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31results about How to "High simulation fidelity" patented technology

Downscaling bridge wind temperature coupling numerical simulation method considering real terrain

The invention provides a downscaling bridge wind temperature coupling numerical simulation method considering a real terrain, and belongs to the technical field of bridge structure design. Comprising the steps of determining a calculation area of a mesoscale model according to a bridge geographic position, and adopting multi-layer grid nesting to improve calculation precision; obtaining terrain static data and initial meteorological field data, and configuring a physical scheme; establishing a geometric model of the small-scale model through three-dimensional modeling software; according to a small-scale model, calculating a domain inlet surface form, and performing fitting block division and extraction point planning; extracting inlet wind speed and temperature data by adopting a Cressman interpolation method through the mesoscale model, and fitting by adopting a least square method to obtain a small-scale model inlet surface wind speed and temperature function; according to the material characteristics of the bridge structure, loading a geometric model and an inlet surface wind speed and temperature function, establishing a small-scale model by using a CFD method, and solving environmental wind, a temperature field and structural response; the simulation authenticity is improved, and the redundancy of simulation work is reduced.
Owner:SOUTHWEST JIAOTONG UNIV +1

Canine traction rope burst testing device

The invention discloses a dog traction rope burst test device, which comprises a mounting rack, a connecting part is arranged on the mounting rack, a connecting rope is arranged on the connecting part, the connecting part is connected with the upper end of a traction rope through the connecting rope, and a bearing rack is arranged on the mounting rack; the driving device is connected with the bearing frame and used for driving the bearing frame to move; the heavy block is connected with the lower end of the traction rope through the adjusting rope, when the bearing frame is located at the testing station, the bearing frame bears the heavy block, the traction rope is kept in a loosened state through the adjusting rope, when the bearing frame moves to the initial station, the heavy block is separated from the bearing frame, the traction rope is in a tightened state, and dog burst simulation is achieved through falling of the heavy block. And meanwhile, a driving device and a bearing frame are matched to realize simulation of multiple explosion rushing so as to complete testing of the fatigue strength of the traction rope.
Owner:WENZHOU INST OF TECH TESTING & CALIBRATION

A semi-physical testing system for the curvature control method of rotary steerable tools

The present invention discloses a semi-physical test system for a curvature control method of a rotary steering tool, comprising: a host computer, a real-time simulator and a real main control computing unit; a virtual inclination probe module and a tool guidance characteristic module are implanted in the real-time simulator, and a curvature control method module is implanted in the real main control computing unit. The present application obtains tool guidance parameters according to the well inclination azimuth curvature difference through the curvature control method module, obtains the current well inclination azimuth parameter according to the tool guidance parameter through the tool guidance characteristic module, and obtains the current virtual sensor signal according to the current well inclination azimuth parameter through the virtual inclination probe module, thereby avoiding the high cost and low efficiency problems of full physical testing and the low confidence problem of full digital testing, and improving the accuracy of the control method test without reducing the test integrity.
Owner:XI'AN PETROLEUM UNIVERSITY

Insulated gate bipolar transistor (IGBT) packaging material dielectric property and thermal resistance linkage testing device

PendingCN121877956Atemperature controlcontrol stateDielectric property measurementsMaterial heat developmentInsulation layerElectric impedance spectroscopy
The invention discloses an IGBT packaging material dielectric property and thermal resistance linkage testing device, which relates to the technical field of packaging material testing, is used for carrying out performance evaluation on an IGBT packaging material in intelligent power distribution switch control equipment, and comprises a testing box, the inner wall of the testing box is covered with a thermal insulation layer, the front surface of the testing box is provided with a testing cavity, and the testing cavity is provided with a thermal resistance test cavity. And a lower heat conduction base is arranged at the bottom of the test cavity. The temperature field and heat flow state of a packaging material sample can be actively and accurately controlled, the working temperature rise and heat dissipation conditions of a real IGBT module are simulated, meanwhile, the lower electrode plate and the upper electrode plate directly make contact with the sample and are connected to the broadband dielectric impedance spectrometer, and therefore the temperature rise and heat dissipation conditions of the IGBT module can be simulated while controllable thermal excitation is applied. Dielectric spectrum characteristics of a material can be measured in situ in real time, the temperature sensor directly monitors the temperature of a sample interface, and then thermal resistance testing and broadband dielectric property testing can be dynamically evaluated in the same sample, the same time and the same controlled thermal environment.
Owner:CHANGZHOU QISHENG NEW MATERIAL TECHNOLOGY CO LTD

