303 results about "Motion sickness" patented technology

The invention discloses a carsickness monitoring and control system based on multiple modes. The system comprises a physiological monitoring module, a signal preprocessing module, a carsickness judgment module and a carsickness correction module, the physiological monitoring module is used for collecting various physiological unit signals of passengers on the vehicle in real time; the signal preprocessing module is used for obtaining various physiological signal segment data; the carsickness judgment module is used for judging whether a passenger in a certain time period is in a carsickness state or not; and the carsickness correction module is used for regulating and controlling the running parameters of the automatic driving vehicle in the corresponding time period when the carsickness state occurs by taking the vehicle running parameters corresponding to the low carsickness degree score WSCI as a reference, correcting an automatic driving strategy and reducing the carsickness degree and probability of passengers on the vehicle. According to the invention, whether the passenger of the unmanned electric vehicle is carsickness can be accurately judged, and the automatic driving strategy during carsickness can be corrected.

The invention discloses a text narrative-guided virtual reality motion sickness monitoring and relieving system, and relates to the technical field of virtual reality, the text narrative-guided virtual reality motion sickness monitoring and relieving system comprises an adaptability monitoring module, the adaptability monitoring module comprises a data acquisition unit, and the data acquisition unit is used for acquiring physiological information of a user in virtual reality training in real time; the data is transmitted to the adaptability evaluation unit; the dynamic adjustment module is used for receiving the sensing data acquired by the data acquisition unit and dynamically adjusting parameters of the virtual reality equipment according to the received data; by monitoring physiological information and perception data of a user in real time, signs of motion sickness can be rapidly recognized, the real-time monitoring is combined with dynamic adjustment of visual and vestibular stimulation in a VR environment, the risk of motion sickness caused by mismatching of sensory input and actual body movement can be effectively reduced, and the motion sickness can be rapidly recognized through the dynamic adjustment. The system can preventively adapt to individual differences of users and reduce motion sickness.

The present disclosure provides a method of selecting content for display during a journey to alleviate motion sickness, the method comprising: receiving information indicative of a route for a journey; detecting at least a first portion of the journey having a first predetermined characteristic; identifying a time period corresponding to the first portion of the journey; and selecting one or more items of content having a second predetermined characteristic for display over the time period.

The invention provides a virtual reality moving method and device for gait self-adaptive translation gain. The method comprises the following steps: determining natural disturbance in a gait cycle when a user naturally walks; according to natural disturbance in the gait cycle, the translation gain of the user in the virtual reality environment is dynamically adjusted; wherein the larger the natural disturbance is, the larger the translation gain corresponding to the natural disturbance is, and the translation gain is used for adjusting the proportion of the walking speed of the user in the virtual space to the actual walking speed of the user in the physical space. According to the method, the use of the translation gain is dynamically adjusted according to the gait cycle of the user, the inconsistency between the user body feeling and the visual perception is reduced by using the motion disturbance of the user, the perception threshold value of the user for the difference between the virtual space motion rate and the physical space motion rate is widened, meanwhile, the occurrence probability of motion sickness is not increased, and the user experience is improved. Therefore, the overall comfort and immersion of the user are improved.

The invention discloses a carsickness sensing device, a seat, a vehicle and a motion sickness detection method. The carsickness sensing device comprises a seat cover, a driving device and a controller, the sensor is arranged on the seat cover; the motion sickness detection integrated module is arranged on the seat cover and connected with the sensor, and the motion sickness detection integrated module is configured to be used for receiving the sensing signal of the sensor, determining body sign information of the user according to the sensing signal and sending the body sign information to the terminal equipment. According to the carsickness sensing device disclosed by the invention, the motion sickness detection integrated module integrates a body sign signal detection function, a sensing signal processing function and an information transmission function, so that additional components do not need to be arranged at other positions to realize corresponding functions, the integration level is improved, and the cost is reduced.

