302 results about "Systematic testing" patented technology

The invention provides a full-link dynamic monitoring and anomaly simulation test system and method. The system comprises a cross-level I / O load simulation engine module, a multi-level collaborative fault injection module, a full-link dynamic monitoring module and an intelligent root cause analysis module. The cross-level I / O load simulation engine module is used for simulating business pressure fluctuation, the multi-level collaborative fault injection module is used for synchronously injecting configurable anomalies and realizing cross-level fault conduction, and the full-link dynamic monitoring module realizes request-level end-to-end tracking and acquires monitoring data through a distributed probe. And the intelligent root cause analysis module positions a fault root and generates a repair suggestion in combination with LSTM time sequence prediction and Bayesian causal reasoning. According to the invention, the overall performance and fault response capability of the system can be comprehensively evaluated, and the accuracy and efficiency of system testing are improved.

The invention relates to an airplane airborne BIT system testability verification method based on a correlation model, and the method comprises the steps: carrying out the testability modeling of an object system, and obtaining a dependency relation model which describes the relation between a fault mode of the object system and a test method of the object system; based on the dependency relationship model, obtaining a BIT theoretical fault report set of each fault mode under all test methods by utilizing reachability analysis, and deducing an optimal diagnosis fault fuzzy group; constructing a fault sample library, verifying the BIT theoretical fault report set by using samples in the library, and adjusting the dependency relationship model according to a verification result; and performing fault simulation based on the verified dependency matrix, and calculating a total fault detection rate and a fault isolation rate of the object system according to a generated fault report. According to the method, the isolation rate index of the fault can be effectively verified in the incomplete and unformed stage of the fault diagnosis strategy.

Disclosed are systems and methods including software processes for developing test cases for testing robustness of AI-based image-recognition models-under-test (MUTs) with respect to types of image variation transformations. The system may generate various types of robustness metrics for the MUT and output user-readable reports about the MUT's performance. The system trains machine-learning architectures to generate test cases including augmented images according to the types of image transformations, applies the IR MUTs, and then evaluates the image feature vector embeddings and predicted classification produced by the IR MUTs to determine the accuracy of the MUT with respect to each type of transformation.

The invention particularly relates to an integrated simulation test system and method for a diesel engine speed regulation system, and belongs to the field of diesel engine speed regulation system testing. The system comprises a diesel engine analogue simulation module which is used for simulating and outputting the working mode of a diesel engine, responding to and entering an off-line test working mode or an on-line monitoring working mode, and providing off-line test working parameters or on-line monitoring working parameters for a diesel engine speed regulation system; and the diesel engine speed regulation system analog simulation test module is used for responding to enter an off-line test working mode or an on-line monitoring working mode and acquiring off-line test working state parameters or on-line monitoring working state parameters of the diesel engine speed regulation system in real time. According to the method, the simulation test of the diesel engine speed regulation system is carried out by using the device. The off-line test function verification of the diesel engine speed regulation system is realized, the function verification cost and risk of the diesel engine speed regulation system are reduced, the comprehensive test of the diesel engine speed regulation system is realized, and the usability and reliability of the functions of the diesel engine speed regulation system are improved.

The invention relates to the technical field of semiconductor manufacturing, and discloses an integrated vacuum system test method of a mechanical arm and a vacuum test platform. A vacuum test platform which is provided with a two-stage vacuum system and a multi-channel proportional valve and is designed in a modular architecture mode is adopted for sequentially carrying out pre-installation calibration, vacuum environment simulation, positioning precision testing, vacuum adaptability testing and durability testing. The vacuum test platform is provided with a fine tuning clamping groove which is matched with the altimeter to ensure that the mounting position of the mechanical arm to be tested is accurate and the actual condition of the photoetching machine is reetched; a plurality of general standardized interfaces are also arranged, so that quick switching of to-be-tested mechanical arms of different models is realized; in the analysis stage, the three test results are analyzed, whether the performance of the mechanical arm to be tested reaches the standard or not is evaluated, the capability of integrally testing indexes such as positioning precision, vacuum adaptability and durability is achieved, external pre-debugging of the mechanical arm under the working environment of the simulated photoetching machine is achieved, and the debugging efficiency and precision are improved.

