23 results about "Threshold test" patented technology

The invention relates to the technical field of energy-saving door and window machining, and particularly discloses an energy-saving door and window machining manipulator device which comprises a manipulator, a first guide rod, a recording mechanism and a clamping jaw. The recording mechanism is arranged at the top end of the right side of the mechanical arm, and the clamping jaw is arranged at the right end of the recording mechanism. The device effectively overcomes the defect that a traditional detection method cannot quantitatively evaluate the wear process of the sliding rail, can accurately record the change rule of the friction characteristic of the sliding rail under different opening and closing times, visually reflects the wear critical point through the fluctuation characteristic of the corrugated line, and can accurately predict the failure threshold value of a hardware system. Test data not only reveals the corresponding relation between sliding rail abrasion and opening and closing times, but also can provide a scientific basis for optimizing hardware material pairing and improving a lubricating scheme, the durability design level of energy-saving door and window products is remarkably improved, the technology span from passive detection to active prediction is achieved, and the method is suitable for popularization and application. And a durability test result has a higher engineering guidance value.

The invention discloses a method for testing the service life of a high-repetition-frequency multi-pulse optical thin film, and the method comprises the steps: determining the range of the total irradiation pulse number of a damage threshold test through finding out the inflection point pulse number of which the damage threshold of a thin film element tends to be stable under high repetition frequency, and providing a basis for the acceleration of service life prediction; in the irradiation pulse number range, the relation between the damage threshold stable value and the repetition frequency is fitted, a thin film life prediction mechanism under the high repetition frequency is established, and the energy density allowed by stable operation of the element under other repetition frequencies can be obtained through calculation. The method is of great significance in improving the service life testing efficiency and accuracy of the optical element.

In some implementations, a test device may initiate a set of measurements by a set of sensors of the test device and of a device under test (DUT), wherein the DUT is a memory device. The test device may obtain the set of measurements of the DUT from the set of sensors based on initiating the set of measurements. The test device may analyze the set of measurements of the DUT, using a first model, to identify one or more defects present with the DUT. The test device may determine, using a second model, that the one or more defects present with the DUT satisfy a failure threshold. The test device may provide, based on the failure threshold being satisfied for the DUT, an output indicating that the failure threshold is satisfied for the DUT.

The present invention relates to a method for testing the uniaxial creep threshold of a metal material, comprising: step 1, setting a nominal stress and performing a creep test on the metal material sample based on the nominal stress; step 2, if the creep strain within a preset time is greater than 1 / 10,000, reducing the nominal stress and re-performing the creep test for the preset time using a new sample; and re-performing step 2 or step 3; step 3, if the creep strain within the preset time is less than or equal to 1 / 10,000, increasing the nominal stress and continuing the creep test for the same preset time until the creep strain within the preset time is greater than 1 / 10,000, and then stopping the test; and step 4, obtaining the creep threshold of the sample. The present invention can quickly measure the uniaxial creep threshold of a metal material, saving testing costs.

The invention discloses an intelligent self-service pure tone threshold test method and device and a medium, and relates to the technical field of threshold test, and the method comprises the steps: executing a pure tone threshold test process based on an information gain selection mechanism according to the recognition difficulty level in noise, the matching degree score and a pure tone threshold test starting strategy, the key pressing behavior of the testee is judged in real time in combination with the personal operation rhythm template, the hearing threshold estimation result of each frequency band and the corresponding uncertainty index and behavior event mark are output, and fixed-point deviation correction complementary measurement and weight correction are carried out based on the hearing threshold estimation result of each frequency band, the uncertainty index and the behavior event mark; obtaining a final hearing threshold result and an overall credibility grade; by establishing the candidate test set and introducing the pure tone threshold measurement process based on the information gain selection mechanism, the dynamic adjustment of the test path according to the hearing threshold estimation result and the uncertainty index of each frequency band is realized, and the test efficiency and the result stability are improved.

The invention relates to a sensory and quantitative synergetic olfactory threshold testing device and method, and the device comprises a container isolated from the outside; the odor dissipation pipe is connected into the container and provided with odor dissipation holes, and the numerical value of the distance between each odor dissipation hole and the container is marked at the position of each odor dissipation hole; during testing, water body classification is preliminarily judged through sense organs and is a first numerical value; according to the first numerical value, the required length of the odor dissipation pipe 3 is determined; recording the value identification of the smell dissipation hole where the slight smell is located as a second value; and integrating the first numerical value and the second numerical value into a final sniffing value. The method provided by the invention is applied to a scheme of sensory and quantitative cooperative olfactory threshold testing, judgment improvement and quantitative evaluation in quantitative analysis of olfactory smell (olfactory threshold method), and is beneficial to execution of a sensory judgment method required in national standards. The subjectivity of testers is reduced, and a test standard is established, so that the test is more objective and accurate.

