630 results about "Test object" patented technology

The invention belongs to the field of hydrogen filling control, relates to a data analysis technology, and aims to solve the problem that control parameter adjustment cannot be performed by combining various basic parameters of a hydrogen filling machine in a hydrogen filling process in the prior art, in particular to a hydrogen filling control method and equipment of the hydrogen filling machine and a storage medium. Comprising the following steps: performing control test on the filling process of the hydrogen adding machine: marking the hydrogen adding machine as a test object, allocating a plurality of groups of test tasks to the test object, allocating a group of control parameters to the test tasks, performing filling control on the test object according to the control parameters, and executing the test tasks; dynamic optimization control over the hydrogen filling process of the hydrogen filling machine is achieved, and the system can automatically adjust the filling parameters according to different environments and equipment states by establishing association between the basic parameters and the control parameters; according to the method, the fluctuation of the cold load of the heat exchanger is effectively reduced, and the nonlinear cumulative effect of the temperature rise of the storage tank is reduced.

Proposed are a test device and a manufacturing method of the test device capable of testing a test object that is provided with an electrode which has a size and / or a pitch distance ranging from 1 to 100 micrometers (μm).

The invention relates to a measuring arrangement for the interferometric determination of the surface shape of a test object, wherein a test wave generated from electromagnetic radiation and reflected at the test object can be superimposed with a reference wave not reflected at the test object, with a reference element (110, 210, 310, 410) having a reference surface (112, 212, 312, 412) which, in the optical beam path, splits off the reference wave from the test wave before it strikes the test object (120, 220, 320, 420) by reflection, and at least one beam shaping surface (111, 211, 311, 411, 413, 414) located in the optical beam path in front of the reference surface, wherein this beam shaping surface is designed as an aspherical distortion correction surface such that a distortion occurring in a predetermined reference plane of the measuring arrangement is reduced. The invention further relates to a method for manufacturing an optical element for such a measuring arrangement.

The invention relates to a self-adaptive control method, system and device for environment test equipment, and the method comprises the following steps: S1, data collection: collecting environment detection data and data of a corresponding actuator according to a to-be-controlled physical quantity; s2, selecting or constructing a control object according to the physical quantity to be controlled; s3, performing online identification operation when an identification condition is met, otherwise, directly executing the step S4; s4, feedforward and feedback: calculating feedforward compensation and feedback compensation according to the value of the to-be-estimated quantity, and superposing the feedforward compensation and the feedback compensation to obtain a control instruction; and S5, performing constraint allocation on the actuator: performing saturation constraint processing on the control instruction to obtain a control quantity of the corresponding actuator. Joint online identification can be carried out on the to-be-estimated quantity only through perturbation excitation; different loads and test object states are automatically adapted; saturation constraint processing is adopted; the model and the algorithm are low in calculation amount, and precision, speed and engineering realizability are considered.

The invention discloses a fusion device magnet coil copper conductor nondestructive testing method and a computer product, and relates to the technical field of nondestructive testing, the method comprises the following steps: obtaining original eddy current testing signals of a to-be-tested object or a plurality of areas of the to-be-tested object under specific physical conditions; preprocessing the original eddy current detection signal, wherein the preprocessing comprises denoising and signal correction; extracting features from the preprocessed signals and carrying out normalization processing; on the basis of a pre-established multi-parameter model related to the physical conditions of the to-be-tested object, theoretical signals of the to-be-tested object under various physical conditions are predicted through finite element simulation; and performing matching estimation on the normalized signal and a theoretical signal to obtain an estimated signal, and evaluating the defect existence probability based on the estimated signal. Based on an eddy current testing technology, a probe scans a sample and obtains a signal, and a finite element analysis method is combined to simulate and evaluate defects such as cracks possibly existing in a material.

Systems and methods are directed toward low temperature testing of motion, vibration, or force responses of test fixtures. For cryogenic shock testing, a test object can be secured on a test apparatus, such as a test fixture of a shock table. An elongated enclosure, such as a flexible tube, can be connected between the test fixture and a laser vibrometer, positioned orthogonal to a surface normal at a test region of the test fixture to enable light emitted by the vibrometer to be reflected from the test region back to the vibrometer. A flow of purge gas can be introduced into the tube, proximate the test fixture, to direct moisture away from the test fixture. The flow can prevent condensation or ice from forming on the surface of the test fixture at the cryogenic temperature. A shock event can be simulated, and the response of the test region measured by the laser vibrometer. The impact of the shock event on the test object can then be observed.

