112 results about "Block diagram" patented technology

The invention discloses a conversion method and system based on SysML and Modelica model semantic mapping. The method comprises the following steps that S1, a Modelica standard model library is imported into a SysML modeling tool; s2, completing the definition of behavior elements, and forming an SysML model instance; s3, exporting a Modelica model which can be executed by the Modelica simulator; s4, establishing a mapping relation table between SysML model elements and Modelica model elements; s5, when a change event occurs in the SysML model, updating the content of the corresponding Modelica model; s6, the Modelica model is imported into the SysML model, and a corresponding SysML model instance is generated; s7, simulation result mapping and behavior modeling generation are executed, a state transition diagram structure is formed, and structure updating of internal block diagrams in the system model is completed. According to the method, bidirectional conversion and joint simulation optimization between models are realized, and the method is suitable for cross-platform modeling, collaborative design and functional verification scenes of a complex system.

The invention discloses an engineering drawing compliance intelligent review method and system constructed based on a knowledge base and a large model. The method mainly comprises the following steps: intelligently analyzing a design specification in a natural language form by utilizing a large language model, and dynamically constructing a machine-readable rule base and a knowledge base; uniformly converting the multi-format engineering drawing into a structured intermediate format; functional areas and primitives in the drawing are recognized through a computer vision model, and natural language information describing attributes of the functional areas and the primitives is generated; and finally, in combination with the knowledge base and natural language description, performing compliance judgment by utilizing the reasoning ability of the large language model, and generating an interpretable review report. According to the method, computer vision and a large language model technology are fused, so that the defects that traditional manual review is low in efficiency and prone to making mistakes and a traditional automatic tool lacks semantic understanding ability are overcome, and efficient and accurate engineering drawing automatic compliance review with deep semantic understanding ability is achieved. Figure 1 of the abstract is a system architecture block diagram.

The invention belongs to the technical field of inverter control, and discloses a self-adaptive adjustment strategy for the inertia of a network-forming inverter in a large-disturbance scene of a parallel system, and the parallel system comprises the network-forming inverter and a network-following inverter, and is used for carrying out the self-adaptive adjustment of the inertia of the network-forming inverter in the large-disturbance scene. The method specifically comprises the following steps that a phase-locked loop is used for controlling the following grid type inverter, and following grid type dynamic influence factors of the following grid type inverter in a large disturbance scene are analyzed based on a following grid type inverter control block diagram; based on the following network type dynamic influence factors, constructing a following network type dynamic control equation used for describing the large disturbance process of the following network type inverter; according to the method, the inertia of the network-building type inverters is effectively adjusted in a large disturbance scene of the multi-inverter parallel system, the transient synchronization characteristic of the network-building type inverters in the multi-inverter parallel system is improved, the parallel system has more stable voltage and frequency support, and the stability of the whole system is further improved.

The invention discloses a method and device for restraining shaft system torsional vibration of a net-forming type double-fed fan under the variable wind speed. The method comprises the steps that a mathematical model of the electromagnetic torque-rotating speed difference of the net-forming type double-fed fan is constructed; drawing an electromagnetic torque-rotating speed difference Bode diagram according to the mathematical model; according to the mechanical parameters of the wind turbine and the motor, the shafting natural oscillation frequency of the doubly-fed fan is calculated, and stability analysis is conducted on damping of the shafting natural oscillation frequency in combination with the Bode diagram; drawing a small-signal model block diagram according to the mathematical model; analyzing the small-signal model block diagram to obtain an analysis result that a current loop provides a coupling path for the rotating speed and the active power; according to a stability analysis result and an analysis result of the small-signal model block diagram, negative damping brought by an operation area is weakened by reducing current loop bandwidth, so that the risk of torsional vibration of the shaft system is reduced.

The invention relates to an RC circuit health state assessment method, belongs to the technical field of circuit health management of equipment, and solves the technical problems of circuit health state assessment inaccuracy and high calculation cost caused by an algebraic ring in the prior art. The method comprises the following steps: constructing a multi-physics field coupling degradation model and a block diagram simulation model of the RC circuit device; the simulation module is used for acquiring a block diagram simulation model; converting the simulation module into a directed graph and obtaining an algebraic ring candidate set; determining a solving execution sequence of the simulation modules; establishing an algebraic ring solver according to a trust region broken line method; and obtaining a complete dynamic response result of the RC circuit device multi-physical field coupling degradation model in the whole simulation time by using an algebraic ring solver, and evaluating the health state of the RC circuit. According to the method, the algebraic ring in the degradation model can be accurately identified and efficiently processed, so that the physical authenticity of a degradation mechanism is ensured, and high-precision tracking of RC circuit performance and reliable evaluation of health state indexes are realized.

