88 results about "Spatial simulation" patented technology

The invention relates to the technical field of environment monitoring, in particular to a control optimization method, system and device for environment monitoring and a medium, and the method comprises the steps: dividing a unit monitoring volume into a single space, then calculating a data deviation value based on the obtained environment data of n time points, dividing the single space into a conventional space and an edge space, and obtaining a data deviation value; meanwhile, an environment representative value is calculated according to conventional spatial data, the difference characteristic value and the edge frequency of each single space are calculated and comprehensively processed to determine a spatial outlier, and then the single space is divided into a stable region and a fluctuation region according to the spatial outlier; selecting a feature region by combining labels of adjacent regions of a single space in the space simulation model, and setting monitoring equipment; according to the invention, accurate layout of the monitoring equipment can be realized, the monitoring equipment is emphatically arranged in the fluctuation area and the key feature area, and the monitoring capability and the response speed of environmental change are improved.

Disclosed are a method and an apparatus for determining a safe distance for a karst cavity, a device, and a storage medium. The method comprises: acquiring geological survey data of a target karst region, and constructing a geological simulation model of the target karst region on the basis of the geological survey data; on the basis of feature information of a target karst cavity, constructing a spatial simulation distribution model of the target karst cavity; on the basis of tunnel design parameters, integrating the geological simulation model and the spatial simulation distribution model to obtain a tunnel construction model of the target karst cavity; embedding preselected vehicle information into the tunnel construction model to obtain a corresponding tunnel operation model; and creating disaster simulation events, performing risk prediction for the tunnel operation model, and determining a safe distance for the target karst cavity on the basis of risk prediction results. The method and apparatus for determining a safe distance for a karst cavity, the device, and the storage medium in the present invention optimize tunnel design and construction, ensure the safety of tunnel construction and operation, and provide accurate data model support for actual tunnel engineering.

To display a display image of an interior space including interior equipment that matches a user's image by a simple operation.SOLUTION: An interior space simulation device 1 comprises: an acquisition unit 12 for acquiring atmosphere information of an interior space input by a user terminal 200; an extraction unit 13 for extracting a plurality of images of interior spaces stored in association with the acquired atmosphere information of interior spaces from a storage unit 11; a selection unit 14 for selecting a prescribed number of images of interior spaces from among the plurality of extracted images of interior spaces; and a transmission unit 15 for transmitting at least one of the prescribed number of selected images of interior spaces to the user terminal 20. If an image similar to an image of any interior space constructed by an entity in the past can be retrieved from among the plurality of images of interior spaces through image recognition, the selection unit 14 selects the retrieved image of the interior space as the prescribed number of images of interior spaces.SELECTED DRAWING: Figure 1

The invention discloses a resident welfare space simulation method fusing remote sensing and perceptual survey, which comprises the following steps of: constructing a resident welfare characteristic index system by utilizing multi-source satellite remote sensing data, constructing a resident economic welfare grid sample with the spatial resolution of 30m in combination with home-entry survey data, and introducing a deep neural network machine learning algorithm to simulate the resident welfare space. A resident welfare space evaluation intelligent model fusing remote sensing and sensing survey data is constructed, and village and town scale space welfare simulation is achieved. According to the method, advantage complementation of resident perception quantitative information and geographical environment feature information can be realized, the resident welfare spatial distribution features can be evaluated more comprehensively and accurately, and a scientific basis is provided for policy making and social development.

The invention relates to the technical field of air tightness detection, in particular to a retail wholesale channel supervision system based on a cloud platform, which comprises a detection room, a detection module, a processing module and a processing module, comprising a space simulation assembly, an internal pressure test assembly used for simulating an internal air pressure environment of a packaging sample, and a recess test assembly used for detecting the recess depth of the packaging sample; the environment simulation module is used for simulating different storage conditions of the packaging samples and comprises a low-pressure simulation assembly for simulating a low-pressure environment of the packaging samples by extracting gas in the internal space of the detection chamber and a low-temperature simulation assembly for simulating a low-temperature environment of the packaging samples by absorbing heat in the internal space of the detection chamber; and the control module is used for determining a sample with unqualified gas tightness according to the gas permeability. The accuracy of package air tightness detection is improved, cloud management and control can be realized, and the quality of channel commodities is ensured.

