1210 results about "Combined test" patented technology

The invention discloses an unmanned aerial vehicle flight control system vulnerability detection method based on data flow analysis and LLM, and belongs to the technical field of intelligent software testing. Comprising the following steps: extracting a code function module associated with user operation in an unmanned aerial vehicle flight control system through a data flow analysis method, and establishing an operation-code mapping relation library; generating a structured natural language semantic description for each function module code by adopting a large language model LLM, and forming a multi-dimensional semantic feature vector; based on correlation analysis of multi-module semantic features, a combined test scene is constructed, and a natural language test case is generated; the natural language test case is converted into an executable test code through reverse semantic mapping, and coding reconstruction of test logic is completed; and executing a test code and capturing a runtime log in an unmanned aerial vehicle simulation environment, and performing vulnerability feature extraction and root cause positioning by using a large language model. According to the method, the efficiency is improved, and meanwhile, the deep coverage test of a complex interaction scene is supported.

The invention provides a credibility measurement method and system for an unmanned multi-mode perception algorithm, a data-driven virtual simulation test platform is constructed, and feature distribution is counted on the basis of actually-collected actual measurement data. Through dynamic model modeling and state transition, an end-to-end closed loop sensing process is described. Afterwards, for the problem that a traditional combined test method is low in efficiency due to the high dimension of scene parameters, a black box substitution model between the scene parameters and a perception test result is established, historical test data is evaluated by using a Bayesian optimization algorithm to generate the most antagonistic scene parameters in a next iteration test, and the efficiency of the traditional combined test method is improved. In this way, the confrontation of the test environment is continuously improved, and the test efficiency is effectively improved. And finally, a perception algorithm credibility measurement module is constructed, a perception failure scene is extracted through playback test data, a credibility evaluation index system is constructed, and comprehensive credibility evaluation of the tested perception system is realized.

The invention relates to an online multi-dimensional comprehensive test evaluation method for an automatic driving test. The method comprises the following steps: constructing a test scene library; constructing a test scene complexity model; building an intelligent driving joint simulation test platform, and embedding the intelligent driving algorithm into the intelligent driving joint simulation test platform; constructing an automatic driving test multi-dimensional evaluation index system for performing multi-dimensional performance evaluation on the automatic driving vehicle; an intelligent driving joint simulation test platform is utilized to obtain vehicle test data, an evaluation index system and a test scene complexity model are combined to calculate objective evaluation index weights, then comprehensive performance quantitative scores are calculated, and finally an automatic evaluation report is output and obtained. Compared with the prior art, the subjectivity of manual evaluation can be reduced, and the evaluation efficiency of the automatic driving vehicle is improved; comprehensive and objective quantitative scoring can be carried out on the multi-dimensional performance of the automatic driving vehicle, and the influence of different test scenes on the scoring difference of the automatic driving vehicle is reduced.

The present disclosure provides an automatic driving test method. The method includes: acquiring test configuration information input by a user; generating test cases according to the test configuration information, and allocating the test cases to corresponding test types, wherein test types comprise a virtual simulation test, a whole vehicle in-loop test, a closed site test, and an open road test; and under each test type, testing a to be tested vehicle based on the corresponding test cases to obtain test results corresponding to each of the test type, and the test results comprise a simulation test result, a whole vehicle in-loop test result, a closed road test result, and an open road test result. Thus obtaining rich comprehensive test evaluation results makes the test results for autonomous vehicles more accurate.

The invention discloses a partial discharge and breakdown combined test system and test method under wide temperature range and variable air pressure, which are suitable for evaluating the insulating properties of insulating materials, cables and power equipment under high and low temperature and different air pressure conditions. The system comprises a vacuum oven, a partial discharge and withstand voltage breakdown joint test module, an explosion-proof cable joint, a control module and a detection module, the vacuum oven can realize temperature regulation and control from-70 DEG C to + 200 DEG C and an air pressure environment of 10 <-3 > Pa, and the test module integrates a high voltage generator, a coaxial electrode and a partial discharge sensor. Partial discharge detection and breakdown voltage measurement can be completed in the same test environment. According to the test method, the electrical response characteristics of the insulating material under different working conditions are obtained through regulation and control of environment temperature and pressure, execution of a test process and data acquisition and analysis. The device is compact in structure and high in safety, and has the capabilities of joint testing, high-precision regulation and control and adaptability to complex environments.

