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113 results about "Experimental model" patented technology

Experimental model. experiment carried out using a model of a real system which contains some of the risk factors which apply in the real state; the model is a simplification of real life. experimental study.

Experimental data processing method and device, AI analysis module and computer equipment

The invention relates to an experimental data processing method and device, an AI analysis module and computer equipment, and belongs to the field of data processing.The method comprises the steps that multi-dimensional original data are partitioned according to types, and formats are unified; generating a similarity matrix based on time and space neighborhood information, and marking abnormal fluctuation points; effective signals are separated through a time-frequency feature matching noise library; extracting multi-layer features of basic statistics, time sequence correlation and trend change; and dynamically screening core features to update the tracking type experimental model. The matched AI analysis module integrates hardware circuits of data partitioning, similarity calculation, anomaly marking, noise matching, feature extraction and model updating, and whole-process acceleration is achieved. According to the method, through multi-dimensional data compatibility processing, accurate anomaly detection, multilayer feature fusion and model adaptive optimization, the experimental data processing efficiency and conclusion reliability are remarkably improved, and the method is suitable for real-time analysis of multiple scenes such as scientific research and industry.
Owner:深圳市伊元科技有限公司

Polyimide-based composite material design method and system based on experiment-machine learning collaborative optimization

The invention belongs to the technical field of composite material design, and discloses a polyimide-based composite material design method and system based on experiment-machine learning collaborative optimization. The method comprises the following steps: S1, experimental database construction and machine learning performance modeling; S2, machine learning model construction and training; S3, model evaluation and performance index output; and S4, intelligent design of the polyimide-based composite material. The multi-objective performance collaborative optimization design and preparation of the polyimide-based ternary carbon heterostructure composite material are carried out by taking experimental data as a main material and machine learning as an auxiliary material. According to the method, an experiment-model-optimization closed-loop iterative design system is constructed based on an experiment-machine learning collaborative optimization method, the method has the advantages of high prediction precision, high optimization efficiency, good multi-target adaptability and the like, the development efficiency of the polyimide-based composite material is remarkably improved, and the development cost of the polyimide-based composite material is reduced. The method is suitable for intelligent design and large-scale application and popularization of the high-performance heat-conducting electromagnetic shielding material.
Owner:SHANGHAI UNIV

Loess slope seepage three-dimensional observation device and method under circulating seepage

The invention relates to the field of seepage analysis, and particularly discloses a loess slope seepage three-dimensional observation device and method under circulating seepage, and the method comprises the steps: constructing a loess seepage slope physical simulation experiment model, collecting an experiment sample image by using an image collection device, and analyzing the attribute parameters of the device to determine whether to adjust the device; preprocessing, bilateral filtering and temperature difference analysis are carried out on the collected experiment image, preprocessing process parameters are monitored, preprocessing precision factors are evaluated according to the parameters, and whether secondary processing is carried out or not and temperature abnormal areas are separated or not is judged; matching a temperature mapping parameter set based on the precision factor, evaluating the mapping accuracy, and correcting as required; finally, an initial three-dimensional temperature field is generated in combination with sensor data, and a permeation path is generated for three-dimensional rendering; according to the method, through multi-step cooperation, three-dimensional observation and analysis of loess slope seepage are achieved, a systematic technical scheme is provided for research of loess slope seepage characteristics, and improvement of the accuracy and the visualization level of slope seepage research is facilitated.
Owner:SHIJIAZHUANG TIEDAO UNIV