The invention discloses an umbilical vein catheterization virtual-entity fusion training system based on a novel material, and relates to the technical field of medical simulation training. According to the system, a dynamic three-dimensional umbilical vein anatomical model is constructed through the virtual simulation unit, the entity operation unit adopts a bionic gradient material to simulate neonatal umbilical tissue, and the binding force feedback unit realizes tactile-visual dual-channel interaction. Comprising a multi-source coupling coordinate calibration algorithm, a viscoelastic layered deformation transmission algorithm and the like, and the problems of insufficient operation authenticity and feedback lagging in traditional training are solved by dynamically matching virtual and entity operation spaces and simulating real tissue mechanical response. The novel material preparation unit realizes mechanical property matching with human tissues through a nano-composite process, and the environment simulation unit can reproduce various pathological scenes. The immersion and effectiveness of operation training are remarkably improved, and the method is suitable for standardized training of medical staff in the neonatology department.

The invention relates to the technical field of land data planning, and discloses a reasonable land planning system based on machine learning carbon storage, and the system comprises a multi-source data fusion module, a carbon storage prediction module, a three-generation coordination discrimination module, a land use intelligent optimization module, a scene interaction deduction module, and a planning result generation module. By integrating data such as standardized land utilization and carbon density, a machine learning model is utilized to predict the dynamic state of the carbon density in real time, and the functional coordination degree of the three plants is quantitatively evaluated; and then, by taking the improvement of the carbon reserves and the coordination of the three plants as targets, carrying out spatial simulation and iterative optimization in combination with multi-objective optimization and a cellular automaton, comparing different policy carbon sink effects through scene deduction, and finally outputting an optimization scheme, thereby realizing the real-time closed loop of evaluation and optimization, and synergistically improving the carbon sink benefits and the three-plant function.

The invention discloses a land type adjustment and simulation method based on carbon neutralization constraint, and the method comprises the following steps: obtaining land data of a target region, and calculating the carbon flux of each classification space; constructing a carbon profit and loss weight function based on the carbon flux, the ecological benefit and the economic benefit as an overall constraint condition; reversely deducing each land space area corresponding to a preset time node on the basis of a Markov chain model, and taking the land space areas as stage constraint conditions; performing NSGA-III optimization solution based on the constraint condition to obtain a corresponding land use adjustment scheme; an improved PLUS model is adopted to simulate a land use adjustment scheme, the carbon cost of land conversion is incorporated into a land utilization simulation process, and a genetic algorithm is utilized to optimize model parameters to obtain a land space simulation result of a target year. According to the method, a carbon cycle mechanism, a carbon sink optimization target and a land utilization decision full process are coupled, a closed loop of carbon constraint-land simulation-policy assessment is realized, and scientific decision support is provided for regional carbon emission reduction and ecological protection.

The present invention discloses a quantitative control method for submerged plants in urban rivers and lakes based on plant growth and decline-nitrogen and phosphorus absorption and release simulation. First, the minimum monitoring grids are selected by combining remote sensing interpretation and spatial simulated annealing algorithm; then, a sample plot survey is carried out in the selected monitoring grids, and the biomass and growth rate per unit area of ​​submerged plants are obtained by using the efficacy analysis method with the minimum sampling frequency; then, the dominant species are selected and brought back to the laboratory to monitor the parameters required for the submerged plant model, and a submerged plant growth and decline-nitrogen and phosphorus absorption and release model is constructed to simulate the dynamic change process of biomass and net nitrogen and phosphorus content in plants; then, the submerged plant model is coupled to the river and lake hydrodynamic-water quality model to simulate the dynamic change process of nitrogen and phosphorus concentration in urban rivers and lakes where submerged plants grow. Finally, different submerged plant harvesting scenarios are set, the accessibility of nitrogen and phosphorus water quality targets in urban rivers and lakes is analyzed, and the optimal harvesting plan for submerged plants is determined. The present invention can realize quantitative, efficient and precise control of submerged plants in urban rivers and lakes.

