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2800 results about "Simulation test" patented technology

Definition: Performance Simulation Test. A performance simulation test is used by organizations as a way of evaluating candidates for a job position. The basic premise of performance simulation test is to observe the candidate perform the actual job in a controlled environment. There are two types of simulation tests known as work sample test and assessment centers.

Integrated checking and testing system and method for complex rules of transformer substation monitoring system

The invention discloses an integrated verification and test system and method for complex rules of a substation monitoring system, and the system comprises a rule editing module which provides a visual interface to support a user to edit the complex rules containing various types of variables and time sequence constraints; the analysis and verification module is used for performing grammar, variable conflict and business compliance multi-level verification on the rules; the intelligent test case generation module is used for automatically generating test cases covering normal, boundary and abnormal conditions based on the rule tree structure; the simulation test interface module converts the use case into a standard test script, submits the standard test script to a simulation tool for execution, and outputs the standard test script to a monitoring system through protocol conversion; the result analysis module is used for comparing an execution result with an expected result and generating a structured test report; according to the invention, full-process automation of rule verification and testing is realized, the verification efficiency is remarkably improved, and the test requirements of various transformer substation business scenes are met.
Owner:NARI NANJING CONTROL SYSTEM CO LTD

Transformer simulation test current optimization method based on dynamic impedance matching

The invention relates to the technical field of power system testing, in particular to a transformer simulation test current optimization method based on dynamic impedance matching, which comprises the following steps: performing low-power scanning on a tested transformer to establish a nonlinear model capable of predicting harmonic waves; actively synthesizing the virtual impedance of the target power grid; and a feed-forward compensation current is generated by using a harmonic prediction model and is injected into the transformer after being superposed with a fundamental wave instruction. According to the method, accurate identification modeling is carried out on nonlinear characteristics of a tested unit, active synthesis of virtual impedance of a target power grid is combined, and harmonic compensation current is generated in real time by utilizing a feedforward control thought so as to optimize finally injected test current. According to the method, the problems of inaccurate power grid simulation and insufficient nonlinear response coupling of the transformer in a traditional test are solved, high-fidelity current injection is realized, real electrical behaviors of the transformer under various complex power grid working conditions can be accurately simulated, and the flexibility, accuracy and safety of the test are remarkably improved.
Owner:HANGZHOU QUNTE ELECTRIC CO LTD

Personified automatic driving simulation test scene construction method

The invention provides an anthropomorphic automatic driving simulation test scene construction method. The method comprises the steps that all vehicles in a traffic scene are divided into two types of intelligent agents including a test vehicle and an environment vehicle, the traffic scene is modeled into a Markov decision process, the test vehicle is a vehicle controlled by an automatic driving algorithm, and the environment vehicle is a vehicle controlled by a GAIL-GRU driving strategy model; a Markov decision process is utilized to extract a driving track from the human driving data set, and an expert track data set is generated; and training a GAIL-GRU driving strategy model by using the expert track data set, realizing interaction between an environment vehicle and a test vehicle by using the trained GAIL-GRU driving strategy model, and constructing a simulation test scene. The automatic driving simulation test scene constructed by the invention can effectively expose decision defects of an automatic driving algorithm in a complex interaction situation, has good anthropomorphism and relatively high risk scene coverage, and provides support for a decision control simulation test of a high-level automatic driving vehicle.
Owner:BEIJING JIAOTONG UNIV

Digital circuit simulation design method and system

The invention relates to the technical field of circuit design, in particular to a digital circuit simulation design method and system. The method comprises the following steps: identifying a design demand document, performing deep semantic analysis and demand constraint mining, and constructing a demand specification constraint parameter set; performing demand complexity evaluation and multi-level division according to the demand specification constraint parameter set, and constructing a basic circuit architecture design blueprint; circuit routing path planning is carried out according to the basic circuit architecture design blueprint, and a standardized circuit topology network is constructed; performing electric signal propagation simulation on the standardized circuit topology network, and performing global circuit adaptability adjustment to obtain a circuit topology design scheme; and carrying out an extreme condition simulation test based on the circuit topology design scheme, and carrying out comprehensive performance evaluation to obtain a circuit performance evaluation report. By deeply understanding the user demand intention, the circuit layout matched with the user demand is designed, and the overall circuit performance is improved.
Owner:赣州职业技术学院

