35 results about "Virtual instrument" patented technology

The invention provides an aircraft refueling virtual-real combined practical training method and platform based on AR and scrapped equipment, and relates to the technical field of aircraft refueling training, and the method comprises the steps that a processing module loads digital twin scene data according to a training subject; the AR display module carries out space registration and superposition on the virtual airplane model, the virtual instrument interface and real scrapped refueling equipment; collecting operation action data of the trainee in real time; inputting the operation action data into the digital twin model, updating the state information of the virtual refueling operation, and sending the state information to an AR (Augmented Reality) display module; the AR display module displays the state information in an overlapping manner; when the butt joint operation is carried out, the relative position and posture of the physical joint and the physical refueling panel are monitored in real time, the correctness of the operation is judged, and the result is displayed through the AR display module; and the processing module records, analyzes and generates a quantitative evaluation report. The method can effectively solve the problems that pure virtual training lacks sense of reality, and pure physical training is high in cost and high in risk.

The invention provides an AI-driven automatic test system and intelligent optimization method based on VISA and SCPI. The method comprises the steps that a natural language test requirement input by a user is acquired, the requirement is analyzed, and a test script conforming to the SCPI specification is generated; issuing the test script to the test instrument cluster through the virtual instrument software architecture interface, executing the test script, and collecting test data in real time; performing multi-modal fusion analysis on the basis of the collected test data to detect anomalies in the test process, and dynamically adjusting test parameters or test scripts according to an anomaly diagnosis result; performing cooperative task scheduling optimization on a plurality of instruments in the test instrument cluster based on the adjustment result; according to the method, a large language model is combined with an SCPI command knowledge graph to realize automatic conversion from a natural language to a test script, and test parameters and multi-instrument scheduling are dynamically optimized in combination with reinforcement learning, and the test efficiency and precision are remarkably improved through real-time anomaly detection and root cause positioning.

The invention provides a virtual surgical instrument posture control method and device, a medium and a program product. The method comprises the steps that a global coordinate system of a virtual scene where a virtual surgical instrument is located is constructed; acquiring local pose information of an operation end of the main control equipment, mapping the local pose information to the global coordinate system through a coordinate transformation relation, and constructing a corresponding end point pose; on the basis of the tail end point pose, inverse kinematics solution is executed, multiple control parameters of the virtual surgical instrument are determined, and the multiple control parameters comprise target angle parameters of all joint spaces of the virtual surgical instrument, the postures of joints, the elongation of the instrument and the postures of fixed points; according to the control parameters, the virtual surgical instrument is controlled to conduct real-time posture updating in the virtual scene, so that synchronous control over the movement state of the instrument is achieved. According to the method, the unified global coordinate system is constructed, and inverse solution calculation is executed on the basis of the unified global coordinate system, so that the stability of attitude calculation is improved, and real-time updating and accurate control of the attitude of the virtual instrument are realized.

Embodiments for rendering an operative guidance overlay in association with a patient are disclosed. A method includes receiving image data indicating an anatomical structure of the patient and a structure of operative instruments; generating virtual models based on the image data; receiving sensor data associated with a user, the operative instruments, or the patient; dynamically generating guidance overlay data associated with the anatomical structure of the patient, or the operative instruments based on the virtual models and the sensor data; and rendering the operative guidance overlay in association with the patient based on the guidance overlay data using a wearable augmented reality interface device. The virtual models include a virtual anatomical model of the anatomical structure of the patient, or virtual instrument models associated with the operative instruments. The rendering comprises continuous alignment of the virtual anatomical model with the patient and the virtual instrument models with the operative instruments.

The application discloses a kind of instrument accurate reading method and device based on virtual instrument, and wherein method is as follows steps: S1, the image of instrument panel to be read is photographed;S2, pointer image is separated from the image of instrument panel obtained by photographing;S3, whether the corresponding virtual pointer information of the instrument panel has been pre-stored is judged, if yes, directly enter step S8, otherwise enter step S4;S4, obtain the virtual instrument image without pointer;S5, the position of the rotation center of pointer and the position of both ends of scale area are determined from the virtual instrument image, and a plurality of scale value positions are generated;S6, a plurality of virtual pointers are generated in the virtual instrument image;S7, the RGB histogram of each virtual pointer is obtained, and stored as the corresponding virtual pointer information of the instrument panel;S8, the RGB histogram of each pointer in the pointer image obtained in step S2 is obtained;S9, the virtual pointer with the greatest similarity is found, and the scale value corresponding to the virtual pointer is the reading result of the pointer.

