454 results about "Load testing" patented technology

The invention discloses an automatic multi-channel solid-state relay testing device, and belongs to the technical field of electrical element detection and intelligent manufacturing testing. The device comprises an insulation and voltage resistance test module, a direct current function test module, an alternating current function test module, an automatic load test module and an MES execution management module. The device has the advantages of complete testing functions, high precision, high automation degree, wide adaptation range and the like, and is suitable for delivery inspection and life verification of various solid-state relays.

The invention provides a passive device testing method, device and equipment and a readable storage medium. The passive device testing method is applied to the passive device testing device and used for testing transmission parameters of a passive device, the passive device testing device comprises a testing alternating current source and a testing load, and the testing alternating current source is used for transmitting testing alternating current electric energy to the testing load through the passive device. The passive device test method comprises the following steps: controlling to conduct a transmission path between a test alternating current source and a passive device, controlling to disconnect a transmission path between a test load and the passive device, and obtaining a first group of test parameters of the passive device; and controlling to disconnect a transmission path between the test AC source and the passive device, controlling to connect a transmission path between the test load and the passive device, and obtaining a second group of test parameters of the passive device. And determining transmission parameters of the passive device at least according to the first group of test parameters and the second group of test parameters. According to the invention, the transmission parameters of the unknown passive device of the internal circuit can be obtained.

The invention relates to the technical field of pile foundation testing, in particular to a test pile load testing method and a loading structure, and the method comprises the following steps: testing preparation: establishing a real-time data acquisition link; graded loading: graded loading: collecting pile top settlement-time sequence data in real time at the load holding stage of the current load stage; self-adaptive load holding judgment: calculating a settlement convergence trend based on settlement data acquired in real time under the current load level; if the prediction model judges that the settlement is fully converged under the current load level, directly entering the next load level without waiting for the settlement rate to be reduced to a fixed threshold value; if the prediction shows that the settlement cannot be converged or tends to be damaged, triggering damage early warning and turning to a damage treatment flow; continuously detecting, namely repeating the step of graded loading and the step of self-adaptive load holding judgment until a preset maximum test load is reached or damage is triggered; and evaluation: evaluating the bearing capacity of the pile foundation. The test efficiency is improved, and the intelligent degree is improved.

The invention discloses a motor testing device for a robot, and relates to the technical field of motor testing for robots, and the motor testing device comprises a control cabinet, a testing platform, a locking device, a torque rotating speed sensor, a shaking simulation part, a load testing group and an adjusting part. Efficient detection of the motor for the robot with the body is achieved through cooperation of the shaking simulation component, the load testing assembly and the adjusting component, the shaking simulation component drives the motor to shake, the amplitude is changed under the action of the adjusting component, the stability of the motor is detected by simulating the bumping state, and the load testing assembly applies variable friction resistance. Loads are increased or decreased through the adjusting part, the actual use condition is flexibly simulated, the adjusting part can synchronously or separately adjust the shaking amplitude and the resistance application size, the complex environment is accurately simulated, shaking and load testing are fused, the testing convenience and accuracy are improved, the motor quality is efficiently controlled, and potential safety hazards of the motor for the robot are found in advance.

The invention discloses a multi-mode fusion power semiconductor module full-automatic detection system and method, relates to the technical field of semiconductor testing, constructs a multi-topology loading module, and realizes mechanical load testing under a frequency converter working condition, electrical load simulation under a grid-connected working condition and static electrical parameter testing. And covering dynamic and static performance detection of the module in a multi-application environment. A multi-source temperature monitoring and weighted fusion technology is introduced, and precise regulation and control of local junction temperature, surface temperature and radiator temperature of the module are realized. Dynamic switch characteristics are extracted from various collected data through wavelet transformation, and module failure probability prediction is completed in combination with a Weibull life model. Automation of whole-process data analysis and detection report generation is achieved, and the test efficiency and the evaluation intelligent level are improved. The method is suitable for multi-scene performance evaluation and reliability analysis of the power semiconductor module.