Method for testing compactness and stress of anchor rod

The invention discloses a method for testing the compactness and stress of an anchor rod. The method comprises the following steps: constructing an experimental model for testing the compactness and stress of the anchor rod; performing nondestructive testing on the experimental model by using an anchor rod nondestructive testing system, and calculating the compactness of the anchor rod according to a waveform time-distance graph transmitted by the obtained excitation waves in the anchor rod; carrying out multiple anchor rod drawing experiments and anchor rod nondestructive testing experiments on the experimental model to respectively obtain anchoring surrounding rock body parameters, anchoring quality parameters and anchor rod stress states; and the analysis anchoring force is calculated according to the anchoring surrounding rock parameters and the anchoring quality parameters. According to the method, a nondestructive testing result and a result obtained by an anchor rod drawing force experiment are mutually verified by constructing an experimental model for testing the compactness and the stress of the anchor rod, and a calculation rule of the anchor rod drawing force is summarized, so that mathematical calculation is performed, the working efficiency is improved, and reliable data are provided for tunnels, geotechnical engineering supports and the like.
Owner:SOUTHWEST JIAOTONG UNIV +3

Power grid intelligent power flow control method based on improved cuckoo search algorithm

The invention discloses a power grid intelligent power flow control method based on an improved cuckoo search algorithm. The method comprises the following steps: firstly, constructing a mathematical model of an AC-DC hybrid system, analyzing the characteristics and interaction of each device in the system, and determining a composite function taking the minimization of power generation cost, active loss and generator voltage deviation as targets according to an operation target; and then, decomposing the complex objective function into a plurality of sub-problems through hierarchical processing, and realizing respective solving. In hierarchical calculation, an improved cuckoo algorithm is adopted for optimization in a solution space, and an optimal power flow distribution and control strategy is obtained. And finally, intelligent layered power flow control of the alternating-current and direct-current hybrid system is realized according to an optimization result. According to the invention, the system response speed and the regulation efficiency are obviously improved, and the effect in the aspect of optimized operation is outstanding; compared with the traditional Cuckoo search CS algorithm and NSGA algorithm, the cost consumption is respectively saved by 2.21% and 4.49%; the experimental model is low in weekly average cost and high in power transmission efficiency, the power transmission efficiency is effectively improved, and the loss cost is reduced.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LIANYUNGANG POWER SUPPLY CO +1

Pile sinking soil body response prediction regulation and control method based on physical model

The invention discloses a pile sinking soil body response prediction regulation and control method based on a physical model, and relates to the technical field of geotechnical mechanics pile foundation engineering, and the method comprises the following steps: constructing an experimental model, arranging a sensor, and operating a loading device to enable the experimental model to sink a pile; according to the model pile sinking process, the soil body response is monitored in real time, and monitoring data are obtained; inverting the dynamic response of the soil body through the PINN inversion model, and coupling the DEM and the FEM to simulate and predict the response of the soil body; and risk control is carried out through a CEI early warning decision-making method. The device and the method are used for solving the problems of incomplete data acquisition, inaccurate simulation and lack of early warning in a traditional open tubular pile soil squeezing model test.
Owner:ANHUI MINGSHENG ELECTRIC POWER DESIGN CO LTD +1

Test method and apparatus for evolution of neighborhood stress field during fault instability

A test method and apparatus for the evolution of a neighborhood stress field during fault instability. The test method comprises: step S1: manufacturing a substrate (101); S2, selecting a pre-configured surface (101a) of the substrate to fix a strain sensing member (102); step S3, fixing the substrate (101) to the position of a fault in an experimental model (103), and determining a coordinate position of the substrate (101) on the basis of an inclination angle of the fault; step S4, connecting the strain sensing member (102) to a strain gauge; step S5, applying in-situ triaxial stress to the experimental model (103), and applying disturbance to the experimental model (103) when the experimental model reaches equilibrium; and step S6, calculating a stress value on the basis of a strain component measured by the strain gauge, and capturing the dynamic evolution of a neighborhood stress field during fault plane instability caused by the disturbance.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Ultra-large physical simulation system for earthquake induction and safety regulation in hot dry rock development