The invention provides a gap nonlinear control surface flutter wind tunnel test system and method based on steering engine excitation. The system comprises a wind tunnel test section, a test object and a parameter-adjustable excitation mechanism outside a wind tunnel field, wherein the parameter-adjustable excitation mechanism is composed of a transverse clamping mechanism, a longitudinal supporting mechanism, an excitation system and an angle sensor. The excitation system comprises a steering engine, a steering engine rocker arm and a connecting rod, one end of a spring rod is fixed to the longitudinal supporting mechanism, and the other end is in clearance fit with the connecting rod. By adjusting the effective length of the spring rod, the fit clearance and the excitation of the steering engine, the clearance nonlinear rigidity applied to the test control surface can be changed. In a wind tunnel test, an angle sensor is used for collecting rudder shaft rotation angular displacement response in real time, excitation-response characteristic testing before and after flutter occurs is achieved, and the influence rule of gap nonlinear parameters on rudder surface dynamic characteristics is effectively studied. The test principle is simple, and a new way is provided for excitation-response characteristic measurement of the full-motion control surface under different gap nonlinear rigidities.

The invention relates to an interferometric testing arrangement for testing the surface shape of a test object, comprising a lighting device (105, 205, 305) for generating an input wave from electromagnetic radiation produced by a light source and an interferometer (150) in which, after splitting the input wave into at least one test wave directed towards the test object (170) and a reference wave, testing the surface shape of at least a partial surface of the test object (170) can be carried out by interferometric superposition of the at least one test wave and the reference wave, wherein a diffuser (130, 230, 330) is arranged in the lighting device, wherein the lighting device has a first optical path (110, 210, 310) and a separate second optical path (120, 220, 320), and wherein the input wave is transmitted via both the first optical path (110, 210, 310) and the second optical path (120, 220, 320). 220,320) can be coupled into the interferometer (150).

The invention relates to the technical field of online material performance test instruments, and discloses a sensor pulse pressure fatigue test closed-loop control system based on signal drift compensation, which comprises a load excitation execution module, a signal feedback acquisition module and a closed-loop control logic module, the closed-loop control logic module selects a phase-locked characteristic observation window by calculating a load first-order derivative, extracts a dynamic gain coefficient reflecting the response characteristic of a controlled test object in the observation window, and inputs the dynamic gain coefficient into a filter to generate a characteristic variable; the variable is compared with the standard response envelope line, the deviation is calculated, the compensation factor is calculated and superposed to the driving instruction, the real-time correction of the output gain is realized, and through the identification and active compensation of the signal drift, the sensing deviation caused by the structural degradation of the sensitive component is effectively eliminated, and the sensing consistency of the test process is maintained.

The invention discloses a ship intelligent navigation digital simulation method and system, and relates to the technical field of intelligent navigation and digital simulation, and the method comprises the following steps: 1, receiving a test task submitted by a user, the test task comprising task basic information, tested object information and scene configuration information; 2, calling a digital simulation model based on the scene configuration information, wherein the digital simulation model comprises a ship dynamics model, an environment model and a navigation algorithm model; 3, executing a test task, and collecting ship motion data, environment data and decision control data in real time in a simulation process; 4, processing and analyzing the collected data, and generating a test evaluation report; and 5, displaying the simulation process and result in real time through a visualization module.

The invention provides a test auxiliary system and method, electronic equipment and a computer readable storage medium. The test auxiliary system comprises a linear movement module, an image acquisition module, a processing module and a test fixture, the image acquisition module is arranged on the linear moving module, the control end of the linear moving module is connected with the output end of the processing module, and the output end of the image acquisition module is connected with the input end of the processing module. The linear movement module is arranged to drive the image acquisition module to move, so that the movement control of the image acquisition module can be realized, and the position of the target test fixture where the target test object is located is determined, so that the image acquisition module can be moved to the positions of the fixtures in sequence; the barcode information of a plurality of target test objects can be quickly scanned, and the scanning efficiency of the barcode information is improved. And meanwhile, the problem of bar code input errors caused by manual work is avoided.