This application provides a portable oil and gas well fluid level monitoring system and method, relating to the field of underground wellbore fluid level monitoring technology. The system includes: a virtual instrument platform configured with a LabVIEW-based program for casing pressure signal acquisition and control, a sound-generating device control program, and a sound wave signal acquisition program; a portable acquisition instrument including: a USB data acquisition card, a pressure transmitter, a sound-generating module, and a microphone; the pressure transmitter acquires pressure information at the inlet of a normally closed solenoid valve within the sound-generating module; when the pressure information reaches a preset pressure, a pressure ready signal is generated; when the pressure ready signal is valid, the sound-generating module is controlled to generate infrasound; and the infrasound reflection signal received by the microphone is acquired, processed by a MATLAB-based signal processing program, and displayed in the user interface of the sound wave signal acquisition program. The implementation method provided in this application is beneficial for improving the efficiency and safety of oil well production.

The invention discloses an aircraft control surface automatic detection method and system based on virtual instrument and matrix switching, and relates to the technical field of steering engine detection. The aircraft control surface automatic detection method and system based on virtual instrument and matrix switching comprises the following steps: S1, obtaining control surface actuator response data, and preprocessing the control surface actuator response data; s2, a relay is driven to realize channel switching, the stability degree of the relay before and after switching is evaluated, and a stable sampling period is screened; s3, identifying an effective response starting point and a response ending point of each channel, calculating each component index in a response section, and constructing a response feature vector of the control surface actuator; and S4, evaluating the deviation degree between the current response behavior and the ideal state, identifying an abnormal response state, generating a channel-level response behavior tag, and summarizing to form a classification result. The problem that the initial section of a displacement response curve is misjudged due to the fact that transient kick caused by relay switching is not isolated by a time window is solved.

The invention relates to the technical field of virtual simulation teaching, in particular to a simulation teaching system and equipment in a virtual environment, which can construct scene three-dimensional models corresponding to a plurality of real scenes, virtual instrument models and use rules, and instruments are used for GNSS control network project production or real-time dynamic measurement. In a field mode, loading the scene three-dimensional model on a display picture to form a virtual environment, and loading a virtual character; and controlling the virtual character to use the virtual instrument model in the virtual environment according to the user operation instruction to complete corresponding instrument operation or production tasks according to the technical requirements of real field production, and scoring the operation executed by the virtual character. According to the invention, the corresponding virtual scene and instrument are constructed by imitating a real scene and a real instrument, so that students can learn the operation and use method of the real instrument and corresponding field production skills in the virtual scene, the scene can be randomly switched, the teaching effect is good, and the method is not limited by the cost, the environment and other real conditions.

The invention discloses a testing device for electrical equipment based on a virtual instrument, and relates to the technical field of electrical equipment tests.The testing device for the electrical equipment based on the virtual instrument comprises a testboard, and a bottom cover box with an access cover plate is fixed to the bottom of the testboard; a pin tester and an insulation tester are respectively fixed on the test bench through a support, and an operation panel based on virtual instrument software control is arranged on one side of the bottom cover box; and the two sides of the test board are both provided with material distribution assemblies used for feeding round and square resistors in the electrical equipment, the other two sides of the test board are both provided with switching assemblies, and the side, close to the operation panel, of the test board is provided with an overturning assembly used for overturning the round and square resistors. According to the invention, on the premise of synchronization of circular and square resistors and switching of cloth, the effects of automatic jacking pin detection and automatic turn-over insulation performance detection of resistors in different shapes are realized.

