12636results about "Educational models" patented technology

The invention discloses a low-voltage transformer area examination meter practical training device and a fault simulation control method, and relates to the technical field of electric power practical training. The device aims at the problems of single scene, extensive evaluation and low skill improvement efficiency in traditional electric power practical training. The meter simulation module is compatible with various meters and is matched with a dual-communication protocol to realize efficient data transmission; the intelligent interaction module provides high-quality interaction experience through a high-definition touch screen and low-delay transmission; the data generation module can quickly switch customized scenes, and the fault simulation module can accurately inject various faults; the training management module depends on advanced technologies of knowledge maps, deep learning and fuzzy comprehensive evaluation to realize full-process closed-loop management from project design and operation guidance to evaluation feedback and intelligent optimization; all the modules cooperate efficiently, and the professionality, the accuracy and the efficiency of power failure troubleshooting and operation and maintenance skill training of trainees are remarkably improved.

A method, computer program product, and computer system for receiving, by a computing device, a design scenario for execution on one or more internet based platforms. Seed data may be injected into the one or more internet based platforms during execution based upon, at least in part, the design scenario. Performance of the scenario may be monitored. A report may be generated based upon, at least in part, the performance.

The invention relates to the technical field of grouting simulation tests, in particular to a sandy gravel stratum catastrophe grouting prevention and control virtual-real blending collaborative test method and system, and the method comprises the steps: carrying out a grouting test on a sandy gravel stratum simulation model, and obtaining grouting parameters and monitoring parameters in the grouting process; based on the resistivity and the radar data, further obtaining a slurry diffusion path and a diffusion range of the area with the higher surrounding rock grade; based on the resistivity and the optical fiber sensing data, the slurry diffusion path and the diffusion range of the area with the low surrounding rock grade are further obtained; inputting the initial grouting parameters into the trained neural network model to obtain simulation data; carrying out preprocessing and alignment operation on the previous data, and carrying out fusion analysis; and according to the fusion analysis result, grouting equipment parameters and a grouting scheme are pre-controlled and adjusted. And real-time regulation and control of a grouting scheme and equipment are realized.

Technical solutions are directed to creation and deployment of multi-stage test problems. A processor can provide, to a client, a first data structure for a first stage of a multi-stage test problem including a description for generation of a client solution for the first stage and a test case to evaluate the client solution. The processor can receive, from the client, a client data structure comprising the client solution including a client computer code generated at the client for the first stage. The processor can determine, by evaluating the client solution using an input value and an output value of the test case, that the output of the client solution satisfies a validity condition of the output value. The processor can provide, to the client, based on satisfying the validity condition, a second data structures for a second stage of the multi-stage test problem.

The present disclosure relates to the technical field of landslide hazard model tests, and in particular to a landslide model test method and device for realizing multi-variable synchronous monitoring. In the test device, a soil slope simulation unit is configured to pile up a soil slope and simulate different inclinations of the slope. A rainfall simulation unit is configured to simulate rainfall of different intensities and induce a landslide. A runoff-seepage separation unit is configured to realize separation of runoff from seepage of the slope under the effect of rainfall. A monitoring module is configured to monitor runoff and seepage flow rates of the slope, changes in water content and pore water pressure within the slope, and a morphological change of the slope under the effect of rainfall, to obtain a mechanism of rainfall-induced landslide deformation and damage based on changes in the flow rate.

The invention relates to the technical field of hydraulic engineering, geotechnical mechanics and geological disaster prevention and control engineering, and discloses a landslide surge physical and numerical hybrid model construction method and system and application. Analyzing the landslide instability evolution motion process, the landslide warehousing first wave height and the surge propagation process of the landslide surge; performing a numerical simulation test according to a second result of the landslide surge numerical model test; adjusting the particle size and the kernel function in the landslide surge numerical simulation test, so that the first wave height, the opposite-bank arrival height and the surge pressure distribution in the landslide surge numerical simulation test and the landslide surge physical model test are consistent; and taking the adjusted landslide surge numerical model as the obtained landslide surge hybrid model. The system comprises a first result acquisition module, a second result acquisition module, a test parameter adjustment module and a hybrid model acquisition module. According to the method, different calculation working conditions can be conveniently analyzed.