The invention discloses a method, a device and equipment for predicting single-particle latch-up resistance, relates to the technical field of integrated circuits, and aims to solve the problem that an existing single-particle latch-up resistance prediction method depends on a single-particle latch-up irradiation test with high cost and long period. The method comprises the following steps: acquiring latch characteristic data of a target process node; according to the process parameter combination, performing electric latch simulation and single-particle latch simulation on the CMOS standard unit to obtain an electric latch threshold simulation value and a single-particle latch threshold simulation value; constructing an electric latch function and a single particle latch function; based on the electric latch threshold test value and the electric latch function, determining a target solution of the process parameter combination by adopting an optimization method; and determining a predicted value of the single-particle latch-up threshold according to the target solution and the single-particle latch-up function. The method for predicting the single-particle latch-up resistance capability provided by the invention can be used for predicting the single-particle latch-up resistance capability of the integrated circuit without depending on a single-particle latch-up irradiation experiment.

The invention relates to the technical field of equipment inspection, and discloses an in-ear hearing protector suitability inspection method and system, and the method comprises the steps: debugging suitability inspection equipment, and setting various parameters required for testing; after the testee wears the test earmuffs, the sound calibrator is used for carrying out sound calibration on the left microphone and the right microphone; under the state that the hearing protector is not worn, sequentially outputting test signals based on a preset mode and a preset frequency, dynamically adjusting the signal intensity according to the subjective response of a tester, recording each sound pressure level, and calculating a naked ear hearing threshold; the testee correctly wears the to-be-tested hearing protector, the hearing threshold testing process is repeated, the sound pressure level is recorded, and the ear blockage hearing threshold is calculated; comparing the naked ear hearing threshold with the blocked ear hearing threshold, judging whether protection is qualified or not according to a preset standard, automatically generating an evaluation report containing all test data and conclusions, and realizing on-site rapid and accurate evaluation of the personal sound attenuation value of the hearing protector through non-intrusive subjective hearing threshold comparison.

The application provides a systematic method for improving traffic flow data quality, belongs to the technical field of traffic flow data processing, and is used for solving the technical problem of low traffic flow data repairing precision of the prior art. The method is a set of methods for improving data quality designed for different application conditions of traffic flow data, including identification of abnormal data and selection of repairing methods; abnormal data is screened out through data integrity test, variance test, combination test, threshold test and zero value test by combining online and offline traffic data, and then the data is repaired through the time and space correlation of the data; the application screens abnormal data through multiple methods, overcomes the problem of incomplete data screening in single threshold test, simultaneously uses combination test, considers the relationship between traffic flow parameters, selects appropriate data repairing methods according to the characteristics of abnormal data, improves the precision of data repairing, and thus improves the overall quality of traffic flow data.

The application belongs to the technical field of switching power supply, and provides a current threshold test circuit and method of power switch, the test circuit comprising a driving circuit, a comparator, a reverse driver, a first power switch and a second power switch connected with the driving circuit respectively; the output ends of the first power switch and the second power switch are connected to form a switching node, the switching node is connected with the negative input end of the comparator, the positive input end of the comparator is connected with a reference voltage, the output end is connected with the input end of the reverse driver, and the output end of the reverse driver is connected with the gate of the second power switch to form a closed loop. The comparator and the reverse driver are configured as an operational amplifier, the current limit threshold test is changed from dynamic test to static test, the threshold measurement accuracy and the measurement speed are greatly improved, the test efficiency is improved, sudden shutdown of the power tube under large current condition is avoided, and damage to the device and the automatic test machine is reduced.

The application discloses a kind of optical element laser damage growth threshold testing device and method, the application is based on the modulation of incident spot after damage and transmittance, the light field modulation and energy loss effect neglected in traditional test method due to damage are analyzed, the functional damage growth threshold in the damage growth process of optical element is obtained, so as to avoid the evaluation of traditional test method, only considering damage area growth, and ignoring the influence of damage on element device and the functional influence of element itself, the testing device and test method of the application not only improve test precision, but also provide a new evaluation system for optical element damage threshold test in high-power laser device, and provide more corresponding damage information.