ActiveCN120254939ACosmonautic condition simulationsEarth material testingBedrockEnhanced geothermal system
The invention belongs to the technical field of induced earthquakes in hot dry rock exploitation, and provides a hot dry rock development induced earthquake and safety regulation ultra-large physical simulation system which comprises an experimental model, the experimental model comprises a top surface, a bottom surface and side surfaces, and distributed stress loading systems are arranged on the top surface, the bottom surface and the side surfaces of the experimental model; a heating feedback system is arranged between the distributed stress loading system and the bottom surface and the side surface of the experimental model, and an injection well and a production well are formed in the experimental model along opposite angles; the first temperature sensor, the high-temperature-resistant deformation sensor and the high-temperature-resistant fluid pressure sensor are arranged on the prefabricated fault, and the high-temperature-resistant acoustic emission and microseismic sensor is arranged on the boundary of the experimental model, so that the prefabricated fault is comprehensively monitored in the experimental process; the whole-process monitoring of the inoculation process of the induced earthquake caused by injection and production of the hot dry rock, the sliding of the prefabricated fault and the fracture of the bedrock is realized, and the mechanism of the induced earthquake is revealed.
Owner:NORTHEASTERN UNIV CHINA

Dynamic response test method for underwater model of deep sea oil delivery hose

The invention relates to the technical field of dynamic response testing, in particular to a dynamic response testing method for an underwater model of a deep sea oil delivery hose. The method comprises the following steps: designing an experimental model of the deep sea oil delivery hose according to a similarity rate, calculating seabed boundary constraint conditions of the bottom end of the hose in an experiment, and equivalently representing the supporting effect of a vertical pipe on the hose in the horizontal direction and the vertical direction by adopting a spring stiffness model; based on technical parameters and sea conditions of the FPSO, hydrodynamic software is adopted to calculate and generate a six-degree-of-freedom movement time history of the robot; the six-degree-of-freedom movement process of the robot platform is input into a robot control system for loading testing; a camera is used for collecting images used for recording all the whole shooting and testing processes. According to the invention, the motion mode of the semi-submersible FPSO can be accurately loaded and reasonably simulated, and the high accuracy of the test result is ensured by optimizing the boundary condition of the hose model.
Owner:OFFSHORE OIL ENG CO LTD

Underwater archaeological detection and identification simulation system based on underwater cultural relic experiment model

The invention discloses an underwater archaeological detection and identification simulation system based on an underwater cultural relic experiment model, and relates to the technical field of underwater archaeological detection.The underwater archaeological detection and identification simulation system comprises a detection management platform, and the detection management platform is in communication connection with the following modules: a cultural relic experiment model library building module, a cultural relic experiment model library building module and a cultural relic experiment model library building module, establishing a standardized and parameterized underwater cultural relic digital model library; and the multi-mode detection simulation module is used for simulating the response of acoustic, optical and electromagnetic detection technologies in the underwater environment. By constructing the standardized underwater cultural relic digital model library and combining geometry-material modeling and burying state configuration, accurate simulation of physical attributes and burying scenes of underwater cultural relics is realized, so that a simulation environment is closer to a real underwater condition, and the simulation efficiency is improved. The problems that traditional field detection depends on artificial diving, is low in efficiency and is limited by diving depth and time are effectively solved, and the trueness and reliability of detection simulation are remarkably improved.
Owner:THIRD INSTITUTE OF OCEANOGRAPHY STATE OCEANI C ADMINISTRATION

Method for testing wave velocity and anchoring quality of anchor rod system

The invention discloses a method for testing the rod system wave velocity and anchoring quality of an anchor rod, and the method comprises the steps: building an experimental model for testing the rod system wave velocity of the anchor rod, and testing the rod system wave velocity of the anchor rod wrapped by different anchoring media through the experimental model; the influence of different anchoring media on the anchor rod system wave velocity is analyzed through multiple experiments, and the curvilinear relation between the different anchoring media and the anchor rod system wave velocity and the anchoring quality is established; and evaluating the anchoring quality by measuring the rod system wave velocity of the anchor rod by using the curve relationship. According to the method, engineering scenes under different working conditions are simulated, the anchoring section wave velocity of an anchor rod anchoring system can be more comprehensively recognized, meanwhile, the anchoring quality is rapidly evaluated by measuring the anchor rod system wave velocity in actual engineering, problems in the construction process are found and corrected in time, the anchoring quality problem is avoided, and the construction efficiency is improved. The method has remarkable anchoring engineering quality identification and scientific research values.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD +3