The invention discloses a fan fault simulation and diagnosis training system and method. A plurality of modules are integrated to realize comprehensive fan fault simulation, diagnosis and training functions. The virtual reality simulation environment module is responsible for creating a fan three-dimensional model and an operation environment and collecting operation data of students; the multi-modal sensor fusion module is used for collecting multi-dimensional data of the running state of the fan; the fault generation and diagnosis module receives the data, generates a simulation fault scene, performs intelligent diagnosis, and feeds back a result to the virtual reality simulation environment module for student reference; the quantum enhancement prediction and optimization module carries out fault prediction according to historical and real-time data of fan operation and provides optimization suggestions; the self-adaptive learning and evaluation module dynamically adjusts the training content and difficulty according to the performance of the trainee; the multi-scale digital twin platform simulates a fan system in an omnibearing manner and shares data with each module; the system provides a vivid training environment for trainees, and is helpful for improving fan fault processing skills.

The invention discloses a personalized in-vitro total digestion glycolysis simulation system, and belongs to the technical field of in-vitro digestion simulation. According to the invention, by dynamically regulating and controlling the emptying amount and the flow velocity of digestive juice, the process of'digesting and absorbing at the same time 'in the small intestine is simulated, and the interaction of colon flora and colon organs is enhanced in combination with a micro-fluidic chip technology, so that the accurate detection of the digestion process and digestion products is realized. The digestion product simulated by the method disclosed by the invention and the flora structure are very close to the real in-vivo structure, so that the method has relatively high authenticity and credibility.

The present disclosure relates to processing data streams from a surgical procedure using multiple interconnected data structures to generate and / or continuously update an electronic output. Each surgical data structure is used to determine a current node associated with a characteristic of a surgical procedure and present relevant metadata associated with the surgical procedure. Each surgical data structure includes at least one node interconnected to one or more nodes of another data structure. The interconnected nodes between one or more data structures includes relational metadata associated with the surgical procedure.

The invention discloses a simulation six-degree-of-freedom real sea condition random wave detection system and a simulation six-degree-of-freedom real sea condition random wave detection method. The simulation six-degree-of-freedom real sea condition random wave detection system comprises the following parts: a wave direction reproduction mechanism for simulating a real sea condition sea surface motion attitude, placing a wave buoy or a wave sensor and providing the motion attitude; the horizontal rotation driving mechanism is used for driving the wave direction reproduction mechanism to horizontally rotate; the laser ranging mechanism is used for calculating the wave height of the wave direction reproduction mechanism; the photoelectric period measuring mechanism is used for calculating the wave period of the wave direction reproduction mechanism; the wave direction angle measuring mechanism is used for measuring the wave direction of the wave direction reproduction mechanism; the bottom plate mechanism provides a detection platform for the whole system; the overall angle measuring mechanism is used for indicating the azimuth angle of the bottom plate mechanism; the land wheel mechanism horizontally moves the whole system and adjusts the bottom plate mechanism to be in a horizontal posture; and the control unit is used for controlling six-degree-of-freedom actions of the wave direction reproduction mechanism, respectively acquiring data of each mechanism and acquiring wave direction, wave height and wave period numerical values. According to the invention, all-parameter detection and calibration can be realized, and high-quality reproduction and magnitude transmission of wave direction parameters are realized.

