8845results 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.

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.

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 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.

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.

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 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.

The invention is suitable for the field of data processing, and discloses a remote control method of an experiment sandbox, terminal equipment and a storage medium. The remote control method of the experiment sandbox comprises the following steps: if an experiment request initiated by a user side is received, configuring the experiment sandbox according to identity information carried by the experiment request, and querying experiment sandbox connection information corresponding to the identity information; selecting an active target Guacd instance from the Guacd cluster, and establishing an RDP session channel with the experiment sandbox according to the target Guacd instance and the connection information of the experiment sandbox; and responding to a trigger instruction of the user side according to the RDP session channel. The RDP session channel is constructed through the protocol conversion capability of the Guacd cluster, so that the hardware acceleration characteristic of the remote desktop of the Windows system can be fully played, and high-frame-rate graphic instruction transmission is realized.

In one embodiment, a method receiving, at a processing device of a vocational mask, first data pertaining to instructions for performing a task using a tool; transmitting, via a haptic interface communicatively coupled to the processing device of the vocational mask, the first data to a peripheral haptic device associated with the tool to cause the peripheral haptic device to implement the instructions by at least vibrating in accordance with the instructions to guide a user to perform the task using the tool; responsive to the peripheral haptic device implementing the instructions, receiving feedback data pertaining to gestures, motions, surfaces, temperatures, or some combination thereof, wherein the feedback data is received from the peripheral haptic device, and the feedback data comprises information pertaining to the user's compliance with the instructions for performing the task; and transmitting, to the computing device, the feedback data.

The invention provides a modular and multifunctional karst collapse physical simulation experiment platform. Comprising a rigid frame, a bearing device, a moving device, a loading device, a lifting device, a pile foundation construction dynamic load simulation device, a ground traveling dynamic load simulation device, a rainfall simulation device, a computer vision monitoring device, an underground water pumping and draining simulation device and an underground space excavation disturbance simulation device. The moving device is arranged on the bearing device, the lifting device, the loading device and the pile foundation construction dynamic load simulation device are arranged on the moving device, the travelling crane dynamic load simulation device is connected with a traction device of the moving trolley, and the camera shooting monitoring device and the rainfall simulation device are arranged on the rigid frame through a support. According to the method, key disaster-causing conditions in the urban environment are fully considered, the working condition scene coverage is wide, and the applicability is high; modularized design is adopted as a whole, all the modules can be flexibly loaded according to requirements, the real environment can be simulated more truly, and the catastrophe evolution process of surface collapse can be reproduced.

The invention discloses a dynamic multispectral adjustable tunnel fire simulation light source system and a use method. The dynamic multispectral adjustable tunnel fire simulation light source system comprises a light source array module, a spectral dynamic adjustment module, an environment monitoring module, a data processing and control module, an optical coupling module and a user interaction interface, the light source array module receives an adjusting instruction from the data processing and control module and transmits an optical signal to the optical coupling module, and the light source array module is composed of a plurality of sub light sources capable of independently adjusting wavelengths and intensities; the spectrum dynamic adjusting module is integrated in the data processing and control module; the spectrum dynamic adjusting module is used for receiving real-time data of the environment monitoring module, calculating a weight coefficient and issuing the weight coefficient to the light source driving circuit; through the multi-band light source array, environmental parameter feedback and an intelligent adjustment algorithm, high-fidelity fire spectrum simulation is realized, the problems of single spectrum and poor environmental adaptability in the prior art are solved, and the system and the method can be widely applied to the fields of fire test and scientific research.

Described herein are methods and apparatuses for reducing the curvature of a body lumen, such as a colon, using a robotic system. In particular, described herein are methods and apparatuses for reducing curvature of a body lumen (e.g., colon) using apparatuses comprising one or more, including two or more, elongate rigidizable members. The elongate rigidizable members may be arranged telescopically and may be activated by applying positive pressure and / or vacuum.

The invention discloses a whole-process vascular interventional operation training method and system based on a virtual reality technology, and the method comprises the steps: firstly, developing a vascular interventional mechanics and collision simulation module, and achieving the deformation simulation of a blood vessel and a guide wire through the combination of position dynamics, a region shape matching technology and a Cosseerat elastic rod model, the collision between the blood vessel and the guide wire is treated by adopting a wide-to-narrow three-layer progressive collision detection method; secondly, constructing an immersive virtual operation scene through model construction and rendering optimization; visual angle roaming, instrument operation and interface interaction are fused, and multi-mode interaction control driving intervention training is achieved; finally, based on a'module-event 'dual-drive framework, operation tasks such as anesthesia, puncture, radiography, intervention, stent release and hemostasis are sequentially connected in series through a unified state machine, and whole-process training is achieved. The accuracy and stability of blood vessel and guide wire simulation are improved, the training immersion sense is enhanced, interventional operation whole-process training is achieved, and high teaching and practical value is achieved.