Photovoltaic cable water and fire resistance testing machine

The invention belongs to the technical field of detection equipment, particularly relates to a photovoltaic cable water and fire resistance testing machine, and aims to comprehensively evaluate the performance of a photovoltaic cable under extreme conditions. The testing machine integrates an external force detection device, a fire resistance detection device and a water resistance detection device, and the fire resistance, the water resistance and the external force resistance of the cable are tested by simulating fire and water immersion environments. The test cabinet is provided with a transparent observation cover, thereby facilitating the real-time monitoring of the test process, guaranteeing the accuracy and reliability of the test, and improving the safety and stability of the photovoltaic system.
Owner:ZHEJIANG LIZHOU CABLE

Touch column wax

The utility model discloses touch column wax which comprises a shell, a lamp holder, a touch sensing element, a circuit board and a base, the shell is of a barrel structure with an opening in the bottom and is made of pure wax materials, the lamp holder is arranged at the top of the shell, and the touch sensing element is of an annular structure and is coaxially bonded on the inner wall of the top of the shell. The touch sensing element is arranged in the shell, an inner ring of the touch sensing element extends downwards to form two contacts, the circuit board is arranged below the touch sensing element and electrically connected with the lamp holder, two interfaces are formed in the circuit board, the two contacts are welded to the two interfaces respectively, the base is arranged at a bottom opening of the shell, and the lamp holder is electrically connected with the base. And a battery electrically connected with the circuit board is mounted on the base. According to the utility model, the ornamental value of a user is improved, meanwhile, the touch sensing element is directly bonded on the inner wall of the top of the shell, and the shell is made of a pure wax material, so that the influence on the sensing sensitivity of the touch sensing element is reduced.
Owner:NINGBO TOP WINS IMP & EXP CO LTD

A multi-agent based strategy deduction method and device

The application discloses a kind of strategy deduction method and device based on multi-agent, the application is by constructing character special vector database, integrate relevant background information, and by searching history behavior and injecting generation dynamic prompt word, guide large language model (LLM) Generation response in line with the background and past behavior pattern of specific interest party, to significantly improve the simulation reality of role behavior, so that each role agent based on its values and core position, by analyzing and linking the context of multiple rounds of interaction, autonomously make decisions and respond, to build the simulation of real interest party each party agent, then realize the accurate deduction of construction strategy, that is, the application can effectively guarantee the accuracy of artificial intelligence innovation ecological construction strategy deduction by high-fidelity role position simulation and dynamic evolution game deduction.
Owner:MILITARY INTELLIGENCE RES INST OF THE CHINESE PEOPLES LIBERATION ARMY ACAD OF MILITARY SCI

Multifunctional mouse simulation exercise device and use method

The invention belongs to the technical field of mouse simulation, and discloses a multifunctional mouse simulation exercise device and a using method thereof, and the multifunctional mouse simulation exercise device is characterized in that a trunk structure is arranged at the top end of a tail structure; a lung structure is arranged in the front 1 / 3 of the trunk structure, and a stomach structure is arranged in the center; the top of the trunk structure is provided with a head structure. The multifunctional mouse simulation practice device can provide a training scene close to practical operation practice for a user at relatively low cost, and has the characteristics of relatively low and controllable cost, relatively low environment dependence, high resource reuse rate, relatively good training platform consistency and the like compared with a real mouse experiment; the method can effectively supplement intermediate training links between theoretical learning and in-vivo experiments, thereby cultivating operation standard consciousness of related personnel, improving practical operation proficiency, further reducing dosage expectation of experimental animals, saving experimental resources, and improving the welfare level of the experimental animals.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Virtual reality experience equipment for digital electric power training