The embodiment of the invention provides a multi-modal virtual-real interaction sand table display method and device, and the method comprises the steps: constructing a multi-modal virtual-real interaction sand table based on a digital earth through a digital twinning technology and an MR / VR / AR technology in combination with an entity sand table, and according to a spatial position identification code generated by the real-time image information of the earth entity sand table, carrying out hierarchical pose adjustment on the earth virtual sand table, so that the pose of the earth virtual sand table and the pose of the earth entity sand table are completely matched with a visual angle, and obtaining a virtual-real fused sand table. According to a multi-stage scene architecture and a mixed rendering pipeline, virtual-real fusion rendering is carried out on the sand table to obtain a virtual-real rendering sand table, multi-player thought collaborative interaction is realized by combining multi-form interaction means such as a keyboard, an operating lever, a handle, gestures, voice and a laser pen, and when a user changes a viewport, the virtual-real rendering of the sand table is realized. And displaying the sub-scene content according to the scene streaming radius. According to the application, the efficiency and flexibility of display and interaction of the multi-modal virtual-real interaction sand table can be improved.

The present invention relates to an advanced augmented reality, AR, apparatus featuring a video see-through AR, VST-AR, device that captures images of a real-world environment and displays augmented versions on a screen. The system includes a corporal entity, such as an empty laboratory vessel, equipped with a unique identification marker. This marker provides real-time spatial data for generating visual augmentations representing virtual matter within the vessel. The apparatus integrates various sensors, including an inertial measurement unit, IMU, capacitive tactile sensors, and a thermal diode, to dynamically adjust visual augmentations based on user interactions. Additional sensory enhancements include an olfactory output fan, an eccentric rotating mass, ERM, motor, and auditory outputs. Wireless connectivity via IEEE 802.11 (Wi-Fi) and IEEE 802.15.1 (Bluetooth) ensures seamless communication between components. This AR system is particularly valuable for educational and laboratory settings, offering realistic, interactive simulations.

A bionic robot head and neck structure and a bionic robot. The bionic robot head and neck structure comprises a head structure, and a neck structure movably connected to the head structure. The head structure comprises a robot head shell (7), a robot bionic mask (5), a bionic brow and eye mechanism (1) and a bionic mouth mechanism (4). The robot bionic mask (5) is sleeved on the outer surface of the robot head shell (7). The bionic brow and eye mechanism (1) and the bionic mouth mechanism (4) are mounted inside the robot head shell (7). The neck structure is connected to the bionic mouth mechanism (4), and the neck structure is used for driving the head structure to achieve front-back leaning, left-right swinging and circumferential turning movements. The bionic brow and eye mechanism (1) and the bionic mouth mechanism (4) are connected to the robot bionic mask (5). The facial expression of the bionic robot is displayed under the action of the bionic brow and eye mechanism (1) and the bionic mouth mechanism (4). Thus, the richness of facial expressions of the bionic robot and the flexibility and correlation of other actions of the head are improved, and user needs are well met.

The invention discloses a submarine floating icebreaking load measurement test device and a submarine floating icebreaking load measurement test method. The submarine floating icebreaking load measurement test device comprises a test box, an ice block clamp, a moving assembly, a lifting assembly, an angle adjusting assembly and an observation assembly. Wherein the ice block clamp, the moving assembly, the lifting assembly and the angle adjusting assembly are all arranged in the test box, the ice block clamp is used for fixing ice blocks, the moving assembly is used for driving the submarine model to move in the horizontal direction, the lifting assembly is used for driving the submarine model to move in the vertical direction, and the angle adjusting assembly is used for adjusting the pitch angle of the submarine model. The observation assembly is used for recording the stress condition and the water outlet posture of the submarine model. According to the test device, the position and posture of the submarine model can be adjusted through the moving assembly, the lifting assembly and the angle adjusting assembly, so that different icebreaking conditions are simulated; and the icebreaking process of the submarine model is recorded through a force sensor and a camera. The invention relates to the field of submarine icebreaking test research.