The invention discloses a chip packaging test production line performance control method based on reinforcement learning, and relates to the technical field of quantum regulation and control, and the method comprises the steps: generating a joint state vector; inputting the joint state vector into a pre-trained reinforcement learning strategy model, and when a high-risk state is detected, triggering a causal intervention mark, and generating a frequency band reservation instruction, a forced forbidden instruction set and a quantum regulation and control instruction set; transmitting a frequency band reservation instruction, a forcible forbidding instruction set and a quantum regulation and control instruction set to a radio frequency test machine and chip packaging equipment through a communication interface, distributing a low-load test channel, forbidding a high-risk channel and adjusting temperature and pressure; and collecting test data of the chip function test, verifying the compliance of the test data, and generating a qualification report. According to the method, intelligent sensing and causal reasoning of the running state of the chip packaging test production line are realized through the reinforcement learning strategy model and the causal rule map.

The invention relates to a chip testing system, device and method. The chip test system comprises a server and an embedded test device which are in communication connection. The server is configured to store a test program and load the stored test program to the embedded test device; the embedded test device is configured to run a test program so as to test one or more chips to be tested connected with the embedded test device, and the test program simultaneously tests the computing power load and the memory pressure of the chips to be tested in parallel when running. According to the chip testing system, device and method, the testing efficiency can be remarkably improved, and the real performance of the chip in an actual service scene can be accurately reflected.

The invention discloses a multi-station collaborative operation robot group scheduling control method and system, and relates to the technical field of industrial robot control, and the method comprises the steps: obtaining and fusing multi-station vision and point cloud data, and determining the task pose information of each station of a robot group; according to the allocation task, the planning path and the registration divergence rollback re-collection data, obtaining an operation allocation result; then, correcting the pose by sensing the filtering binding force-displacement relation through near-field operation force; analyzing and identifying abnormity of the low-load test binding force data trend in operation; a scheduling control result is generated in combination with task feedback adjustment parameters; and finally, frequency optimization is constrained by an environment interference threshold value, and a multi-station cooperative scheduling scheme of the swarm robots is obtained. According to the method, the technical problems of insufficient pose precision, serious equipment interference and abnormal response lag of the robot group in multi-station operation are solved, and the technical effects of accurate pose control, timely abnormal identification and efficient cooperative scheduling of the multi-station robot group are achieved.

The invention relates to the technical field of automobile testing equipment, and discloses a new energy automobile chassis load testing device which comprises a testing table, a ramp is connected to one side of the surface of the testing table, electric sliding rails are symmetrically installed on the two sides of the testing table, and walking frames are slidably arranged in the electric sliding rails. Telescopic rods are arranged on the two sides, close to each other, of the walking frame, pressure detection mechanisms are arranged at the tops of the two sides of each telescopic rod correspondingly, each pressure detection mechanism comprises a mounting plate, the mounting plates are fixedly connected with the two sides of the corresponding telescopic rod correspondingly, and hanging rods are fixedly mounted on the two sides of the center of the bottom of each mounting plate; the bottom of the hanging rod is hinged to a swing arm, an extension arm is movably installed in the swing arm, and the sides, close to each other, of the extension arm are rotationally connected with a gravity roller, the driving test of various different items can be simulated, continuous running is achieved, the integration degree is high, and the test time is highly saved.

The invention provides a rock mass section area measuring device in a point load test, and relates to the technical field of geotechnical engineering and engineering geology. Comprising an external model framework, a profiling support mechanism, a pressure sensing positioning unit and a data acquisition and analysis system, the profiling supporting mechanism and the pressure sensing positioning unit are fixed in the integral external frame; the profiling supporting mechanism is clamped on the upper portion in a frame through the difference of the inner diameter and the outer diameter of the external model frame to form mechanical interlocking, and the lower portion of the profiling supporting mechanism is arranged above the pressure sensing positioning unit through a reserved positioning hole. The pressure sensing and positioning unit is a distributed array pressure sensor combination, and the data acquisition and analysis system is connected with the pressure sensing and positioning unit to reflect monitoring data. Pressure distribution data of a rock contact area are collected in real time through the pressure sensing and positioning unit, and the data collection and analysis system is combined with signal processing, shape recognition and 3D modeling technologies to achieve rock shape analysis and visual visualization and calculate the sectional area of the rock contact area in real time.