The invention provides a dynamic energy consumption statistical method based on labels, and relates to the field of industrial internet, internet of things and energy management systems. According to the method, dynamic binding of a physical instrument and label values under multi-label classification is achieved by constructing a hierarchical label system of two or more stages, and a virtual instrument associated target label can be created when no physical instrument exists; a virtual instrument calculation framework is configured, an interface setting energy consumption calculation formula is supported, and rules can be dynamically updated through RESTAPI; a hierarchical perception aggregation algorithm is adopted, and cross-hierarchical and multi-instrument energy consumption summarization is automatically completed. The method solves the problems of statistical dimension solidification, insufficient calculation flexibility and high expansion cost in the prior art, has the characteristics of flexible configuration, strong expansibility and cost optimization, and can accurately adapt to diversified and refined energy consumption statistical requirements of factories, parks, buildings and other scenes.

A user interface for a musical instrument, particularly an electronic or virtual instrument, is proposed. The instrument is used to play combinations of chord and melody sequences. The user interface has a key array 1 with multiple operable, row-and-column arranged areas 111, 121, ...; 112, 122, ...; 11 n 12 n ..., each row has operable regions 111, 121, ...; 112, 122, ...; 11 n 12 n ...forming a block 101, 102, ..., each block 101, 102, ... is equipped with a basic chord, preferably a scale, preferably a whole-tone scale-specific chord; each section 111, 121, ...; 112, 122, ...; 11 n 12 n ...equipped with a melodic tone, preferably a scale melody tone, the user interface is configured for use in the manipulation blocks 101, 102, ..., areas 111, 121, ...; 112, 122, ...; 11... n 12 n ..., corresponding to the manipulated regions 111, 121, ...; 112, 122, ...; 11 n 12 n ... and blocks 101, 102, ... generate pitch generation instructions, which include at least one basic chord note instruction with pitch and a melody note instruction, the pitch of which is contained in the basic chord assigned to the manipulated blocks 101, 102, ..., and the pitch of the melody note instruction corresponds to the manipulated blocks 111, 121, ...; 112, 122, ...; 11 n 12 n The melodic tones of... are also proposed. Furthermore, an instrument, a method for generating combined chord and melody sequences, and a computer-readable storage medium are also proposed.

The invention provides an instrument control panel that is easily customized and reconfigured, and yet provides the familiar tactile sensation of physical knobs, sliders, and buttons. The instrument control panel comprises one or more interface components that are removably coupled to an interface display wherein the interface components communicate with one or more control components disposed behind the interface display. The present invention lends itself particularly well to an instrument panel.

The invention belongs to the technical field of automobile practical training, and discloses a network connection automobile maintenance simulation practical training method and system based on a virtual scene, and the method comprises the steps: constructing the virtual scene, optimizing the interaction between the virtual scene and a preset virtual vehicle, and generating an optimized virtual scene; inputting preset fault data into the optimized virtual scene, and creating a dynamic fault state of a preset virtual vehicle; performing real-time interaction with the optimized virtual scene through a preset virtual instrument, overhauling the dynamic fault state of the preset virtual vehicle, and converting the dynamic fault state into a fault data stream and a signal parameter; performing fault analysis and diagnosis reasoning on the fault data flow and the signal parameters by using the data processing model to obtain a diagnosis conclusion; and based on the diagnosis conclusion, selecting and executing corresponding maintenance operation in the optimized virtual scene through a preset virtual instrument, and generating a maintenance evaluation report. According to the invention, a highly realistic dynamic fault state is provided, and abundant and diversified fault diagnosis practice scenes are provided.

The application provides a virtual instrument construction method, a virtual metering data generation method and device, and belongs to the technical field of industrial control digitization. The construction method comprises the following steps: constructing an energy metering topological structure based on a target energy process flow; in the energy metering topological structure, determining at least one metering node without a configured entity instrument as a virtual instrument metering node based on an entity instrument metering node to which an entity instrument has been configured; and configuring a calculation model for the virtual instrument metering node based on the topological relationship between the virtual instrument metering node and the entity instrument metering node, wherein the calculation model is used to generate virtual metering data of the virtual instrument metering node based on metering data of the entity instrument metering node. The application effectively fills the data blind spot of the entity instrument in the energy metering network by creating a virtual instrument, solves the problem of incomplete metering caused by the absence of the entity instrument, and realizes comprehensive and seamless monitoring of the energy consumption of the whole plant at a low cost.

