Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

17 results about "Testing reliability" patented technology

A testing reliability is a set of two probabilities, the definition of which varies by field. In medicine, the sensitivity and specificity are conventionally used. In the field of defect detection testing, the probabilities of detection and false call are conventionally used.

Automatic testing method and system for electric energy meter

The invention discloses an automatic test method and system for an electric energy meter, and solves the problems that the electric energy meter is poor in test configuration flexibility, difficult to quickly adapt to different test requirements, poor in test reliability and low in precision, and the method comprises the steps: collecting an existing test flow chart and an editing mode, and carrying out the preprocessing, and taking the collected test flow chart and editing mode as training data; a pre-training language model is adopted as a basic model, and a test knowledge graph is constructed and embedded into a Transform framework; automatically associating a standard error threshold value in the knowledge graph by using an attention mechanism in an encoder of a Transform architecture, adding a knowledge constraint layer in a decoder, and constructing a test scheme automatic generation model; and automatically generating a test scheme by using the test scheme automatic generation model, and carrying out automatic test on the electric energy meter. The configuration flexibility is improved, a user can quickly adapt to different test requirements, the error rate is reduced, the high stability and consistency of a test environment are ensured, and the stability of a test result is improved.
Owner:ZHEJIANG REALLIN ELECTRON CO LTD

Test method and device based on call link identification, medium and computer equipment

According to the test method and device based on call link identification, the medium and the computer equipment provided by the invention, the test environment deployment success event is firstly monitored, and the application mirror image is automatically loaded, so that the consistency of the analysis object and the final operation code is ensured. Then source codes and software packages on which the source codes depend are extracted, and all feasible calling links from each entry class to a target method are comprehensively and accurately identified in combination with a byte code scanning technology, so that omission possibly caused by manual tracing is fundamentally avoided, test cases of multiple service scenes are automatically constructed according to each complete calling link, and the test efficiency is improved. And full-scene verification of the change influence range is realized. Therefore, according to the scheme, the accuracy of call link discovery and the test coverage rate are improved, the human intervention cost is reduced by automatically generating and executing the test case, finally online faults caused by missed test are prevented in the early stage of the test stage, and the test reliability and the test efficiency are improved.
Owner:GUANGZHOU PINWEI SOFTWARE CO LTD

Flowmeter testing method and testing system

The embodiment of the invention discloses a testing method and a testing system for a flow meter. The testing method of the flowmeter is executed by a controller in the testing system of the flowmeter, the testing system comprises a medium supply unit, a gas-liquid mixing unit and the controller, the medium supply unit is communicated with the gas-liquid mixing unit, the medium supply unit is used for providing a gas-phase refrigerant and a liquid-phase refrigerant, and the gas-liquid mixing unit is communicated with the controller. The gas-liquid mixing unit is used for mixing a gas-phase refrigerant and a liquid-phase refrigerant to obtain a gas-phase refrigerant and a liquid-phase refrigerant, and the medium supply unit is electrically connected with the controller; the testing method comprises the steps that the mass flow rate of a gas-phase refrigerant and the mass flow rate of a liquid-phase refrigerant are obtained; according to the mass flow rate of the gas-phase refrigerant and the mass flow rate of the liquid-phase refrigerant, the mass flow rate of the gas-phase refrigerant and the mass flow rate of the liquid-phase refrigerant provided by the medium supply unit are adjusted, and the metering error of the flowmeter to be tested is determined according to the numerical value of the flowmeter to be tested. According to the flow meter testing method and the flow meter testing system provided by the embodiment of the invention, the testing reliability can be improved.
Owner:JIANGSU TUOMILUO ENVIRONMENTAL TEST EQUIP CO LTD

Speed reducer production test test method and system

The invention discloses a speed reducer production test test method and system, and relates to the field of speed reducer performance test. The method is applied to a speed reducer testing system, and comprises the following steps: obtaining a to-be-tested parameter type and a customized working condition of a to-be-tested speed reducer; performing parameter error traceability analysis on the to-be-tested parameter type to obtain various error sources of the to-be-tested parameter type; performing error testing on the to-be-tested speed reducer under a preset orthogonal working condition to obtain an error contribution degree sequence of the to-be-tested speed reducer; testing the to-be-tested parameter type of the to-be-tested speed reducer under the customized working condition to obtain test data of the to-be-tested speed reducer; based on the error contribution degree sequence of the to-be-tested speed reducer, correcting the test data of the to-be-tested speed reducer to obtain corrected test data of the to-be-tested speed reducer; and judging and outputting a test result of the to-be-tested parameter type based on the corrected test data of the to-be-tested speed reducer. Therefore, the qualification test reliability of the miniature speed reducer at present is improved.
Owner:HUBEI SWEITE TRANSMISSION CO LTD