The utility model discloses a metal material constant load testing device suitable for a hydrogen environment, which comprises a high-pressure gas storage bin, the high-pressure gas storage bin is hermetically connected with an upper bin cover and a lower bin cover, the upper bin cover is provided with a gas inlet pipeline, the lower bin cover is provided with a gas outlet pipeline, the high-pressure gas storage bin is filled with hydrogen, the upper bin cover is provided with an upper loading rod, and the lower bin cover is provided with a lower loading rod. The upper end of an upper loading rod is connected with a loading head, the lower end of the loading rod extends into the high-pressure gas storage bin, a load sensor is installed on the upper loading rod, a lower loading rod is arranged on the lower bin cover, the upper end of the lower loading rod extends into the high-pressure gas storage bin, the lower end of the lower loading rod is connected with a base, the lower end of the upper loading rod is provided with an upper connector, and the upper connector is connected with a lower connector. A lower connector is arranged at the upper end of the lower loading rod, a constant-load sample is connected between the upper connector and the lower connector, an extensometer is mounted on the constant-load sample, and a temperature sensor and a pressure sensor are mounted in the high-pressure gas storage bin. According to the utility model, a high-pressure hydrogen test environment can be effectively provided, and the performance test of a metal material under a constant load is realized.

The invention discloses a wireless load monitoring device and method for a differential planetary gear transmission system, and relates to the technical field of mechanical transmission testing. The invention aims to solve the problems that when a strain gauge is pasted on a tooth, the pasting position of the strain gauge is not accurate and is not firm, and a lead is wound and fractured in the existing uniform load testing device. A strain gauge set (22) is installed on the radial surface of a planet carrier assembly (6) of the differential planetary gear transmission system and monitors loads in real time, and a wireless transmission assembly is connected with the strain gauge set (22) through a data line set and outputs monitoring signals. And the strain gauge groups (22) are adhered to the outer circumferential surface of the planet carrier assembly (6) in a circumferential array arrangement mode. The method comprises the steps of processing a cable mounting hole, mounting a monitoring device and starting a system for real-time monitoring. According to the invention, the accuracy and reliability of monitoring are improved, and the method is used for online real-time load measurement of the differential planetary gear transmission system.

The invention relates to the technical field of load testing, in particular to a data center high-power liquid cooling load testing device which comprises a data processing box body and an operation interface arranged on one side of the data processing box body. The data processing box body is internally provided with a liquid cooling assembly for intensively cooling the data processing elements; the liquid cooling assembly comprises a conduction module. The conduction and cooling conduction module comprises a mounting cover for a heat concentration area in the working process of a data processing element. A plurality of sets of heat collecting pieces are arranged in the installation cover in an array mode and connected with a data processing element circuit in series. And the cooling efficiency and the load adaptability are greatly improved through structural optimization. A mounting cover and array heat collecting pieces are designed for a heat concentration area, a round cover body and concentric polygon arrangement are combined, a heat collecting blind area is eliminated, and the heat contact area is increased through the multiple sets of array heat collecting pieces. The combination of the heat-conducting shaft and the red copper heat-conducting frame shortens the heat transfer path and improves the heat conduction efficiency compared with the design without the heat-conducting shaft.

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.

The invention discloses a heat dissipation test method and system for a server cabinet, and relates to the field of liquid cooling technology, air cooling technology and dummy load test. The heat dissipation test method comprises the steps that in response to a control operation on a dummy load module of the heat dissipation test system, the dummy load module is controlled to run according to a control instruction corresponding to the control operation, and the dummy load module is integrated in a machine frame of the heat dissipation test system in a detachable connection mode; the dummy load module comprises a plurality of liquid cooling dummy loads and a plurality of air cooling dummy loads, and the heat dissipation test system is used for simulating the heat dissipation working condition of the server cabinet to perform a heat dissipation test; and obtaining operation data of the dummy load module, wherein the operation data is used for determining a test result of the heat dissipation test system. The device is suitable for application scenes including a plurality of cabinets such as a data center, supports heat dissipation tests of an air cooling system and a liquid cooling system at the same time, improves the test efficiency, and reduces resource waste. The device can be configured as required, and is flexible to disassemble and assemble and convenient to transport.