The present invention discloses a method for intervening in the subjective feeling of motion sickness in virtual reality based on perceptual theory, which relates to the technical field of virtual reality. The method comprises: acquiring proprioception parameter information of a current user, wherein the proprioception parameter information includes but is not limited to head movement data, eye movement data, and physiological data; performing real-time analysis on the currently acquired data using a data analysis algorithm to determine whether the user has early signs of motion sickness; determining, by the data analysis algorithm, that the user has early signs of motion sickness, and immediately initiating a visual perception adjustment step. Furthermore, by real-time capturing and analyzing the user's physiological signals in a virtual reality experience, it is possible to identify and intervene in the early stages of motion sickness, and to formulate an intervention method in a timely manner for users who have subjective feelings of motion sickness, thereby facilitating rapid relief of user discomfort.

Systems, methods, and other embodiments described herein relate to detecting whether a user in a vehicle is experiencing motion sickness. In one embodiment, a method includes determining whether a user in a vehicle is experiencing motion sickness based on a first movement measurement of the vehicle and a second movement measurement of a head of the user using a radar sensor and in response to determining whether the user is experiencing motion sickness, activating mitigation control.

The present disclosure provides a method of alleviating motion sickness in a user viewing an image on a display, the method comprising: displaying an image on a display device, the display device being a first distance from a user viewing the image on the display device; generating a virtual screen corresponding to the display device by projecting a line from the user and the display device to a second location, the distance of the second location from the user being greater than the first distance; detecting a movement of the user and the display device to a new location relative to the virtual screen; determining a new image location by projecting a line from the virtual screen location to the new location of the user; and displaying an image on the display device at the new image location for at least a portion of the image for which the new image location intersects with the display device.

The invention provides a personalized passenger motion sickness relieving system and method based on a virtual reality technology. The system comprises virtual reality equipment, a sensor module, a physiological monitoring module and a data processing unit. The virtual reality equipment is used for generating a virtual scene synchronous with the movement of the vehicle and providing immersive experience; the sensor module collects vehicle motion data in real time, such as acceleration and angular velocity; the physiological monitoring module monitors the physiological state of a user and evaluates motion sickness symptoms; and the data processing unit integrates the vehicle motion data and the user physiological data, dynamically adjusts a virtual scene, and realizes personalized alleviation of motion sickness. According to the system, through personalized virtual scene selection, scene element adjustment, motion feedback personalized adjustment and automatic adjustment based on physiological feedback, the comfort level and experience of passengers are effectively improved, the motion sickness symptom is remarkably relieved, high expansibility is achieved, the system can be suitable for various vehicles, and the wide market requirement is met.

The invention provides a display method, electronic equipment and a storage medium, and relates to the technical field of display. The method comprises the steps that in response to a first operation, the electronic equipment displays a first interface; displaying the target animation in a preset area of the first interface; the target animation comprises animation elements, the animation elements move or are static according to the motion state of the electronic equipment, and the target animation is used for mapping the motion state of the electronic equipment in real time. In the implementation mode, the animation elements in the target animation change according to the motion state of the electronic equipment, so that the displayed target animation can map different motion states of the electronic equipment in real time, the motion information sensed by the eyes of a user is consistent with the motion information sensed by a vestibular system, and the user experience is improved. Namely, the motion state of the target animation in the display interface seen by the eyes of the user is consistent with the motion state sensed by the vestibular system. Therefore, the conflict between the user vision and the motion state sensed by the vestibular system can be relieved, and the motion sickness of the user is relieved.

Systems and methods for obtaining metrics relating to an extended reality experience and using the obtained metrics to perform remedial actions, such as managing user motion sickness, determining user performance relating to a designed game difficulty, and performing home automation are disclosed. The methods include determining a starting and ending checkpoint in an extended reality experience. Data from a plurality of users as they navigate between the determined checkpoints is obtained and used to determine a metric, such as a median, average, or other representative data. The current user's navigation through the same checkpoints is monitored and compared with the metric. The results from the comparison are used to enhance extended reality experience, which includes customizing the experience for motion sickness, game difficulty level, and home automation.

The invention provides a method and device for controlling an intelligent sound production system to relieve carsickness based on electroencephalogram signals. The method comprises the following steps that S1, electroencephalogram signal data of passengers in the carsickness process are collected; step S2, preprocessing the electroencephalogram signals, and extracting electroencephalogram characteristics including frequency bands of # imgabs0 # waves, # imgabs1 # waves, # imgabs2 # waves and # imgabs3 # waves; s3, calculating a brain wave comprehensive variation index CVEI as an objective evaluation index of the carsickness grade based on the extracted electroencephalogram characteristics; s4, performing carsickness grade classification according to the brain wave comprehensive variation index CVEI of the passenger by using a carsickness grade identification model, wherein the carsickness grade identification model is constructed by fusing a convolutional neural network and an attention mechanism; and step S5, according to the carsickness grade classification result of the passenger, playing the audio which corresponds to the carsickness grade and is used for relieving carsickness in the audio sample library. The garment can effectively relieve carsickness of passengers.