Dynamic tuning capacitance compensation matching method and system for transformer simulation test

The invention relates to the technical field of capacitance compensation matching, in particular to a dynamic tuning capacitance compensation matching method and system for a transformer simulation test. The method comprises the following steps: before a test is started, establishing a digital twin model based on parameters of a transformer to be tested, identifying a systematic measurement error source caused by inherent characteristics of a system through simulation, and generating error source correction parameters; in the test period, voltage and current original waveforms containing electrical disturbance in a test loop are obtained in real time through high-frequency synchronous sampling; a mixed disturbance separation model is used, the collected original waveform and the generated error source correction parameters are used as input, and random measurement disturbance components caused by load dynamic changes are calculated and separated in real time; and based on the separated disturbance component, driving a dynamic capacitance compensation module to generate a compensatory electric signal which is equal to the disturbance component in size and opposite to the disturbance component in phase, and injecting the compensatory electric signal into a test loop so as to realize active disturbance cancellation. According to the invention, the measurement precision of the transformer simulation test can be improved.
Owner:HANGZHOU QUNTE ELECTRIC CO LTD

Consumer feedback analysis method based on multi-agent model

The invention discloses a consumer feedback analysis method based on a multi-agent model, and the method comprises the steps: firstly sampling and generating consumer multi-dimensional feature data, and expanding the data into a semantic portrait through a large model; therefore, an intelligent agent containing a memory module is constructed, and part of the intelligent agent is set as an opinion leader. Commodity attributes, propaganda and competitive products are input into each agent, and initial evaluation is independently output; and then multiple rounds of viewpoint interaction are carried out in the same social evaluation area, the opinion leader has a higher sampled weight, and memory and comments are updated. And after simulation is finished, updating evaluation is generated again and compared with the initial evaluation, attitude changes are analyzed, all data are summarized, and a visual comprehensive report is output. According to the method, accurate simulation and feedback analysis of consumer behaviors are realized by combining a large language model and a multi-agent simulation test technology, and the defects of a traditional method in the aspects of consumer portrait dynamics, agent adaptability, interaction complexity, data dependence and the like are overcome.
Owner:ZHEJIANG UNIV

Real-time prediction method for three-dimensional stress field in deep tunnel excavation physical simulation test

The invention provides a deep tunnel excavation physical simulation test three-dimensional stress field real-time prediction method, and relates to the technical field of tunnel engineering. Comprising two stages of model construction and training and model use. In the model construction and training stage, a physical constraint reference model is constructed, and training optimization is completed; and in the model use stage, real-time prediction of a stress field of a deep engineering physical simulation test is realized through the trained and optimized model. The method has breakthrough advantages in the aspects of physical law constraint, real-time monitoring data fusion, training loss stability, boundary stress condition accuracy and the like, and is a high-reliability three-dimensional stress field prediction method oriented to a deep complex environment.
Owner:NORTHEASTERN UNIV CHINA

Simulation test system simulation degree evaluation method and device, equipment, storage medium and product

The invention provides a simulation test system simulation degree evaluation method and device, equipment, a storage medium and a product. The method comprises the steps of determining a test scene corresponding to a to-be-tested vehicle according to a design operation range of the to-be-tested vehicle; according to the test scene, determining a corresponding evaluation item, and respectively testing in the simulation test system and the actual environment to obtain simulation test data corresponding to the simulation test system and actual test data of the to-be-tested vehicle in the actual environment; based on the simulation test data, obtaining a simulation evaluation index corresponding to each evaluation item; based on the actual test data, obtaining an actual evaluation index corresponding to each evaluation item; and obtaining a simulation degree evaluation result of the simulation test system based on the simulation evaluation index and the actual evaluation index. According to the method, the simulation data and the actual data are compared according to the scene characteristics and the evaluation indexes related to the driving scene, and targeted evaluation results can be accurately obtained in different driving scenes.
Owner:CHINA INTELLIGENT & CONNECTED VEHICLES (BEIJING) RES INST CO LTD +1