The present invention relates to a measuring apparatus (10) for measuring the interference shape of the surface (12) of a test object (14-1; 14-2), the measuring apparatus comprising: a diffractive optical element (26-1; 26-2) for generating a test wave (28) from a measurement radiation (18) that has been radiated into the test object, the test wave being configured to radiate onto the surface of the test object; a deflection element (22) upstream of the diffractive optical element in the beam path of the measurement radiation; and a holding device (24, 124) for holding the deflection element, the holding device being configured to change the position of the deflection element (22) by a combination of tilting motion and translational motion.

A concurrently measuring multiple light input spectrometer with a shared or common optical path is described. The spectrometer can help eliminates errors from dark offsets, can reduce impact of ambient optical and electrical noise, and can mitigate temperature effects. Additionally, it can help readily provide wavelength calibration. By using just two inputs, spectrometer can provide true spectral measurement of the test object by continuous measurement of the spectra of the source and the spectra of the source light after interacting with the test object. More generally, including an individual photodetector (instead of an array of multiple photodetectors) associated with each input can help address solving the problems that may get introduced by using multiple photodetectors for a particular input.

In a method for training a neural network for detecting an object, geometric dimensions of a test object from an object class are captured, and during a time period, recordings of the test object are generated by a plurality of cameras. From the captured geometric dimensions and the generated recordings, occupancy maps are generated. By a radar device, a radar signal is transmitted, and a radar signal reflected by the test object is received. The transmitted radar signal and the received radar signal are mixed into a complex baseband to form a mixed signal. A complex four-dimensional mixed spectrum of the mixed signal is calculated. From the complex four-dimensional mixed spectrum, a first complex two-dimensional partial spectrum and a second complex two-dimensional partial spectrum are calculated. The occupancy maps and the partial spectra are fusioned to form training data. The training data are fed to the neural network.

The invention belongs to the technical field of electronic product testing, and discloses a clamping device and a clamping device using method. The clamping device comprises a bearing assembly and an abutting plate, the bearing assembly comprises a bearing piece, an elastic piece and a bottom plate, the elastic piece is arranged between the bottom plate and the bearing piece, a bearing face is arranged on the side, away from the bottom plate, of the bearing piece, and a connecting through hole is formed in the bearing face; the supporting piece can move between a testing position and a separating position relative to the bottom plate in the first direction, the elastic piece is configured to drive the supporting piece to be stopped at the separating position, the testing connector is located between the supporting piece and the bottom plate, and when the supporting piece is located at the testing position, a connector of the testing connector extends out of the supporting face through the connecting penetrating hole; the pressing plate is used for pressing the to-be-tested object placed on the supporting member along the first direction. The clamping device can prevent the connector of the test connector from being collided and scratched with the to-be-tested object, so that the test connector and the to-be-tested object are effectively protected.

The invention relates to the technical field of automatic testing, and discloses a test case execution method and device, equipment and a medium, and the method comprises the steps: obtaining a target test case for testing a test object, and carrying out instruction framework matching on any test step in the target test case to obtain an instruction information framework of any test step; performing test parameter query according to the instruction information framework, and performing test instruction assembly according to a query result of the test parameter query to obtain a test execution instruction for executing any test step; and testing the test object based on the test execution instruction to obtain test result data of the test object based on any test step. The method has the beneficial effects that the test parameters used for testing are inquired by utilizing the instruction information framework matched with the target test case, so that the complete test execution instruction is assembled and used for testing, decoupling management of the test case and the test parameters is realized, and the expandability and universality of the test case are improved.

The invention relates to a projection unit (110) for projecting a test pattern (140). Using the test pattern (140), the sharpness properties of an optical test object (X) can be tested. The projection unit (110) comprises a diffractive optical element shaped to generate a plurality of virtual test objects (142, 143) as the test pattern (140) in response to different excitation light (125, 135) coupled into the projection unit (110) simultaneously from one or more light sources (120, 130). Different of the test objects (142, 143) are arranged in different focal planes and at different solid angles from the perspective of the test object (X).