The invention relates to the technical field of medical simulation training, in particular to an ultrasonic operation intelligent training method and device based on multiple modalities, and the method comprises the steps: obtaining real-time six-degree-of-freedom pose data of an ultrasonic probe held by an operator, and generating an ultrasonic image in real time through a first deep learning model in cooperation with scene parameters; wherein the first deep learning model is trained to learn and establish a continuous mapping relation from an ultrasonic probe pose space to an ultrasonic image space; performing section classification on the ultrasound image by using a second deep learning model, and determining deviation information for a non-standard section; and based on the real-time six-degree-of-freedom pose data and a division result of a preset standard section and an ultrasonic probe pose, generating visual guide information for guiding an operator to adjust the probe pose, and displaying the visual guide information. In this way, the problems that an existing virtual training image is discontinuous and guiding is inaccurate are solved, and meanwhile the training efficiency and the reality sense of ultrasonic operation are remarkably improved.

The invention discloses a perception practical training platform and method based on intelligent edge calculation and heterogeneous data fusion. The platform comprises a sensor module, an interaction and display module, a calculation module, a movable base and a supporting rack. The sensing practical training platform adopts a modular design and a standardized interface; the sensor module, the interaction and display module and the calculation module can be conveniently disassembled, assembled and replaced, and convenient indoor and outdoor movement can be realized through a movable base with a stopper; through a data fusion technology of a sensor module, in combination with a GPU hardware acceleration strategy and a time synchronization technology, targets around the practical training platform are accurately detected in real time based on multi-source data, and a sensing result of the intelligent networked automobile to the targets in the surrounding environment is displayed. According to the invention, edge calculation provides a more convenient extensible path, and powerful support is provided for intelligent traffic through data acquisition expansion calculation and communication capability of road end data acquisition equipment and cloud end data acquisition.

The invention discloses an equipment attack and defense confrontation deduction system and method under laser weapon strike, and belongs to the technical field of simulation and evaluation, and the system comprises a high-energy laser weapon design platform which is used for constructing different laser weapon models; the laser weapon early warning interference platform is used for submerging the guidance signal; the attack and defense confrontation deduction platform is used for constructing a combat scenario; the co-simulation control platform is used for realizing co-simulation; the high-energy laser damage evaluation platform is used for evaluating the damage condition of the target material; according to the equipment attack and defense confrontation deduction system and method under laser weapon attack, combat concepts are refined into specific modes and processes, battle rules and tactical behaviors are extracted and solidified, a system architecture model is constructed, and functions, interfaces and operation logic of a weapon system are clarified; cooperative interaction of a weapon system and a weapon force model is supported, and the accuracy and reference value of simulation deduction are enhanced.

The present disclosure relates to a display system (1, 1′) for hydrothermal sanitary components (10a-10d), comprising:at least a first device or module (1), comprising an exhibition panel (2) configured to lay, in use, at least partially on a plane substantially inclined with respect to a horizontal plane and destined and configured to support a plurality of hydrothermal sanitary components (10a-10d); andat least a retainer (2f, 4, 10p, 11) configured to realize a removable connection between the exhibition panel (2) and the hydrothermal sanitary components (10a-10d), the retainer (2f, 4, 10p, 11) being further destined and configured to allow a user to arrange, and repeatedly re-arrange multiple times, the hydrothermal sanitary components (10a-10d) on the exhibition panel (2) according to a plurality of user-defined and re-definable patterns or spatial configurations, simulating a real installation of said hydrothermal sanitary components (10a-10d) in an operating environment, such as a bathroom or similar.

The subject matter described in this disclosure can be embodied in methods, systems, and program products for receiving user input that selects an arrangement of surgical instrument trays for use during a surgical procedure. A display device presents a graphical representation of the selected arrangement of surgical instrument trays. A computing system receives image data depicting multiple actual surgical instrument trays; and analyzes the image data to determine an extent to which the multiple actual surgical instrument trays and actual surgical instruments located on the trays match the selected arrangement of surgical instrument trays. The display device presents a graphical indication of the extent to which the multiple actual surgical instrument trays match the selected arrangement of surgical instrument trays.