The invention relates to a ring main unit state remote early warning maintenance method and system integrated with AI diagnosis, and belongs to the technical field of intelligent operation and maintenance and monitoring control of power equipment. The method comprises the following steps: collecting load data of a power distribution branch, constructing a temperature-current bimodal grid to carry out a simulation load test on a ring main unit, and generating state data of the power distribution branch of the ring main unit; constructing an intelligent ring main unit monitoring and diagnosis model, analyzing voltage-current curves under normal and abnormal loads, and generating a ring main unit remote maintenance scheme; simulating and executing the remote maintenance scheme of the ring main unit through a digital simulation control method, and verifying an insulation degradation period of the ring main unit based on an electromagnetic interference simulation method to obtain state early warning information of the ring main unit; and setting a multi-level risk early warning value based on the remote maintenance scheme of the ring main unit, dynamically optimizing a maintenance period and an inspection strategy, and pushing a remote maintenance instruction of the ring main unit and state early warning information of the ring main unit through a cloud monitoring platform.

The invention relates to the technical field of data storage, and discloses a multi-platform dirty disk performance consistency testing method for a solid state disk, which comprises the following steps: acquiring configuration information of a to-be-tested solid state disk and recording a SMART data baseline; the method comprises the following steps: initializing a solid state disk, performing steady-state preprocessing in an empty disk state of the initialized solid state disk, and recording performance data at the moment as an empty disk reference; filling the dirty disk proportion of the solid state disk to a target value in a sequential or random write-in mode, applying a corresponding dynamic load model under the dirty disk proportion, and continuously performing performance sampling, recording performance data and generating a performance attenuation curve; and starting a CPU pressure test, a memory bandwidth test and a GPU load test at the background while running the solid state disk performance benchmark test. According to the SSD performance compatibility testing method and system, cross testing is carried out on two mainstream platforms of AMD and Intel, and the performance compatibility of the SSD in different system environments can be systematically evaluated.

The utility model relates to a loading test device for a conductive slip ring. The loading test device comprises a test board support, a motor, the conductive slip ring and an electric bulb. The motor and the conductive slip ring are respectively arranged on the testboard support, the output end of the motor is connected with the rotor end of the conductive slip ring, the bulb is connected to a loop at the rotor end of the conductive slip ring, and a loop outgoing line corresponding to the stator end of the conductive slip ring is connected with a direct-current power supply; the device is simple in structure, extremely low in cost and accurate, visual and clear in test result, and can replace expensive test equipment in dynamic resistance fluctuation and on-off tests of middle-end and low-end conductive slip rings, so that the cost is greatly reduced.

A machine tool unit (1) is proposed, comprising a stator unit (2) and a rotor unit (3) with a measuring element (5) for detecting rotational movement and / or displacement and / or deformation, as well as a test device (12) for testing bearing loads. This device serves to measure the working and process forces of a force application or to determine the displacement, deformation, and movement during operation. For more precise machining, an axial sensor (6) and a sensor unit (7) are provided for determining the deformation and / or displacement based on the position of the measuring element (5) in the axial or radial direction, as well as the phase relationship between the position of the rotor unit (3) or spindle shaft (4), or the phase relationship determined by the force ratio of the acting forces. The axial sensor (6) is arranged such that it measures the deformation and / or displacement based on the position of the measuring element (6) in the axial direction.

The invention relates to a construction method of a load measurement unit. The construction method comprises the following steps: S1, manufacturing a guide frame structure; s2, a support structure is manufactured, specifically, the support structure is divided into two parts to be manufactured, and the two parts are a truss structure and a base structure; s3, machining the support structure; according to the construction method, the load test units are manufactured in a segmented mode, each segment is constructed in the four stages of scribing, manufacturing, welding and overall machining, the flatness is accurately controlled through the scribing stage, the precision of a follow-up machining datum plane is ensured, flatness out-of-tolerance caused by welding deformation is avoided, overall scribing is conducted after welding is completed, and the construction efficiency is improved. Welding stress deformation is eliminated, the relative position precision of all key components is ensured, accumulative errors of step-by-step machining are reduced, and therefore the rework rate is effectively reduced, the construction efficiency is improved, and meanwhile high-precision control over the load measuring unit is achieved.