The invention relates to the technical field of material performance testing, in particular to a neat paste flow testing method and system based on multi-mode dynamic imaging. The test method comprises the following steps: collecting a continuous infrared image sequence of a neat paste free flowing process; synchronously triggering visible light supplement in a flowing initial stage, and obtaining at least one frame of visible light image; performing registration fusion on the visible light image and the infrared image at the corresponding moment to generate an enhanced image frame; extracting a neat paste contour in real time based on the enhanced image frame, and calculating dynamic parameters; according to the change trend of the dynamic parameters, the flowing stability opportunity is adaptively judged; and triggering final contour extraction at a stable opportunity, and calculating static morphological parameters and dynamic process parameters. Through the multi-modal dynamic imaging and intelligent image fusion technology, complex edge contours are accurately extracted, impurity interference is eliminated, and the measurement precision is improved.

The invention provides a driving unit steering performance test method and device, a medium and equipment, and the method comprises the steps: building a whole vehicle simulation model based on a set verification working condition and whole vehicle information; generating a simulation result based on the whole vehicle simulation model and the verification working condition; based on the simulation result, calculating to obtain a load time domain curve on each wheel; inputting the load time domain curve into a steering performance test bench system carrying a driving unit to obtain an actual measurement result of the steering performance test bench system under the verification working condition; calculating an error rate between the simulation result and the actual measurement result; if the error rate is smaller than a preset error rate threshold value, the steering performance test bench system is adopted to test the driving unit under the test working condition, and an evaluation index is obtained; based on the evaluation index, the steering performance of the driving unit is determined, so that the steering performance of the driving unit can be accurately tested, and the consistency of test results can be ensured.

The invention provides a garbage collection testing method and device, electronic equipment and a storage medium, and the method comprises the steps that a garbage collection triggering instruction from an external testing tool is received, and the garbage collection triggering instruction comprises a target identifier of to-be-collected data; in response to the garbage collection triggering instruction, starting garbage data collection operation on a data space corresponding to the target identifier; and after garbage collection is completed, a garbage collection completion signal is returned to the external test tool. By introducing a garbage collection mechanism actively triggered by an external test tool, the problems of uncontrollable test opportunity, limited scene coverage and the like caused by the fact that a traditional storage system GC test depends on internal condition triggering are effectively solved, a tester is allowed to accurately specify a target data space and trigger collection according to needs, and the test efficiency is improved. Redundant time consumption of automatic GC of a passive waiting system in a traditional method is avoided.

The invention provides a satellite-borne router network access test system and a test method thereof. The satellite-borne router network access test system comprises a constellation network node simulation platform, a performance test evaluation platform, an interface protocol conversion device, a constellation service traffic simulator and a network router digital model. Through joint simulation of the virtual nodes and the physical nodes, a simulation test platform can be provided for design and optimization of the satellite-borne router through scene simulation of a complex satellite network environment in a design stage, and the development efficiency is improved; on the other hand, in the product development and system test stage, the full-constellation operation scene can be simulated, the function and the performance of the satellite-borne router can be assessed and verified in the full-constellation scene in the ground environment, the method is particularly suitable for the low-orbit large-scale batch emission large-scale networking scene, the test coverage and the test effectiveness of the product are greatly improved, and the test cost is reduced. Development risks of insufficient verification, delayed verification time and the like before launching are effectively released, and meanwhile, the test verification cost is reduced.

The invention discloses a test system and method for an optical engine module, an evaluation board, a storage medium and a product, and relates to the technical field of communication, and the system comprises the steps: carrying out the active test and passive test of a to-be-tested transmission link which is disposed between a switching assembly and a first connector and is adjustable in electrical interconnection parameter, covering an electrical-optical full link, and carrying out the passive test of the to-be-tested transmission link; active testing is carried out on a to-be-tested transmission link under current electrical interconnection parameters through the switching component to locate a performance critical value, passive performance parameters of a target to-be-tested transmission link under a critical state are measured through the testing component, a critical failure state is accurately associated with physical layer defects, design allowance is conveniently deduced in a reverse mode, and the performance of the to-be-tested transmission link is accurately determined. The interconnection design parameters of the optical engine module are determined based on the parameters, compatibility is improved, the problems of fuzzy performance boundary, unknown design margin and compatibility risk caused by lack of systematic testing in related technologies are solved, and the beneficial effect of providing quantifiable design basis for PCIe optical interconnection channels is achieved.