Construction method of gift box packaging design three-dimensional model

The invention relates to the technical field of gift packaging three-dimensional modeling, and discloses a construction method of a gift box packaging design three-dimensional model. The method comprises the following steps: collecting natural language description, a freehand sketch image and a physical material attribute parameter; analyzing a natural language to construct a design intention map, and analyzing a sketch to generate a geometric feature code; performing knowledge alignment fusion on the two to form enhanced design semantic representation; generating an initial three-dimensional design framework by using a generative design algorithm; material parameters are integrated, compatibility simulation test is carried out, parameter self-adaptive adjustment circulation is started according to a feasibility evaluation report, and component parameters are dynamically optimized; and rendering and outputting a final model. Through deep fusion of multi-modal design information and preposed dynamic optimization of physical attributes, the accuracy of design intention expression and the producibility of a three-dimensional model are improved, and automation and intelligentization of a design process are realized.
Owner:SHANGHAI HUAYIMEI PACKAGING CO LTD

Carton size automatic generation method under multi-target constraint and packaging decision-making system

The invention discloses a carton size automatic generation method under multi-target constraint and a packaging decision-making system. The method comprises the steps of obtaining attribute information of a to-be-packaged commodity and a plurality of optimization targets; establishing a multi-objective optimization model; solving the model by adopting an evolutionary algorithm based on Pareto sorting to obtain a Pareto optimal solution set, performing multi-stage decision processing on the solution set, making a primary decision based on user preference, automatically identifying an abnormal product and starting an additional verification process, constructing a digital twin model and performing a virtual simulation test to intelligently decide a final scheme, and according to the weight of the user preference, determining the final scheme according to the weight of the user preference. The technical problems that traditional packaging design depends on artificial experience, efficiency is low, and a globally optimal solution is difficult to obtain among multiple conflict targets are solved, particularly, automatic and high-reliability verification of high-risk commodity packaging is achieved, automation and intelligentization of packaging design are achieved, and the method is suitable for large-scale popularization and application. And the decision-making quality can be improved by means of self-learning of historical data.
Owner:SICHUAN HONGRUI ELECTRIC CO LTD

Simulation test key factor screening-oriented method and system and computer program product

The invention provides a simulation test key factor screening-oriented method and system and a computer program product. The method comprises the following steps: generating a structured configuration file; constructing a supervised learning data set based on the structured configuration file; based on the supervised learning data set, training a machine learning classification model to obtain a current key factor set; and repeating the steps, judging whether the current key factor set is converged or not, and if the current key factor set is converged, stopping simulation and outputting the current key factor set of the last round as a final key factor. According to the technical scheme of the invention, a high-dimensional, nonlinear and high-coupling complex system can be automatically processed; key factors are objectively recognized through machine learning, a small-batch iteration verification mechanism is adopted, and the screening accuracy and efficiency are improved while the number of times of simulation is remarkably reduced.
Owner:启元实验室