Detecting Onset of Motion Sickness in Virtual Reality (VR) Signals from a motion sensor on a head-mounted device (HMD) used by a player of a computer game are analyzed to determine whether motion of the player such as sway may resemble a precursor motion pattern to motion sickness, so that the player may be advised accordingly before the symptoms of motion sickness manifest themselves.

The invention provides a playing picture switching method and device and a vehicle, and relates to the technical field of vehicles. In the method, when a vehicle is in a driving state and a user in the vehicle watches a target picture through a vehicle-mounted screen, if the user suffers from a carsickness symptom, the user can see the target picture; according to the method, the vehicle can switch the target picture to the second vehicle-mounted screen for the user to watch when the vehicle-mounted screen (the first vehicle-mounted screen) currently used by the user is the target vehicle-mounted screen. Compared with the first vehicle-mounted screen, the distance between the second vehicle-mounted screen and the user is farther, so that the focus point of the eyes of the user can be changed to a certain extent, and the visually perceived playing picture is closer to the visual effect that the eyes see the distant view outside the window during normal driving. Therefore, the conflict between the motion state perceived by the body of the user and the position information perceived by the visual sense can be reduced, the carsickness symptom of the user can be relieved, and the watching requirement of the user on the vehicle-mounted screen in the vehicle can be met.

A dog carrier designed to mitigate the effects of kinetosis (i.e., motion sickness) while a dog is traveling in a vehicle. The carrier provides a comfortable defined space that expands an area of a typical passenger seat. The carrier provides a stable rigid base of support to enable a dog to stand, sit, or lay down within the safe confines of the carrier. The carrier can be used in conjunction with a vehicle's LATCH system. An angled base with first and second sidewalls are designed to follow the contour of a standard passenger seat to minimize instability. The carrier can be removed from the vehicle to operate as a dog bed when traveling. Cap rails may be used by the canine as a stable place to rest its head while laying down within the carrier. The cap rails may include apertures for placement of small bowls or containers for kibble or water. The carrier may also be used with currently available safety harnesses and / or leashes, if desired.

The invention discloses a virtual reality motion sickness subjective feeling intervention method based on a perception theory, and relates to the technical field of virtual reality, and the method comprises the steps: collecting current user body feeling parameter information, the body feeling parameter information comprises but is not limited to head motion data, eyeball motion data and physiological data; performing real-time analysis on the currently acquired data by using a data analysis algorithm, and judging whether the user has early data of motion sickness or not; an early sign of motion sickness of a user is judged through a data analysis algorithm, a visual perception adjustment step is started immediately, and then a physiological signal of the user is captured and analyzed in real time in virtual reality experience, so that the motion sickness can be recognized and intervened in time in the early stage of motion sickness; an intervention method can be timely formulated for a user who generates subjective feeling of motion sickness, and discomfort of the user can be quickly relieved.

A motion sickness reduction device is disclosed. More specifically, the present invention relates to a device for reducing a motion sickness phenomenon caused by a mismatch between visual information perceived by the eyes and sensing information by the vestibular system. According to an embodiment of the present invention, a difference between visual information received by a user and motion information perceived by the vestibular system is checked, a moving direction based on a rigid body motion of the vestibular system is calculated, and a mechanical stimulus corresponding to the visual information is applied to the vestibular system through a bone conduction unit worn by the user, thereby having the effect of minimizing a motion sickness phenomenon caused by a difference between visual information and motion information of a user riding in a vehicle or watching VR content.

A computer-implemented method for reducing a risk of motion sickness from affecting an occupant in a moving vehicle (1), the method comprising: - receiving trajectory data representative of a trajectory to be travelled by the vehicle (1) over a predetermined distance; - predicting at least one acceleration to which the vehicle (1) will be subjected while travelling along said trajectory; and - providing information representative of at least the magnitude of the predicted at least one acceleration to the occupant, a predetermined time before occurrence of the predicted at least one acceleration.