The invention relates to the field of current measurement, in particular to a portable electric energy quality detection system based on a virtual instrument and a measurement method. The signal conversion and conditioning unit is connected with a tested single-phase alternating current, converts high voltage and high current into low voltage signals, and carries out conditioning output through a sampling resistor. The digital-to-analog conversion unit receives the conditioned low-voltage signal, performs analog-to-digital conversion, and transmits a digital signal through a corresponding output interface; and the calculation system unit is connected with the digital-to-analog conversion unit to realize electric energy quality parameter calculation, data storage and alarm. According to the invention, the precision and real-time performance of electric energy quality monitoring are obviously improved, the portability is enhanced through modular design and low-power battery driving, and the manufacturing and maintenance cost is reduced; the functions of parameter analysis, threshold judgment and exception protection are realized, and the intelligent level and the data integrity are improved; the method is suitable for high-requirement scenes such as on-site detection, ensures safe and stable operation of a power grid and reduces economic loss.

The application discloses a kind of aircraft rudder surface automatic detection method and system based on virtual instrument and matrix switching, it is related to rudder detection technical field.The aircraft rudder surface automatic detection method and system based on virtual instrument and matrix switching, comprising the following steps: S1, obtain rudder surface actuator response data, and pretreat rudder surface actuator response data;S2, drive relay to realize channel switching, and evaluate the stability degree before and after relay switching, screen stable sampling period;S3, identify the effective response starting point and response end point of each channel, calculate each component index in response section, and construct rudder surface actuator response characteristic vector;S4, evaluate the deviation degree between current response behavior and ideal state, identify abnormal response state, generate channel level response behavior label and form classification result by summarizing.Solve the problem that transient jump caused by relay switching is not isolated by time window, leading to displacement response curve initial section misjudgment.

Embodiments for rendering an operative guidance overlay in association with a patient are disclosed. A method includes receiving image data indicating an anatomical structure of the patient and a structure of operative instruments; generating virtual models based on the image data; receiving sensor data associated with a user, the operative instruments, or the patient; dynamically generating guidance overlay data associated with the anatomical structure of the patient, or the operative instruments based on the virtual models and the sensor data; and rendering the operative guidance overlay in association with the patient based on the guidance overlay data using a wearable augmented reality interface device. The virtual models include a virtual anatomical model of the anatomical structure of the patient, or virtual instrument models associated with the operative instruments. The rendering comprises continuous alignment of the virtual anatomical model with the patient and the virtual instrument models with the operative instruments.

The invention provides an instrument control panel that is easily customized and reconfigured, and yet provides the familiar tactile sensation of physical knobs, sliders, and buttons. The instrument control panel comprises one or more interface components that are removably coupled to an interface display wherein the interface components communicate with one or more control components disposed behind the interface display. The present invention lends itself particularly well to an instrument panel.

The application belongs to the technical field of teaching model construction, and discloses a chemical experiment learning interaction method, system and application based on augmented reality technology. Environmental image information is collected, a plane is detected, a space coordinate system is established, and instrument model and position information are detected. Data information of the current model is collected and extracted in real time, and is compared with model data information in a database. Once successful matching is achieved, a corresponding virtual instrument model is generated. After the next instrument model is built and a new virtual instrument model is generated, a preset combination mode of the existing virtual instrument model is matched, and the system automatically combines all existing virtual instrument models. Subsequent interaction content and virtual content are matched according to the model combination mode. Users are required to explore and build the recognition object by themselves, to help the users to deeply explore the structure of the chemical experiment instrument, to deepen the user's impression of the related knowledge, and to improve the learning effect.

This application provides a virtual surgical instrument posture control method, device, medium, and program product, including: constructing a global coordinate system for the virtual scene where the virtual surgical instrument is located; acquiring the local pose information of the operating end of the main control device and mapping it to the global coordinate system through coordinate transformation to construct the corresponding end-point pose; based on the end-point pose, performing inverse kinematics solution to determine multiple control parameters of the virtual surgical instrument, including: target angle parameters of each joint space of the virtual surgical instrument, joint pose, instrument elongation, and fixed point pose; and controlling the virtual surgical instrument to perform real-time posture updates in the virtual scene according to the control parameters, so as to achieve synchronous control of the instrument's motion state. This invention improves the stability of posture calculation by constructing a unified global coordinate system and performing inverse kinematics calculation on it, achieving real-time updating and precise control of the virtual instrument's posture.