Privacy index system based on privacy attribute inline relation

The invention discloses a privacy protection effect evaluation method and system, and the method comprises the steps: carrying out the hierarchical analysis of a privacy protection effect evaluation index system, defining the definition and calculation boundaries of four first-level dimensions, i.e., data features, compliance, availability and safety, and subordinate second-level indexes, carrying out the adaptation of a calculation algorithm for different types of indexes, and carrying out the weighted integration of the second-level indexes through employing an analytic hierarchy process, thereby achieving the evaluation of the privacy protection effect. Multi-dimensional quantitative evaluation is realized; an index association rule base and a matrix are constructed through static analysis and dynamic mining, and linkage analysis is achieved; determining an index fluctuation reference according to scene characteristics and historical data, converting user demands into a variation amplitude of a fluctuation reference unit, and realizing index dynamic linkage updating based on an incidence matrix; and finally, the optimization rule is verified through simulation testing and historical data backtracking, and a dynamically adaptive and self-iterative optimization relation rule system is formed, so that the limitation of traditional evaluation is broken through, a scientific basis is provided for privacy protection strategy optimization, and the privacy governance efficiency is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Hydroelectric main shaft all-condition simulation test system and method

The invention relates to a hydroelectric main shaft all-condition simulation test system and method, and the system comprises a fixed rack, one side of the fixed rack is provided with a tripping starting detection device, the fixed rack is provided with a hollow three-axis platform, a three-axis excitation system and a rotation driving part, the moving end of the three-axis platform is connected with a hollow floating rack, and a bearing is disposed in the floating rack. The rotation driving part comprises a power part and a main shaft connected to the torque output end of the power part, the main shaft is in transmission connection with the rotating disc, a hydroelectric large shaft used for a simulation test is installed on the rotating disc, and the three-shaft excitation system is used for applying X-direction, Y-direction and Z-direction high-frequency sine excitation loads to the hydroelectric large shaft of the rotating disc. The device is used for overcoming the defects that an existing testing device mainly focuses on vibration loading of a static mechanical device, simulation and performance testing cannot be carried out on dynamic behaviors under the composite working conditions of rotation, vibration and impact of a hydroelectric large shaft, and safety testing and rating cannot be carried out on a hydroelectric generating set sensor and a tripper overspeed protection device.
Owner:CHINA YANGTZE POWER

Three-dimensional live-action model construction system for building structure demolition and reconstruction

The invention relates to the technical field of data processing, in particular to a three-dimensional live-action model construction system for building structure demolition and reconstruction. The system extracts event combinations with obvious transfer correlation features for localization and analysis of dangerous sound sources. Through simulation of transmission of test waves in an initial acoustic slowness field, a most probable dangerous sound source position for generating a current event combination under each test wave is obtained by using an objective function optimization solution method. And further performing statistics on simulation information of all test waves, establishing a residual curve, screening out a brittleness event position based on feature extraction, and adjusting a slowness value in a current voxel through various parameters corresponding to the brittleness event position in an initial acoustic slowness field. Through the dynamic correction method, the obtained corrected acoustic slowness field can more effectively represent the specific change of the building structure in the dismantling process, so that the internal damage can be more clearly quantified.
Owner:MCC COMM CONSTR GRP CO LTD

Hoisting apparatus simulation and test verification method based on digital twinning

The invention relates to the technical field of hoisting apparatus simulation, and discloses a hoisting apparatus simulation and test verification method based on digital twinning. The method comprises the following steps: constructing a virtual twinborn body of the hoisting apparatus, wherein the virtual twinborn body comprises a geometric model, a kinematic model and a dynamic model corresponding to a physical hoisting apparatus; collecting real-time operation monitoring data of a physical hoisting instrument, and synchronizing the real-time operation monitoring data to the virtual twinborn body; in the virtual twin body, performing standardization processing on the received real-time operation monitoring data to generate a standardized data set; inputting each multi-source measurement data set into a pre-configured feature extraction engine, and outputting a corresponding feature group; performing feature integration operation on each feature group to generate integrated feature representation; and mapping the integrated feature representation to the virtual twin, and executing a simulation test in the virtual twin based on the integrated feature representation and a preset evaluation model library to generate an evaluation result set.
Owner:EUROCRANE (CHINA) CO LTD

Dynamic analogue simulation test method and system for plate type structure service deformation