Intelligent test system and intelligent test method for gas meter circuit board

The invention discloses an intelligent test system and an intelligent test method for a gas meter circuit board, and belongs to the technical field of intelligent test of circuit boards. The intelligent test system for the gas meter circuit board comprises an automatic optical detection module which is used for collecting a circuit board image, identifying element missing and polarity errors and outputting a preliminary screening result; the function test module comprises an ICT test unit and a flying probe test unit and is used for performing electrical function and performance test on the circuit board; the control and analysis module is connected with the automatic optical detection module and the function test module and used for controlling the test process and analyzing test data; the data storage module is used for storing test historical data and a fault mode database; according to the invention, the problems of low efficiency, high misjudgment and poor adaptation of a traditional test can be solved, full-process intelligent detection and accurate fault diagnosis are realized, and the test reliability and economical efficiency are improved.
Owner:SHANDONG AONUO INTELLIGENT EQUIPMENT CO LTD

Shell reliability test system under ultrahigh pressure environment based on fluid mediated impact

The invention discloses a system for testing reliability of a shell in an ultrahigh-pressure environment based on fluid mediated impact, and relates to the field of high-pressure testing of deep-sea devices, and the method comprises the following steps: arranging an experimental shell in an ultrahigh-pressure cabin; the impact block is arranged in the ultrahigh pressure cabin and is located on the motion path of the experiment shell; the controller is used for sending a control instruction to the fluid driving module, controlling the fluid driving module to convey a fluid medium and driving the experiment shell to move according to a preset mode, so that the experiment shell collides with the collision block; the data monitoring module is used for monitoring impact response data generated in the impact process of the experiment shell and the impact block; the data monitoring module is also used for sending the impact response data to the controller, so that the controller evaluates the impact resistance of the experimental shell based on the impact response data; therefore, a controllable and measurable impact condition scheme can be applied to a moving shell or a key structure of the deep-sea equipment in a real deep-sea ultrahigh-pressure environment, and the blank of reliability testing of the deep-sea equipment is filled.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST

Multi-chip integrated circuit capable of improving test reliability and test method

The invention provides a multi-core-particle integrated circuit capable of improving test reliability and a test method, the integrated circuit comprises a plurality of core particle units which are stacked and cascaded, each core particle unit at least comprises one core particle, and each core particle comprises a plurality of first test ends and a plurality of second test ends; the test method comprises the following steps: connecting each first test end of a core particle in a preceding-stage core particle unit with a test signal; each first test end of a core particle in a rear-stage core particle unit is connected with a second test end of a core particle in a front-stage core particle unit, so that a plurality of test links capable of transmitting test signals are formed; sending a detection signal to the plurality of test links to determine the connectivity of each test link and the transmission time of the detection signal in each test link; and determining and selecting an optimal test link based on the detection signal transmission time in each test link, and testing the core particles through the optimal test link.
Owner:UNIV OF SCI & TECH OF CHINA +1

System and method for testing reliability of electronic component

The invention discloses a reliability test system and method for an electronic component. The test system comprises a control part, a closed cabin body, a dynamic pressure balancing device, a pressure detection part and a pressure adjusting part. First environment liquid is contained in the closed cabin body; the dynamic pressure balancing device is detachably arranged in the closed cabin body and comprises a cavity for accommodating second environment liquid; and the pressure balance part is fixedly connected with one side of the cavity. The pressure detection part is connected with the closed cabin and the control part, detects current pressure information of the closed cabin and transmits the current pressure information to the control part, and the control part generates a pressure control signal according to the current pressure information and preset target pressure information; one end of the pressure adjusting part is connected with the control part, the other end of the pressure adjusting part is communicated with the closed cabin, and the pressure adjusting part responds to the pressure control signal and controls the pressure of the first environment liquid in the closed cabin; the pressure balancing part adjusts the pressure of the second environment liquid according to the pressure of the first environment liquid.
Owner:TIANJIN DEEPFAR OCEAN TECH