The invention discloses a building effect picture generation method based on multi-condition weighted fusion and block control. The building effect picture generation method comprises the following steps: 1, training a customized model; 2, preliminarily generating a rough effect picture A; 3, extracting and calibrating a global cue word to obtain a global cue word P1; 4, style condition modeling: obtaining a style condition vector C3 by using a Redux model of Flux; 5, amplifying the image to obtain a high-resolution image B; 6, image partitioning and partitioning cue word obtaining are carried out, and a partitioning cue word set P2 is obtained; 7, condition fusion; 8, geometric control preprocessing, which is used for constraining a geometric structure in a block generation process; 9, block refinement generation is carried out, and a high-resolution block graph with rich details and accurate geometry is realized; and 10, performing block merging and consistency repairing to obtain a final building effect picture. According to the method, the problems that the existing generation resolution is limited, the geometric structure of the building is distorted, global and local prompts are inconsistent, the style drifts, the block splicing trace is obvious, engineering parameter intervals are lacked and the like are solved.

The invention belongs to the field of inverter transient synchronous stability analysis, and discloses a coupling-considered parallel power supply system large disturbance stability analysis method, and the topological structure of a parallel power supply system comprises a network-constructing inverter, a network-following inverter, a line impedance and a power grid. The method specifically comprises the following steps: simplifying a topological structure of the parallel power supply system, constructing an equivalent circuit mathematical model of the parallel power supply system, and constructing a voltage vector expression at a common bus for analyzing a coupling interaction relationship between a network-constructing inverter and a network-following inverter; based on the control block diagram of the network-constructing type inverter, constructing a network-constructing type control ring mathematical model in the large-disturbance transient process of the network-constructing type inverter; the method solves the problems that in the prior art, the coupling influence of a grid-forming inverter and a grid-following inverter parallel power supply system is not considered sufficiently, and the transient stability under large disturbance is difficult to analyze accurately.

The invention belongs to the technical field of instrument detection, and provides a pointer instrument identification method and system for full-scale key point detection, and the method comprises the steps: obtaining an image of a to-be-detected pointer instrument, and determining a target position of the pointer instrument through a pre-trained dial detection model; intercepting a determined target position block diagram, preprocessing the target position block diagram to serve as an input image, and detecting all scale value positions, scale points, all pointer heads and pointer rotation center points by using a pre-trained key point model; intercepting an image of the scale value position obtained through detection as an input image, and recognizing a scale value value by using a pre-trained character recognition model; geometric correction and scale rearrangement are carried out; and performing linear interpolation on the pointer angle between the adjacent scale angles, and calculating the final reading of the meter according to the angle proportion and the corresponding scale value. According to the invention, strict requirements on pointer instrument detection in different scenes can be met.

The invention discloses a thermodynamic system parameter distribution method and device, and the method comprises the steps: S1, analyzing a block definition diagram and an internal block diagram from a SysML model to obtain a module structure description, a module value attribute, an interface specification of an equipment unit and a thermodynamic parameter description, and generating an analysis result, the analysis result comprises equipment unit port and connector information. And S2, based on the analysis result, mapping the equipment module to a simulation software element through name matching, and generating a steady-state thermal simulation model. And S3, associating the module value attributes with element attributes of the steady-state thermal simulation model through a parameter mapping mechanism, and generating attribute mapping data. And S4, generating a complementation parameter list according to the external design value and the heat balance demand. Therefore, the efficiency and accuracy of parameter allocation are improved, manual intervention is reduced, and it is ensured that the allocation result meets the requirements of system performance.