The invention relates to the technical field of computer simulation testing, in particular to a dynamic analogue simulation testing method and system for plate type structure service deformation. The technical problem that the structural damage identification precision is insufficient when fixed signal decomposition parameters are used for processing all detection signals is solved. The method comprises the following steps: acquiring a mesoscopic parameter set and a bimodal ultrasonic guided wave original signal set of a to-be-detected plate type structure; based on the mesoscopic parameter set, determining optimization parameters for decomposing the bimodal ultrasonic guided wave original signal set; decomposing the bimodal ultrasonic guided wave original signal set based on the optimized parameters and a signal decomposition algorithm, and determining a target signal set related to structural damage; and performing simulation comparison on the mesoscopic parameter set and the target signal set, and determining the service damage state of the plate type structure. The method is used for plate type structure damage identification scenes.
Owner:TONGJI UNIV

Anti-seismic performance simulation test method and system for concrete-filled steel tube structure

The invention relates to the technical field of computer-aided anti-seismic analysis, and discloses an anti-seismic performance simulation test method and system for a concrete-filled steel tube structure, and the method comprises the steps: obtaining a parameter set of the concrete-filled steel tube structure; identifying a critical buckling mode and constructing a defect correction model; constructing a coupling damage index; constructing a numerical instability risk evaluation value based on the structure energy proportion; carrying out strong earthquake nonlinear time-history iterative solution; and outputting the anti-seismic performance index set and the coupling failure area. Compared with the prior art, the technical problem that Newton iteration divergence is prone to occurring in numerical solution under the coupling instability condition that traditional nonlinear finite element analysis is relied on for strong earthquake response calculation, especially when a steel pipe is subjected to local buckling and core concrete enters a high-pressure three-axis stress state is solved. Due to the fact that the local buckling and crushing damage coupling index and the self-adaptive time step length adjusting mechanism are constructed, the stability of the anti-seismic performance simulation result of the concrete-filled steel tube structure under the strong earthquake effect is improved.
Owner:QITAI COUNTY JIUHE WATER CONSERVANCY DEVELOPMENT INVESTMENT CO LTD

Verification test method and device of satellite laser link and computer equipment

The invention provides a verification test method and device for a satellite laser link and computer equipment. The method comprises the following steps: determining a zero point coordinate of a turntable according to a preset calibration rule; establishing a turntable reference coordinate system, a turntable zero point coordinate system and a laser terminal coordinate system; when the rotary table is in a zero-point coordinate state, the coordinate systems are jointly used, an angle deviation correction matrix of the laser terminal coordinate system and the rotary table zero-point coordinate system is determined, and space unified operation is achieved; the method comprises the following steps: after acquiring orbit and attitude data about a target satellite for a simulation test, generating a corresponding target control quantity according to the orbit and attitude data and an angle deviation correction matrix; and controlling the operation of a laser terminal and a rotary table in the satellite laser link test system by using the control quantity so as to simulate laser link capturing, tracking and establishing of the target satellite. Therefore, laser link capturing, tracking and establishing of the target satellite can be accurately simulated by establishing a unified space reference.
Owner:CHONGQING SATELLITE NETWORK SYSTEM CO LTD

Simulation test system for test switch of spare power automatic switching device

The invention discloses a spare power automatic switching device test switch simulation test system, and belongs to the technical field of power grid simulation test. Probability distribution generated through kernel density estimation covers a fault scene of a 99% confidence interval, and the characterization capability of an extreme scene is enhanced; the time delay precision of a switch action sequence is controlled timely and reliably by combining the global search capability of quantum annealing and the local fine tuning of the particle swarm algorithm, and equipment damage caused by time sequence dislocation is avoided by combining the UWB technology and the phase compensation algorithm; through an objective function weight coefficient and a closed-loop feedback mechanism, an optimization objective can be dynamically adjusted according to a fault type, through real-time comparison of a physical device and digital twinning and through logic criterion goodness of fit analysis, control logic consistency can be guaranteed, and through loop response time difference analysis and two-dimensional index quantification, verification precision can be guaranteed. And the strict requirements of the power system on correct logic and quick action of the spare power automatic switching device are met.
Owner:XUYI POWER SUPPLY OF JIANGSU ELECTRIC POWER

