiological signals of a user in real time, the stress level of the user is quantified, and the pressure state of the user is evaluated. And psychological stress grade evaluation is output based on the personalized stress response model, so that closed-loop psychological stress monitoring with high signal-to-noise ratio and high ecological efficiency is realized.

The system according to the embodiment aims to predict early signs of mental stress in students and notify them appropriately. [Solution] A system according to an embodiment includes a collection unit, an analysis unit, a prediction unit, and a notification unit. The collection unit collects data. The analysis unit analyzes the data collected by the collection unit. The prediction unit predicts signs of stress based on the data analyzed by the analysis unit. The notification unit notifies the user of the signs of stress predicted by the prediction unit.

1. The name of the design product: intelligent body and mind pressure relief cabin. 2. The use of the design product: equipment for people to massage, rest, relieve mental stress and physical load. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a resting EEG psychological stress prediction method fusing bidirectional decoupling and potential feature mining, which is applied to a resting EEG psychological stress prediction system fusing bidirectional decoupling and potential feature mining. The prediction system is obtained by training according to historical electroencephalogram (EEG) data and corresponding psychological stress labels. The prediction method comprises the following steps: preprocessing collected original EEG data, and dividing the preprocessed continuous EEG data into a plurality of slices according to a sliding time window, wherein each slice comprises a task-state EEG signal and a resting-state EEG signal; adding random noise to the task-state EEG signal, so that the noisy task-state EEG signal is randomly distributed; introducing a guiding mechanism of the task-state electroencephalogram to the resting-state potential feature, so as to improve the feature separability in a weak feature scenario; meanwhile, effectively separating individual differences and depression-related features by using a bidirectional decoupling structure, extracting the time-space features of the EEG by using a wavelet-Riemann technology, and improving the psychological stress prediction efficiency and objectivity.

The invention belongs to the field of biological medicines and skin care products, provides an efficient transdermal absorption type beta receptor blocker and further provides a preparation method of the efficient transdermal absorption type beta receptor blocker, and the efficient transdermal absorption type beta receptor blocker is obtained by performing esterification reaction on amentoflavone and butyric anhydride. The invention also provides an application of the efficient transdermal absorption type beta receptor blocker. The efficient transdermal absorption type beta receptor blocker is used for preparing a transdermal absorption preparation of the beta blocker for preventing or treating skin problems caused by mental stress. The efficient transdermal absorption type beta receptor blocking agent has efficient beta receptor blocking and efficient transdermal absorption capabilities, and is obviously superior to the existing clinical beta receptor blocking agent propranolol; the transdermal absorption preparation containing the efficient transdermal absorption type beta receptor blocker can be used for preventing or treating skin problems caused by mental stress.