AD early warning model construction method and system based on multi-dimensional test

The invention relates to the technical field of medical health, and provides an AD early warning model construction method and system based on a multi-dimensional test, and the method comprises the steps: collecting nerve image data, biomarker data and clinical feature data of a plurality of subjects, carrying out the abnormal data screening of a nerve image data set, carrying out the data cleaning of a biomarker data set, and carrying out the data cleaning of the biomarker data set; carrying out data coding on the clinical feature data set, respectively carrying out feature extraction on the preprocessed neural image data set and the preprocessed biomarker data set to obtain a neural image feature set and a biomarker feature set, and constructing a multi-dimensional feature matrix set; and obtaining a weighted multi-dimensional feature matrix set by using the training set matrix subset and the test set matrix subset, training the clinical prediction model by using the weighted multi-dimensional feature matrix set to obtain an early warning experiment model, and testing the early warning experiment model to obtain an early warning model. The problems of low diagnosis precision and abnormal data interference of a single data source can be solved.
Owner:GUIZHOU UNIV +1

Anti-seepage control analysis method and system for deep foundation pit simulation experiment

The invention relates to the technical field of underground engineering simulation, in particular to an anti-seepage control analysis method and system for a deep foundation pit simulation experiment. The method comprises the steps that an experimental model is divided into a plurality of anti-seepage detection areas, and each anti-seepage detection area is associated with an edge area; an anti-seepage detection area is endowed with an identifier, identifier data are output according to the experiment input condition, and the anti-seepage detection area is obtained; acquiring anti-seepage detection combination area data according to the identifier; performing underground water simulation by adopting the experimental model, and outputting seepage data of the seepage-proofing detection combination area; the system comprises a detection area division module, an identifier endowing module, a combined area acquisition module and a seepage data output module. According to the method, the experimental input condition is converted to output the corresponding identifier data, any anti-seepage detection combination area is combined according to the identifier, the experimental model is adopted for underground water simulation, the seepage data of the anti-seepage detection combination area is output, and the accuracy of evaluating the anti-seepage performance is improved.
Owner:POWERCHINA MUNICIPAL CONSTR GRP CO LTD

Experiment design and supervision system and method

The invention discloses an experiment design and supervision system and method, and belongs to the field of artificial intelligence. According to experiment requirements and sample characteristics, an experiment scheme is generated by adopting an experiment model and combining a local knowledge base and internet retrieval content; according to the experiment scheme, an experiment target is disassembled into specific equipment operation instructions, and instrument equipment and a robot are controlled to complete an action sequence; constructing a structured security rule base, processing unstructured information by using a large model, and checking whether the experimental scheme and the operation instruction violate security rules or not; the method comprises the steps of constructing a multi-field ethical rule base, extracting ethical related elements in an experiment scheme, and examining whether the ethical related elements conform to rules or not based on the ethical rule base, so that an experiment task is automatic and intelligent, the experiment efficiency is improved, and the experiment safety and compliance are guaranteed.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Reconstruction method for simulating local scouring terrain of pier in sandpit environment

The invention relates to a reconstruction method for simulating a local scouring terrain of a bridge pier in a sandpit environment, comprising a bridge pier local scouring experimental model, the bridge pier local scouring experimental model comprises a water tank, gravels are laid at the bottom of the water tank, a vertical support rod for simulating the bridge pier is fixed in the middle of the water tank, and a sunken sandpit area is arranged beside the vertical support rod. An annular track is arranged above the water tank, a mobile camera is arranged on the annular track, a black and white checkerboard is made as a terrain reconstruction control point in the to-be-tested area, and the mobile camera carries out annular shooting in the research area; a PMVS algorithm is adopted, a result of sparse three-dimensional point cloud reconstruction is optimized, then topographic feature analysis of a local scouring bed surface of a pier and quantitative calculation of a pit area are performed when a sand mining pit exists, the method is suitable for a water tank test and a riverbed physical model test, the riverbed three-dimensional topography before and after scouring can be rapidly and efficiently reconstructed, the precision is high, and the method is suitable for popularization and application. And the research of the pier scouring terrain is facilitated.
Owner:FUZHOU SUSTAINABLE URBAN DEVELOPMENT RESEARCH INSTITUTE CO LTD +1