Networking type converter performance detection device suitable for new energy and energy storage

The invention discloses a performance detection device for a network construction type converter suitable for new energy and energy storage, and relates to the field of power conversion equipment testing. The automatic test unit comprises a frequency adjustment test module, a phase jump test module, a short circuit ratio adjustment test module, a broadband harmonic injection test module, an island simulation test module, a source load switching test module and a damping test module. Compared with an existing test platform, the precision in the aspects of frequency, phase, short-circuit ratio adjustment and the like is improved, and the precision of a test result is ensured; testing of various complex working conditions such as isolated island operation, source load switching and broadband harmonic injection is supported, and all key working conditions possibly encountered by the power conversion system in practical application can be simulated; the system has an automatic testing function, various tests are automatically carried out through preset working conditions, a detailed analysis report is generated, and manual intervention is reduced.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER CO LTD +1

Urban low-altitude landing risk assessment method based on three-dimensional space grid

The invention discloses an urban low-altitude landing risk assessment method based on three-dimensional space grids, and belongs to the technical field of low-altitude flight risk assessment. The objective of the invention is to solve the problem of accurate assessment of the low-altitude falling risk in a complex city scene. The method comprises the steps of performing three-dimensional rasterization processing on a low-altitude airspace of an evaluation airspace to obtain voxels of the evaluation airspace, and obtaining a voxel set of the evaluation airspace; building shelter formed by population density grids or mobile signaling inversion population, sensitive facility vectors, tree canopy shielding and three-dimensional building models is quantified, values are assigned to voxels of an evaluation airspace, and a voxelization environment parameter database covering the whole domain is obtained; constructing an aircraft failure rate model; carrying out an aircraft falling trajectory uncertainty simulation test to obtain landing coverage probability density distribution and tail end speed of the aircraft; and carrying out voxel risk synthesis by considering the probability of collision with people, and carrying out risk grading on the obtained voxel risk, thereby completing urban low-altitude landing risk assessment based on the three-dimensional space grid.
Owner:SHENZHEN URBAN TRANSPORT PLANNING CENT CO LTD

Simulation IC synchronization test optimization method and system based on crosstalk simulation

The invention discloses an analog IC synchronization test optimization method and system based on crosstalk simulation. The method comprises the following steps: firstly, acquiring position layout data and test signal data of each analog IC in a synchronous test process of the analog ICs, determining electromagnetic crosstalk information by combining test signals, and constructing a crosstalk schematic diagram according to the electromagnetic crosstalk information and the position layout data; clustering the schematic diagrams by using a spectral clustering algorithm, and identifying a crosstalk path in the synchronization test; designing an electromagnetic crosstalk signal isolation barrier based on the schematic diagram and the crosstalk path, deploying the electromagnetic crosstalk signal isolation barrier in a test environment, performing simulation evaluation on an independently tested analog IC by constructing and injecting a crosstalk simulation signal, and judging an isolation effect; and optimizing the isolation barrier according to an evaluation result to obtain an optimization scheme. According to the method, the electromagnetic crosstalk path in the synchronous test process can be effectively identified and isolated, and the accuracy and reliability of the simulation IC test are improved.
Owner:SHENZHEN HUASHI SEMICON EQUIP CO LTD

Whole vehicle power hardware-in-loop simulation test system and method under P2.5 +P4 hybrid architecture