The invention relates to the field of medical informatization, in particular to a multifunctional acupuncture point training simulation system and an application method thereof. Simulation tissue, force feedback, an acupoint simulation database and an intelligent evaluation technology are fused, and a vivid acupuncture training environment is created. The system simulates human tissues layer by layer, accurately collects acupuncture pressure and resistance, feeds back force feeling in real time, intelligently evaluates acupuncture performance in combination with acupuncture point characteristic data, and generates a detailed evaluation report. The virtual reality display module visually displays the acupuncture process and provides all-around feedback information. According to the innovative design, the acupuncture training effect and efficiency are remarkably improved, a safe and efficient learning platform is created for students, the modernization and standardization process of acupuncture education is promoted, and new power is injected for traditional medical inheritance and development.

A non-transitory machine-readable media may store instructions that, when run by one or more processors, cause the one or more processors to generate stereo endoscopic image data of a medical field and define a medical field volume from the stereo endoscopic image data. The processors may also project a 3D representation of the medical field volume to an extended-reality display device in a remote volume. The 3D representation may include a stereoscopic image and a 3D scene generated from the stereo endoscopic image data. The processors may also generate visual guidance in the remote volume to augment the stereo endoscopic image, map the visual guidance from the remote volume to the medical field volume to generate an augmented image of the medical field volume, and project the augmented image of the medical field volume to a display device viewed by an operator of instruments in the medical field.

The utility model relates to a salt cavern sediment gap energy storage simulation experiment device, and belongs to the technical field of salt cavern sediment gap energy storage experiment equipment. The salt cavern sediment gap energy storage simulation experiment device comprises two groups of normal pressure experiment containers, a pressure-resistant experiment container, a gas storage bottle, a water storage tank and a gas-liquid separator, the two groups of normal-pressure experiment containers are connected with each other through a communicating short circuit; the gas storage bottle is connected with a gas-liquid separator through a flow controller A and a gas injection valve A; one end of the gas-liquid separator is connected with the upper ends of the normal-pressure experiment container and the pressure-resistant experiment container through switch valves which are connected in parallel; and the outlet ends of the communicating pup joint and the pressure-resistant experiment container are respectively connected with a liquid phase pipeline through a control valve. The simulation experiment device is compact in structure and ingenious in design, solves the problems that in an existing salt cavern energy storage simulation experiment, an experiment under pressure cannot be carried out, and the experiment function is single, and is particularly suitable for being used in a salt cavern sediment gap energy storage simulation experiment.

The invention relates to a variable-temperature dynamic-water coarse fracture grouting visual test system which comprises a visual simulation platform, and an artificial protolith is arranged in the visual simulation platform and used for simulating a coarse fracture; the grouting system is communicated with the visual simulation platform, and the grouting system is used for injecting grout into the visual simulation platform so that the grout can enter the rough fracture; the pressurizing system is communicated with the visual simulation platform and is used for injecting variable-temperature flowing water into the visual simulation platform, and pressure is provided for slurry entering the rough fracture through the variable-temperature flowing water; and the acquisition system is arranged in the visual simulation platform. On one hand, the device is used for researching the flow rule of the slurry under the static water or dynamic water condition, the diffusion rule of the slurry under different water environments is obtained through comparison, on the other hand, the diffusion rule of the slurry under the dynamic water condition and different roughness is researched, the field grouting condition is truly simulated, and the more accurate slurry diffusion rule is obtained.

The invention provides an experimental system of a hot water force coupling landslide model, which is characterized in that on the basis of a large freezing and thawing environment test box, an artificially manufactured slope model is placed in the large freezing and thawing environment test box, and meanwhile, a rainfall and snowfall system, a slide rail system, a water level control system, a servo loading system, a medium strain rate disturbance system and a data acquisition system are integrated; a complete slope landslide model indoor experiment device under the combined action of freeze thawing-load-seepage is formed and used for simulating slope landslide caused by rainfall and snowfall, blasting vibration, slope body water level change and other conditions, and multi-source heterogeneous data of the whole process of the landslide from the unstable factor accumulation stage, the temporary sliding stage, the sliding stage and the stable stage are obtained.

