57 results about "Virtual field" patented technology

The invention provides a wind power plant equipment modeling and operation and maintenance management and control method and device based on digital twinning, and the method comprises the steps: restoring a fan entity based on a 1: 1 three-dimensional modeling technology, integrating multi-source data, including equipment sensor, video monitoring and GIS topographic data, and achieving the real-time mapping of a physical field and a virtual field through the construction of a high-precision digital twinning model. And the intelligent decision support module predicts wind resource distribution by using a dynamic boundary layer model, optimizes a grid-connected control strategy in combination with a virtual inertia simulation technology, and guarantees the transient stability of the power grid in a new energy fluctuation scene. And the full-life-cycle management platform supports full-process management from site selection planning, operation monitoring to fault diagnosis, and realizes multi-service data fusion display and interactive operation and maintenance strategy verification through a three-dimensional visual large screen.

The invention provides a user behavior intention recognition method and device based on multi-modal data fusion, and relates to the technical field of data processing.The method comprises the steps that a multi-modal observation sequence is obtained, initial features are formed through time synchronization and mutual information screening, a cross-space initial offset vector is generated in combination with virtual space offset parameters, and the cross-space initial offset vector is obtained; establishing an association relationship between a real action and a virtual action through nonlinear mapping to obtain a cross-space registration feature; generating a correction coefficient according to the proportion of the real action amplitude and the virtual action amplitude, and performing amplitude correction to obtain a cross-space correction feature sequence; compensating rendering delay and synchronous drift by using weighted fusion of the current feature and the lag feature to obtain a time sequence correction feature; outputting cross-space fusion features through a unified embedding space and a cross-modal attention mechanism; and non-linear intention mapping is constructed based on the fusion features, and a user behavior intention result is inferred and output in combination with time smoothing. According to the invention, the accuracy of user behavior intention analysis in a virtual field scene can be improved.

The invention provides a virtual external field test system, which comprises an electromagnetic shielding cabinet and a plurality of compact fields in the electromagnetic shielding cabinet, each compact field is formed by a reflecting surface and a feed source, and the plurality of compact fields can move along an arc-shaped guide rail. Therefore, electromagnetic waves in different directions and at different angles are simulated to test the performance of the to-be-tested signal transceiver assembly. In addition, a wave-absorbing baffle plate is arranged between adjacent compact fields, and a wave-absorbing baffle plate is also arranged on the side surface of the feed source for preventing signal interference. According to the scheme, the miniaturization of the virtual external field test system is realized through the compact field in a scene that the number of the millimeter wave active antenna arrays is continuously increased, the occupied area of the virtual external field test system is effectively reduced, and the cost is saved.

The invention discloses a method and device for generating an environment picture outside a vehicle and the vehicle, and relates to the technical field of vehicles. The method comprises the steps of determining a three-dimensional semantic map corresponding to an external environment of a trailer based on point cloud data and image data corresponding to the external environment of the trailer; determining a virtual model corresponding to the trailer device based on the current attitude data and the trailer parameters of the trailer device included in the trailer; based on the three-dimensional semantic map and the virtual model, displaying a virtual view image corresponding to the trailer; the virtual view picture comprises external environment information of the trailer. In this way, the view coverage rate and accuracy of the generated vehicle exterior environment picture can be improved.

A system for remotely monitoring a patient in a patient environment. The system receives an environment view and determines one or more objects for monitoring in the environment view. The system receives video data of the one or more objects. The video data is captured by a camera positioned inside the patient environment. The system generates a virtual field of view using the video data of the one or more objects. The virtual field of view provides the environment view and detailed views of the one or more objects within the environment view.

The present invention is a monorail crane operation monitoring system and method based on VR simulation, which relates to the field of VR virtual reality; the VR virtual device subsystem is communicatively connected to a structure data acquisition module and a robot display module; the present invention obtains a VR virtual scene of the monorail crane operation by setting VR virtual interactive glasses, and collects structure data of the monorail crane operation through a robot wearing VR virtual interactive glasses; processes the structure data to obtain abnormal structure data; receives the abnormal structure data, obtains an abnormal functional structure area according to the abnormal function data, generates abnormal three-dimensional structure data based on the abnormal functional structure area and presents it; generates an alarm signal according to the abnormal functional structure area; receives the alarm signal and processes the abnormal functional structure area; the present invention improves the accuracy and convenience of the monorail crane in operation monitoring.