The invention discloses a virtual reality experience device for digital electric power training, and relates to the technical field of electric power training, an assembly plate is slidably mounted at the top of a guide sliding rail, guide sliding blocks are welded to the two sides of the bottom of the assembly plate, the guide sliding blocks are slidably embedded into the guide sliding rail, and a swing rotating shaft is rotatably mounted in the middle of the top of the assembly plate; one end of each swing rotating shaft is connected to the top of one side of the corresponding swing frame, the other end of each swing rotating shaft is connected with a first swing gear, and cables are evenly connected between the opposite faces of the two swing frames. The first swing electric push rods are controlled to drive the swing frames and the cables to swing, so that the swing state of the cables in the high altitude is simulated, and the training effect is more real; the bending degree of the cable can be controlled by controlling the distance between the assembly plates on the two sides, so that the condition of the cable in the air is simulated, the authenticity of virtual simulation is further improved, and the training effect is further improved.
Owner:HAINAN ELECTRIC POWER SCHOOL (HAINAN ELECTRIC POWER TECH SCHOOL)

Solar landscape lamp

ActiveCN224718592UImprove the decorative effectHigh simulation fidelity
The utility model discloses a solar energy landscape lamp relates to lamp technical field, including the connecting plate, the first display area and the second display area are equipped with the connecting plate side, the first display area and the second display area staggered setting are on the connecting plate side wall, and the staggered bright of LED lamp group simulates the dynamic landscape of butterfly wing fanning, increases the interestingness and the liveliness of landscape, can also attract people's attention, promotes the aesthetic degree of environment.
Owner:HUBEI FENGTAI ELECTRONICS & TECH CO LTD

Small recreation facility swivel chair linear velocity test method based on industrial robot

The invention discloses a small recreation facility swivel chair linear velocity test method based on an industrial robot, and the method comprises the following steps: S1, adjusting the position of a swivel chair through a calibration device, and obtaining the diameter parameter of the swivel chair, S2, connecting a traction device with the swivel chair, enabling the swivel chair to obtain traction force, and enabling the direction of the traction force to be inclined with the axis of the swivel chair, and S3, connecting the robot with the swivel chair, s4, adjusting the output torque, the traction force and the direction of the motor, sensing the rotation angular velocity of the driving arm by a sensor so as to calculate the linear velocities of different positions of the swivel chair, and providing the traction force in the inclined direction by a traction device so as to simulate the stress condition of the swivel chair when a load exists in the rotation process. The rotation angle speed of the driving arm is detected through the sensor, and detection of different linear speed positions is completed by matching with the diameter parameter of the swivel chair, so that the sensor is more convenient to install and use.
Owner:QUALITY INSPECTING CENT OF PUMP & VALVE PROD OF ZHEJIANG PROVINCE

A high-fidelity welding simulation boundary condition correction method and system

PendingCN122655451AVigorously promote engineering applicationsEliminate systematic initial errors
The application belongs to the technical field of welding simulation, and relates to a high-fidelity welding simulation boundary condition correction method and system. The method comprises the following steps: after the clamping of a welding part is completed and before welding is performed, three-dimensional geometric measured data of the welding part in a clamping constraint state is collected; the measured three-dimensional geometric data is spatially registered with a simulation theoretical model, clamping deformation caused by clamping is extracted, and the clamping deformation is reconstructed into a simulation grid node displacement constraint field; based on the node displacement constraint field, the boundary condition parameters of the welding simulation model are adaptively corrected; welding thermal elastic-plastic finite element calculation is performed by using the corrected simulation model, and a welding simulation result considering clamping deformation is output; the application eliminates systematic errors introduced due to the neglect of clamping deformation in traditional simulation, and significantly improves the accuracy of welding deformation prediction.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Dual-mode interconnection driving simulation device of liquid-gas combined tensioner