The invention discloses a transient reactive characteristic modeling method for a flexible excitation system under a power grid voltage fault, and the structure and a control block diagram of the system meet the following requirements: a synchronous generator is connected with a three-phase voltage source type converter, the three-phase voltage source type converter is connected with a chopping converter, the chopping converter outputs excitation voltage according to a system control signal, and the excitation voltage is converted into the excitation voltage. Therefore, excitation current is provided for the synchronous machine. The modeling process comprises the following steps: analyzing a synchronous machine equivalent diagram and an AVR control block diagram in the flexible excitation system so as to establish a corresponding mathematical model; then voltage and current parameters of a synchronous machine end of the system in a steady state before a fault are calculated; the transient current caused by the stator voltage change and the excitation voltage change is further solved respectively; and finally, the transient reactive power of the synchronous machine side of the flexible excitation system is obtained. The method provides a theoretical basis for realizing dynamic strong excitation control of the flexible excitation system and improving the stability of the system under a transient condition.

To solve the problem that the range of a patent claim is difficult to be understood by ordinary people.SOLUTION: An information processing device for creating a drawing showing a configuration from the range of a patent claim by using a computer comprises: input means for inputting the range of a patent claim; acquisition means for processing the inputted range of a patent claim by a large-scale language model LLM, and acquiring a code written by a language for creating a drawing illustrating the inputted range of a patent claim; and drawing means for drawing a block diagram or a flowchart for illustrating the inputted range of a patent claim according to the code obtained by the acquisition means. The acquisition means draws a component as a block when the component is included in the inputted range of a patent claim.SELECTED DRAWING: Figure 1

The embodiment of the invention discloses a road route stake mark positioning method and device based on a geographic data file. A specific embodiment of the method comprises the following steps: in response to a received file uploading instruction initiated by a user, obtaining geographic data information corresponding to the file uploading instruction, and storing the geographic data information; determining a coordinate point set contained in the geographic data file; according to the distance between every two adjacent coordinate points, generating a line segment-by-segment sub-line segment length set; in response to the received to-be-positioned pile number distance input by the user, determining an along-route distance value between the to-be-positioned pile number distance and the starting point pile number distance; according to the line segment-by-segment sub-line segment length set and the distance value along the line, to-be-positioned pile number coordinates are generated; and generating a rectangular block diagram according to the to-be-positioned pile number coordinates, and performing superposition display on the rectangular block diagram and the geographic data file. According to the embodiment, the accuracy of pile number positioning can be improved, and road construction errors are reduced.

The invention relates to the field of system engineering modeling, and particularly discloses a SysML-based modeling method, system and product, and in the modeling method, a functional architecture design step comprises the following steps: creating a functional architecture document, sequentially creating each functional module, and defining a subordination relationship of the functional modules; defining the input and output function data of the function module, and defining the function data and the direction at the same time; reading and identifying the functional architecture document, and creating a module definition diagram and an internal block diagram; the physical architecture design step specifically comprises the following steps: defining a software module for realizing each functional module; defining a physical data type and a data packaging mode for realizing each piece of functional data; and generating a state machine diagram for describing an interaction relationship and state driving logic of corresponding physical data when the software module runs, and defining a data transmission channel by determining a port and a protocol. According to the method, the problem of low efficiency of modeling design and communication cooperation caused by semantic limitation and structural mixing of a traditional SysML modeling method can be solved.

This invention provides a high-end scientific instrument reliability analysis and design method based on SysML, belonging to the field of instrument reliability analysis technology. The method includes: constructing a system model of the target instrument using SysML, the system model including a requirements diagram, internal block diagram, and attribute library; extracting all failure modes from all failure mode libraries and assigning them global numbers to establish a failure mode mapping matrix; performing failure mode and impact analysis (FMEA) for the target instrument based on the system model to obtain a failure mode and impact analysis table; establishing a parameterized reliability model for each functional path; calculating the reliability constraints of each functional path based on the system model and the impact analysis table; and performing reliability analysis based on the measured attributes and reliability constraints of sub-components to generate an optimization scheme. The advantages of this invention are improved accuracy, consistency, and automation of reliability analysis.

A large language model (LLM) system includes a personal AI agent, an enterprise AI agent, and a public AI agent. A method for operating the LLM includes: executing a first action plan to obtain a first integrated answer and a first integrated score based on a first query using the personal AI agent; and executing a second action plan to obtain a second integrated answer and a second integrated score based on a second query using the enterprise AI agent. A method for applying the LLM system includes: transforming a bitmap of a block diagram into a scalable vector graphics and integrating a semantic tag into the scalable vector graphics; training the large language model by using the scalable vector graphics integrated with the semantic tag and using a functional specification document; and generating a structured text description of the block diagram using the large language model which is trained.