PendingCN121143301AElectric testing/monitoringControl systemPower Architecture
The invention discloses a whole vehicle power hardware-in-the-loop simulation test system and method under a P2.5 + P4 hybrid architecture. The whole vehicle power hardware-in-the-loop simulation test system comprises a controller, a test cabinet and an upper computer system, the hybrid power gearbox control system is electrically connected with the high-voltage control system; the test cabinet is electrically connected with the hybrid power gearbox control system, the high-voltage control system and the upper computer system; the upper computer system comprises a management module, a signal interface module, a controller interface module and a virtual simulation vehicle module, the management module is connected with the test cabinet and the signal interface module, and the signal interface module is used for realizing signal interaction between the controller interface module and the management module; the controller interface module is connected with the signal interface module, the Soft ECU module and the power simulation module. Standardized development of the power simulation test system is realized, the modular design supports rapid adaptation of different vehicle type platforms and power architectures, and repeated development is reduced.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Automatic simulation test system and method of semiconductor EAP system

PendingCN121387756AError detection/correctionRegression testingSoftware emulation
The invention provides an automatic simulation test system and method for a semiconductor EAP system, and belongs to the field of semiconductor manufacturing, and the method specifically comprises the steps: defining a test scene through test case coding; constructing a test environment by using the equipment simulation module and the external system simulation module; driving a test process of the tested EAP program through an automatic execution engine and generating real-time output data corresponding to the tested EAP program; and comparing the real-time output data generated by the automatic execution engine with an expected result, and generating a test report. According to the processing scheme, behaviors of equipment and an external system are truly simulated in a software simulation mode, an actual production scene is accurately restored in a test link, dependence on a physical environment is reduced, and test coverage is improved; and moreover, the test scene is solidified through codes and configuration files, so that the versioning management and one-key automatic regression test of the test cases are realized, the test efficiency is remarkably improved, and the quality of secondary development is guaranteed.
Owner:PENGXI SEMICONDUCTOR TECHNOLOGY (BEIJING) CO LTD

Simulation test method and system for water conservancy and hydropower equipment

The invention discloses a water conservancy and hydropower equipment simulation test method which is characterized by comprising the following steps: S1, twin construction and data acquisition, S2, twin dynamic evolution, S3, model construction and state prediction, S4, multi-field coupling simulation test, and S5, result analysis and strategy feedback. A water conservancy and hydropower equipment simulation test system is characterized by comprising a digital twinborn body module, an artificial intelligence auxiliary simulation module, a multi-physics field coupling modeling module and a result analysis and feedback module. According to the method, through high-precision modeling and multi-source data fusion, in combination with adaptive filtering and a deep reinforcement learning algorithm, the error between a digital twinborn body and physical equipment is smaller than 2%, the dynamic evolution period is shortened to 3 minutes, the running state of the equipment can be reproduced in real time, a precise data base is provided for fault early warning, the on-site inspection frequency is reduced, and the labor cost is reduced by 30% or above.
Owner:GUANGDONG AIRPORT MANAGEMENT GRP CO LTD ENG CONSTR HEADQUARTERS

Simulation test device and method for multi-field coupling effect of side slope in cold region

According to the cold region slope multi-field coupling effect simulation test device and method, the device is composed of a freeze-thaw environment test box, a slope model, an anchor rod axial loading system, a crack water injection assembly and a multivariate data monitoring system, and the multi-physical field coupling effect of freeze-thaw cycle, crack water permeation and long-term creep can be simulated. By dynamically adjusting the temperature gradient and graded loading parameters, data of a stress field, a temperature field and a displacement field can be collected in real time, the influence of different freeze-thaw conditions and creep drawing loads on a slope damage mechanism can be analyzed, a key test means is provided for revealing the strain rate effect, the aging deformation characteristics and the instability criterion of the slope in the cold region, and the test efficiency is improved. The method has an important guiding value for stability evaluation and disaster prevention and control of the cold region slope engineering.
Owner:LANZHOU ENG & RES INST OF NONFERROUS METALLURGY CO LTD

Vehicle-road cooperation virtual-real fusion simulation test method, device, equipment and medium