PendingCN122591222AImprove throughput efficiencySolve the problem of slow hydraulic response
The application provides a double-mode interconnected driving simulation device of a liquid-gas combined tensioner, relates to the field of ocean engineering equipment testing, and comprises a translation mechanism, a rotation adjusting mechanism, a vertical movement and inclination simulation mechanism, a riser, a support and a combined tensioner mechanism. The application adopts a positive configuration of active control simulation at the bottom and passive response verification at the top. The device is sequentially composed of a bottom drilling platform translation mechanism, a rotation adjusting mechanism, a middle drilling platform vertical movement and inclination simulation mechanism, a top ring direct-acting liquid-gas combined tensioner at the top of a riser assembly and the like from bottom to top, so that the translation mechanism can simulate the horizontal drift movement of the ocean platform, the rotation adjusting mechanism can reproduce the yaw movement posture of the platform, the vertical movement and inclination simulation mechanism can simulate the inclination posture of the offshore platform under different sea conditions, and the combined tensioner mechanism can simulate the mechanical characteristics of the real wellhead connection of the tensioner.
Owner:YANSHAN UNIV

Low-complexity broadband satellite communication multipath fading channel simulation system

PendingCN122026992AImprove statistical independenceHigh simulation fidelityRadio transmissionTransmission monitoringChannel parameterWideband
The invention relates to a low-complexity broadband satellite communication multipath fading channel simulation system, which comprises an upper computer parameter configuration module and an FPGA (Field Programmable Gate Array) processing module, and is characterized in that the upper computer parameter configuration module is used for generating and issuing multipath fading channel parameter information according to a preset path channel scene; the FPGA processing module is used for receiving the multipath fading channel parameter information and executing multipath fading channel simulation; the FPGA processing module comprises a parameter processing module, a channel coefficient generation module, a multipath time delay module and a multipath superposition module. According to the system, FPGA resource consumption is greatly reduced, and inter-path statistical independence and simulation fidelity are improved.
Owner:XIDIAN UNIV

A method and system for determining the spacing between fracturing stages in a coal reservoir

The invention discloses a method and a system for determining the spacing of coal reservoir fracturing sections, and relates to the technical field of fracturing. The method comprises the following steps: placing a cubic reservoir sample in a vacuum tank, filling the vacuum tank with methane gas until methane is fully adsorbed, then injecting water into the vacuum tank to replace the methane gas, pressurizing the water in the vacuum tank to a pump stop pressure during fracturing, and finally releasing the pressure in the vacuum tank and desorbing until the desorbed gas no longer increases, thereby obtaining the desorption equilibrium time of the current reservoir sample; repeating the above steps to obtain the desorption equilibrium time of cubic reservoir samples with different side lengths, and obtaining a relationship between the desorption equilibrium time and the sample side length; in the invention, the relationship between the desorption equilibrium time and the sample side length is obtained, and the fracturing section spacing corresponding to the planned development period is back-calculated by using the relationship, thereby effectively improving the optimization effect of the fracturing section spacing.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Shield tunnel joint toughness test reciprocating loading method and system

ActiveCN122192746BHigh simulation fidelityHigh precision
The application provides a kind of shield tunnel joint toughness test reciprocating loading method and system, it is related to tunnel engineering test field, comprising: based on initial axial force to test piece is carried out reciprocating loading, obtains displacement, load, acoustic emission impact number and strain data in loading process, calculates stiffness degradation index, residual deformation index, acoustic emission damage index, strain concentration index and comprehensive damage index;According to the stiffness degradation index, residual deformation index, acoustic emission damage index, strain concentration index and comprehensive damage index, judge damage stage, according to damage stage calculates displacement amplitude and loading rate of next loading.The application introduces variable axial force coupling mode and variable rate step control, solves the problem that traditional constant parameter loading is difficult to match joint nonlinear damage evolution and seismic P-Delta effect, significantly improves the simulation reality and damage capture accuracy of test, provides reliable data support for shield tunnel joint toughness evaluation.
Owner:SOUTHWEST JIAOTONG UNIV