An electric vertical take-off and landing (eVTOL) aircraft can enhance energy efficiency, safety, and operational range. A deployable wing structure can provide aerodynamic lift during horizontal flight, reducing reliance on energy-intensive propellers. Integrated flexible solar panels capture solar energy, contributing additional power and optimizing energy management. The wing system also includes an emergency descent mode, doubling as a glide-assist device for controlled landings during critical failures. The system offers modular configurations for various missions, ensuring adaptability and improved flight performance. The eVTOL can be implemented with systems and methods for mitigating motion sickness. The systems integrate tactile feedback systems into wearable devices and environmental components. Sensors detect motion and environmental changes, and a computing device can generate corresponding tactile feedback signals. Tactile actuators embedded in the devices or components provide non-visual motion cues, such as pressure, vibration, and haptic feedback, to resolve sensory mismatches between the vestibular and proprioceptive systems.

The invention relates to the technical field of physiological signal processing, and discloses a motion sickness detection device and system and a storage medium. Based on a signal preprocessing module, a feature extraction module, a feature weighting module, a global feature capture module and a classification detection module which are sequentially connected, the device executes the following steps: performing preprocessing and data enhancement on an electroencephalogram signal to obtain a preprocessed electroencephalogram signal; a convolution module is used for sampling up and down in a time frequency dimension to obtain local time frequency characteristics of the preprocessed electroencephalogram signals; performing feature weighting on the local time-frequency features to obtain a feature weighted graph; inputting the feature weighted graph into a Transform module to capture global features to obtain the global features; according to the method, global features are used as data to be classified to be input into a full connection layer and finally pass through a Softmax layer to calculate prediction probabilities of multiple categories, so that efficient feature extraction and accurate classification of the electroencephalogram signals are realized, and motion sickness symptoms of a subject are effectively monitored and evaluated.

Methods and apparatuses for providing visual output to mitigate motion sickness are described. Sensed data representing vehicle motion and data for determining a point of focus on a display are obtained. A foveal region of the display and a peripheral region of the display are defined relative to the point of focus. A visual output is provided, via the display, with visual cues representing the vehicle motion, the visual cues being provided in the peripheral region and being excluded from the foveal region.

The utility model provides motion sickness monitoring equipment based on multiple sensors, which is characterized in that a sensor group comprising a body temperature sensor, a galvanic skin sensor, a pulse sensor and a motion sensor is arranged on a wearing carrier and is electrically connected with a control circuit board, and meanwhile, the control circuit board is electrically connected with a power supply; the body temperature sensor, the galvanic skin sensor, the pulse sensor and the motion sensor are used for collecting body temperature, galvanic skin, heart rate and motion state information of a person to be monitored, and the collected information serves as objective judgment conditions for follow-up motion sickness prediction, so that the problem that prediction accuracy is affected by too many subjective factors in an existing inquiry mode can be avoided; the dynamic motion sickness monitoring system can monitor motion sickness in real time, can provide prediction conditions in time under the condition that appearance features are not obvious, meets early and timely monitoring requirements of motion sickness, reduces influences on monitored personnel, can meet continuous dynamic monitoring use requirements, realizes data collection, and provides data support for research on motion sickness by detecting a database in the future.

The present invention relates to a cholecystokinin (CCK) antagonist for use in the prevention and / or treatment of a vestibular disease or disorder selected from motion sickness, Meniere's disease, vestibular migraine, disembarkment sickness, labyrinthitis, vestibular neuronitis, benign paroxysmal positional vertigo, labyrinthine infarction and nausea.

A VR system for vehicles that may implement methods that address problems with vehicles in motion that may result in motion sickness for passengers. The VR system may provide virtual views that match visual cues with the physical motions that a passenger experiences. The VR system may provide immersive VR experiences by replacing the view of the real world with virtual environments. Active vehicle systems and / or vehicle control systems may be integrated with the VR system to provide physical effects with the virtual experiences. The virtual environments may be altered to accommodate a passenger upon determining that the passenger is prone to or is exhibiting signs of motion sickness.