Testing device

The invention provides a testing device which is applied to a touch screen, the touch screen comprises a port, and the testing device comprises a protection structure and a testing tool plate. The protection structure comprises a protection tool plate, the protection tool plate is provided with a discharge channel, the discharge channel is connected with a port of the touch screen and a grounding end, and static electricity of the touch screen is discharged to the grounding end through the discharge channel; and the test tool plate is connected with the port of the touch screen through the discharge channel so as to carry out performance test on the touch screen after static electricity of the touch screen is discharged to the grounding end through the discharge channel. According to the testing device, static electricity of the touch screen can be intercepted and discharged, so that the problems that the static electricity is conducted to the testing tool plate, the testing tool plate is damaged, the testing effect of the testing tool plate is affected, and mistaken testing exists are solved, and the testing reliability and testing accuracy of the testing tool plate are guaranteed.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1

Precise testing method, system, device and medium based on configuration center

The application relates to a configuration center-based accurate testing method, system, device and medium, which comprises the following steps: S1, constructing and confirming a structure level of different configurations; S2, classifying configurations according to the structure level of the configurations, and confirming test points corresponding to different configuration types; S3, obtaining a test range suggestion of different configurations according to the types and the structure level of the configurations; S4, obtaining a test range library according to the test range suggestion of the configurations and the structure level, wherein the test range library stores test scripts corresponding to different configuration types; and S5, obtaining a configuration type of a configuration to be tested in real time, matching corresponding test scripts in the test range library according to the configuration type and the structure level, and testing the configuration to be tested. Compared with the prior art, the application has the advantages of good test reliability and high accuracy.
Owner:SHANGHAI PUDONG DEVELOPMENT BANK

A test instrument for an encoder

The utility model discloses a kind of testing instruments for encoder, it is related to encoder technical field, including fixed frame, tester, encoder, fixed mechanism and adjusting mechanism, fixed mechanism includes servo motor, transmission rod, worm, worm wheel, arc plate, fixed block, clamping plate and buffer assembly, for the centering and flexible clamping of encoder;Adjusting mechanism includes L type frame, adjusting plate, fixed seat, stroke rod, guide rod and spring, for adjusting tester height and realizing quick locking, the utility model is set by fixed mechanism and adjusting mechanism, the problem that existing in clamping process due to contact is easily damaged encoder shell, clamping positioning precision is low, and test interface docking unstable is solved, by the worm worm wheel transmission cooperation elastic buffer of servo drive, realize nondestructive clamping;By spring reset and guide sliding slot cooperation, ensure that tester is stable, docking accurate, improve test reliability and equipment versatility.
Owner:WUXI SANLE PRECISION MASCH MFG CO LTD

Soup component rapid detection method and spectrum analyzer thereof

The invention discloses a rapid detection method for soup components. The rapid detection method comprises the following steps: S1, pretreating a to-be-detected soup; s2, carrying out data acquisition on the preprocessed soup, wherein the data acquisition comprises acquisition of multichannel spectral data, conductivity data and / or temperature data of the soup; s3, according to the multi-channel spectral data, the conductivity data and / or the temperature data, analyzing the soup by adopting a soup analysis model to generate an analysis result; the analysis result comprises a qualitative analysis result and a semi-quantitative analysis result. Laboratory-level preprocessing is not needed, and the method can be used at any time in life scenes; the non-destructive test does not affect the soup quality; the content levels of purine, protein, fat and salinity in the soup can be tested; mutual interference of components on the same characteristics is eliminated by using big data and an AI model; and the difference of the components on different physical quantities is utilized to carry out correction and adjustment, so that the test reliability and accuracy are improved.
Owner:SHENZHEN VISPEK TECH CO LTD

Multifunctional dynamic sealing element ultra-high-speed wide-temperature-range environment frictional wear detection system

The invention discloses a multifunctional dynamic sealing element ultra-high-speed wide-temperature-range environment frictional wear detection system, which can simultaneously simulate multi-physics-field coupled extreme working conditions such as ultra-high-speed rotation, wide temperature range, oil pressure environment and axial / radial mechanical load, and accurately reproduce actual working environments of dynamic sealing elements in high-end equipment such as aero-engines and high-speed trains. Compared with traditional equipment which only carries out single-factor or material-level testing, the consistency of testing data and practical application is remarkably improved, the problem that the deviation between laboratory results and engineering practice is large is effectively solved, the extreme service working condition is truly reproduced, and the testing reliability is improved; according to the invention, three test modules are integrated, namely an end face sealing element test module, a three-valve ring sealing element test module and a circumference sealing element test module, and parts of the modules can be shared; by means of the multifunctional integrated design, the same device can be compatible with performance evaluation of dynamic sealing pieces of different structural forms, the utilization rate of the device is greatly improved, and the research and development cost is reduced.
Owner:LANZHOU ZHONGKE KAIHUA TECH DEV CO LTD +1