Electronic handwriting processing method, display device, storage medium and program product

The embodiment of the invention belongs to the electronic handwriting processing technology, and provides an electronic handwriting processing method, a display device, a storage medium and a program product, and the display device comprises a touch device which is used for collecting coordinates and time of a touch point and sending the coordinates and time to a processor; the display screen is used for performing track display on the touch points processed by the processor; the processor is respectively connected with the touch equipment and the display screen, and the processor is configured to be used for determining coordinates of a touch circle based on the coordinates and the time of the touch points after continuously receiving the coordinates and the time of more than two touch points sent by the touch equipment; determining a touch track according to the coordinates of the touch circle; and sending data after the discretization and dotted line processing of the touch circle and the touch track to a display screen, so that the display screen displays a chalk handwriting effect. According to the method, chalk processing can be directly performed on the line data forming the handwriting, so that the pixel influence in the filling mode is avoided.
Owner:HISENSE COMML DISPLAY CO LTD

A soft-pack lithium battery safety performance testing device

ActiveCN111458647BExtrusion force surface is wideHigh simulation fidelityElectrical testingElectrical batteryElectric machinery
The present invention relates to the field of safety testing technology for battery production, and in particular to a safety performance testing device for soft-pack lithium batteries, comprising a bottom support cabinet, a top rail fixedly mounted on the upper end of the bottom support cabinet, an electric conveyor belt mounted inside the top rail, a main drive motor, an electric telescopic push rod, and an electric-controlled hydraulic push rod fixedly mounted on both sides of the top rail. A safety performance testing device for soft-pack lithium batteries of the present invention has an arc-shaped adjustment groove with a built-in electric-controlled annular adjustment bracket inside the top rail, and an annular lateral adjustment groove with a built-in electric telescopic push rod on the outer arc surface of the annular adjustment bracket. The electric telescopic push rod cooperates with the electric-controlled annular adjustment bracket to clamp and fix the lithium battery and adjust the angle, and then cooperates with the electric-controlled hydraulic push rod to squeeze both sides of the battery, so that the outer extrusion force surface of the lithium battery is more extensive, which greatly improves the scope of application and has higher simulation authenticity.
Owner:江苏远东电池有限公司

Method for evaluating four-chamber pressure simulation of capillary design kettle body, platform and shaft

The application provides a four-cavity pressure simulation evaluation method with a capillary design kettle body, a platform and a wellbore. The kettle body is internally and externally provided with a tool pipe column, a packer rubber tube and a test casing, a capillary injection port is arranged on the upper end of the kettle body, and the capillary passes through the space between the test casing and the kettle body and is connected with the lower end of the test casing. The platform comprises the kettle body. The method is realized based on the kettle body. When the high-temperature and high-pressure downhole tool detection and evaluation is carried out, the strength of the test casing tooling is not additionally increased due to the limited structure, and the overall cost of the test is saved. After the four cavities are independently realized, the leakage of each cavity can be judged in the test process, and the test working condition of the downhole tool sample can be more accurately judged. The system pump injection pressurization efficiency is improved, and the detection precision and speed are improved. The internal cooling is realized at the same time as the pressure maintenance in the casing and outside the casing, and the interference on the test working condition during the cooling period is reduced.
Owner:CHINA NAT PETROLEUM CORP +1