An apparatus and method for triggering a performance mechanism with a group task in a virtual concert by establishing a virtual field corresponding to a participating group and displaying a virtual character of a member of the participating group in the virtual field during the progress of the virtual concert, and assigning a common task to the participating group. The interactive behaviors of the members are identified according to the behavior information transmitted by the clients of the members, and the corresponding interactive behaviors are presented on the virtual characters of the members in real time, so that each member participating in the group perceives the interactive behaviors presented by the virtual characters of other members through the clients. And determining a task completion state of each member completing the common task according to the interaction behavior of each member, and presenting a corresponding performance content and / or performance effect when the task completion state reaches a progress threshold value, so that the technical effect of improving group viewing experience and interaction immersion in the performance process of the virtual concert can be achieved.

Mobile calibration of a display for a smart helmet is provided. A smart helmet includes a heads-up display (HUD) configured to output a graphical image within a virtual field of view on a face shield of the smart helmet. A transceiver is configured to communicate with a mobile device of a user. A processor is programmed to receive, via the transceiver, calibration data from the mobile device related to one or more captured images from a camera on the mobile device, and alter the virtual field of view of the HUD based on the calibration data. This allows a user to calibrate the HUD of his / her smart helmet based on images received from the user's mobile device.

To provide a content distribution system, or the like, which can increase a motivation to post a post object or an effect of performances in content distribution.SOLUTION: A server system for distributing a content of a performance that a performer performs on a performer terminal to a viewer terminal of a viewer includes: a display processing unit which executes display processing of a content in which a post object moves, the post object being posted by the viewer consuming a parameter of the viewer, in a virtual field where the performer performs; and a provision processing unit which executes processing to provide the performer with a present corresponding the posted post object or the consumed parameter when the post object posted to the virtual field is collected, or provide the viewer who has posted the post object with a return corresponding to the posted post object or the consumed parameter when the post object posted to the virtual field is not collected.SELECTED DRAWING: Figure 8

The invention relates to the technical field of metal material modeling, in particular to a metal anisotropy dynamic mechanical property GRU-VFM collaborative modeling method based on the inertial effect. According to the method, a special-shaped test piece impact experiment is carried out, and external loads borne by a test piece in the impact process do not need to be measured; only time sequence strain field and acceleration field data in a test piece deformation process need to be synchronously collected, a double-branch GRU network model for time sequence feature extraction is constructed, and a neural network loss function is designed based on a virtual field method principle. And the advantages of the virtual field method indirect regulation and control network stress prediction capability and the full-field data deep information mining capability of machine learning are fully exerted. After the network is trained, the created material mechanics constitutive model can realize accurate prediction of a material dynamic stress field according to actually measured strain field-acceleration field data, and can be used for carrying out finite element numerical simulation based on neural network material constitutive.

The present application relates to the field of material mechanical property characterization, in particular to a high-temperature thermal softening variable stiffness and strength metal elastic-plastic parameter global characterization method, comprising: obtaining strain field data and temperature field data of the test piece, and tensile load data; constructing a thermal-mechanical coupling elastic-plastic constitutive model of the metal plate, and establishing a target function of temperature-related parameters to be solved under the constraint of multiple virtual fields based on the virtual work principle; accurately identifying high-temperature thermal softening elastic parameters by using elastic stage data, and then identifying anisotropic strength thermal softening plastic parameters by using composite field data of the whole loading process under variable stiffness; the present application breaks through the condition restriction of constant stiffness when characterizing thermal-mechanical coupling properties of metal materials by using existing test methods, and can realize global accurate characterization of high-temperature thermal softening and anisotropic complex elastic-plastic thermal-mechanical coupling property parameters by only one test, thereby minimizing the number of tests and simplifying the test process.

A system for creating a virtual field device is provided. The system includes a processor having memory that when executed causes the processor to provide a sensor selection user interface element configured to receive user selection of at least one process sensor providing high-speed, unfiltered measurement data. The processor also provides a processing selection user interface element configured to receive user selection of at least one processing action to perform on the high-speed, unfiltered measurement data to generate a process output. The processor also provides an output selection user interface element configured to receive user selection of at least one remote device to which the process output is communicated. A computer-implemented method of creating a virtual field device is also provided.

This application discloses a multi-channel stimulation abnormal gait intervention and correction system and electronic equipment, relating to the field of smart medical technology. The system includes: a sensor that collects the target subject's gait data in real time during the abnormal gait intervention treatment process; a control terminal that calculates the target subject's current gait cycle information in real time based on the gait data at preset time intervals, predicts the target subject's step start time, and determines rhythmic audio that is in sync with the current gait cycle information; an audio rhythm intervention terminal that plays rhythmic audio to the target subject; a pressure and muscle electrical stimulation intervention terminal that applies pressure and electrical stimulation to the target subject's thigh corresponding to the step at the target subject's step start time; and virtual reality glasses that display a virtual model of a medical staff member in the front right of the virtual field of view, and through the virtual model of the medical staff member, outputs step guidance information in the form of voice and / or action to the target subject at the target subject's step start time. This solution improves the intervention effect of abnormal gait.