The application discloses a multi-source heterogeneous load data cleaning method, device, equipment and medium, relates to the technical field of urban lifeline, and carries out multi-level verification on multi-source heterogeneous load data; if the verification is passed, determines the daily load data of non-IoT users, the full-caliber total load of civil communities, compensates the heating gap load data, obtains the heating load data, strips the non-heating load data, and generates full-caliber statistical data; based on the flow change rate between current flow data and adjacent flow data, the heterogeneous load data is processed; a virtual instrument sequence is generated based on target flow data; the daily load value is determined by using the virtual instrument sequence, if the daily load value is less than a threshold value, all daily load values of the same user are superimposed and floating point elimination is performed, a total daily load value is obtained, the full-caliber statistical data and the total daily load value are stored, full-quantity customer coverage and closed-loop management are realized, and the physical law self-consistency and logical accuracy of data cleaning are improved.

This invention relates to the field of carbon emission accounting technology, and in particular to a method and system for carbon emission accounting in highway and waterway construction based on AI vision. The method includes: acquiring images of the dials of water meters, electricity meters, and fuel meters during the project construction phase and binding the dial images to virtual instrument files; controlling an AI vision acquisition terminal to upload the dial image data to an AI recognition cloud platform according to a preset acquisition strategy; recognizing the dial images to generate structured energy consumption data; calculating the actual energy consumption of water, electricity, and fuel under different meters, construction areas, and time granularities through cumulative calculation of adjacent energy consumption readings; and calculating the carbon emissions for the corresponding construction area and time granularity by combining a pre-set carbon emission factor database. This invention effectively solves the problem of insufficient accuracy in existing emission accounting methods due to the difficulty in obtaining continuous and accurate energy consumption data, and achieves accurate carbon emission accounting during the construction phase of highway and waterway projects.

The application discloses an automation test control system and a synchronous data acquisition method for a virtual instrument, wherein a synchronous control module is provided with n IN pins and n OUT pins, the n IN pins are connected with the synchronous signal output ends of n board cards through a chassis bottom plate respectively, the n OUT pins are connected with the synchronous signal input ends of the n board cards through the chassis bottom plate respectively, and n is greater than or equal to 3. That is, based on the Ethernet communication technology, the board card is designed with a synchronous mechanism, the signal synchronization between any board cards can be configured, the mapping and control of the synchronous signal lines between the board cards are realized, different devices can simultaneously receive signals and operate, so that the board cards in the chassis can be directly accessed through the Ethernet and IP connection, the switch board card realizes the function of the Ethernet switch, can be directly connected with a computer, and has the characteristics of simple structure and low cost.

The application discloses a posture measurement system and a test method based on a virtual instrument, and the system comprises a posture display and control unit, a simulation unit and a data acquisition and calculation unit.The posture display and control unit is used for generating a sensor input signal for controlling the virtual instrument, acquiring a calculated posture parameter, and storing and displaying the posture parameter.The simulation unit is used for simulating according to the sensor input signal under the data control of a host computer, and obtaining a virtual instrument output parameter.The data acquisition and calculation unit is used for acquiring the virtual instrument output parameter and calculating, and obtaining the posture parameter.The application realizes real-time output of the virtual instrument parameter, solves the problems of high test cost and long time consumption of the posture measurement system in a rotary steering drilling system through an automatic posture measurement method, and can effectively improve the test efficiency of a posture correction algorithm.

The invention discloses a coin-operated virtual Chinese lute online competition device and system based on the Internet, and relates to the technical field of game Chinese lute competitions.The virtual Chinese lute online competition device is internally provided with a vibration touch screen, and the lower end of the vibration touch screen is connected with a vibration mounting frame; the vibration touch screen has the advantages that the driving blade pushes the vibration frame to rotate when rotating along with the motor, the reset spring drives the vibration frame to reset quickly and flaps the vibration contact frame, the vibration touch screen is driven by the reset spring to generate vibration, and the vibration touch screen is driven by the vibration contact frame to generate vibration effect. Short and powerful vibration is generated to feed back a pushing-resetting mechanical action, so that the touch of string vibration transmitted to an instrument body when a real lute is plucked can be restored, the corresponding relationship between consumption and service is defined, the use frequency and revenue data of equipment can be accurately counted, the management of an operator is facilitated, and the core pain point of missing touch of a virtual instrument is solved.