An entrance system (1) comprising a swing door member (10) having a door leaf (12), and an automatic door operator (30) is provided. The automatic door operator (30) has a motor (34) capable of causing movement of the door member (10), a controller (31) for controlling operation of the motor (34), and the automatic door operator (30) being operable in a testing mode (60) and an operational mode, wherein the controller (31) is configured, in the testing mode (60), to automatically determine at least one test parameter; and causing an action in response to the determined test parameter.

The invention relates to the technical field of intelligent unmanned system testing and credibility evaluation, in particular to an unmanned system robustness evaluation method and system based on a multi-dimensional weight genetic algorithm, and behavior modeling of an unmanned system based on a multi-agent deep reinforcement learning framework is a multi-agent Markov decision process; constructing a lunar surface dynamic multi-domain interference scene; initializing a multi-dimensional evaluation index, including performing feature splicing on unmanned system sensor data, calculating a dimension weight by using an anisotropic RBF kernel, and defining a multi-dimensional robustness loss of a target function; generating an adversarial sample through genetic optimization; virtual-real fusion credibility evaluation is carried out on the unmanned system in the simulation environment and the real environment; and judging whether to terminate iteration according to the convergence condition of the multi-dimensional index, and terminating the iteration when the multi-dimensional index meets the convergence condition. According to the method, the intelligent control vulnerability of the unmanned system in a complex dynamic environment can be effectively identified, and the credibility and the anti-interference capability of the unmanned system in an extreme task are improved.

The invention relates to a machine tool assembly step closed-loop control method based on intelligent vision. The problem that in the prior art, an automatic assembly mode is low in assembly detection precision, and consequently dynamic assembly errors are large is solved. The method comprises the following steps: S1, initializing a system and inputting an area; s2, data acquisition and processing; s3, determining and controlling a working area; s4, verifying and outputting a result; s5, testing and operating the system; s6, ending and feeding back; and S7, terminating the system. The device has the advantages that the reliability of assembly quality is improved, the accuracy of assembly operation is ensured, and the accuracy and stability of machine tool assembly are integrally improved.

The invention discloses an experiment-numerical value-machine learning fusion-based in-oil liquid drop electric field dynamics modeling and regulation method, which comprises the following steps of: firstly, constructing a high-voltage electric field liquid drop experiment system, and testing oil liquid drop experiment data in oil; then establishing a multi-physics field coupling model, and describing deformation and flow field evolution of oil drops in oil under a strong electric field; and finally, constructing a BP neural network and optimizing an initial weight and a threshold value to realize rapid prediction of the deformation behavior of the oil drops in the oil under the action of the electric field. According to the method, an experimental characterization-numerical solution-machine learning optimization three-layer collaborative system is constructed, a whole-process closed loop from physical property determination, equation solution to algorithm prediction is realized, and droplet deformation, charge distribution and interface response are rapidly predicted under the conditions of different electric field intensities, temperatures and emulsifier concentrations; and active control of electric field behaviors can be realized through parameter reverse adjustment, and reliable modeling and optimization basis is provided for an electrowetting chip, a flexible EHD pump and a microfluidic liquid drop regulation and control system.

The invention provides a device, method and system for testing the service life of a surgical cutting instrument, and the method comprises the steps: obtaining the parameter information of the surgical cutting instrument, and the parameter information at least comprises the type information of the surgical cutting instrument; according to the parameter information, each moving assembly is controlled to move according to a preset track corresponding to the parameter information, so that the surgical cutting instrument is driven to cut a to-be-cut sample; in the process that the surgical cutting instrument cuts the sample to be cut, a cutting signal of the surgical cutting instrument is obtained in real time, and whether the moving assemblies are controlled to stop moving or not is determined according to the cutting signal. The test device drives the operation cutting instrument to move, in the cutting, grinding and other processes, the operation cutting instrument moves at a constant speed, the test process is not affected by human factors, errors are small, and the accuracy of the test result can be ensured.