The invention provides a physical-numerical hybrid scale model test method for a floating fan, and belongs to the technical field of offshore wind power generation. The test method comprises the steps that the floating fan is modeled into a physical model and a numerical model, and besides the physical model and the numerical model, a test platform further comprises a measuring system and a loading system; real-time interaction is carried out on actual measurement signals of the measurement system and calculation results of the numerical model through the computer, loading of the signals is achieved through the loading system, and building and closed-loop control of the hybrid test platform are achieved. And finally, required information is extracted through visual interface monitoring. According to the method, the dynamic response performance of the key structure can be accurately captured, and a series of problems of scale effect, scale criterion incompatibility caused by the scale effect, difficulty in indoor test simulation of the offshore floating fan and the like can be solved.

The invention discloses a method for simulating small intestine-colon dynamic digestion and glycolysis of polysaccharide-based food, and belongs to the technical field of food detection. The small intestine-colon simulated digestion and absorption system special for the polysaccharide-based food comprises a small intestine digestion simulation system, a sampling and emptying system, a large intestine glycolysis simulation system and a central intelligent control and display system (a pH control system, a temperature control system, a stirring rate control system, a gas path system and a flow rate control system). Aiming at the limitations that an existing human gastrointestinal tract digestion in-vitro simulation system cannot be continuous, is short in period and the like, the in-vivo real digestion and glycolysis physiological environment and process are simulated, intestinal peristalsis waves and digestion and glycolysis of polysaccharide-based food are simulated, automatic sampling can be achieved, generation of glucose in small intestines can be detected on line, and the in-vitro simulation system fits the real human physiological environment.

The invention belongs to the field of gas explosion test technology development, and relates to a reinforced full-size residential building structure gas leakage explosion multi-parameter test platform and method, which can be used for simulating the whole process of a gas leakage explosion accident in a real residential building scene. The gas leakage explosion evolution mechanism and disaster-causing consequence research under multiple ignition sources, multiple gas types, multiple pressure relief conditions and multiple obstacle environments can be realized. The test platform can simulate a resident house type, and through local reinforcement design and coupling test technology development of the test platform, a high detonation pressure, high simulation and multi-parameter gas explosion repeated test is realized.

The invention relates to a device and a method for simulating influence of underground water seepage on an existing tunnel and a freezing wall, the device comprises a test box body, a tunnel model, a seepage system, a data acquisition monitoring system, a saline water circulation cooling system and a saline water circulation heating system, the test box body is formed by splicing three box bodies with different structures; a formed space area is used for laying a test soil body and a broken stone hardcore; the tunnel model is arranged in the hollow area in the test box body; the seepage system is used for providing an underground water source for simulating seepage; the data acquisition monitoring system is used for monitoring and recording the soil pressure and displacement of the soil body around the tunnel model and the temperature change of the soil body near the freezing pipe; the saline water circulating cooling system is used for providing cooling capacity required by soil body freezing; and the saline water circulation heating system is used for providing heat required for pulling out the freezing pipe. The device can be used for simulating the influence of groundwater seepage on soil deformation and soil pressure around the existing tunnel, adjusting the seepage direction of groundwater and restoring more real groundwater seepage movement.

The utility model relates to a bronchoscope analog simulation device which comprises a lung mold and a throat mold, the throat mold comprises a shell and a glottis structure arranged in the shell, and the glottis structure is configured to simulate the glottis of a person and can be opened and closed according to a set program; an inlet allowing the insertion end of the bronchoscope to enter is formed in the top of the shell, an outlet allowing the insertion end of the bronchoscope to penetrate out is formed in the bottom of the shell, and the outlet in the bottom of the shell is communicated with a main air pipe of the lung mold. According to the invention, the insertion simulation operation process of the bronchoscope is realized and is closer to the actual operation environment.