The application discloses an AI acceleration card reasoning computing power benchmark test method and device, obtains reasoning load data and hardware configuration parameters, generates a load anchor point sequence through business scene feature joint labeling, constructs an initial load test set accordingly, quantifies concurrent throughput backoff features to generate a computing power benchmark atlas, directionally decomposes cumulative accuracy deviation in the test set, identifies two components of computing power sensitivity and bandwidth sensitivity, respectively obtains computing power correction and bandwidth bottleneck anchor points through utilization rate false reporting traceability and memory conflict frequency domain association, generates accuracy correction instructions and implements accuracy re-correction on the initial test set, performs cold start path loss detection and accuracy gradient monotonicity failure identification based on the corrected test set, locates false reporting consistency blind area anchor points, executes global optimization on the computing power benchmark atlas, and finally outputs benchmark test results, thereby improving the accuracy and business adaptability of AI acceleration card reasoning computing power benchmark test results.

The utility model provides a high-power motorized spindle research and development test platform for a numerical control machine tool, which comprises a motorized spindle system, an electric dynamometer, a test bench and monitoring and measuring equipment, and can be used for no-load test and loading test of a motorized spindle prototype, function test of a motorized spindle driving controller and performance verification. According to the utility model, the air compressor introduces the dried and filtered compressed gas into the oil-gas lubricating equipment to produce oil-gas mixed gas flow to lubricate and cool a high-speed bearing in the motorized spindle prototype, and the oil-gas mixed gas flow can be used for a high-speed or ultra-high-speed motorized spindle loading test.

The invention provides a dual-redundancy R-EPS steering system electronic power unit performance detection device, and relates to the technical field of steering system testing. The control unit is in communication connection with the upper computer; the actuating mechanism comprises a programmable load motor, the control end of the actuating mechanism is connected with the control unit, and the output end of the actuating mechanism is connected with a motor output shaft of the tested electronic power unit; the sensing feedback module comprises a plurality of sensors used for collecting operation parameters of the tested electronic power unit, and each sensor is connected with the control unit; the fault simulation module is integrated in the control unit, and the output end of the fault simulation module is used for connecting a fault injection node of the tested electronic power unit; wherein the programmable load motor, the sensing feedback module and the fault simulation module form an integrated test system for performing dynamic load test and active fault injection test on the tested electronic power unit under the coordination of the control unit. High integration and automation of the detection process can be realized, and the test efficiency and consistency are improved.

A method and system of determining reference to dynamic values is disclosed. A processor receives at least one testing scenario for load testing an application. At least one load testing script is determined based on the at least one load testing scenario. A natural language prompt is received from a user for identifying the reference to the at least one dynamic value within the at least one load testing script. The at least one load testing script and the natural language prompt is tokenized to generate a tokenized load testing script and a tokenized prompt. An LLM is prompted using the tokenized prompt to determine at least one tokenized reference corresponding to at least one tokenized dynamic value from the tokenized load testing script. The at least one tokenized reference is de-tokenized to determine an LLM determined reference to the at least one dynamic value.

This invention discloses a load testing device and method for high strain rate tensile testing. The device includes an elastic rod (1), strain gauges (2), a tensile testing machine (3), a clamp connector (4), and a data acquisition unit (5). One end of the elastic rod is fixed to the lower crossbeam (31) of the tensile testing machine, and one end of the specimen (6) is connected to the other end of the elastic rod through the clamp connector. The other end of the specimen is fixed to the upper crossbeam (32) of the tensile testing machine. Several strain gauges are spaced apart on the elastic rod, and the output ends of the strain gauges are connected to the data acquisition unit. Each strain gauge independently transmits its stress signal to the data acquisition unit. This invention can obtain ideal and reliable dynamic mechanical property data by decomposing the transmission and superposition of stress waves during material tensile testing at high strain rates, reducing the oscillation effect of load signals, obtaining the true stress loaded on the sample, and improving the accuracy of test results.