The invention relates to the technical field of metal material performance testing, and particularly discloses a metal material tensile property testing method and device of a small-size cantilever beam, and the testing method comprises the following steps: preparing a cantilever beam sample; installing and loading; and calculating parameters. The test device comprises a clamping seat provided with a clamping groove used for restraining a cantilever beam sample; the cover plate is connected to the clamping seat through a fastener so as to press and fix the cantilever beam sample on the clamping seat; the upper pressure head is used for applying quasi-static displacement loading to the cantilever beam sample; and the distance between the central point of the upper pressure head and the clamping end of the clamping seat is an effective span and is three times of the width B of the cantilever beam sample. Therefore, the problems that in the prior art, performance parameters obtained through small-size cantilever beam testing are single, and the requirement of engineering practice for multi-parameter collaborative evaluation is difficult to meet are solved, meanwhile, the method can be suitable for system testing of small-size cantilever beam samples, and the stability and accuracy of testing results are improved.

The invention discloses an automatic generation method of an intelligent unmanned system city simulation test scene, and relates to the field of simulation scene construction and intelligent unmanned system test.The method comprises the steps that based on terrain boundary parameters, a plurality of rectangular areas with function labels are generated through Poisson disc sampling and a distance gradient algorithm; constructing a navigation grid representing the passable area; arranging a plurality of road intersections by adopting a constrained Poisson sampling algorithm; calculating the heart weight based on each intersection, and calculating the connection strength between the intersections through a gravity model; generating a global road network topology structure by adopting an improved minimum spanning tree algorithm; performing path search by adopting an algorithm A to obtain an optimal path, and automatically generating a road model and ancillary facilities; and extracting road network, road parameters and subsidiary facility information in the generated urban scene, and generating a standardized scene description file according to an OpenDRIVE standard format. And the construction efficiency of the simulation test scene, the test effectiveness and the cross-platform compatibility are improved.

The invention discloses a rotary transformer performance test method and system for an automobile motor, and relates to the technical field of motor performance test.The method comprises the steps that parameter configuration is conducted on a tested rotary transformer; the method comprises the following steps: connecting a rotary transformer with an automobile motor controller and a rotating speed encoder, controlling the tested rotary transformer to operate in a dynamic rotating speed sequence, synchronously acquiring output voltage, transformation ratio error, phase deviation and temperature drift data, and extracting harmonic distortion rate and dynamic response delay characteristics; constructing a performance evolution graph, and updating the excitation voltage and the initial working frequency of the primary winding; and determining a comparison result according to a performance test standard to obtain a performance test report. According to the invention, the technical problem that the performance test of the rotary transformer for the automobile motor is lack of comprehensiveness and accuracy in the prior art is solved, and the technical effects of realizing the system test of the performance of the rotary transformer for the automobile motor, generating the report and improving the comprehensiveness and accuracy of the performance test are achieved.

The invention discloses a test data generation method and device, equipment and a storage medium, and relates to the technical field of computers, and the method comprises the steps: determining a target message protocol file corresponding to a standardized data template corresponding to business transaction data; transmitting the standardized data template to a target message protocol file; when the transmission is completed, performing format conversion on a message protocol in the standardized data template based on a message protocol grammar rule in the target message protocol file to obtain message protocol specification data; and injecting the message protocol specification data into the sending message to generate test data. According to the invention, the message protocol in the standardized data template can be converted into the message protocol specification data based on the message protocol grammar rule, and the message protocol specification data is injected into the sending message to generate the test data, so that the problem that in the prior art, the message system test depends on the technical specification of the message system of manual learning is solved; and the test accuracy is not high.

The invention provides a test system of a direct current charging pile. The test system comprises a programmable load; the I / O controller is connected with one end of the I / O controller after the plugs and the sockets of the different functional units of the direct current charging pile are butted; and the control system is used for outputting a control instruction to the I / O controller, so that the I / O controller outputs a driving signal to the functional units according to the control instruction to respectively perform on / off control. According to the invention, on-off of each function signal can be respectively controlled according to test case requirements, and automatic gun insertion and extraction, automatic card swiping authentication and automatic charging pile off-line and on-line in a charging pile system test process are realized. The system can automatically drive an emergency stop switch and an access control switch, automatically adjust the temperature change of a charging gun, automatically load and adjust the size of a load, and automatically achieve the power supply and outage of a charging pile, and does not need the manual intervention of a tester in the testing process, thereby solving the problem of poor consistency of manual operation, and improving the testing efficiency. And the test efficiency of aging test, repeatability test and the like can be greatly improved.