Application and network tests executed for paths between endpoints and an application are proxied to reduce network traffic sent to application as part of synthetic testing. Testing for each endpoint behind a network element or security component acting as a test proxy for a path between the endpoint to the application is split into two segments: a segment from each endpoint to the test proxy, and a segment from the test proxy to the application. A service obtains test results from agents executing on the endpoints and the test proxy and “stitches” the results of each segment together to generate test results for the path from endpoint to application. Stitching refers to aggregating, combining, or otherwise joining the results obtained for each path segment to generate a set of test results for the path. The manner of stitching can vary depending on test type and / or types of performance metrics collected.

The invention discloses a combined test method and device for a temperature field and a stress field of a tunnel in a severe cold region, and belongs to the field of tunnel engineering. The tunnel comprises a primary support and a secondary lining, the system comprises a data acquisition instrument, and a surface strain gauge, a thermometer, a temperature measurement beam, a heat conductivity probe, a wind speed sensor and a meteorological sensor which are respectively in communication connection with the data acquisition instrument, and the data acquisition instrument is arranged at the haunch of the tunnel; the surface strain gauge is arranged on the lining surface of the second lining; the thermometer is arranged on the inner side surface of the second lining; the temperature measuring beam is arranged in the primary support and the surrounding rock; the thermal conductivity probe is inserted into surrounding rock; the wind speed sensors and the meteorological sensors are arranged on second linings on the left side and the right side in the tunnel. According to the invention, the temperature field and the stress field of the surrounding rock lining can be monitored, the temperature measuring beam and the surface strain gauge are adopted to monitor the range of the freeze-thaw ring and the change of the frost heaving force, and data support is provided for researching the influence of the thermal-mechanical coupling effect on the cold region tunnel and the dynamic evolution of the tunnel engineering vulnerability.

The invention is suitable for the technical field of signal testing, and provides a high-speed serial signal testing method and system and semiconductor testing equipment, and the high-speed serial signal testing method comprises the steps: carrying out the time sequence adjustment of a testing signal through a phase-adjustable clock reference, actively introducing controllable jitter, and carrying out the jitter tolerance testing; a target test signal is sent to a receiving end through an emission driver, after a receiving signal is obtained, a target sampling time sequence is extracted based on clock recovery, a programmable receiving delay chain is controlled to carry out time scanning, and receiving data at multiple sampling moments are obtained; comparing each sampling data with the test signal, counting the bit error rate under each delay setting, and completing signal quality evaluation; the scheme has the advantages of modularization, high precision, low cost and the like, and the comprehensive test efficiency and reliability of the semiconductor test equipment on high-speed serial signals are improved.

The invention discloses an aviation hybrid power turbine power generation system test run rack which comprises a test run platform, a first mounting rack arranged on the test run platform and used for supporting an engine and a second mounting rack arranged on the test run platform and used for supporting a generator. A linear guide rail parallel to the axial direction of the engine, a bottom plate arranged on the linear guide rail in a sliding mode and a driving mechanism used for driving the bottom plate to slide relative to the linear guide rail are arranged on the test run platform, and the first mounting frame is arranged on the bottom plate; the driving mechanism drives the first mounting frame to move through the bottom plate so as to adjust the distance between the first mounting frame and the second mounting frame; the test bench for the aviation hybrid power turbine power generation system can be suitable for combined tests of different engines and generators, can be compatible with complete machine test tests of an aviation hybrid power split type eddy current system or an integrated type eddy current system, and is wide in application range.