An airtightness testing device for casing products

This utility model discloses an airtightness testing device for shell products, including a testing frame, a sealing and tightening assembly, a movable tightening assembly, and a lifting device. The sealing and tightening assembly is installed on a first side plate of the testing frame to seal the cavity opening of the workpiece. The movable tightening assembly is installed on a second side plate of the testing frame to cooperate with the sealing and tightening assembly to fix the workpiece. The first and second side plates are arranged opposite to each other, and the axial center line of the sealing and tightening assembly coincides with the axial center line of the movable tightening assembly. The upper support plate of the testing frame is fixed to the lifting end of the lifting device, and the lifting device controls the up-and-down movement of the testing frame. This utility model achieves high-precision airtightness testing of the workpiece through limiting slot positioning and a bidirectional tightening structure, while utilizing adjustable support and buffer design to improve the adaptability and testing reliability of shells of various specifications.
Owner:CHANGZHOU JINGYI MASCH MFG CO LTD

An automatic ultrasonic testing device for pressure vessels

This invention provides an automatic ultrasonic testing device for pressure vessels, belonging to the field of flaw detection technology. The device consists of a support assembly and a detection assembly. The support assembly includes a bracket, a magnetic wheel, and a tension spring; the detection assembly includes a sensor, a sliding component, and an ultrasonic probe. The bracket has an adjustable tilt angle to adapt to the testing needs of pressure vessels of different diameters. The magnetic wheel is driven by a hub motor and, in conjunction with the tension spring, enables independent obstacle crossing and omnidirectional movement. The device has a built-in main control unit that controls the support assembly through sensor feedback, achieving automatic "Z"-shaped scanning; it drives the sliding component to rotate automatically on the XYZ axes, precisely adjusting the detection angle and position of the ultrasonic probe, enabling online ultrasonic testing or offline analysis. This invention can be widely used in pressure vessel testing operations in industries such as petrochemicals and power energy, and is especially suitable for large storage tanks. It has strong environmental adaptability and testing reliability, greatly improving the efficiency and quality of pressure vessel flaw detection.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Modular permeameter, saturation device, permeation testing system, and permeation testing method

This invention relates to a modular permeameter, a saturation device, a permeation testing system, and a permeation testing method. The modular permeameter includes a base, an upper permeable component, and a vent plate. The upper permeable component and the vent plate are interchangeably connected to the other end of the base, enabling the modular permeameter to have a saturation operating state and a testing operating state. In the testing operating state, the other end of the base of the permeameter is connected to the upper permeable component, and in the saturation operating state, the other end of the base is connected to the vent plate. The vent plate has multiple vent holes, and a sealing ring is fitted onto the vent plate and the sample cylinder. This modular permeameter, through the interchangeability of the vent plate and the upper permeable component, achieves reliable switching of the base between two operating modes, significantly improving the sample saturation efficiency, operational convenience, and testing reliability of the permeameter with almost zero additional cost.
Owner:CHINA ENFI ENG CORP +1

Integrated circuit test data management and control method and system, terminal and medium

The invention provides an integrated circuit test data management and control method and system, a terminal and a medium, and belongs to the technical field of integrated circuit tests.The method comprises the steps that technological parameters and corresponding task parameters of test equipment are collected, and the parameters are classified and aggregated according to feature similarity, task relevance or data distribution; judging the test state of each parameter set by adopting a prediction model, wherein the state can relate to normal / abnormal / fault; and finally, comprehensively analyzing the stability of the test device based on the state data, and carrying out quantitative evaluation through scores, variances or risk levels. According to the method, multi-dimensional aggregation analysis and state prediction of the test data are realized, the controllability of the test process can be effectively improved, abnormal and fault hidden dangers can be found in time, data support is provided for stability evaluation and maintenance decision of test equipment, and the test reliability and the production efficiency are improved.
Owner:SHANDONG XINTONG MICROELECTRONICS TECHNOLOGY CO LTD