This application relates to a storage system testing method and apparatus. The method includes: responding to a storage system reliability test request, acquiring reliability test information on the impact of each controller on other controllers and individual reliability test information for each controller under different operating conditions, while simulating different operating conditions for each controller in the storage system; and determining the reliability test result of the storage system based on the individual reliability test information and the impact reliability test information. When conducting reliability testing on the storage system, not only the reliability and stability of individual controllers are considered, but also the impact of one controller's failure on other controllers, i.e., a more comprehensive consideration of factors affecting the reliability of the storage system. This allows for the determination of the storage system's reliability test result through more comprehensive information, thus improving the accuracy of the test result.

The invention discloses an evaluation method, device and equipment for composite material repair consumables and a medium, and relates to the technical field of composite material structure maintenance. A series of controllable disturbance factors are introduced around reference process parameters to simulate actual fluctuation, and the system tests the performance of the repair consumables under non-ideal process conditions, so that the safety boundary of qualified products produced by the repair consumables is determined, and a more comprehensive and practical evaluation system is provided. A process window volume is introduced as an objective and comparable robustness quantitative index, and a process space boundary is efficiently predicted by means of a Gaussian process regression model, so that the problems of high cost and low efficiency of a traditional exhaustion test method are avoided. According to the method, the process robustness for determining the stability of the repair consumables in the actual maintenance environment is converted into the quantifiable and comparable equivalent curing process window and the measurement value thereof, scientific screening of the repair consumables is realized, and the quality risk in actual maintenance operation is remarkably reduced.

A device for measuring in-situ drilling rock hardness based on a high-pressure water pressure head comprises a hydraulic power system, a data acquisition system, a test probe and a push rod, the front end of the push rod is connected with the rear end of the test probe; the hydraulic power system comprises a manual hydraulic plunger pump; the manual hydraulic plunger pump is connected with the test probe through a reversing three-way valve; the data acquisition system comprises a data recorder, a displacement sensor and a pressure sensor, the displacement sensor and the pressure sensor are arranged on the manual hydraulic plunger pump, and the displacement sensor and the pressure sensor are connected with the data recorder through a signal receiver. The device is simple in structure, convenient to operate and capable of measuring the rock strength of different drill holes, different depths and different point positions so as to obtain the distribution condition of the roadway rock strength, the measuring result is close to the on-site rock mass, a water medium is used for pressure transmission, the measuring process is simple, convenient, environment-friendly and safe, errors in the processes of sampling, processing and the like are avoided, and the working efficiency is improved. And the measurement cost is reduced.

The invention relates to a centrifugal nozzle performance test bench capable of being quickly assembled and disassembled. The test bench comprises a nozzle assembling and disassembling mechanism, a height adjusting mechanism, an intelligent regulation and control system, a test platform module and a power supply system, the nozzle loading and unloading mechanism takes a three-jaw chuck as a main body to realize rapid loading and unloading of a centrifugal nozzle; the height adjusting mechanism controls a ball screw to vertically move by rotating a rocker and drives the centrifugal nozzle to synchronously lift; the intelligent regulation and control system realizes closed-loop control of the rotating speed of the nozzle; the test platform module monitors the rotating speed, the flow and the fog drop particle size spectrum in real time; the power supply system supplies power to the test bench through the detachable interface, and continuous work of the system is guaranteed. According to the invention, nozzle rotating speed adjustment, flow calibration and droplet particle size spectrum measurement are integrated, which is beneficial for improving the accuracy of centrifugal nozzle performance test and optimizing the spraying quality; and meanwhile, rapid disassembly and assembly and height adjustment of the tested centrifugal spray head are realized, the efficiency of testing the centrifugal spray head is improved, and the device is particularly suitable for an automatic test scene combined with a Malvern particle size analyzer.