Method, device, apparatus and storage medium for determining single mineral surface wettability

ActiveCN119246336BSurface/boundary effectInteraction energyPhysical chemistry
The method, device, equipment and storage medium for determining the surface wettability of a single mineral provided in the embodiments of the present application comprise: establishing a water molecule model, a crude oil component model and a mineral model with pores respectively; loading water molecules composed of the water molecule model and crude oil components composed of the crude oil component model into the pores of the mineral model respectively; optimizing a system model; performing molecular dynamics simulation on the optimized system model to obtain a mineral model with water molecules and crude oil components in the pores; calculating the interaction energy of the mineral and water and the interaction energy of the mineral and the crude oil components respectively; and determining the oil-water wettability of the mineral surface according to the interaction energy of the mineral and water and the interaction energy of the mineral and the crude oil components. In the embodiments of the present application, a measurement environment close to geological conditions can be created, and corresponding experimental models can be established for crude oil components and mineral components, which is conducive to characterizing the heterogeneity of reservoir wettability.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Surface deformation anomaly response prediction method under coupling of faults and loose layers

This invention relates to the field of surface subsidence and deformation technology, and particularly to a method for predicting abnormal surface deformation responses under the coupling of faults and loose layers. This method solves the technical problem of accurately assessing the surface subsidence and deformation patterns caused by coal mining under different geological conditions in existing technologies. The technical solution includes: establishing a three-dimensional numerical model using a Mohr-Coulomb constitutive model and setting the fault zone thickness; establishing eight sets of control experimental models and using the controlled variable method to study the effects of fault dip angle and loose layer thickness; performing simulation calculations by excavating the working face in 13 steps, with each step having a spacing of 30m; and effectively revealing the characteristics of how increasing fault dip angle promotes an increase in the maximum surface subsidence value, and how increasing loose layer thickness leads to an increase in the subsidence value followed by stabilization. This method can effectively assess the abnormal response patterns of surface subsidence and deformation under complex geological conditions.
Owner:COAL IND JINAN DESIGN & RES

A high speed wind tunnel for three-dimensional PIV

The application discloses a high-speed wind tunnel applied to three-dimensional PIV, which comprises a nozzle section and an experimental section, wherein the experimental section is provided with an experimental area capable of placing an experimental model or a real aircraft; a concave cavity is arranged on the wall surface downstream of the experimental area of the experimental section, and an observation window is arranged on the wall surface of the concave cavity and faces the experimental area. The application is applied to the field of aerodynamics, and the angle of the observation window can be flexibly adjusted according to the characteristics of the supersonic flow field. The camera lens can be arranged vertically to the observation window during flow field observation, the imaging blur problem caused by the refraction of the observation window glass is avoided, clear flow field images are ensured to be shot, and the three-dimensional velocity field can be accurately calculated.
Owner:NAT UNIV OF DEFENSE TECH

A simulation device for deep-buried roadway slotting blasting and a loading method thereof

The application discloses a kind of simulation device and loading method for deep buried roadway slotting blasting in the technical field of experimental equipment, including double-shaft loading unit and the rock mass simulation test piece being arranged in the double-shaft loading equipment;First, make roadway experimental model, use electric blasting comprehensive experimental system to carry out blasting on the model, study the rock breaking mechanism of slotting hole blasting under different stress levels, the movement characteristics of post-blasting rock mass, dynamic strain evolution process and post-blasting effect analysis.This application mainly studies deep high-stress roadway, independently selects stress similarity constant and geometric similarity constant according to similarity experiment law, arranges blasting borehole and network according to on-site blasting live, which can realize comprehensive and real simulation of on-site slotting blasting process.Provides reliable experimental method and result for mine roadway slotting blasting mechanism research, which can provide guidance for on-site slotting blasting optimization.
Owner:HUNAN LIANSHAO CONSTR ENG GRP +1