The present application relates to the technical field of reservoir diagenetic strength prediction characterization, and more particularly to a simulation method for offshore deep reservoir dissolution strength, which is characterized in that, according to the relationship between the parameters of diagenetic fluid channels and the reservoir dissolution strength, the diagenetic fluid channels are mathematically characterized, a reservoir dissolution factor calculation model under the guidance of fault parameters is constructed, the model can calculate the dissolution strength in the vertical direction of a single well, and finally, the longitudinal distribution curve of the dissolution factor calculated by the model is combined with seismic data to perform inversion simulation, spatial simulation and prediction of the reservoir dissolution strength, so that quantitative evaluation of the reservoir dissolution effect can be realized. The present application constructs a dissolution factor prediction calculation model based on the quantitative relationship between the dissolution strength and the diagenetic fluid channels, and performs calculation from the cause mechanism of dissolution, so that the rationality and accuracy of the characterization are improved.

The invention designs a digital star simulation detection space target three-dimensional shape recovery verification system and method. A digital star detection space target three-dimensional reconstruction simulation test is realized by reasonably setting the working state of each system unit. Comprising the following steps: a digital star circumference fly-around observation motion simulation unit provides spatial azimuth information such as relative position and attitude of an observation star relative to an observed target star, a sun vector and the like; the image simulation unit is used for carrying out full-link imaging analogue simulation on the geometric structure and surface material characteristics of the space target through relative pose information of the sun, the target and a camera under a J2000 coordinate system provided by the motion simulation unit, and generating a high-precision visible light simulation image of the space target; and the three-dimensional shape recovery unit performs three-dimensional shape recovery processing on the high-precision visible light simulation image of the space target to obtain a complete three-dimensional structure of the space simulation target, and compares a three-dimensional reconstruction result with an input model to realize a three-dimensional reconstruction simulation test of the space target under multiple working conditions.

The present application belongs to the field of ground simulation facilities, and particularly relates to a gravity level ground simulation device and method for extraterrestrial environment welding. The device comprises a general control system, a vacuum system, an outer pipe assembly and a gravity level control mechanism. The general control system can control various parameters during the operation of the device. The vacuum system and the gravity level control mechanism provide two space environment characteristics of high vacuum and different levels of gravity for experiments requiring space simulation. The vacuum degree in the device can reach 10 ‑4 Pa, which can simulate the high vacuum environment in space. The adjustment of different gravity levels of 0-4g0 can ensure that the device has the ability to simulate the gravity of various extraterrestrial planets. Moreover, the device has the advantages of flexible and stable gravity level, high experimental repetition rate, low cost, high safety, etc. and can be used to study the basic welding theory under different gravity levels in space environment, thereby filling the blank of the gravity level ground simulation device specially used for extraterrestrial environment welding.

The invention relates to the technical field of engines, and discloses a clamping device and a test method for a composite material casing installation edge simulation piece, the clamping device for the composite material casing installation edge simulation piece comprises a supporting piece, the surface of the supporting piece is used for placing a simulation piece; the first limiting piece is located on the simulation piece, the first limiting piece is connected with the supporting piece through a first fixing piece, a limiting space is formed between the first limiting piece and the supporting piece, and the first side edge of the simulation piece is located in the limiting space; the second limiting piece is located on the supporting piece, one end of the second limiting piece is connected with the supporting piece, the other end of the second limiting piece abuts against the second side edge of the simulation piece, and the length of the second side edge is larger than that of the first side edge. According to the invention, precise fixation of the simulation piece is realized, the operation process is simplified, the simulation piece is protected, the reliability and efficiency of the test are improved, and the problems of poor clamping precision and complex operation of a clamping device in the prior art are solved.

The application provides a city economic level space simulation method and device, first, multiple source space data are acquired, the research area is divided into a plurality of sub-regions according to the spatial distribution characteristics of the city economic level, and a driving factor data set is constructed by taking a regular space unit as a basic simulation unit;Then, based on the historical city economic level total data, the total quantity constraint model of the city economic level evolution with time is constructed on the sub-region scale;Combined with the attribute information of the space unit, the city economic level grade change probability model of the space unit is established, and the probability of the city economic level grade change of each space unit in a given time stage is calculated;Under the total quantity constraint condition of the city economic level, the dynamic expansion mechanism of the city economic level grade system is introduced, and the city economic level grade of the space unit is distributed and updated;The simulation results of each sub-region are spatially integrated, so that the simulation results meet the overall scale total quantity constraint, so that the city economic level space simulation result is obtained.