The invention provides a power equipment three-dimensional dynamic updating method and system for virtual reality training, and the method comprises the steps: collecting the working state data of power equipment in real time through a sensor; processing the working state data based on a preset function model, and calculating the physical state change of the power equipment; according to the physical state change, adjusting physical attributes of the three-dimensional model of the power equipment in real time so as to simulate physical effects of thermal expansion, stress concentration or structural deformation; loading the adjusted three-dimensional model into a virtual reality environment, and performing real-time display through a virtual reality rendering platform; and after the user executes the interactive operation through the virtual reality equipment, the working state of the power equipment is updated, and the influence of the operation on the three-dimensional model of the equipment is dynamically fed back, so that a virtual-real linkage closed-loop training process is formed. The virtual model can change in real time along with the collected data, and the technical verisimilitude and operability of virtual training are remarkably improved.

The invention relates to the field of digital circuit experiment teaching, in particular to a digital circuit experiment platform and method applying a multi-modal large model and a medium, and the method comprises the steps: inputting experiment task description, analyzing and extracting structured semantic information, and forming task representation; retrieving a circuit function block from the electronic component knowledge base, constructing a context enhancement cue word, guiding a multi-modal large language model to generate a Verilog HDL code, and outputting the Verilog HDL code after grammar check and function verification; a Yosys tool is used for carrying out logic synthesis on the codes to generate a standard JSON netlist, and then the standard JSON netlist is converted into an SVG-format circuit diagram through a Netlistsvg tool; and an electronic component knowledge base updating mechanism is constructed to realize knowledge cyclic evolution and adaptive enhancement, so that the intelligent level and practical training efficiency of circuit experiment teaching are remarkably improved.

The invention relates to an animal craniocerebral injury model construction method and system, and the method comprises the following steps: 1, selecting a plurality of healthy male SD (Sprague Dawley) rats, breeding the rats in different cages in a 12-hour illumination environment and a 6-hour dark environment at the temperature of 25 DEG C, dividing the rats into three groups, and enabling the rats to eat and drink water; 2, the rats are divided into an X group, a Y group and a Z group through random grouping, the X group is a mild craniocerebral injury group, the Y group is a moderate craniocerebral injury group, the Z group is a severe craniocerebral injury group, and the number of the rats in each group is equal; according to the animal craniocerebral injury model, animal craniocerebral injury of different degrees can be simulated, the injury degree can be evaluated, and the model has good repeatability, reliability and stability and has good reference value in practical application.

The invention relates to the technical field of medical simulation training, and particularly discloses a tracheal intubation training device which comprises a workbench and a model piece, the model piece is connected to the workbench, the workbench is used for fixing the model piece, the model piece is used for simulating the trachea of a patient and training the medical gas generation tube intubation technology, and a simulation assembly is arranged on the workbench. The simulation assembly is connected with the model piece, the simulation assembly is used for simulating the length of the trachea and simulating the diameter of the trachea, the trachea of different diameters and lengths are simulated through the simulation assembly, and then medical staff are trained to conduct intubation treatment on the trachea of different diameters and lengths; therefore, medical staff can be guaranteed to be capable of skillfully intubating the trachea with different sizes and diameters, and the trachea of a patient is prevented from being injured when the medical staff treats the patient.

Systems and methods for simulating structures and images are disclosed. The techniques described herein can include obtaining a first image of a subject. The techniques can include determining a location for simulating a structure within the first image. The techniques can include simulating, according to the location, a shape for the structure. The techniques can include generating a mask according to the location and the shape for the structure. The techniques can include applying the mask to the first image to generate a second image simulating the structure.

The invention relates to the technical field of electric power simulation practical training safety protection, and discloses a quadruple safety protection system and method for electric power simulation practical training, and the system comprises a central control unit, and a circuit breaker unit, a safety power supply unit, a virtual load power supply unit and an electric leakage monitoring unit which are in communication connection with the central control unit. The circuit breaker unit, the safety power supply unit, the virtual load power supply unit and the electric leakage monitoring unit are connected in sequence; the circuit breaker unit, the safety power supply unit, the virtual load power supply unit and the electric leakage monitoring unit respectively carry out fault judgment and send a fault judgment result to the central control unit; and the central control unit generates a corresponding cooperative control instruction according to the fault judgment result so as to control other units to perform cooperative protection. Through a quadruple protection system, safe operation of electric power simulation practical training is guaranteed, the risks of equipment damage and personnel safety accidents are effectively reduced, and the safety, reliability and practicability of electric power simulation practical training are improved.