Solar heat insulation film experience device

ActiveCN222600494UImprove experience authenticityHigh simulation fidelityAdvertisingDisplay meansEngineeringMaterials science
The utility model relates to the technical field of solar heat insulation film tests, and discloses a solar heat insulation film experience device which comprises a support placed on the ground, a transparent plate used for pasting a solar heat insulation film is fixedly arranged on the upper portion of the support, and an experience space used for people to experience the heat insulation effect of the solar heat insulation film is formed below the transparent plate. The transparent plate is used for being placed under sunlight so that the sunlight can penetrate through the solar heat insulation film to the experience space, and a solar heat insulation film heat insulation test module is arranged on the lower side of the transparent plate and comprises a solar energy test unit used for testing solar energy intensity. The solar heat insulation film experiencing device is directly irradiated under sunlight, heat insulation effects of different solar heat insulation films can be truly simulated through a plurality of different test units, and the experiencing trueness is high; the heat insulation effect in a closed space and a ventilation space can be simulated, and the user experience is good.
Owner:NINGBO JINGDIAN AUTOMOBILE SERVICE CO LTD

Network range creation method and device, electronic equipment, storage medium and program

PendingCN119561850AHigh simulation fidelityimprove securityTransmissionNetwork topologyComputer engineering
The embodiment of the invention discloses a network target range creating method and device, electronic equipment, a storage medium and a program, and the method comprises the steps: obtaining network topology equipment association information of a target actual network topology; constructing a typical network topology structure of the target actual network topology according to the network topology equipment association information; configuring a simulation target for virtual network equipment in the typical network topology structure according to the network topology equipment association information; and creating a typical network target range corresponding to the target actual network topology according to the simulation target and the typical network topology structure. According to the technical scheme provided by the embodiment of the invention, the simulation fidelity of the network target range can be improved, so that the safety and reliability of the existing network equipment maintained based on the network target range are improved.
Owner:JIANGSU BOZHI SOFTWARE TECH CO LTD

LDHs-biological membrane solid-liquid interface culture method, LDHs-biological membrane complex and application

PendingCN121948706Arapid colonizationpromote rapid accumulationBacteriaWater contaminantsBiofilmMicroorganism
The invention belongs to the crossing field of environmental functional materials and microbial technologies, and particularly relates to an LDHs-biological membrane solid-liquid interface culture method which comprises the following steps: S1, preparing an LDHs material; s2, constructing a standardized LDHs mineral membrane; s3, carrying out sterile treatment on the LDHs mineral membrane; and S4, carrying out solid-liquid interface culture on the LDHs-biological membrane. According to the method, the forming ability, metabolic activity, structural stability and pollutant removal characteristics of the LDHs material surface biological membrane can be effectively evaluated, and accurate and reliable evaluation is provided for deep exploration of a material-biological membrane interaction mechanism and promotion of application of the material-biological membrane interaction mechanism in environmental restoration.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Wind power blade rain erosion testing device and method

The invention relates to the technical field of blade testing, and particularly discloses a wind power blade rain erosion testing device which comprises a wind power blade body and a supporting box, a limiting hole matched with the wind power blade body is formed in one side of the supporting box, and two supporting rods are arranged between the two opposite sides of the supporting box. A plurality of sliding blocks are installed between the two supporting rods in a sliding mode, a scissor arm is arranged between every two adjacent sliding blocks, nozzles are arranged on the horizontal sections, away from the scissor arms, of the sliding blocks, drainage pieces are arranged at connectors of the nozzles, and a driving assembly used for adjusting the distance between the sliding blocks is arranged in the supporting box. A drainage pipe is arranged between the two opposite sides of the supporting box, and a plurality of flow equalizing assemblies are arranged on the side wall of the drainage pipe. The device has a function of simulating the change of the scouring flow of the wind power blade by rainwater, improves the authenticity of rain erosion test data, has a water circulation function, and is more energy-saving and environment-friendly.
Owner:SHANGHAI ZHONGFRAME ROBOT CONTROL TECH DEV CO LTD