Simulation experimental device for slope instability mechanism under the coupling action of earthquake and rainfall

The embodiment of the present application provides a simulation experimental device for the instability mechanism of slopes under the coupling action of earthquakes and rainfall, which relates to the technical field of earthquake simulation equipment. The simulation experimental device for the instability mechanism of slopes under the coupling action of earthquakes and rainfall includes: a model storage mechanism, a driving transmission mechanism, the transmission mechanism is located at the lower end of the model storage mechanism, and the transmission mechanism vibrates the model in the model storage mechanism, an adjustment mechanism, the adjustment mechanism is located at the lower end of the model storage mechanism, the adjustment mechanism is located in the middle of the transmission mechanism, and the transmission mechanism moves upward and drives the adjustment mechanism to rotate. The cooperation position and state of the cam and the vibration convex plate can be precisely changed, so as to realize the precise adjustment of the vibration amplitudes of the toe, the top and both sides of the slope of the experimental model, meet the requirements for simulating the vibration amplitude of slopes under different experimental conditions, and help to deeply study the influence of the vibration amplitude on the instability mechanism of slopes.
Owner:SICHUAN HIGHWAY PLANNING SURVEY DESIGN AND RESEARCH INSTITUTE LTD

Heterogeneous traffic flow macroscopic fundamental diagram experimental modeling method considering takeover behavior

The invention belongs to the technical field of heterogeneous traffic flow modeling and intelligent traffic management, and relates to a heterogeneous traffic flow macroscopic fundamental diagram experimental modeling method considering takeover behaviors, which comprises the following steps of: firstly, performing stage division on driving behaviors of L3-level man-machine co-driving vehicles, and selecting a car-following model; integrating TOV permeability and takeover rate, four typical car-following modes in heterogeneous traffic flow and a function degradation mechanism of cooperative adaptive cruise control to deduce theoretical scale models of vehicles of various models in the traffic flow. A joint simulation platform is built to restore a heterogeneous traffic flow scene, and a two-stage multi-cycle experiment process is designed to collect comprehensive traffic flow data under different density levels. Whether the experimental vehicle model proportion is matched with the theoretical vehicle model proportion or not is checked, and if yes, the improved Underwood model is used for fitting experimental data to obtain an experimental model of the macroscopic fundamental diagram. The method has the advantage that an accurate model basis is provided for heterogeneous traffic flow characteristic analysis and CAV cooperative control strategy formulation.
Owner:JILIN UNIVERSITY

A method for reconstructing and inverting overburden rock and surface crack network for similar simulation experiment

The application discloses a kind of overburden and surface fissure network reconstruction and inversion method for similar simulation experiment, it is related to network reconstruction and inversion technical field, including: carrying out simulation test, laying experimental model;Carrying out test, collecting three-dimensional point cloud data;Data is preprocessed, and feature vector is extracted;Based on feature vector reconstruction point cloud, get fissure feature, reconstruct fissure network;Optimize fissure network, carry out three-dimensional visualization and analysis;Model is imported into simulation software, iteratively optimized parameter, and the evolution process of fissure is inverted.The application uses three-dimensional point cloud imaging technology to realize high-precision data acquisition and processing, accurately extracts fissure feature;Based on fault image or point cloud data, three-dimensional reconstruction algorithm is used to reconstruct the three-dimensional model of fissure network, and multi-scale modeling is supported;Through numerical simulation, the evolution process of fissure is inverted, combined with machine learning algorithm to optimize inversion model, improve prediction accuracy.
Owner:CHINA ACAD OF SAFETY SCI & TECH

Experimental data processing method and device, AI analysis module and computer equipment