The invention relates to the technical field of gastrointestinal tracts, in particular to a gastrointestinal tract ultrasonic virtual simulation nursing teaching platform which comprises a function module and a hardware configuration module. The function module comprises an anatomy learning module, an ultrasonic simulation module, a case training module and an examination and evaluation module; the hardware configuration comprises a VR head-mounted display, an ultrasonic simulator and an operation panel. The system has the advantages of safe and risk-free training, standardized process learning, immersive scene experience and instant feedback evaluation, a high-fidelity gastrointestinal tract ultrasonic virtual simulation teaching platform for critically ill patients is constructed, a 3D virtual model is constructed by using a virtual simulation technology, knowledge is presented dynamically and visually, real situations such as ICU wards and the like are simulated through VR, and real-time feedback evaluation of the gastrointestinal tracts of the critically ill patients is realized. The learning initiative and the sense of participation are stimulated; an ICU environment is virtualized, an unlimited'trial-and-error 'practice space is provided, the equipment cost is reduced, potential safety hazards are avoided, and space-time and safety barriers are broken.

The invention discloses a VR-based power distribution network maintenance virtual training system and method in the technical field of electric power. A VR-based power distribution network maintenance virtual training system comprises a modeling module, a database module, a training platform module, an operation learning module, a comprehensive training module and a training evaluation module. A three-dimensional virtual environment is created for trainees through the VR technology, so that the trainees can feel the actual operation scene and the fault condition of the power distribution network in an immersive manner; students can deeply understand the structure and the working principle of the power distribution network and various phenomena and details when faults occur from different angles; in the virtual training environment, the trainee can perform various dangerous operations and fault processing exercises without causing any actual threat to the safety of the trainee. In combination with actual cases and data in a power distribution network fault database, the system can intelligently adjust the difficulty of training contents and fault scenes, so that the training contents and the fault scenes are matched with the ability of students.

The invention discloses an anesthesia anatomy practical training system based on virtual simulation, which relates to the technical field of medical simulation training and comprises a virtual anatomy modeling module, a physiological simulation module, a dynamic response and tactile feedback module, a multi-dimensional data acquisition and performance evaluation module and an intelligent clinical decision support and dynamic virtual case module. According to the invention, high-precision three-dimensional reconstruction and dynamic physiological simulation technologies are adopted, and real-time monitoring, tactile feedback and closed-loop adaptive optimization are combined, so that precise, real-time and personalized training of virtual simulation anesthesia anatomy practical training is realized. The system can dynamically simulate physiological changes of a human body, provides remote collaborative teaching and risk early warning, effectively improves training quality and clinical decision-making level, and has remarkable safety, practicability and popularization prospects.

The invention discloses a large-scale immersed tube tunnel silt squeezing simulation device and method, the large-scale immersed tube tunnel silt squeezing simulation device comprises a large-scale immersed tube model, a truss structure, a gear rack structure, two supports and a model groove, the truss structure is fixed on the top of the large-scale immersed tube model, and a balancing weight is placed on the truss structure; two sealing rubber strips are respectively arranged on the periphery of the large-scale immersed tube model; in the process of lowering the large-scale immersed tube model in the model tank, one end of the large-scale immersed tube model rubs with the side wall of the model tank to form a closed end, the other end of the large-scale immersed tube model forms a sludge discharge end, and an ultrasonic flow meter is arranged at the sludge discharge end; a stay wire displacement sensor is fixed on each bracket, two fixed ends are arranged at the top of the large-scale immersed tube model, and a fixed head of each stay wire displacement sensor is fixed on one fixed end; a gravel layer, a back-silting float sludge layer and a seawater layer are sequentially arranged in the model groove from bottom to top, and a sea groove slope model is arranged in the model groove.

The invention relates to the technical field of puncture needle training, and particularly discloses a medical simulation puncture needle training device which comprises a simulation arm, a simulation puncture part is arranged on the end face of the simulation arm, a simulation part is fixed in the simulation puncture part, and a simulation cavity is formed in the simulation part; the simulation device further comprises a simulation skin simulation assembly and a driving assembly, the simulation skin simulation assembly is arranged in the simulation cavity, the driving assembly is arranged on the side edge of the simulation skin simulation assembly, the simulation skin simulation assembly comprises a first skin layer arranged in the simulation cavity, and a second skin layer is arranged at the bottom of the first skin layer. The driving assembly works to adjust the tension of the first skin layer and the second skin layer, and the skin states of patients of various ages are simulated; adjusting operation of the elasticity degree of the second skin layer, the wrinkle degree of the first skin layer and the bending degree of the simulated blood vessel is achieved, a trainer can experience real touch of skins of different age groups on the same model, and intensified training is carried out in a targeted mode.