The invention discloses a high-fidelity simulation method and system for spatial non-cooperative target perception, and belongs to the technical field of spatial simulation, and the method comprises the steps: selecting a virtual simulation mode or a ground simulation mode, and generating simulation data in a simulation environment; performing synchronous processing on the simulation data; and transmitting the synchronized sensor image data to an algorithm module, carrying out visual SLAM sensing and pose decoupling processing on the synchronized sensor image data, and carrying out coordinate conversion based on the processed relative pose data and the synchronized real pose data to obtain absolute pose data of the spatial non-cooperative target. The method can adapt to different simulation requirements, ensures high fidelity of a simulation environment, can accurately extract image feature points and estimate the relative pose, ensures the accuracy of pose estimation of a space non-cooperative target, accurately simulates physical behaviors in a real space task, and improves the simulation efficiency. And the accuracy of whole-process verification and performance evaluation of the complex space robot system is improved.

The invention relates to the technical field of cultivated land protection simulation and spatial information, and discloses a multi-subject spatialization cultivated land supplementary simulation and scene parameter optimization method and device, and provides a management department, farmer and enterprise multi-subject spatial simulation method and mode by paying attention to the complex decision-making process of farmers and the participation form of a third-party company. Decision simulation of farmland supplement of the farmer under the farmland occupation and supplement balance rule is realized. The farmland plot simulation is not limited to cellular or grid scale, matching of the farmland man-land relationship of farmers is facilitated, the multi-body spatialization modeling capability and the rule scene dynamic simulation capability are improved, the method is more scientific and objective, the simulation precision is higher, the Pareto optimal solution of the rule parameters is obtained through the optimization algorithm, and the method is suitable for large-scale popularization and application. Quantitative rule parameters can be provided for a management department.

To display a display image of an interior space including interior items matching a user's image with a simple operation. [Solution] An interior space simulation device 1 according to the present disclosure includes an acquisition unit 12 that acquires interior space atmosphere information input by a user terminal 200, an extraction unit 13 that extracts from a storage unit 11 a plurality of interior space images stored in association with the interior space atmosphere information acquired by the acquisition unit 12, a selection unit 14 that selects a predetermined number of interior space images from the plurality of interior space images extracted by the extraction unit 13, and a transmission unit 15 that transmits at least one of the predetermined number of interior space images selected by the selection unit 14 to the user terminal 200. The selection unit 14 changes the interior space image to be selected for each user corresponding to a user terminal 20.

The utility model discloses a simulation rack for human body lower limb space in an automobile, which comprises a bottom frame, a foot space simulation component and a leg space simulation component, the foot space simulation component and the leg space simulation component are arranged on the bottom frame, and the foot space simulation component and the leg space simulation component are arranged at intervals along the length direction of the bottom frame. In the testing process, a testee stretches feet to a foot supporting plate of the foot space simulation component and supports shanks on a leg supporting plate of the leg space simulation component, and then the testee adjusts the angle of the foot supporting plate and the angle of the leg supporting plate through the foot adjusting assembly and the leg adjusting assembly according to the comfort degree of the testee. And the specific positions of the foot supporting plate and the leg supporting plate are recorded until the most comfortable posture is reached, the sitting posture states of different sitting heights of the testee and the comfortable space actually required by the lower limbs when the legs stretch forwards can be collected, and the device is used for multi-dimensional development verification of the lower limb space of a co-driver in the automobile development process, such as the multi-dimensional development verification of the lower limb space of the co-driver.

The application belongs to the technical field of simulation test, and particularly discloses a dynamic space simulation method for a global satellite navigation constellation, which is based on the idea of optimizing the overall antenna layout and locally compensating power, and proposes a dynamic space simulation method for the global satellite navigation constellation. The key core of the method is a design process based on triangular antenna layout and a local navigation signal power compensation strategy. The method has the advantages of small antenna quantity requirement, uniform layout, simple antenna path calculation, etc. By using the dynamic space simulation method for the global satellite navigation constellation, the construction of a dynamic test environment for all visible satellite navigation signals from different directions at any position in the global range can be realized in the test space, and the simulation of all visible satellite navigation signals at any position in the global range can be realized.

A system and a method for mixed reality immersive simulation that can be used for simulating a dynamically deformed virtual space that is extensive and spacious in comparison to the actual physical source space surrounding the participants. Said system and method may also provide a multiple spaces simulation, such as alternate combat arenas where several different participants may operate in different mixed reality sub-scenes, while sharing the same physical space as a source space, enabling maximized close quarter spaces.