The invention discloses an L-shaped wind wave flow-earthquake simulation system and method suitable for a high gravity field, the simulation system comprises a model box, a wind generation system, an L-shaped wave generation system, a flow generation system and a vibration seabed model, and the model box is used for accommodating and installing each system and is arranged on a rotating arm of a centrifugal machine in an up-and-down swinging manner; the wind generation system is used for forming horizontal airflow circulation, the L-shaped wave generation system is used for generating waves, the flow generation system is used for generating flow, and the vibration seabed model is used for researching interaction between a maritime work structure and seabed soil under various sea conditions. The simulation system can reproduce sea wind, wave, ocean current and earthquake scenes in a high gravity field.

The invention provides a physical simulation test device and method for development and evolution of debris flow disasters. The physical simulation test device comprises a material source supply device used for providing materials, a material source circulation device used for material flowing and a test monitoring device, and the material source supply device comprises a movable grid-shaped belt conveyor, a water source supply device and a material source supply box; the material source circulation device comprises a circulation device and a stacking device. According to the physical simulation test device and the simulation method for development and evolution of debris flow disasters, disaster formation mechanisms and disaster movement processes of debris flow disasters composed of different material sources and under different mountain terrains can be simulated.

The invention belongs to the technical field of coal field fire evolutionary analysis, and particularly provides a visual coal field fire evolutionary process analog simulation test device and method. The test device comprises a test bench, a physical similarity model, a fiber bragg grating temperature and stress integrated monitoring system, a multi-gas monitoring system, an image and video monitoring system and a computer analysis system. A plurality of opening frames are sequentially fixed to form test box bodies, the physical similarity model is arranged in the test box bodies, the inclination angle of the test box bodies is adjusted through an inclination angle adjusting mechanism, and the gas supply system and the ignition system are connected between the test box bodies. The fiber bragg grating temperature and stress integrated monitoring system, the multi-gas monitoring system and the image and video monitoring system are respectively in signal connection with the computer analysis system. According to the invention, visualization of coal field fire evolution processes under different conditions can be realized, and real-time monitoring of change rules of a temperature field, a seepage field and a fracture field in the coal field fire evolution processes under different conditions can be realized.

A method can include receiving labeled images; acquiring unlabeled images; performing active learning by training an inspection learner using at least a portion of the labeled images to generate a trained inspection learner that outputs information responsive to receipt of one of the unlabeled images by the trained inspection learner; based at least in part on the information, making a decision to call for labeling of the one of the unlabeled images; receiving a label for the one of the unlabeled images; and further training the inspection learner using the label.

The invention discloses a mathematics virtual-real fusion teaching system. A scene construction module is used for constructing a virtual teaching scene by using a virtual reality technology according to teaching contents and learning requirements of students; the animation simulation module is used for creating a mathematical model and an animation in the virtual teaching scene by utilizing a three-dimensional modeling technology and an animation production technology; the data acquisition module is used for acquiring learning behavior data and physiological data of students through the intelligent teaching terminal and the wearable sensor to obtain learning feedback data; analyzing the learning feedback data by using a machine learning algorithm to obtain learning state data of the student; and the teaching feedback module is used for adjusting a teaching mode and a teaching scene in the virtual teaching scene according to the learning state data. Through virtual reality and augmented reality technologies, in combination with a highly vivid virtual teaching scene and an innovative interaction mode, mathematics learning is more vivid and interesting, and the learning interest of students is greatly improved.

Provided are photocurable resins comprising a poly(siloxane)-based copolymer together with a photoinitiator, and other optional ingredients such as a photocurable diluent, a photoabsorber, a photosensitizer, or a hydrophillic additive. Also provided are methods of stereolithographically printing a 3-D object from a disclosed resin. Also provided is an improved method for stereolithographically printing a 3-D object, the improvement comprising the use of a disclosed photocurable resin. Further provided is a 3-D microfluidic device such as an artificial lung prepared from a disclosed photocurable resin.