This invention relates to the technical field of rubber hardness testers, and particularly to a high-precision, fixed-load portable rubber hardness tester, comprising: an outer casing with a mounting shaft coaxially disposed within it; a housing, the lower part of which is axially movable and accommodated within the outer casing; a main shaft axially movable within the housing, one end of which is provided with an indenter; a force-measuring spring assembly acting on the main shaft to provide the main test force for pressing the indenter into the test object; and an indenter foot connected to the lower end of the mounting shaft via a stud, through which the indenter passes. This high-precision, fixed-load portable rubber hardness tester eliminates uneven hand pressure and instrument tilting problems through its fixed-load spring structure. Combined with linear guidance and high-precision displacement detection, it significantly improves the accuracy and repeatability of rubber hardness measurement. Furthermore, it features strong structural adaptability, simple operation, and balances portability with testing stability.

The embodiment of the present application discloses a kind of test method and related device of storage chip, it is related to integrated circuit technical field, can test multiple types of storage chip, effectively expand the applicable scope of test object, to greatly reduce test cost.The method comprises: according to the pin type of the preset chip pin in the storage chip to be measured, the data transmission pin of test machine is configured, so that the data transmission pin is adapted to signal transmission with the preset chip pin;Wherein, the pin type includes control class, and the preset chip pin of the control class is used to transmit control class signal;The test machine is used to test the storage chip to be measured.The present application is applicable to the test of storage chip.

This application relates to the technical field of voltage regulation function testing for power banks. It discloses a voltage regulation function simulation testing system and method. This application constructs a voltage regulation function simulation testing system including a simulation clock and a simulation cycle counter. At the software level, it directly simulates the passage of time and the accumulation of charge-discharge cycles during long-term battery use based on user-configured test parameters. The core algorithm layer uses simulation time and / or the number of simulated full-charge cycles to simulate the charging voltage of the power bank over time and the accumulation of charge-discharge cycles, thus completing the voltage regulation function simulation test of the power bank. This method of completing the voltage regulation function simulation test of a power bank through software simulation algorithms greatly reduces the physical testing time required without changing the physical testing environment or replacing the tested object. This significantly shortens the testing cycle while ensuring the test results accurately reflect real-world usage scenarios and have high reliability.

The present invention relates to sampling kits for the collection, storage and transport of a tissue sample of a test subject. The kit comprises a sampling tool having a tip section configured to collect the tissue sample. The collected tissue sample may be directly retained and stored in the tip section or may be transferred onto a tape element and stored thereon.

This invention relates to a photoacoustic diagnostic apparatus and method for measuring blood glucose levels by measuring morphological changes in a membrane caused by sound waves. More specifically, it relates to a photoacoustic diagnostic apparatus and method for adjusting the frequency response of the diagnostic apparatus by adjusting the size of the membrane. According to an embodiment of the invention, the photoacoustic diagnostic apparatus includes: a light source for irradiating a test object with light to emit sound; a plurality of pickup units, each equipped with a membrane that undergoes morphological changes due to the sound; and a measuring unit for measuring the morphological changes of the membrane. The membranes of the plurality of pickup units may have different sizes.

This invention discloses an autonomous driving testing method, apparatus, device, and storage medium, relating to the field of autonomous driving technology. The method includes: acquiring a scenario configuration file for autonomous driving testing; parsing behavior execution information from the scenario configuration file; performing content transformation on the behavior execution information to obtain target behavior execution information, wherein the depth of the behavior tree structure indicated by the target behavior execution information is less than the depth of the behavior tree structure indicated by the behavior execution information; constructing a scenario behavior tree for the test scenario according to the target behavior execution information; parsing the candidate parameter space of the tested object and the test scenario from the scenario configuration file, the candidate parameter space including all parameters used to implement autonomous driving testing; filtering parameters in the candidate parameter space based on the test task of autonomous driving testing to obtain a target parameter space; and executing autonomous driving testing according to the scenario behavior tree and the target parameter space. This invention can improve the efficiency of autonomous driving testing.

The present application provides an image processing method, device and storage medium, comprising: acquiring a to-be-tested image of each to-be-tested object in a plurality of same to-be-tested objects, acquiring a definition difference value between a first target region of a first to-be-tested image and a second target region of a second to-be-tested image, acquiring a target parameter according to the definition difference value, and if the target parameter is greater than a target threshold, determining that the first target region and / or the second target region is an image blur region. The present application compares the definition difference value between the target regions at the same position in different to-be-tested images to determine the image blur region, automatically determines the image blur region, improves the identification efficiency of the image blur region, avoids image blur judgment errors caused by background color difference, improves the accuracy of image blur region determination, and the identified image blur region can be subsequently adjusted smoothly to achieve clear detection.