The application provides a flight training process multi-dimensional data visualization presentation method and system, and belongs to the technical field of flight training data processing and visualization. The method comprises the following steps: firstly, aligning flight parameters, three-dimensional flight paths, control inputs and system state data to a unified time reference by calculating a time offset; secondly, rendering an intuitive flight track band chart in a three-dimensional terrain based on height and speed deviation through a bandwidth and color coding algorithm; simultaneously, driving virtual instruments and control devices to reproduce real-time flight states and control inputs in the cockpit; then, generating a comprehensive deviation heat map by fusing flight paths, speed and attitude deviation to quantitatively evaluate the overall performance; finally, realizing the synchronous linkage of the flight path view, the parameter curve view and the cockpit view through interactive events. The application realizes the visualization reproduction and accurate evaluation of the flight training process from the macroscopic situation to the microscopic operation, and effectively improves the training analysis efficiency and the objectivity of the evaluation.

The application discloses a kind of ophthalmic surgery simulation training devices combined with virtual reality technology including operating platform and head-mounted display, the operating platform is simultaneously connected with support mechanism and virtual instrument simulation mechanism, and simulation sensing mechanism is arranged on support mechanism;Virtual instrument simulation mechanism includes first handle and second handle, and first handle and second handle are hinged to each other, one end of first handle is connected with first tool bit, and the same end of second handle is connected with second tool bit, first tool bit and second tool bit are mutually clamped, and the center position of first tool bit and second tool bit is respectively provided with first VR positioner, the bottom end outer wall of second tool bit is simultaneously fixedly connected with hook head and electric telescopic rod, and the output end of electric telescopic rod is connected with second VR positioner;The ophthalmic surgery simulation training device combined with virtual reality technology disclosed in the application has certain deformation diversity, can simulate a variety of instrument forms, and further optimizes the effect of simulation reality degree.

1. The name of the design product: Virtual instrument shell (miniature). 2. The use of the design product: The design product is used for miniature virtual instrument shell. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a kind of shield machine propulsion oil cylinder control system and method related to shield machine control technical field, comprising: terminal industrial computer, the terminal industrial computer is configured with the shield machine propulsion control interface based on laboratory virtual instrument engineering platform construction;Through ethernet and the programmable controller of terminal industrial computer communication connection, through control and communication link system and the programmable controller communication connection of shield machine, the shield machine is configured with multiple propulsion oil cylinder, each the propulsion oil cylinder is configured with oil cylinder pressure sensor;The oil cylinder pressure sensor is connected with the programmable controller communication connection by control and communication link system;It can effectively make up the shortcoming of programmable controller data processing and the lack of computing ability, on the basis of guaranteeing control stability and reliability, improve the program running efficiency of programmable controller and the accuracy of control.

The invention aims to discuss the design and implementation of an intelligent temperature control cooking system based on LabVIEW and STC89C52RC single-chip microcomputers, and aims to improve the intelligent level of traditional cooking equipment and realize real-time monitoring and automatic adjustment of temperature. The system is characterized in that a virtual instrument technology is combined with an embedded system, the advantages of the virtual instrument technology and the embedded system are fully exerted, the intelligent level of the system is improved, the development cost and difficulty are reduced, and meanwhile, high-precision and high-response-speed intelligent temperature control is achieved through dynamic PID optimization of the improved particle swarm optimization. Functional requirements and performance indexes of the intelligent cooking system are analyzed, the overall architecture of the system is designed, an STC89C52RC single-chip microcomputer is adopted as a core control unit, and accurate data acquisition is achieved in combination with a GD60914 temperature sensor, a pressure sensor and the like. Data interaction between an upper computer and a lower computer is achieved through a serial port communication module, an upper computer control interface is developed through a LabVIEW platform, and display of temperature, pressure and the like, data processing and sending of control commands are completed.