The invention discloses a mountain landscape balance degree quantitative evaluation method based on a simulation effect, and the method comprises the steps: simulating a to-be-evaluated mountain landscape effect, and exporting a simulation effect picture; performing image segmentation on the simulation effect image according to the pixel values to obtain a complex color block image; simplifying the complex color block map by using a clustering algorithm to obtain a simple color block map; extracting mountain contour lines of all levels based on the simple color block map; smoothing and vectorizing the mountain contour line of each level to obtain a vector mountain contour line of each level; calculating the equilibrium coefficient of the vector mountain contour line of each level in different view ranges; and obtaining an evaluation result by integrating the equilibrium coefficients of the mountain contour lines at all levels. According to the method, the evaluation result is relatively objective, and reliable technical guidance is provided for objective evaluation in real and virtual mountain landscape design; an evaluation object is a simulated mountain landscape effect and corresponds to a mountain landscape design result, and an evaluation result can be linked with upstream and downstream design links to directly guide design optimization.

The application discloses an intelligent question and answer method for circuit block diagram structured extraction and knowledge enhancement, comprising the following steps: obtaining a circuit block diagram image to be analyzed; inputting the circuit block diagram image into a trained circuit component detection model to obtain the geometric shape category and the boundary box coordinates of each circuit component; the geometric shape category comprises element components and connection arrows; performing text region detection and recognition on the circuit components belonging to the element components according to the geometric shape category and the boundary box coordinates to obtain corresponding component name information; and determining the port of each circuit component by using a self-adaptive weight matching port determination algorithm according to the detection result of the connection arrows output by the circuit component detection model to obtain the input and output port quantity and position coordinates of each circuit component. The method realizes end-to-end automatic processing from the input of the circuit block diagram image to the output of the intelligent question and answer, and improves the understanding depth of the circuit principle and the question and answer reliability.

The invention discloses a device placement sequence management method and device, electronic equipment and a storage medium, and relates to the technical field of circuit board design. By selecting any one of same or similar devices needing to be checked, all same or similar devices in a component are automatically determined; the method comprises the following steps of: automatically screening a signal capable of judging a device serial number on a pin of each device, recording digital bit information of the signal, and putting the serial number generated according to the digital bit information and a device bit number into a block diagram which is scaled down with the design size of a component in an equal proportion, so that an engineer can accurately and comprehensively judge the arrangement sequence of the devices; and modification and adjustment are carried out as required according to the inspection result, so that the inspection efficiency is improved, a series of subsequent software and hardware design, production, test and later maintenance problems caused by wrong arrangement sequence of the devices can be avoided, a large amount of manpower and time cost is saved, and the product reliability is improved at the same time.

The embodiment of the invention discloses a model simulation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a target script file corresponding to a target block diagram assembly when the target block diagram assembly in a system simulation model meets a preset simulation condition; wherein the system simulation model comprises a first block diagram component and a target block diagram component, and the first block diagram component and the target block diagram component respectively correspond to different program languages; performing initialization processing on the target block diagram component based on the component attribute parameters and the initialization function; and determining interface output data of the target block diagram component based on the preposed first block diagram component and the single-step calculation function of the target block diagram component, and completing a component simulation processing process, so that a program language suitable for an information domain is embedded into a system simulation model constructed based on a physical domain program language for simulation calculation, and the simulation calculation efficiency is improved. The research and development cost of the block diagram model of information domain and physical domain fusion simulation is reduced, and the simulation effect and applicability of the block diagram model are improved.

A schematic block diagram of a decoder for decoding an encoded audio signal is shown. The decoder includes an adaptive spectrum-time converter and an overlap-add-processor. The adaptive spectrum-time converter converts successive blocks of spectral values into successive blocks of time values, e.g. via a frequency-to-time transform. Furthermore, the adaptive spectrum-time converter receives a control information and switches, in response to the control information, between transform kernels of a first group of transform kernels including one or more transform kernels having different symmetries at sides of a kernel, and a second group of transform kernels including one or more transform kernels having the same symmetries at sides of a transform kernel. Moreover, the overlap-add-processor overlaps and adds the successive blocks of time values to obtain decoded audio values, which may be a decoded audio signal.