The invention discloses a comprehensive testing device for a high-voltage circuit breaker, and the device comprises a main control module which is connected with a power control module, a secondary detection module, a jump sampling module, and an auxiliary power module. The secondary detection module is respectively connected with the jump sampling module, the port protection module and the heavy load connector; the auxiliary power supply module is connected with the power supply control module and the jump sampling module. The port protection module is connected with the time test port. The power supply control module is connected with the jump sampling module, the heavy load connector, the sensor port, the external synchronization port and the return resistance test port. The invention further discloses a comprehensive testing method for the high-voltage circuit breaker. According to the comprehensive testing device, the functions of circuit breaker mechanical characteristic testing, circuit breaker secondary loop detection and circuit breaker loop resistance testing are integrated into the same device, the circuit breaker can be detected only by completing wiring between the circuit breaker and the comprehensive testing device, operation is convenient, and the testing result is accurate and is not affected by the personnel level.

The invention specifically discloses a method for evaluating the health state of a cigarette comprehensive test board, and the method comprises the steps: obtaining the fault type of the cigarette comprehensive test board, and carrying out the analysis of the fault type, so as to obtain the self degradation of equipment and the influence factors of the fault; carrying out fault influence factor analysis on influence factors of equipment degradation and faults, and carrying out numeralization on the influence factors; carrying out fault data acquisition and processing on the cigarette comprehensive test bench, structuring data of equipment faults, and further carrying out fault data expansion through a generative model GAN network; and a DNN deep neural network is constructed, training is performed by using the expanded fault data, and then fault probability evaluation is performed on the cigarette comprehensive test bench through the DNN deep neural network. According to the invention, the convenience and accuracy of health assessment of the cigarette comprehensive test board can be improved.

The invention discloses a combined sealing device frictional wear and external leakage test bed and a test method thereof, and aims to solve the problem that the existing device cannot accurately know the sealing wear. The test bench comprises a rack, a test piece, a stay wire sensor, an oil pipe and a hydraulic system, wherein an oil tank is arranged in the rack. The test piece comprises a test sealing assembly and a plunger, and the stay wire sensor is connected with a sealing combination structure. During testing, the hydraulic system drives the plunger and the sealing assembly to move relatively, the pull wire sensor measures displacement, friction force is calculated by combining pressure data to reflect abrasion, and the oil groove collects leaked oil. According to the invention, comprehensive testing of friction, wear and leakage is realized, sealing performance and wear rules under multiple working conditions can be analyzed, the structure is convenient to observe and operate, and optimization of the sealing structure is facilitated.

Disclosed are embodiments for facilitating autonomous vehicle simulated mileage data collection-guided operational design domain testing and test generation. In some aspects, an embodiment includes receiving performance results corresponding to simulated mileage accumulation of simulated autonomous vehicles (AVs); determining, from the performance results, performance metrics and corresponding confidence intervals for the performance metrics; identifying at least one of the performance metrics that does not satisfy a performance metric threshold or at least one of the corresponding confidence intervals that does not satisfy a confidence interval threshold; determining an identified domain corresponding to the at least one of the performance metrics or the at least one of the corresponding confidence intervals; and causing at least one of on-road supervised driving of one or more AVs to be initiated or one or more synthetic tests to be generated in accordance with the identified domain.

The invention discloses a radio frequency plasma comprehensive testing device and method for an ion process system, and relates to the technical field of plasma testing, and the device comprises a host and a coupling probe; the coupling probe is placed on a radio frequency transmission line of an ion process system, is used for carrying out coupling sampling on radio frequency energy through a capacitance or inductance coupling mode according to an electromagnetic field coupling principle, obtains current and voltage signals through coupling, and is also used for sensing and obtaining real-time temperature data in the probe; the host comprises a main body shell and a shielding frame arranged in the main body shell, and a data processing and analyzing unit is arranged in the shielding frame and used for performing data processing on the received voltage, current and temperature signals; the radio frequency power supply power, the radio frequency power supply frequency spectrum, the impedance of the matcher and the vacuum reaction cavity and other ion process system parameter values are calculated and generated, and meanwhile clutter capture and radio frequency transmission harmonic wave test results in radio frequency transmission are output, so that the comprehensive test of the ion process system is realized.