The invention is applied to the technical field of intelligent health and biological feedback, and discloses a VR motion sickness state detection method based on multi-modal physiological parameter fusion, and the detection method comprises the following steps: S1, carrying out data acquisition through a data acquisition module: fixing an electrocardiosignal around a heart in the form of three-lead number electrode points, setting the sampling frequency to be 1024Hz, and setting the sampling time to be 1h; the skin electric signal acquisition is arranged at the tail end of a finger in a 2-lead number electrode point form, the sampling frequency is 64Hz, and the central electric signal and the skin electric signal in the VR operation process are respectively acquired from a heart signal and a finger skin surface layer signal of an operator. According to the VR motion sickness state detection method based on multi-modal physiological parameter fusion, the activity of an autonomic nervous system and the activity of a sympathetic nerve are reflected through electrocardio signals and skin electric signals respectively, physiological reactions of motion sickness are captured from different dimensions, and physiological state information when the motion sickness occurs is extracted more accurately through multi-modal fusion analysis.

The invention discloses a motion sickness prevention and control method and a related device. The method comprises the steps that the motion sickness condition of a user is analyzed based on target data; the motion sickness condition comprises a target motion sickness cause of the user; the target data comprises user data indicating a user state and / or motion data indicating a motion condition of target equipment; the target device is a device which causes the user to generate motion sickness; and recommending a motion sickness prevention and control strategy based on the motion sickness condition. By adopting the embodiment of the invention, motion sickness prevention and control can be effectively realized.

The invention relates to the technical field of vehicles, particularly provides an anti-carsickness method, electronic equipment, an anti-carsickness system and a storage medium, and aims to solve the problem of how to prevent or relieve carsickness. In order to achieve the purpose, the method is applied to the carsickness prevention system and comprises the steps that electronic equipment in the system obtains first sensor data and sends the first sensor data to a vehicle; a vehicle in the system obtains second sensor data, obtains a first motion state of the user according to the second sensor data and the first sensor data and sends the first motion state to the electronic equipment; when the vehicle and / or the electronic equipment are / is in a motion sickness compensation mode, the vehicle and / or the electronic equipment determine second motion states of preset animation elements on respective display interfaces according to the first motion states, and motion sickness compensation animations are generated and displayed according to the preset animation elements and the second motion states of the preset animation elements, the second motion state is used for simulating the first motion state. Through the method, the carsickness of the user during riding can be effectively prevented or relieved.

The invention relates to the technical field of intelligent driving, and provides an intelligent driving method and system based on driver biofeedback. The method comprises the following steps: firstly, acquiring multi-mode biological signals such as heart rate, electrodermal response and eye movement track of a driver and a vehicle movement signal in real time through an in-vehicle sensor; carrying out cross-modal feature fusion and analysis on the signals by utilizing a driver state analysis model, carrying out parallel calculation on tensity, motion sickness and attention level indexes of the driver, and generating a quantized comfort level score; furthermore, in a trajectory planning stage, a comfort level score corresponding to each candidate trajectory is predicted through a personalized comfort level prediction model, the comfort level score is used as an optimization target parallel to safety and efficiency for comprehensive decision making, and finally an optimal trajectory is selected for execution. According to the invention, the automatic driving system can sense and respond to the subjective state of the driver in real time, the tension and motion sickness of passengers can be effectively relieved, and the riding comfort and personalized experience are improved.

Images of a player of a computer game are analyzed to determine whether motion of the player such as sway may resemble a precursor motion pattern to motion sickness, so that the player may be advised accordingly before the symptoms of motion sickness manifest themselves.

Electronic system (1) designed to analyse and validate of emergency interventions of a vehicle according to a behavioural state of a subject driving the vehicle and comprising: a sensory system (2) configured to output signals indicative of physiological and image data related to the subject; and an electronic processing unit (3) in communication with the sensory system and being configured to receive the signals and process them to output corresponding statistical data related to the subject. The electronic system (1) is designed to process the data outputted by electronic processing unit (3) to determine a behavioural state and / or transitions thereof to determine the sleepiness level, the motion sickness level and the emotional state of the subject and generate a feedback to provide to an end user and provide emergency intervention to the subject based on the sleepiness level, the motion sickness level and the emotional state of the subject.