The invention discloses a virtual object control method and device, equipment and a storage medium, and belongs to the technical field of virtual world. The method comprises the steps that in a first view angle mode, a first view angle picture is displayed in a scene interface of a virtual scene, and the first view angle picture is a picture obtained by observing a first virtual site in the virtual scene at a first view angle; the first virtual field is one of at least two virtual fields contained in the virtual scene; each of the at least two virtual sites comprises at least one virtual object; in response to the received first view angle switching operation, switching to a second view angle mode; in the second view angle mode, a second view angle picture is displayed in the scene interface of the virtual scene, and the second view angle picture is a picture obtained by observing a second virtual site in the virtual scene at a second view angle; the second virtual site is the other virtual site except the first virtual site in the at least two virtual sites. The interaction efficiency between the player and the virtual scene can be improved.

The invention provides a pregnant and lying-in woman health management journey visualization method and system based on a virtual reality technology, and the method comprises the steps: collecting the health data of a pregnant and lying-in woman in a whole period from a pre-pregnancy preparation stage to a postpartum recovery stage, and carrying out the cross-dimension standardized conversion processing of the collected whole-period health data sequence, a multi-dimensional virtual scene assembly set comprising a physiological cycle feature model, a living environment interaction module and the like is constructed according to the health state feature set, and the health state and the living environment of pregnant and lying-in women are simulated in an all-around mode; a multi-dimensional virtual field component set is subjected to space-time linkage integration, a dynamic continuous virtual health journey covering a whole period is generated through multi-rule constraints, health changes are visually presented, and finally a multi-mode interactive virtual visual interface is generated based on the dynamic continuous virtual health journey, so that the health management effect and quality are improved.

The application discloses a kind of determination methods of being visited point, device and the attribute data optimization method of being visited object, by the geometric morphology fitting of being visited object, obtain the cropped viewport for representing being visited object, then under the constraint of visual angle, the virtual field of view space formed when light beam is emitted by projection center to cropped viewport is determined, again, the region that the virtual field of view space constitutes obstruction is identified and eliminated, obtain safe visible region;Then under the premise of ensuring that cropped viewport does not lose feature, the photographable area of tour equipment in virtual field of view space range is calculated;In the case where there is intersection region in the safe visible region and the photographable area, the final tour point of the visited object is determined according to intersection region. Thus, by solving the final tour point in the intersection region calculated, more reasonable and accurate tour position can be obtained to improve the success rate, accuracy and safety of intelligent power inspection task.

The invention relates to a reservoir inspection method and a reservoir inspection system based on AR (Augmented Reality), and relates to the field of reservoir inspection. The reservoir inspection method based on AR is applied to the reservoir inspection system, and the reservoir inspection system comprises a plurality of circular magnetic sheets, an unmanned aerial vehicle, an AR system, a maintenance robot and a master console. The unmanned aerial vehicle has a multi-angle photographing function, and a patch mechanism is installed at the bottom of the unmanned aerial vehicle and comprises a hollow cylinder and a linear reciprocating mechanism. Through the AR system, the virtual real scene is completely displayed in the visual field of the maintenance robot or the unmanned ship, so that the maintenance robot or the unmanned ship can realize normal inspection and simple maintenance operation according to the magnetic sheet coordinate system and the virtual visual field of the AR real scene even if the maintenance robot or the unmanned ship cannot see the reservoir appearance in the actual scene; the working intensity of engineers can be reduced, the method is suitable for routing inspection and maintenance operation in severe weather, the stability of daily routing inspection work of the reservoir is improved, and normal execution of the routing inspection work of the reservoir is guaranteed.

The present invention discloses a method for optimizing the design of a surface array formation based on a spatial virtual field source. This method uses the traveling wave method to construct a spatial virtual wavenumber-frequency spectrum field source function for the surface array response, and based on the wavenumber domain beamforming processing algorithm or the direct measurement method, a target response function for the virtual field source is established. By taking the improvement of the resolution of the typical wavenumber segment of the formation and the maximization of the measurement accuracy in the full wavenumber segment as the basis, a multi-objective optimization criterion is established, and then the final optimized formation is obtained through continuous iteration. This method provides a virtual excitation source input for the numerical simulation process required for array formation optimization, can effectively support the design of the surface array formation, and greatly improves the test capabilities of the surface array in wind tunnel, water tunnel, flight, underwater and other tests.