The present invention provides a general control method for a transformer and reactor comprehensive test system, which relates to the field of electrical control technology, including deploying a multi-dimensional sensor array to obtain power evolution data; establishing a multi-scale digital twin model to generate a power feature mapping matrix; using a graph neural network to realize cross-domain feature extraction, establishing a self-calibration optimization algorithm to generate an evolutionary power digital twin model; and constructing a hybrid power-classical fault diagnosis system to realize fault prediction and intelligent diagnosis. The present invention improves the accuracy and efficiency of transformer and reactor testing, and realizes the intelligence of multi-domain coupling analysis and fault prediction.

The invention belongs to the technical field of board card testing, and particularly relates to a board card voltage and current measurement and insulation voltage resistance testing method and system, and the method comprises the steps: starting a testing cabinet of a board card testing system, carrying out the self-inspection, and setting system parameters; a power supply is loaded according to set system parameters, and a load mode is selected according to different product requirements to provide working voltage and current for the board card; after the load mode is confirmed, voltage and current measurement and insulation voltage resistance test are carried out on the board card in a probe contact mode, and test data are transmitted to the data processing and analyzing module in real time; and the data processing module judges according to preset upper and lower limit standards after receiving the measurement and test data, and stores the data and an evaluation result to the storage unit at the same time. Through unified control and data processing, voltage and current measurement and insulation voltage resistance testing of the board card are integrated in one system, automatic board card comprehensive testing is achieved, and the accuracy and efficiency of board card comprehensive testing are improved.

The invention discloses an electrical safety test data analysis method and system for an electrical cabinet, and relates to the technical field of electrical measurement and test. The method is used for solving the problems of single test dimension, poor anti-interference capability and inaccurate fault positioning in the safety test of the electrical cabinet. Firstly, multi-channel electrical parameter synchronous acquisition is triggered based on a working condition event, real discharge and interference signals are distinguished through time-frequency analysis, and a time sequence incidence matrix of discharge pulses and load currents is established; then, analyzing phase distribution characteristics of partial discharge, calculating a correlation coefficient between a discharge repetition rate and a load current, and dynamically adjusting a weight to generate an insulation state comprehensive test index; further, insulation degradation characteristics are extracted through signal decomposition, and an insulation degradation trend and a fault probability are predicted in combination with energy entropy analysis and discharge mode recognition; and finally, the position of a fault component is analyzed and positioned based on the impedance network, and a maintenance priority sequence is generated according to the fault probability and the degradation rate.

The invention provides a transformer comprehensive test board and a test method thereof, and belongs to the technical field of transformer tests.The transformer comprehensive test board comprises an operation table and a control part and further comprises a switching mechanism, a power elimination mechanism and a wire disengaging mechanism. The control part can control the corresponding electromagnets to be powered on, push the corresponding first magnet pieces to move in the direction away from the electromagnets and drive the corresponding second conductive pieces to move in the direction away from the conductive joints, and in the process, the third conductive pieces can be inserted into the corresponding second conductive grooves. The second conductive part can be connected with the ground through the third conductive part, the fourth conductive part, the coil and the first conductive part, so that the two adapters of the output end and the input end of the power-off circuit can be connected with the ground, the residual current can enter the ground, the residual current is eliminated, the internal residual current of the transformer is prevented from influencing the subsequent test, and the safety is improved.

The invention belongs to the technical field of electric actuating mechanism testing, and particularly discloses a comprehensive testing device of an electric actuating mechanism, which comprises a base plate, an operation table is fixed at the top of the base plate, a first adjusting groove is formed in the top of the operation table close to the edge of one side, and a second adjusting groove is formed in the top of the base plate. A second adjusting block is slidably connected into the second adjusting groove, a fixing plate is fixed to the top of the second adjusting block, and an oil tank is fixed to the position, close to the edge of one side, of the top of the fixing plate. According to the invention, by arranging the adjusting assembly, the feedback assembly and the protection assembly, the maximum value of the torque during testing of electric equipment with different powers can be adjusted, and meanwhile, in the torque testing process of the electric equipment, when the torque of the electric equipment reaches the maximum value, the electric equipment operates normally, interference is prevented, and the testing efficiency is improved. Moreover, the contact part of the feedback assembly is protected during normal operation after the electric equipment is tested, and the contact part is prevented from being damaged by dry friction.