The invention provides a hearing test method, hearing test equipment and a computer readable storage medium. According to the hearing test system and the hearing test method, remote professional hearing test personnel are allowed to control the hearing test equipment through remote connection, so that a subject can complete hearing threshold test with specific test precision through an efficient and convenient hearing test process in the hearing test system in a common living environment. According to the remote online hearing test mode, the accessibility and convenience of hearing evaluation are greatly improved, testees can receive accurate pure tone hearing tests at home or in other common environments without going to professional medical institutions, and therefore more testees can find and intervene hearing problems in time, and the test efficiency is improved. And further deterioration of hearing of the subject is avoided. In addition, the hearing threshold test precision can be ensured, the test duration is greatly shortened, the accessibility and convenience of hearing evaluation are greatly improved, and various defects of a traditional test mode are effectively overcome.

The invention relates to a test system, a temperature control method thereof and a control device. The temperature control method comprises the steps of obtaining a test set temperature and a preset temperature threshold value of a test station, and determining whether a control valve is in an open state or a cut-off state based on the test set temperature and the preset temperature threshold value of the test station; when the control valve is in the open state, the actual test temperature of the test station and the first set temperature and the first actual temperature of the first station are obtained; if the actual test temperature reaches the set test temperature and the first actual temperature reaches the first set temperature, acquiring a test heating duty ratio and a test duty ratio threshold value of the test heating module; if the test heating duty ratio is smaller than the test duty ratio threshold value, the control valve is adjusted to enable the test heating duty ratio to be larger than or equal to the test duty ratio threshold value; and if the test heating duty ratio is greater than or equal to the test duty ratio threshold value, the test station and the first station enter a working state.

The invention relates to a rock material mechanical property testing technology, in particular to a rock-like material uniaxial compression relaxation stress threshold value testing method and device, which adopts a multi-stage stress loading and single sample continuous testing mode, and adopts fixed short-time observation in combination with an objectively determined stress relaxation rate threshold value criterion to test the rock-like material uniaxial compression relaxation stress threshold value. The rock-like material uniaxial compression relaxation stress threshold value is rapidly and accurately measured, the test period of a traditional complete relaxation curve measuring method is remarkably shortened, and meanwhile the reliability and repeatability of a test result are kept.

The application discloses a false positive reaction determination method in automatic pure tone hearing threshold test, and the method comprises the following steps: obtaining the reaction time range of the target tester by conducting a hearing threshold familiar test on the target tester; sequentially selecting a set hearing threshold test value to conduct a hearing threshold formal test on the target tester to obtain the reaction time corresponding to the current hearing threshold test value; judging the reaction time corresponding to the current hearing threshold test value based on the reaction time range; and adjusting the test process according to the judgment result. The application can obtain the normal reaction time range of the target tester by conducting a familiar test on the target tester, and provide data judgment support in the subsequent test process. In the subsequent test process, the target tester can be accurately judged whether to have a false positive reaction by judging and adjusting the test process, so that the test efficiency is improved and the reliability of the test result is increased.

The invention discloses an automatic fault prediction method and system for a PCBA board, and relates to the technical field of fault prediction, and the automatic fault prediction method comprises the steps: carrying out the electrical test of the PCBA board through an electrical test module, recording test data, and carrying out the analysis and processing of the test data through a data analysis module; pHM feature vectors are constructed based on test data through a PHM analysis module, a prediction model is input, the prediction model predicts the future fault probability of the PCBA board based on historical data, if the output future fault probability of the PCBA board is larger than a set threshold value, the test board gives an alarm and waits for manual taking out for processing, and otherwise, the PCBA board continues to be tested; by adopting the method, the future fault probability can be predicted by testing and analyzing the PCBA board, and more potential fault products are prevented from flowing into the market.

In some implementations, a test device may initiate a set of measurements by a set of sensors of the test device and of a device under test (DUT), wherein the DUT is a memory device. The test device may obtain the set of measurements of the DUT from the set of sensors based on initiating the set of measurements. The test device may analyze the set of measurements of the DUT, using a first model, to identify one or more defects present with the DUT. The test device may determine, using a second model, that the one or more defects present with the DUT satisfy a failure threshold. The test device may provide, based on the failure threshold being satisfied for the DUT, an output indicating that the failure threshold is satisfied for the DUT.

The invention relates to the technical field of electronic circuits, and discloses an enabling fault threshold test method, device and equipment and a storage medium, and the method comprises the steps: selecting a to-be-tested bridge arm and a to-be-tested phase from a power module to construct a power module test loop; initializing a test environment of a power module test loop and carrying out enabling fault detection to obtain a phase enabling fault threshold value; judging whether the current bridge arm completes all phase tests or not to obtain a phase test judgment result; if the phase test judgment result is completion, obtaining a bridge arm enabling fault threshold according to all phase enabling fault thresholds of the selected bridge arm; the systematic test of the enabling fault threshold in the development stage of the power module is realized through a bridge arm and phase hierarchical selection mechanism, independent test loop construction, differential power supply configuration, voltage scanning detection and the like.