This invention relates to an experimental data processing method, apparatus, AI analysis module, and computer equipment, belonging to the field of data processing. The method includes: segmenting multi-dimensional raw data by type and unifying the format; generating a similarity matrix based on temporal and spatial neighborhood information to mark abnormal fluctuation points; separating effective signals by matching a noise library with time-frequency features; extracting multi-layer features of basic statistics, time-series correlation, and trend changes; and dynamically selecting core features to update a tracking experimental model. The accompanying AI analysis module integrates hardware circuits for data segmentation, similarity calculation, anomaly marking, noise matching, feature extraction, and model updating, achieving full-process acceleration. This method significantly improves the efficiency of experimental data processing and the reliability of conclusions through multi-dimensional data compatible processing, accurate anomaly detection, multi-layer feature fusion, and adaptive model optimization, and is suitable for real-time analysis in various scenarios such as scientific research and industry.
Owner:深圳市伊元科技有限公司

Rotatable body ventilation cavitation multi-phase flow closed-loop regulation and control experiment system of vertical water tunnel

The invention relates to a multi-phase flow closed-loop regulation and control experiment system for ventilation cavitation bubbles around a revolving body of a vertical water tunnel, and belongs to the field of cavitation water tunnel experiment technologies and equipment. Comprising a control system, a sensing system, a ventilation system, a rudder deflection system and an experimental model. The sensing system senses the state of the experimental model in real time; the control system is used for generating a rudder deflection control instruction and sending the rudder deflection control instruction to the rudder deflection system; a ventilation control instruction is generated and sent to a ventilation system; the rudder deflection system is used for adjusting rudder deflection parameters of the experimental model according to the rudder deflection control instruction, so that the attitude of the experimental model is adjusted, and the free pitching motion of the experimental model is realized; the ventilation system is used for adjusting ventilation parameters of the experimental model according to the ventilation control instruction so as to adjust the cavitation flow capacity of the experimental model; according to the invention, an experimental platform and a research basis are provided for research on flow phenomena such as cavitation falling and collapse and related large-scale and strongly-uncertain hydrodynamic characteristics under the flow direction gravity condition.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG

A bridge substructure damage detection experimental model based on vehicle scanning method

The utility model provides a kind of bridge substructure damage detection experimental model based on vehicle scanning method.The experimental model includes pier support system model, beam body model, vehicle model and self-sensing monitoring system.The beam body model is horizontally erected on two or three pier support system models, forming single-span simply supported beam or double-span continuous beam system.The vehicle model simulates driving on the bridge deck of beam body model.The pier support system model includes base model, pier model and support model from bottom to top.It can carry out multi-parameter control vehicle-bridge coupling vibration experimental model and its testing method.The model can monitor the stress state of bridge substructure in real time by introducing self-sensing monitoring system and intelligent damage simulation system, and automatically adjust damage parameters according to experimental requirements, improve the accuracy and repeatability of experiment.
Owner:CHONGQING UNIV +2

Experimental tabulation system and method of sanger sequencer

The invention discloses an experiment table compiling system and method for a sanger sequencer, and the system comprises an experiment method: determining an experiment type, a dye set, a sequencing analysis model and experiment model information in an established experiment method, binding and summarizing the experiment model, the dye set and the sequencing analysis model, and forming an experiment method; sample file names and sample file storage position information are determined in the established sample files, and the sample file names and the sample file storage positions are bound and summarized to form one sample file; according to the kit, an analysis method is defined in the established kit, Panel and interior label information is analyzed, and the analysis method, the Panel and the interior label are bound and summarized to form the kit; and a runtime library: binding and summarizing the established experimental methods, sample files and kits to form the runtime library. According to the invention, the user only needs to select the runtime library for one time to complete the tabulation processing of the experiment, so that errors caused by selection are reduced.
Owner:ANHUI SUYUAN ANALYTICAL INSTR CO LTD