This application discloses a method, system, and electronic device for identifying joint model parameters of a collaborative robot. The method includes: equating the components of a collaborative robot joint to a dual-inertia elastic model and establishing dynamic equations; performing a Laplace transform on the dynamic equations to obtain the transfer function of the dual-inertia elastic model; constructing a control block diagram of the dual-inertia elastic model based on the transfer function; obtaining the transfer functions between electromagnetic torque and motor angular velocity and load angular velocity based on the control block diagram; obtaining the parameters to be identified based on the transfer function between electromagnetic torque and load angular velocity; dividing the transfer function between electromagnetic torque and motor angular velocity into three parts based on the frequency domain characteristics of the transfer function; and identifying the parameters of the model based on these three parts. The parameters obtained by the method of this application have clear physical meanings and high accuracy.

A computer-implemented method is provided for generating a control program for a target platform from a graphical control model of a development platform. The graphical control model includes a block diagram having a plurality of blocks. The graphical control model references a definition database in which information relating to the graphical control model is stored. The definition database includes at least one target specification object. The method includes: generating the control program according to target platform-specific generation rules for the control program comprised in the target specification object, wherein the target specification object is referenced by one or more blocks of the graphical control model, and wherein the target platform-specific generation rules for control program portions that correspond to the blocks referencing the target specification object are taken into account when generating the control program.

The invention provides an information visualization method and system applied to intelligent building carbon emission monitoring, and the method comprises the steps: firstly obtaining an initial carbon emission data set of different functional regions of an intelligent building in a continuous monitoring period, and then carrying out the feature extraction of the initial carbon emission data set; generating a time sequence fluctuation feature set and a spatial distribution correlation feature set, then inputting the time sequence fluctuation feature set and the spatial distribution correlation feature set into a machine learning network, generating a visual basic data set containing a carbon emission evolution trend and a regional difference feature, and according to a visual coding rule, determining the carbon emission evolution trend according to the visual basic data set. According to the method, the characteristic components are mapped into graphical representation parameters, and finally, visual graph data containing a time axis carbon emission fluctuation thermodynamic diagram and a building space carbon emission distribution color block diagram are generated based on the graphical representation parameters, and are presented in real time through an interactive display interface, so that management personnel can quickly and accurately master the carbon emission condition of a building, and the construction efficiency is improved. And abnormal carbon emission regions and evolution trends can be found in time.

This invention discloses a deterministic delay and arbitrary range delay compensation adjustment architecture between multiple DA channels. In this architecture, each DAC consists of a set of ADC_CLK and SYSREF, and each FPGA consists of a set of REF_CLK and SYSREF. This architecture is used to design the clock block diagram and the deterministic delay synchronization output rate of multiple DACs. The frequency multiplier multiplies the reference input to output DAC_CLK and REF_CLK. DAC_CLK is set according to the DAC operating frequency, and REF_CLK is determined according to the operating range of the frequency divider. In this system, REF_CLK = DAC_CLK / N (N<=40). The frequency divider receives REF_CLK1 and divides it to output the required SYSREF. The clock fan-out fans out DAC_CLK into N DAC_CLKs according to the number of DACs. Through reasonable clock arrangement, only the clock fan-out chip can be used when the number of DACs is increased, ensuring that the output time remains stable after multiple power-on cycles while reducing hardware costs.

The invention relates to the technical field of futures analysis, in particular to a quadrangular block diagram-based futures analysis method. The method comprises the following steps: S1, data collection; s2, preprocessing the data collected in the step S1; s3, constructing a quadrilateral grid through the data processed in the step S2; s4, filling the quadrilateral grids obtained in the step S3 with the data processed in the step S2 to obtain quadrilateral block graphs; s5, carrying out statistics on transaction data in the quadrilateral block graph obtained in the step S4; and S6, determining the futures trading condition for the quadrilateral block diagram obtained in the step S4 through color change. According to the futures analysis method based on the quadrilateral block diagram provided by the invention, by incorporating dimensions such as the specific position amount and the multi-empty direction of the futures market into thermodynamic diagram analysis, the limitation of traditional futures schematic is overcome, and more comprehensive market microstructure insight is provided for futures traders.