The present invention discloses a large-sized heavy-loaded cylinder rapid erection simulation mechanism system, which belongs to the field of mechanism simulation technology. The system includes a scissor assembly, a drive assembly, a buffer assembly, a spring assembly and a cylinder equivalent assembly. The scissor assembly is used to achieve the equivalent single-axis rotation of the large-sized heavy-loaded cylinder, the drive assembly provides a power source for the movement of the system, the buffer assembly is used to reduce the impact when the system stops moving, the spring assembly is used to help the scissor assembly pass the movement dead point in the initial state, and the cylinder equivalent assembly is used to be equivalent to an actual large-sized heavy-loaded cylinder. The present invention uses a scissor-type design to achieve the equivalent single-axis rotation of a large-sized heavy-loaded cylinder, reducing the space occupied by the mechanism and achieving sub-second response. Simulate the rapid erection function of a large-sized heavy-loaded cylinder in a confined space; by adjusting the mechanism size and excitation, obtain the "angle-time" target curve of the large-sized heavy-loaded cylinder.

The utility model relates to the technical field of solar heat insulation film tests, and discloses an automobile heat insulation film experience device with an in-automobile space simulation function, which comprises a support placed on the ground and a transparent plate arranged at the upper part of the support and used for pasting a solar heat insulation film, and is characterized in that a frame plate is arranged on the support, and a cavity is formed between the transparent plate and the frame plate; a door plate capable of being opened / closed is arranged on the frame plate, the cavity is communicated with / separated from the outside through opening / closing of the door plate, and a detection table and a detection mechanism are arranged in the cavity. According to the automobile heat insulation film experience device with the function of simulating the space in the automobile, the cavity is formed between the transparent plate and the frame plate, so that the space in the automobile can be really simulated; opening / closing of the vehicle door or the vehicle window is simulated through opening / closing of the door plate, the test of the solar heat insulation film is more real, and the user experience is good.

This invention relates to the field of ecological environment assessment and spatial simulation technology, and discloses a method for grassland degradation ecological risk assessment based on a multi-agent model. The method includes a spatial risk assessment module that acquires multi-source basic data and divides it into discrete grid cells, calculating a landscape ecological risk index to generate spatial distribution results; a driving mechanism identification module that extracts driving factors to construct an improved regression tree model and outputs nonlinear response rules; and a multi-agent dynamic simulation module that constructs grassland environmental entities based on grid cells, injects risk indices and response rules, generates herder behavior entities, and inputs management policy parameters. Iterative calculations are performed using these two types of entities to simulate the dynamic process of herder relocation and resource consumption. After the iteration reaches the target year, the grid landscape attributes are reclassified according to the remaining grass cover, and the data is re-input into the assessment module for aggregation calculations, outputting a spatial distribution map to complete the evolution assessment. This invention can intuitively test the intervention effect of management policies on grassland degradation.

The invention discloses a large-scale resident welfare multi-source remote sensing spatial mapping method, which is based on multi-source remote sensing data, adopts a remote sensing information mining method to extract remote sensing spatial characteristics such as night light radiation intensity, impervious surface density, vegetation coverage index, road density and the like, and extracts remote sensing recessive characteristics related to resident welfare at the same time. Constructing a resident welfare remote sensing feature set; the resident welfare remote sensing features and the resident welfare values calculated by county scale social statistical yearbook data are combined, a space simulation model of resident welfare and remote sensing feature indexes is constructed, a downscaling method is further adopted, resident welfare space continuous simulation is achieved, an improved space self-correlation analysis method is adopted, and the resident welfare analysis efficiency is improved. And large-scale evolution space mapping of resident welfare is realized.

The invention provides a virtual building model runtime generation method and device and electronic equipment, and relates to the technical field of three-dimensional space simulation. The method comprises the steps of performing non-real-time preprocessing on original building contour line data corresponding to a virtual building model, analyzing and converting regularized building data into model entity data with a predefined structure when an application program runs, and after a data change set generated by user interaction operation is received, obtaining a data change set; and carrying out fusion updating on the model entity data, carrying out matching and instantiation on a building prefabricated body from a preset prefabricated body library based on the updated model entity data to generate rendering resources, and carrying out batch processing and component registration on the rendering resources to complete rendering. According to the scheme, the dependence on high-precision static model resources can be reduced in the operation stage, the resource occupation pressure in a large-scale building scene is reduced, and dynamic generation and management of the large-scale virtual building model are realized on the premise of ensuring the operation stability.