Modularized equivalent wind load experiment test system

The invention belongs to the technical field of wind load experiment testing, and particularly discloses a modularized equivalent wind load experiment testing system which is characterized by comprising a wind load simulation module, a data acquisition and processing module, a model fixing and supporting module, a control system module and a function extension module. The wind load simulation module is used for adjusting wind load strength and wind speed and realizing 0-360-degree wind direction adjustment; the data acquisition and processing module is used for monitoring physical quantities such as displacement and strain of the experimental model and wind speed, wind pressure and the like of a wind field, and processing to generate an experimental result and an analysis report; the model fixing and supporting module is used for fixing the experimental model and adjusting the levelness and perpendicularity of the experimental model; the control system module is used for setting experiment parameters, controlling experiment start and stop and process monitoring and realizing data transmission between modules; the function extension module is used for measuring wind pressure distribution on the surface of the model, displaying the flow state of a wind field and monitoring vibration response of the model; all the modules are connected and transmit data through standard interfaces.
Owner:ZHONGCHUAN NO 9 DESIGN & RES INST

Experimental method and system for multi-scene validity verification of large power language model

The invention discloses an experimental method and system for verifying multi-scene validity of a large power language model. The method comprises the following steps: constructing a layered experiment model for simulating a full-link business process according to a power business scene requirement; performing a contrast test on the experimental group and at least one control group, collecting data, calculating experimental data to obtain multiple indexes, calculating subjective and objective weights based on expert experience and data volatility, and fusing the subjective and objective weights based on an AHP-entropy weight method to obtain a plurality of indexes; therefore, a dynamic evaluation mechanism adaptive to different power scene priority changes is realized. And iterating the model through a dynamic evaluation result so as to carry out term recognition error analysis and knowledge graph incremental training, thereby realizing data-model closed-loop optimization. According to the method, verification scientificity and conclusion credibility are remarkably improved, subjective experience of experts and objective volatility of data are effectively fused, the stiffness defect of traditional static indexes is overcome, and direct driving of evaluation results on model iteration is achieved.
Owner:安徽明生恒卓科技有限公司

Test model device for testing load transfer effect of fill close to bridge foundation

The utility model provides a test model device for testing a load transfer effect of a fill close to a bridge foundation, which comprises a first support plate, a first through groove is arranged on the first support plate, the bridge foundation is arranged in the first through groove, and a bridge is arranged at the top end of the bridge foundation; a third supporting plate is arranged on one side of the first through groove and located at one end of the first supporting plate, a plurality of rib supporting plates are arranged on the third supporting plate, a pressure bearing plate is arranged above the rib supporting plates, a pressurizing assembly is arranged above the pressure bearing plate, slope ratio sliding plates are arranged on the two sides of the pressurizing assembly, and a slope ratio sliding plate is arranged on the slope ratio sliding plates. A connecting plate is arranged between the slope ratio sliding plates, and second through grooves are formed in the slope ratio sliding plates. By adopting the test model device for testing the load transfer effect of the fill close to the bridge foundation, the function of controlling the influence coefficient of the fill pressure behind the support structure under different factors on the close bridge foundation is realized, and the original slope ratio and the distance from the bridge foundation to the support structure can be adjusted.
Owner:XIAN UNIV OF TECH

Attitude control device for ultra-large floating platform laboratory model

The invention relates to the technical field of ocean engineering tests, in particular to an ultra-large floating platform laboratory model attitude control device. The device comprises a rotary telescopic mechanism, a fixing device and a base, the rotary telescopic mechanism comprises a turbine worm mechanism, a servo electric cylinder and a servo motor; the worm and gear mechanism and the servo motor are both installed on the base, and the output end of the servo motor is connected with a worm of the worm and gear mechanism. The servo electric cylinder is installed on the wheel face of a worm wheel of the worm and gear mechanism, and the output end of the servo electric cylinder downwards penetrates through the worm wheel of the worm and gear mechanism and the base in sequence and is connected with the fixing device. Accurate adjustment of the vertical position of the experimental model can be realized through the servo electric cylinder, flexible adjustment of the horizontal angle is realized through cooperation of the worm and gear mechanism and the servo motor, the working conditions of the floating structure for coping with waves coming in different directions and different vertical postures can be accurately reproduced, and the multi-scene experimental requirements are met.
Owner:DALIAN UNIV OF TECH