To condition an operating medium in a test object circuit (PK) of a test object (P) on a test bench to a desired temperature as quickly as possible, the invention proposes providing a mixing unit (3), there being provided, in the mixing unit (3), a mixing region (28) in which operating medium of the test object circuit (PK) can be mixed with preconditioned operating medium from a conditioning circuit (KK) in order to condition the operating medium in the test object circuit (PK) to the predefined setpoint temperature (T_SOLL), there being provided, on the mixing unit (3), for the fluidic integration of the mixing unit (3) in the test object circuit (PK), at least one test object circuit supply connection (26a) and at least one test object circuit outlet connection (26b) which are fluidically connected to one another via the mixing region (28) in order to form a part of the test object circuit (PK), there being provided, on the mixing unit (3), for connection of the mixing unit (3) to a conditioning unit (2) of the conditioning system (1), at least one conditioning unit supply connection (27a) and at least one conditioning unit return connection (27b) which are fluidically connected to one another via the mixing region (28) in order to form a part of the conditioning circuit (KK) for the operating medium.

The application discloses an automatic driving continuous testing method based on an adversarial attack, takes end-to-end automatic driving software as a testing object, takes a picture as an input, outputs a deflection angle for controlling a virtual car, sets a billboard area in the input picture as a testing area, sets an expected driving track as a testing target, positions a current position of the testing object, calculates an expected deflection angle of the testing object based on the testing target, positions the testing area in the input, adds Gaussian disturbance noise to simulate the influence of environmental factors, calculates a gradient about the input picture, updates the input of the testing object based on a sub-gradient iteration, extracts and uses affine transformation and interpolation transformation to convert the testing area image into a billboard size, inputs the testing area image into a virtual camera, and finally outputs the testing area image to the billboard in a testing scene, and completes the continuous testing based on feedback information and control information. The application improves the robustness and safety of automatic driving software based on machine learning and deep learning.

The invention provides an integration test method and device, equipment, a medium and a product, and relates to the technical field of automatic testing, and the specific technical scheme is as follows: obtaining an action library corresponding to a test object of an integration test service, and screening a target action from test actions in the interface test dimension, the file test dimension, the database test dimension and the script test dimension of the action library, and generating a test case based on the target action. And performing collection processing according to the test case and a preset case to obtain a test task, and running the integrated test task based on the execution dependency relationship to obtain an integrated test result of the test object. According to the method, on one hand, the action library comprises the test actions under multiple test dimensions, and the test applicability is wider; and on the other hand, based on the execution dependency relationship, the integration test task is automatically operated, the integration test result of the test object is obtained, manual intervention on triggering and sequence control between cases is not needed, automatic test is achieved, and the test efficiency is improved.

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

This utility model discloses a support and acoustic testing system used inside an anechoic chamber. The support includes a telescopic rod, a linkage mechanism, and a tray. The telescopic rod has a fixed rod and a movable rod that are slidably engaged. One end of the fixed rod is provided with a fixing part for fixed connection with the side wall of the anechoic chamber. The linkage mechanism includes a guide rod fixedly connected to the movable rod, a swing rod hinged to the guide rod, and a push rod diagonally supported between the guide rod and the swing rod. One end of the push rod is hinged to the swing rod, and the other end is hinged to a slider slidably disposed on the guide rod. The slider is provided with a locking element for locking the slider. The tray is used to place the test object for acoustic testing, and the bottom of the tray is connected to the swing rod. The support of this utility model can easily adjust the position of the test object inside the anechoic chamber, thereby improving the efficiency of acoustic testing.

An object of the present invention is to provide a cover film in which chips during cutting are unlikely to be generated, voids during bonding to a substrate using an enclosing solution are unlikely to be generated, and adhesiveness with the substrate is excellent. The cover film of the present invention is used for covering a test subject on a substrate, the cover film including a support and a polymer layer containing a polymer, in which a fracture toughness value of the polymer layer is 0.2 MPa·m0.5 or more, an in-plane retardation of the support at a wavelength of 590 nm is 1,000 nm or less, and a requirement regarding a dissolution rate of the polymer layer in xylene and a requirement regarding a viscosity of a xylene solution of the polymer layer are satisfied.