A motion path recommendation method for a virtual field is executed in a processor and includes: obtaining a real field map and a virtual field map; setting a starting point and an ending point of the virtual field domain map in a real movable range of the real field domain map; arranging the positions of the virtual field domain map to enable the virtual map range of the virtual field domain map and the real movable range to have the maximum overlapping area; in the virtual field domain map, generating a plurality of different paths according to the number of nodes, the starting point and the ending point so as to set the longer path in the real movable range as a recommended path; and controlling a display to display the recommended path.

To provide a content distribution system or the like capable of improving motivation, a performance effect or the like of input of a contribution object in content distribution.SOLUTION: A server system for distributing content of a performance performed by a performer on a performer terminal to a viewer terminal of a viewer includes a display processing unit configured to perform display processing of content in which a post object moves in a virtual field in which the performance of the performer is performed, the post object being able to be contributed by the viewer consuming a parameter of the viewer, and a gift giving unit configured to give a gift corresponding to the contributed post object or the consumed parameter to the performer when the post object contributed to the virtual field is collected. And a giving processing unit configured to perform processing of giving a return material corresponding to the contributed post object or the consumed parameter to the viewer who contributed the post object in a case where the post object contributed to the virtual field is not collected.SELECTED DRAWING: Figure 8

In an example, features in an environment of a vehicle can be detected with live perception from a wide field of view sensor. Sensor data generated by the sensor can be adjusted to represent a virtual field of view that is different from the actual field of view of the sensor, and the sensor data, with or without the virtual adjustment, can be applied to a stereo projection algorithm to generate a projected image. The projected image can then be applied to a machine learning model, such as a deep neural network (DNN), to detect and / or classify features or objects represented therein. The machine learning model can be pre-trained on training sensor data generated by a sensor having a field of view that is less than the field of view of the wide field of view sensor, such that the virtual adjustment and / or the projection algorithm can update the sensor data to be suitable for accurate processing by the pre-trained machine learning model.

The invention discloses a virtual scene operation method and device, equipment, a storage medium and a program product, and belongs to the technical field of virtual world. The method comprises the following steps: displaying a scene interface of a virtual scene, wherein the virtual scene comprises a virtual field; the virtual field is used for at least two virtual objects to fight through virtual chess pieces; displaying an exchange control in the virtual scene interface; in response to the received trigger operation on the exchange control and the quantity of virtual resources owned by a first virtual object meeting a first condition, increasing the upper limit of the quantity of the virtual chess pieces owned by the first virtual object in the virtual field; the first virtual object is one of at least two virtual objects.

The application relates to the technical field of instrument control simulation, in particular to a simulation device and method of a nuclear safety level DCS (Distributed Control System) field control station and a storage medium, the device comprises a plurality of virtual field control stations used for simulating the existing field control station, the virtual field control station comprises a data processing module, a simulation processing module, a virtual board card module and a communication module; the method comprises the following steps: carrying out inter-station communication connection and external station communication connection of the virtual field control station; carrying out data processing of the virtual field control station; creating a virtual board card; processing simulation instructions to complete simulation of the virtual field control station on the existing field control station; various types of board cards are virtually created through the virtual board card module, different types of board cards are individually virtually created, communication in the station and external station communication are realized through the communication module, shared memory is created through the data processing module, data exchange between modules is more efficient, and finally simulation processing is realized through the simulation processing module.

The invention relates to an AV-based field management method, system and device, a medium and a program product, and belongs to the field of intelligent management. According to the technical scheme, the method comprises the steps of inputting a project safety standard file into a natural language processing model, and extracting a safety facility standard; establishing a field digital twin 3D model; extracting field safety facility information according to the field digital twin 3D model; and comparing the on-site safety facility information with the safety facility standard, and determining the on-site safety facility which does not meet the safety facility standard in the on-site digital twin 3D model. According to the invention, effective fusion of safety facilities of a real physical world and safety management of the digital twinning 3D model can be realized, a virtual field digital twinning 3D model is enhanced, the safety management capability of the field digital twinning 3D model is enhanced, the safety management efficiency is improved, and the intelligent level of safety management is improved.