1. Name of the Design Product: Graphical User Interface for Viewing Details of Standard System of Electronic Devices. 2. Use of the Design Product: For an electronic device. 3. Design Key Points of the Design Product: Lies in the graphical user interface. 4. Picture or Photo that Best Illustrates the Design Key Points: Front View. 5. Use of the Graphical User Interface: For viewing details of the standard system. 6. Description of the Changing States of the Graphical User Interface: Click on "View System" on the right side in the front view to enter the changing state diagram 1; click on "System Block Diagram" in the changing state diagram 1 to enter the changing state diagram 2; click on "Compilation Instructions" in the changing state diagram 2 to enter the changing state diagram 3; click on "Standard Statistics" in the changing state diagram 3 to enter the changing state diagram 4; click on "Chart Statistics" in the changing state diagram 4 to enter the changing state diagram 5. 7. Other Situations Requiring Explanation: Other Explanation: X is the text content; the coated content is the content screen.

The application discloses a multi-unmanned aerial vehicle guidance probability optimal distribution method for cluster targets. In the method, a system using a PN guidance law is re-expressed as a linear time-varying system composed of an unmanned aerial vehicle autopilot and a seeker dynamics by using a zero control miss distance. According to a control theory, the system can be established as a block diagram form, with a target maneuver and an initial heading error as inputs and the zero control miss distance as output. Then, a covariance analysis method is introduced to accurately calculate the average value and variance of the zero control miss distance under the interference of the target random maneuver and the heading error. By combining the effective action radius of the unmanned aerial vehicle on-board load, the guidance probability of a single unmanned aerial vehicle to a single target can be accurately obtained, and the optimal distribution result is obtained by combining a marginal revenue enumeration method, and on this basis, the unmanned aerial vehicle is controlled to fly to the target by a proportional guidance guidance law.

The invention discloses a method for testing the sensitivity of a piezoelectric acceleration sensor in real time under thermal stress and vibration stress. The method comprises the following steps: step 1, establishing a set of piezoelectric acceleration sensor sensitivity real-time testing system for providing thermal stress and vibration stress; 2, building a test system program block diagram and designing a software interface on the basis of LabVIEW; 3, setting a thermal vibration stress environment of the test system; 4, determining peak-to-peak values of output signals of the to-be-detected sensor and the standard sensor; 5, calculating the sensitivity of the sensor to be detected; by using the test system, the sensitivity of the piezoelectric acceleration sensor can be tested in real time in a thermal and vibration dual-stress test environment.

The invention provides a comprehensive wiring design method, device and equipment based on a three-dimensional model and a readable storage medium, and relates to the technical field of three-dimensional building models. A Dynamo parameterization design plug-in is configured in Revit software to achieve establishment of parameterization families of all standard modules in a comprehensive wiring diagram, manual information socket placement, automatic statistics of detailed tables, automatic generation of horizontal working areas of all layers and system block diagram separation frames, extraction of calculation data and automatic association of mark families. According to the method, the comprehensive wiring system diagram can be generated in a standardized, modularized and normalized manner, various parameterized family modules are reasonably set in combination with project requirements, and manual arrangement and automatic calculation are combined, so that the design specification of the diagram can be improved, and standard drawing requirements can be met; by automatically associating the marked family and the parameterized family module of the floor management room at any time, automatic calculation and change of information parameters can be met, and the association linkage of drawing parameters is improved.

The application belongs to the field of comprehensive radio frequency system, and particularly relates to a comprehensive radio frequency system model based on a meta model and a comprehensive radio frequency system design method, the system model comprising: a concept model, a logic model and a data model; the concept model comprising a use case model and a composition model; the use case model being used to describe a top layer operation architecture and a system boundary of the system, and being described by a use case diagram of a SysML language; the composition model being used to describe a concept composition relationship of the system, and being described by a block definition diagram of the SysML language; the logic model comprising activities and interfaces; the activities being basic elements for describing behaviors of the system, and being described by an activity diagram of the SysML language; the interfaces being basic elements for describing elements transmitted externally by different forms, and being described by an internal block diagram of the SysML language; the data model comprising system form elements and physical data; the system form elements being basic elements for instantiating concept of the system, and being described by a block definition diagram of the SysML language; and the physical data being basic elements for describing interactions between systems, and being described by an internal block diagram of the SysML language.