Multi-mode first-aid teaching device for cardio-pulmonary resuscitation

The invention discloses a multi-mode first-aid teaching device for cardio-pulmonary resuscitation, and relates to the technical field of medical training. The simulation human body comprises a simulation human body, one end of the simulation human body is provided with a controller, one end of the simulation human body is provided with a positioning assembly, and one side of the controller is fixedly connected with a voice broadcast device. According to the application, firstly, the positioning assembly is matched with the controller and the voice broadcast device for use, so that the relative position of the visual-impaired patient and the dummy body is conveniently determined, the visual-impaired patient is guided to move to the side of the dummy body, and then the impact block is matched with the arc-shaped follower plate and the pressure sensor for use, so that the visual-impaired patient can be accurately positioned. The pressing deflection angle of the visual-impaired patient can be conveniently determined, the visual-impaired patient is guided to adjust the pressing angle through cooperative use of the first Bluetooth signal transmitter, the controller and the voice broadcast device, the visual-impaired patient can be conveniently guided to complete cardio-pulmonary resuscitation correct-angle pressing teaching on the simulated human body, and the success rate of out-of-hospital first aid of the visual-impaired patient is effectively increased.
Owner:CHANGSHU HOSPITAL OF TRADITIONAL CHINESE MEDICINE (CHANGSHU NEW DISTRICT HOSPITAL)

A real-time detection method and device for train running gear bearing failure and a train

PendingCN122329684AHigh simulation fidelityData supply continues to be sufficientTransfer path analysisVibration acceleration
The application provides a train running gear bearing fault real-time detection method and device and a train, which can be applied to the field of rail transit technology. The method comprises the following steps: acquiring a characteristic value of a real-time vibration acceleration signal of a train end running gear bearing; dynamically matching the characteristic value of the simulation vibration acceleration signal with the characteristic value of the real-time vibration acceleration signal to obtain a nonlinear relationship between the characteristic value of the real-time vibration acceleration signal and a test fault defect size; processing an estimated fault defect size obtained by inversion of the nonlinear relationship based on a fault displacement excitation, a bearing radial clearance and attribute parameters, real-time working condition parameters and a real-time load spectrum of the running gear bearing to obtain a vibration acceleration initial simulation signal, performing real-time transfer path analysis on the vibration acceleration initial simulation signal to obtain a vibration acceleration simulation signal; and performing real-time processing on the vibration acceleration simulation signal received by the train end to obtain a fault real-time detection result of the running gear bearing.
Owner:CRRC QINGDAO SIFANG CO LTD

Small recreation facility swivel chair fatigue performance test method based on industrial robot

The invention discloses a small recreation facility swivel chair fatigue performance test method based on an industrial robot, and the method comprises the following steps: S1, placing a swivel chair on a base, enabling the lower end of the swivel chair to be fixed with the base, S2, enabling a robot to drive a driving arm above the swivel chair, enabling the axis of the driving arm to be aligned with the axis of the swivel chair, and further fixing the driving arm with the swivel chair, s3, connecting a compression device with the swivel chair, and providing compression force to the surface of the swivel chair through the compression device, and S4, adjusting the output power of the driving arm to adjust the rotating speed of the swivel chair, and adjusting the magnitude and direction of the compression force of the compression device to the swivel chair to test the fatigue life of the swivel chair under different rotating speeds and different compression forces of the swivel chair. The driving mode that the driving arm is driven by the robot can provide a large movement range for the driving arm, so that multi-direction and multi-position compression is realized in cooperation with the arrangement of the compression device, and the simulation authenticity is greatly improved.
Owner:QUALITY INSPECTING CENT OF PUMP & VALVE PROD OF ZHEJIANG PROVINCE