The invention relates to a virtual chess piece control method and device, equipment, a storage medium and a program product, and relates to the technical field of virtual worlds. The method comprises the steps that a scene interface of a virtual scene is displayed, the virtual scene comprises a virtual site, and the virtual site comprises a first virtual chess piece and at least two second virtual chess pieces; responding to the situation that the second virtual chess piece does not exist in the interaction range of the first virtual chess piece, and controlling the first virtual chess piece to move to the target virtual chess lattice; and in response to the situation that the first virtual chess piece is located in the target virtual chess lattice and a second virtual chess piece exists in the interaction range of the first virtual chess piece, controlling the first virtual chess piece to interact with the second virtual chess piece in the interaction range. The effectiveness of moving the first virtual chess piece can be ensured, the winning rate of the first virtual chess piece is improved, and then the strategic performance of a virtual game is improved.

The system according to this embodiment aims to provide urban students with opportunities to study at local educational institutions and to make effective use of local educational resources. [Solution] The system according to this embodiment comprises an analysis unit, a proposal unit, a lecture unit, an interpretation unit, and a field trip unit. The analysis unit analyzes students' interests and learning styles. The proposal unit proposes the most suitable local educational institutions and curricula based on the information analyzed by the analysis unit. The lecture unit provides real-time lectures based on the curriculum proposed by the proposal unit. The interpretation unit provides simultaneous interpretation of the lectures provided by the lecture unit. The field trip unit provides virtual field trips based on the curriculum proposed by the proposal unit.

The invention is suitable for the technical field of new energy system testing, and provides a testing method and electronic equipment, and the method comprises the steps: loading the configuration information of a virtual station, building at least one transmission link between the virtual station and a target master station based on the configuration information of the virtual station, the virtual station and the target master station can communicate through at least one transmission link, and when the virtual station and the target master station perform interaction of operation data of the virtual station through one transmission link, basic analysis capability test and pressure test of the target master station can be realized based on the operation data of the virtual station. According to the technical scheme of the invention, when the virtual field station communicates with the target master station through the plurality of transmission links, the switching function test of the transmission links can be realized, so that the diversified test requirements of the master station are realized through the at least one transmission link.

The application discloses a method and device for generating an out-of-vehicle environment picture and a vehicle, and relates to the technical field of vehicles. The method comprises the following steps: determining a three-dimensional semantic map corresponding to an out-of-vehicle environment of a towing vehicle based on point cloud data and image data corresponding to the out-of-vehicle environment; determining a virtual model corresponding to a towing device included in the towing vehicle based on current posture data and towing parameters of the towing device; displaying a virtual field of view picture corresponding to the towing vehicle based on the three-dimensional semantic map and the virtual model; and the virtual field of view picture comprises out-of-vehicle environment information of the towing vehicle. In this way, the field of view coverage and accuracy of the generated out-of-vehicle environment picture can be improved.

The application provides a kind of based on power distribution network construction operation behavior specification detection method, the application relates to power system construction operation safety management and intelligent monitoring technical field, the specification detection method of the application includes: identifying the needle insulator in the video stream collected by first worker and second worker as operation anchor point, generates the steady video stream with insulator as the image physical center;Steady video stream is mapped to cylindrical surface and weighted fusion is carried out, generate panorama, and panorama is logically divided into quadrant field of view containing main visual angle, opposite visual angle and virtual field of view, the compliance area boundary is mapped back to main visual angle by inverse cylindrical-plane projection, and depth and safety distance detection is carried out;Generate dynamic occlusion mask under panoramic space, when detecting that main visual angle is blocked, lock opposite visual angle as complementary window, determine the binding quality under the blocked area by calculating the spiral texture energy and periodic variance in the complementary window.

The invention relates to the technical field of electric power engineering construction safety protection, and discloses an electric power construction vehicle anti-electric shock safety distance early warning system and method based on multi-source perception, and the method comprises the steps: a micro-motion excitation synchronous perception module converts space electric field distribution into time modulation signals through superposing micro-motion signals, and carries out the synchronous collection; the phase-locked chromatography inversion module extracts a gradient signal through orthogonal demodulation and inverts a space potential gradient modulus; the damping mapping prediction module maps the gradient modulus into a virtual field damping matrix, and predicts the maximum displacement boundary of the tail end of the suspension arm in combination with a kinetic equation; and the potential well early warning judgment module compares the instantaneous total mechanical kinetic energy with the maximum dissipated work based on the energy potential well safety criterion, and executes damping enhancement or forced locking operation. According to the invention, through active frequency modulation detection and field machine coupling control, environmental noise interference and inertial electric shock risks are effectively avoided, and the active protection capability under complex working conditions is improved.