The invention discloses a method for automatically generating a three-dimensional simulation wire harness standard production based on a wiring relation, and relates to the technical field of wire harness three-dimensional space simulation length and wire harness production, and the method comprises the steps: S1, drawing an electrical cabinet three-dimensional model according to electrical elements in an electrical cabinet; s2, placing the electrical element in the three-dimensional model of the electrical cabinet, and inputting wiring point character attribute data of the electrical element; s3, drawing a wiring harness path diagram with public target positioning according to the three-dimensional model of the electrical cabinet, the wiring point character attribute data of the electrical element and the public point character data; s4, automatically generating a three-dimensional wire harness with a bundling space distribution position based on an electrical wiring table and the obtained wire harness path diagram; and S5, according to the obtained three-dimensional wiring harness path model, each wiring harness is exported into a corresponding sequence lower line table according to a bundling space position sequence, and inflection point positions of each wiring harness form data to be output to the lower line table.

The present invention discloses a method, device, equipment and storage medium for determining the safe distance of a karst cave based on risk prediction, including obtaining geological survey data of a target karst area, constructing a geological simulation model of the target karst area according to the geological survey data; constructing a spatial simulation distribution model of the target cave according to the characteristic information of the target cave; integrating the geological simulation model and the spatial simulation distribution model based on tunnel design parameters to obtain a tunnel construction model of the target cave; embedding pre-selected vehicle information into the tunnel construction model to obtain a corresponding tunnel operation model; creating various disaster simulation events and performing risk prediction on the tunnel operation model, and determining the safe distance of the target cave according to the risk prediction results. The present invention optimizes tunnel design and construction, ensures the safety of tunnel construction and operation, and provides accurate data model support for actual tunnel engineering.

The invention relates to a general control management system and method for regional development and design. The general control management system comprises a data integration and processing module, a digital twin base module, a plan management module, a spatial analysis module, a general control examination module and a user module. The data integration and processing module is configured to integrate multi-source heterogeneous data and perform cleaning, integration and standardization processing on the integrated multi-source heterogeneous data; the digital twin base module is configured to perform data storage, fusion treatment and visual rendering and provide supporting capability; the plan management module is configured to perform plan decomposition, plan tracking and feedback setting; the spatial analysis module is configured to perform spatial simulation analysis according to the digital twin model; the general control review module is configured to perform review management according to regional design general control standards and processes; the user module is configured to define a use object. Through business function development, important support and management tools are provided for regional development and construction, and the overall management efficiency of regional construction is improved.

The invention relates to a portable box for emergency training, which comprises a box body and a box door, the front surface of the box door is provided with a first accommodating space, and the box body is provided with a second accommodating space; the training host is operably accommodated in the first accommodating space, the training host has a working state and an accommodating state, and in the working state, the training host extends out of the first accommodating space by a preset distance; in the storage state, the training host is completely stored in the first accommodating space; the dummy is accommodated in the second accommodating space; the AED training machine is contained in the second containing space or contained in a containing groove formed in the back face of the box door; the camera module is installed at the position, close to the top, of the front face of the box door, and the shooting angle can be adjusted within a preset range. The portable box is small in size, can better accommodate all teaching equipment, is convenient for a user to carry, and is more convenient to use.

An information processing system, method, and program are provided that evaluate the feasibility of a design system from the perspective of both spatial simulation and system specifications, and grasp the evaluation results in the context of their relevance to the specifications. [Solution] In an information processing system, information processing by an information processing device includes acquiring (S1) spatial model information and design information from a user terminal. The spatial model information describes a physical model in a virtual space of a design system to be designed and includes information on physical quantities that can be calculated in the virtual space, and the design information indicates specifications of the design system, the specifications being set by a user who designs the design system. The information processing also includes associating (S5) the spatial model information with the design information, calculating (S9) an evaluation index related to the feasibility of the specifications in the physical model based on the result of the association, and outputting (S10) the calculated evaluation index in association with the specifications included in the design information.