The invention provides a dynamic load testing method and device, electronic equipment, a medium and a program product, and can be widely applied to the technical field of testing. According to the method, the access state of the tested object is simulated through the test tool according to the target test parameter, and after the first performance index in the access process is received and collected, the target test parameter and the first performance index are input into the preset machine learning model to perform load test analysis on the tested object; therefore, the test process of all the load parameters needing to be tested can be completed without continuously manually adjusting the tested load parameters, the workload of manual adjustment and interference factors introduced in the manual adjustment process are reduced, and the test accuracy is effectively improved.

A drop hammer impact testing device for anchor bolts or anchor cables includes a lifting mechanism, a main frame, a hammer-grabbing device, a guide structure, a connecting structure, an impact force transmission mechanism, a hammer body, and a lifting rod. The main frame has a top plate at its top and a bottom plate at its bottom. The guide structure is located within the main frame, and the lifting mechanism is located on the upper surface of the top plate. The output end of the lifting mechanism is connected to the hammer-grabbing device, and the hammer body is located at the bottom of the hammer-grabbing device. Both the hammer-grabbing device and the hammer body are slidably fitted with the guide structure. This drop hammer impact testing device for anchor bolts or anchor cables solves the problem that the testing of anchor bolt or anchor cable support materials in related technologies focuses on static load testing, resulting in a lack of means to test the quality of anchor bolt or anchor cable support materials under impact loads.

The invention relates to the technical field of precast beam detection, in particular to a precast beam static load test sampling method. The method comprises the steps that the number of precast beams in the current batch is determined; determining the sampling quantity of the current batch according to a preset proportion and the quantity; performing multiple types of nondestructive testing on the precast beam to obtain multiple nondestructive testing results, and determining a probability score value of the precast beam based on the multiple nondestructive testing results; determining the sequence of the probability score values of the precast beams; and the precast beams with the probability score values ranked as the first N are selected from all the precast beams in the current batch to serve as target precast beams to be subjected to the static load test. According to the method, the sampling method is specifically quantified, selection is carried out according to the probability score value of each precast beam, the divergence that random sampling is needed and beams with poor quality are selected is avoided, the overall quality condition of the batch of precast beams is changed and practically reflected, and therefore the beam with the worst quality in the batch of precast beams is accurately found out.

The invention discloses a load testing method and device, equipment, a storage medium and a product. A hardware channel of a PCIe dummy load card is tested to obtain a hardware test result, and the PCIe dummy load card refers to a card for simulating heating values under different loads during a heat dissipation capability test of a liquid cooling system based on a PCIe interface; testing the control instruction of the PCIe dummy load card to obtain an instruction test result; testing the heating parameter of the PCIe dummy load card to obtain a heating test result; and determining whether the performance of the PCIe dummy load card reaches the standard or not according to the hardware test result, the instruction test result and the heating test result, and obtaining a performance result. According to the method, the PCIe dummy load card is adopted to simulate the PCIe card to generate heat to complete the performance test, and a more accurate dummy load card performance result is obtained through the three tests, so that more accurate and effective PCIe heating data is obtained, and the development speed of the heat dissipation capability of the liquid cooling system is increased.

This invention discloses a load testing mechanism for DC charging piles, relating to charging pile load testing technology. It includes a testing body and an operation panel on the front of the testing body, with a heat dissipation panel on the back. The testing body has insertion mechanisms on both its internal left and right sides, each including an insertion slot. A pull-out ring is provided on the outer side of the insertion slot. Support mechanisms are provided on both the external left and right sides of the testing body, each including a support arc plate. This load testing mechanism for DC charging piles connects to the charging gun of the charging pile via the testing body. The rotatable support arc plate inside the support side plate supports the charging gun. During load testing, the high temperature is de-energized by an electromagnetic ring, causing the charging gun to disengage from the insertion slot, thus preventing short-circuit damage to components due to high temperature.