Social simulator cognitive intervention method and system

ActiveCN121998631BHigh simulation fidelityImprove the scientific nature of reasoningMathematical modelsInference methodsAlgorithmEngineering
The application relates to the technical field of network security, and discloses a social simulator cognitive intervention method and system, which comprises the following steps: generating a group topology based on user interaction data of a real social network; dynamically adjusting the configuration proportion of an intelligent agent node based on an initial evaluation signal and a Bayesian optimization method; inferring the edge probability of each intelligent agent node in the group topology based on a probabilistic graph model, screening candidate intervention nodes according to the edge probability, and deploying intervention-type intelligent agent nodes based on the adjusted configuration proportion to implement intervention on the candidate intervention nodes; evaluating the intervention result to generate an evaluation signal, and feeding back the evaluation signal to the dynamic adjustment step to replace the initial evaluation signal. The application can effectively organize intervention subjects with different roles based on large-scale data of a complex network environment, dynamically optimize the delivery proportion, and simulate and predict the nodes to be intervened based on probabilistic graph reasoning.
Owner:UNIV OF SCI & TECH OF CHINA

A sunlight flicker simulation device and control method

PendingCN122505535Aresolve the disconnectavoid drifting
The application discloses a sunlight flicker simulation device and a control method. The simulation device comprises a light source assembly, a modulation assembly and a control assembly. The light source assembly is used for emitting basic light simulating sunlight. The modulation assembly comprises a rack, a driving member and a rotating member. The driving member is fixed on the rack, and the rotating member is in transmission connection with the driving member. A through hole is formed in the radial surface of the rotating member. The rotating member rotates under the action of the driving member to adjust how much of the basic light passes through the through hole. The control assembly is electrically connected with the light source assembly and the driving member respectively. The application adopts a composite control mode of "mechanical modulation as the main part and light electronic modulation as the auxiliary part", realizes high-precision and high-realistic simulation of slow change and irregular flicker of sunlight, reduces the influence of electromagnetic interference, expands the frequency control range, simplifies the equipment modification process and improves the engineering practicability.
Owner:孝感华中精密仪器有限公司

A method for monitoring the quality of phosphorus diffusion passivation of BC battery in consideration of RCA cleaning state

PendingCN122270080Aimprove relevanceHigh simulation fidelityRCA cleanElectrical battery
The present application relates to the technical field of solar cells, and particularly relates to a monitoring method for the passivation quality of a BC cell phosphorus diffusion considering RCA cleaning state; comprising the following steps: double-side alkali polishing is performed on a first type silicon substrate; after double-side deposition of amorphous silicon layer, second type element doping is performed, and acid washing is performed to remove glass body; then RCA cleaning is performed; after double-side deposition of amorphous silicon layer, first type element doping is performed to obtain a monitoring piece; the monitoring piece is detected, and the production line state is adjusted according to the monitoring result as needed; the monitoring method can consider the interference of RCA cleaning state in the actual production line, and is more in line with the actual process of phosphorus diffusion passivation monitoring process; the method result is accurate and reliable, and RCA interference caused by the mismatch of the monitoring piece structure is fundamentally eliminated, so that the final passivation quality test result can truly and accurately reflect the passivation level of the production line phosphorus diffusion process, and provide a reliable basis for accurate adjustment of process parameters.
Owner:JIANGSU RUNYANG SOLAR TECH CO LTD

Spare power automatic switching device verification platform and method based on self-holding double-coil relay

The invention relates to the technical field of power system relay protection, and relates to a backup power automatic switching device verification platform and method based on a self-hold double-coil relay, and the platform comprises a circuit breaker simulation unit which comprises a closing coil and an opening coil; the control signal input interface is electrically connected with the closing coil and the opening coil and is used for receiving closing and opening control pulses output by the spare power automatic switching device to be verified; the state feedback output interface is electrically connected with a first state contact of the self-holding double-coil relay and is used for feeding back the opening and closing state of the simulated circuit breaker to the spare power automatic switching device to be verified; and the manual control loop is connected in parallel to a circuit of the closing coil and the opening coil, and is used for manually setting or resetting the circuit breaker simulation unit under the condition of being separated from the spare power automatic switching device. Through high-fidelity closed-loop simulation, linkage logic under various working conditions is completely reproduced, and the accuracy, depth and convenience of verification work are remarkably improved.
Owner:YALONG RIVER HYDROPOWER DEV CO LTD