The utility model belongs to the technical field of MEMS (Micro Electro Mechanical System) testing, and particularly relates to an MEMS accelerometer chip vibration testing tool, which comprises an aluminum tool, a testing PCB (Printed Circuit Board) and a testing base, the testing PCB is fixed on the aluminum tool through a screw, the problem of high-frequency vibration distortion caused by the height of the testing PCB is avoided, the testing frequency can be stably improved to more than 80Hz without distortion, and the testing efficiency is improved. In an actual test, the vibration testability is kept good after the frequency is higher than 80 Hz, then the accuracy of a test result is improved, the number of the test bases and the number of the test PCBs are both four, parallel testing of multiple chips is achieved, the test efficiency is remarkably improved, machining grooves in the aluminum tool avoid pins on the test PCBs, and installation interference is avoided; compared with the prior art, the accuracy of a test result is improved.

The application belongs to the field of trusted system testing, and discloses a kind of SIS trusted system booting trusted function test method and system, the application is by automatically constructing test environment and centralized configuration test case on automation test host, so that test process does not need manual setting device parameter one by one, avoid the problem of omission and inconsistency caused by manual configuration, improve the efficiency and accuracy of test preparation stage.In the application, the steps of automatically executing restart, modifying the verification object, restoring the file, etc. are performed by remotely connecting the device under test, which makes the process that originally requires manual repeated operation mechanized and repeatable, thereby reducing the risk of misoperation caused by manual intervention.In terms of trust measurement data collection, the trusted chain and measurement information are automatically sent to the test host after each start of the device under test, and the test host can obtain the complete measurement chain in a timely and systematic manner, avoiding the omission problem that may occur when manually comparing logs and PCR values.

This invention relates to a testing method for an IGBT circuit system, comprising the following steps: applying a pulse signal to a single IGBT transistor; obtaining the current waveform in the overall circuit using a current probe; obtaining the voltage waveforms at locations V1, V2, and V3 of each component using a voltage probe; testing the stray inductance of the bus power supply; testing the stray inductance of the multilayer copper busbar; and testing the total stray inductance of the IGBT module under test. The advantages of this invention are: it can measure the bus capacitance, multilayer copper busbar, and total stray inductance of the IGBT module separately.

A method for testing an electronic system is disclosed. The method comprises: (a) inputting a main test waveform to a main signal path of the electronic system and simultaneously inputting a plurality of sub test waveforms to a plurality of sub signal paths of the electronic system according to a test waveform combination comprising the main test waveform and the plurality of sub test waveforms; (b) obtaining a result waveform corresponding to the step (a); (c) changing the main test waveform or the plurality of sub test waveforms, and repeating the steps (a) and (b) until all the test waveforms of the test waveform combination are tested to obtain a plurality of result waveforms; and (d) determining a combination level of the test waveform combination according to the plurality of result waveforms.

The invention provides a noise testing device and a testing system, and belongs to the technical field of automobile braking system testing. According to the noise testing device, a traditional mechanical elastic element is replaced by a closed load cavity and pressurized gas, and axial counter force is directly generated by compressing gas in the cavity when a transmission part stretches out, so that noise introduced by additional structure friction or spring oscillation is thoroughly eliminated while a simulated load is braked; according to the utility model, the noise detection module is arranged, so that a signal received by the noise detection module only comes from a product to be tested, the purity and reliability of a test result are remarkably improved, and by virtue of the characteristic that the gas pressure is continuously adjustable, the same device can be quickly adapted to different load requirements, the overall structure is simplified, and the maintenance and operation cost is reduced.

The invention relates to a nuclear power plant radiation monitoring system test method and terminal equipment. The method comprises the following steps: establishing communication connection with real equipment; simulating an interaction process with related real equipment according to the spare part to be tested so as to obtain interaction data; determining whether the communication network of the to-be-tested spare part is normal according to the interaction data; when the communication network of the to-be-tested spare part is normal and the to-be-tested spare part is a KRT server, acquiring to-be-tested working data when the to-be-tested spare part is matched with a specified on-site processing display unit; and analyzing the to-be-tested working data to determine the fault condition of the to-be-tested spare part. According to the invention, whether communication networks of spare parts such as an LPDU, a KRT server and a DCS system in a nuclear power plant radiation monitoring system are normal or not can be accurately tested, whether the spare parts of the KRT server have faults or not can be comprehensively and accurately tested, and the safety of a nuclear power plant is improved.