The invention discloses a vehicle-road cooperation virtual-real fusion simulation test method, device, equipment and medium, and the method comprises the steps: setting a test event in a virtual simulation environment, generating virtual sensor detection data, sending the data to a cloud control platform, carrying out the fusion processing, generating a standard vehicle-road cooperation message, and issuing the message to a real road side unit, and the real road side unit forwards the message to the real vehicle-mounted unit, the real vehicle-mounted unit analyzes the message, generates a vehicle control instruction and returns the vehicle control instruction to the virtual simulation environment, and the state of the virtual vehicle model is updated according to the vehicle control instruction in the virtual simulation environment and response verification is completed. According to the method, a virtual-real combined vehicle-road cooperation test link is constructed under a unified framework, and a complete closed loop from virtual sensor sensing, cloud fusion processing, roadside forwarding, vehicle-mounted analysis to virtual vehicle response is realized, so that the test coverage rate and controllability of a vehicle-road cooperation function in a complex traffic scene are effectively improved; and the test efficiency and the verification precision are improved.
Owner:FXB CO LTD

Fatigue testing device and method for bending-torsion coupling transmission shaft

The invention relates to a bending-torsion coupling transmission shaft fatigue test device and method, and relates to the technical field of test equipment. Comprising a test bench, a bending loading device arranged at one end of the test bench, a torque loading device arranged at the other end of the test bench, and a test piece bearing device arranged between the bending loading device and the torque loading device, the test piece bearing device comprises a guide rail which is arranged on the test bed and extends from the bending loading device to the torque loading device, a positioning seat which is in sliding connection with the guide rail, and a bearing plate which is arranged on the positioning seat and can be lifted, so that a simulation test of a coupling effect can be carried out on bending and torsion of a transmission shaft, and the test piece bearing device can also be used for bearing the transmission shaft. And the bending test can be carried out under the condition that the transmission shaft is supported at a specific position.
Owner:HEFEI UNIV OF TECH

Simulation test method and system for unmanned aerial vehicle control algorithm

The invention discloses a simulation test method and system for an unmanned aerial vehicle control algorithm, relates to the field of intelligent system simulation test, and can solve the defects of an unmanned aerial vehicle simulation system in high real scene rendering and physical engine precision at the present stage. The method solves the problems that the real characteristics of a visual sensor and a flight platform cannot be accurately simulated, the performance of an algorithm in a complex real scene is difficult to effectively evaluate, and the adaptability of the algorithm to a hardware environment is difficult to verify, and comprises the following steps: constructing a high-trueness virtual environment according to scene requirements and rigid body dynamics simulation requirements of an unmanned aerial vehicle simulation test; constructing a simulation model according to the physical motion characteristics of the unmanned aerial vehicle hardware and the performance of the sensing equipment; importing the simulation model into a high-reality virtual environment, and performing parameter setting on the simulation model; and testing and verifying a control algorithm of the unmanned aerial vehicle based on the high-trueness virtual environment and the simulation model completed by parameter setting. The method is used for performing simulation test and verification on the control algorithm of the unmanned aerial vehicle.
Owner:CHANGSHA MYSTICAL BOW INFORMATION SCI & TECH CO LTD

Simulation test method and device for semiconductor device

The invention relates to the technical field of integrated circuits, in particular to a simulation test method and device for a semiconductor device. The method comprises the following steps: acquiring simulation parameter information of a first target device, wherein the simulation parameter information of the first target device comprises a first nuclear blocking correction parameter value; performing a simulation test based on the simulation parameter information of the first target device, and obtaining simulation transverse ion doping concentration distribution and a simulation threshold voltage value of the preset region; updating simulation parameter information of the first target device; performing a simulation test based on the updated simulation parameter information of the first target device, and obtaining another simulation transverse ion doping concentration distribution and another simulation threshold voltage value of the preset area; and taking the simulation threshold voltage value with the highest matching degree with the actual threshold voltage value of the first target device in all the simulation threshold voltage values as a target threshold voltage value, and determining the simulation transverse ion doping concentration distribution corresponding to the target threshold voltage value as target transverse ion doping concentration distribution.
Owner:NEXCHIP SEMICON CO LTD