The invention discloses an ionic type rare earth ore body pressurization, permeation and shearing combined test device. The device comprises a shear box, a load system, a dynamic permeation structure, a graded filtration structure, a data assembly and a processing terminal, the load system is used for applying a horizontal load and a vertical load to the shear box; the dynamic permeation structure is used for containing a leaching solution and enabling the leaching solution to flow into the shear box; the graded filtration structure is used for collecting a leaching solution reacted with the rare earth ore body sample and acquiring graded filtration analysis data; the data assembly is used for summarizing monitoring data in the penetration and shearing processes; the processing terminal is used for controlling; the shear box comprises an upper box, a lower box, an upper seepage pressing plate, a lower seepage pressing plate, an upper filter screen plate, a lower filter screen plate, a cover plate, a microporous metal plate and filter paper. According to the invention, the integration of fine simulation and penetration and shear test of the in-situ ore leaching injection-production process is realized, and a test basis can be provided for in-situ ore leaching injection-production parameter design, rare earth ore body stability analysis and disaster risk assessment.

The embodiment of the invention discloses a surgical robot pose performance test system, method and device, a medium and a product, and the system comprises a combined controller, a pose generator, an optical measuring instrument, a dynamic tracker and a universal test tool. The test system is connected with the target test surgical robot system through the universal test tool, and the joint controller is used for driving the pose generator according to a specified pose performance test item, so that the pose generator controls a main manipulator in the target test surgical robot system to perform test motion; the optical measuring instrument and the dynamic tracker are used for collecting motion data of a master manipulator and a slave manipulator in a target test surgical robot system in a test motion process; and the combined controller is also used for acquiring the motion data and analyzing a test result of the pose performance test item according to the motion data. According to the embodiment of the invention, a comprehensive test platform capable of carrying out multiple tests can be provided, so that the surgical robot can be tested according to the test standard.

The invention relates to the technical field of balance ability testing and health management, and discloses a multi-mode active and passive combined balance ability testing method which comprises the following steps: acquiring basic physiological data and dynamic mechanical data of a tester through a sensor, and executing a sensory comprehensive test, a passive test and an adaptability test; calculating a balance score according to the gravity center trajectory data of the sensory comprehensive test, generating a passivity score based on the active force response time and angular momentum data of the passivity test, and generating an adaptability score according to the swing energy data of the adaptability test; and integrating the balance score, the passivity score and the adaptability score, and generating a multi-dimensional balance capability evaluation report through comprehensive weight calculation. According to the method, the problem of insufficient multi-dimensional evaluation in the existing method can be effectively solved, and a more comprehensive, accurate and personalized balance capability test result is provided.

The invention relates to the field of product testing, in particular to a signal processor testing device which achieves comprehensive testing of products and improves accuracy and efficiency in the comprehensive testing process. According to the scheme, the device comprises a measurement and control unit, a clock generation unit, a communication interface test unit, a high-speed AD test unit, a DDS waveform test unit, a gating pulse test unit, a bit instruction test unit and an interface unit, the communication interface test unit, the high-speed AD test unit, the DDS waveform test unit, the gating pulse test unit and the bit instruction test unit are connected between the measurement and control unit and the interface unit, the clock generation unit is connected with the interface unit, and the interface unit is connected with a product to be tested. And the measurement and control unit is used for receiving the MES task, controlling the test software and the test instrument to test the to-be-tested product, completing acquisition and uploading of test data, and performing DSP or FPGA software burning and debugging on the to-be-tested product. The method is suitable for comprehensive testing of products.

The invention discloses a chip testing method, system, medium and equipment, and relates to the technical field of chip testing electrical digital data processing. The method comprises the following steps: judging a chip to carry out an aging test or repair according to a first performance comparative analysis result of the chip; judging and determining an aging test process or repair of the chip according to a second performance comparative analysis result of the chip; and judging and determining a chip aging test result level according to the third performance comparative analysis result of the chip. According to the invention, performance evaluation analysis, stability analysis and evaluation and comprehensive test analysis and evaluation are respectively carried out on the dynamic random access memory chip, and the chip aging test result level is comprehensively judged according to the comparative analysis of the analysis and evaluation result and the corresponding threshold value. The effect of improving the aging test evaluation and judgment accuracy of the chip of the dynamic random access memory is achieved, and the problem that the aging test evaluation and judgment accuracy of the chip of the dynamic random access memory is insufficient in the prior art is solved.