Methods, systems, and techniques for right-sizing resource requests for applications in a dynamically scalable computing environment. In one aspect, a method comprises monitoring resource usage of at least one computer resource by an application executing on a computer system, and monitoring resource requests for the computer resource(s) associated with the application. The method further comprises determining, for the computer resource(s), a resource usage upper bound associated with the application, testing the resource usage upper bound against at least one threshold, determining, from the testing, a resource request adjustment, and dynamically applying the resource request adjustment to the resource requests for the computer resource(s) associated with the application.

The invention discloses a micro-deformation adjusting and controlling method for nitrocarburizing treatment of an insert needle cylinder. The micro-deformation adjusting and controlling method comprises the steps of system construction, wide threshold value testing, narrow threshold value testing, autonomous learning and production verification. According to the method, a mode of combining a production system and an auxiliary calculation system is adopted, the concentration of H2 is controlled by adopting ammonium carbamate pre-decomposition, and a hard constraint is set to be embedded into an optimization algorithm, so that quality control is changed into beforehand prevention; the method integrates an autonomous learning model, accumulates data through a wide / narrow threshold test, establishes an accurate mapping relation between process input parameters and process output parameters, and realizes precise control of heat treatment micro-deformation through an optimization algorithm; according to the method, traditional experience trial and error are changed into data-driven optimization, so that the test times are remarkably reduced; according to the method, an adjustable weight coefficient is introduced into a loss function, so that the method has customized production capacity; the method continuously improves the production precision and the application range through the model feedback iteration data.

The application discloses a false negative reaction determination method in automatic pure tone hearing threshold test, and the method comprises the following steps: obtaining initial hearing threshold test values of a target tester at multiple frequencies in a normal test process, wherein the initial hearing threshold test values comprise frequencies and sound intensities; selecting a set frequency and adjusting the sound intensity based on the initial hearing threshold test value at the set frequency; performing secondary test on the target tester according to the adjusted sound intensity to obtain second hearing threshold test values; comparing the initial hearing threshold test values with the second hearing threshold test values to obtain test difference values of the sound intensities between the initial hearing threshold test values and the second hearing threshold test values; and adjusting the test process according to the test difference values until the test result of the target tester is determined as a false negative reaction or the test is ended. The application can identify whether the target tester has a false negative reaction through the automatic test process, and the test process is adjusted according to the reaction of the target tester, so that the accuracy and reliability of the test are improved.

The application provides a data processing method for corrosion fatigue test, a storage medium and an electronic device, and the data processing method comprises the following steps: S1: acquiring crack tip opening displacement variation-crack length data groups of a first stage and a second stage and a third stage in a corrosion fatigue crack propagation test, respectively; S2: inverting the first stage data; S3: performing data translation correction; S4: fusing and fitting all-stage data; the corrected first stage data group (Delta delta, a1'') and the second stage and third stage data group (Delta delta, a2) are combined to obtain a (Delta delta, a) data group of the corrosion fatigue crack propagation of all stages, and a Delta delta-a relationship model is fitted. The application is aimed at the problem that the Delta delta-a decrease in the K reduction method threshold test is inconsistent with the actual crack propagation increase law of marine engineering, the first stage data is inverted symmetrically and translationally corrected, the all-stage Delta delta-a data is monotonously increased and connected, and the application can be used for the corrosion fatigue full life evaluation of marine engineering structures.

The present invention provides a capacitance threshold test method, device and electronic equipment, which are applied to a host computer connected to a solid-state hard disk, wherein the solid-state hard disk includes a controller and a capacitance module connected in sequence; the method includes: sending a first command to the controller to cause the controller to control the capacitance module to discharge according to an initial first preset discharge time, controlling the solid-state hard disk to power off after discharge, and when the power-off state is reached, verifying the data of the solid-state hard disk to determine whether the data of the solid-state hard disk is complete, and then starting from the initial first preset discharge time, adjusting the initial first preset discharge time according to a downward trend or an upward trend until a target first preset discharge time is determined; judging whether the capacitance threshold can ensure the integrity of the data of the solid-state hard disk based on the residual capacitance of the capacitance module corresponding to the target first preset discharge time and a pre-acquired deviation value of the capacitance module. This method can reduce testing costs and improve efficiency and convenience.