The invention relates to the technical field of embedded system testing, in particular to a method for testing functionality and stability of a core board service component, which comprises the following steps of: initializing a core board testing environment, ensuring that software and hardware parameters are consistent in a testing process, and aiming at the service component on a core board, testing the service component on the core board; the method comprises the following steps of: analyzing and generating a dependency relationship graph among components by utilizing a dependency graph model, optimizing a key dependency relationship through a deep learning model, performing functional testing on the components according to a priority based on the optimized dependency relationship graph, and testing the stability of a core board during high-concurrency and multi-task operation through multi-thread scheduling and concurrent task simulation. Abnormal, resource competition and deadlock problems are detected; and finally, in combination with an actual application scene, carrying out component hot plug, network abnormity, power-off recovery and other scene tests, and analyzing test data to generate a comprehensive test report. According to the method, the test coverage rate and efficiency are improved, and stable operation of the system under complex conditions is ensured.

The invention relates to the technical field of aero-engines, and particularly provides a variable cycle engine duct experiment system and experiment method. A variable cycle engine duct experiment system comprises: a first combined experiment member comprising a main flow valve and a shunt ring; the second combined experiment piece comprises a first outer culvert, a second outer culvert and an ejector; the inlet of the variable capacitor second external culvert experiment piece is connected with the external culvert outlet of the shunt ring, and the outlet is connected with the second external culvert; an inlet of the first gas collection tank is communicated with an inner culvert outlet of the shunting ring; the bypass ratio adjusting valve is used for adjusting the bypass ratio at the shunting ring; an inlet of the second gas collection tank is connected with an outlet of the first gas collection tank through an inner culvert pressurization simulator, and an outlet is communicated with the first outer culvert; an inlet of the variable capacitor confluence duct experiment piece is communicated with the second outer duct; and the outer culvert throttle valve is connected with an outlet of the variable capacitor confluence culvert experiment piece. According to the technical scheme, engine duct experiments in multiple modes can be achieved, and the experiment efficiency is improved.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The invention relates to an in-cabinet condensation prediction method applied to a switch cabinet, and the method comprises the steps: building a geometric model of an actual switch cabinet, and importing the built geometric model into finite element simulation software; boundary conditions and material attributes of the geometric model are added into simulation software; wherein the boundary conditions comprise a solid and fluid heat transfer field reflecting condensation in the switch cabinet, a laminar flow field and a moisture conveying field in air; an interpolation function of temperature, air pressure and humidity changing along with time for 24 hours is set in simulation software, simulation calculation is carried out, the influence of multiple factors on condensation in the cabinet is evaluated, and the interaction effect is analyzed; the method comprises the following steps: dividing a plurality of factors into a high level and a low level for a combined test, analyzing test data to determine the significance and interaction of the factors, establishing an estimation regression equation for the factors and condensation in the cabinet, and predicting the condensation in the cabinet. Compared with the prior art, the method has the advantages that the condensation in the cabinet can be visually and accurately predicted, and the like.

The present invention discloses a multi-scale photovoltaic cell defect detection method based on complex background, the method comprising: constructing a photovoltaic cell defect detection data set; designing and improving a YOLOv8 network model; inputting the constructed data set into the improved YOLOv8 model for training; ablation experiment to verify the improved model performance; performing comparative experiments on multiple models, comprehensively testing and evaluating model performance; and visualizing the model test results. The present invention adopts multi-scale sequence feature fusion technology, combines bidirectional information flow and learnable weights to enhance the feature expression ability of the network, avoids the loss of shallow semantic information, and thus significantly reduces the false detection and missed detection problems in photovoltaic cell defect detection caused by factors such as complex background interference, variable shapes and multi-scale defects, and can accurately detect photovoltaic cells in complex backgrounds.