291 results about "Test region" patented technology

The invention relates to the technical field of measurement and testing, in particular to a leakage detection method and system for transformer oil tank production, and the method comprises the steps: dividing a to-be-detected oil tank into a plurality of test regions; determining an ideal net pressure attenuation rate by using the average pressure drop rate, the pressure change rate corresponding to the temperature change and the volume change amount of the oil tank cavity in the target time period in the target test area; determining a pressure attenuation deviation degree by using the ideal net pressure attenuation rate and the actually measured net pressure attenuation rate; determining an acoustic activity weight by using the acoustic activity degree of the acoustic signal in the acoustic event and the background noise average energy of the plurality of test areas in the acoustic event; and determining a regional leakage comprehensive index by using the acoustic activity weight and the pressure attenuation deviation degree, and further determining the leakage detection condition of the oil tank by using the regional leakage comprehensive index. According to the technical scheme, the accuracy and reliability of leakage detection are effectively improved, environment temperature interference is effectively eliminated, and background noise changes are dynamically adapted.

The invention discloses a method and a device for detecting the bonding strength of a coating, and belongs to the technical field of coating detection. The method for detecting the bonding strength of the coating comprises the following steps: respectively bombarding test areas of a plurality of samples to be detected by adopting first laser according to different control parameters; the method comprises the following steps: detecting the falling degree of a coating in a test area of each to-be-tested sample from a substrate, and judging whether the falling degree reaches a set degree or not; taking the control parameter of the first laser corresponding to the to-be-detected sample with the falling degree reaching the set degree as a critical control parameter; and controlling the first laser to bombard a coating area of a to-be-tested product with the same model as the to-be-tested sample according to the critical control parameter, and evaluating the coating bonding strength of the to-be-tested product according to the surface appearance of the to-be-tested product. The coating bonding strength can be measured without contact with the coating, matrix damage is avoided, detection precision and detection efficiency can be improved, manual intervention is reduced, cost is reduced, and environmental pollution is avoided.

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 discloses a large model driven automatic driving limit scene test method based on vehicle and road cloud collaboration, and relates to the technical field of automatic driving, and the method comprises the steps: a vehicle end and a road side unit cooperatively collect the vehicle state and surrounding environment data, the road side unit carries out the quantitative representation of the dynamic attribute of a traffic flow, and recognizes a potential risk fragment; triggering the potential risk fragment to be uploaded to the cloud; the cloud performs structured reconstruction on the uploaded potential risk fragment data to generate a parameterized basic test scene; inputting the parameterized basic test scene into the trained large model, adjusting the coupling relationship among key scene parameters, and generating a limit test scene for exposing the performance boundary of the automatic driving decision planning module; and issuing the limit test scene to a road side unit of the target test area, and injecting scene information into the test vehicle by the road side unit. According to the method, the limitation of a traditional test method in the aspects of complex coupling scene generation efficiency and boundary exploration depth is solved.

The invention provides an actual road emission testing method and electronic equipment, and relates to the technical field of road emission testing. According to the method, the travel track of the vehicle trip chain with the highest score can be selected from a plurality of vehicle trip chains to serve as a simulation route for simulating an actual road emission test. In this way, the vehicle trip chain with the highest similarity between the average driving speed corresponding to the natural environment condition and the road type of each road section and the target test area can be obtained. Furthermore, the actual road emission test can be performed on the simulated route. If the actual road emission test on the simulation route fails, the simulation area is close to the vehicle production site, so that adjustment can be directly carried out in the vehicle production site nearby, the cost is low, and the time is saved; and after the test succeeds, the success rate of putting the vehicle into the target test area for actual road emission test is high, and the vehicle does not need to return to a vehicle production place for adjustment.

The invention relates to a measuring device (22) for inline measurement of the adhesion strength of a coating (16) of an electrode (12), comprising two deflecting rollers (28) and a measuring roller (30), which are aligned with their respective central axes parallel to each other, wherein the measuring roller (30) is configured to be moved in a lateral direction (32) perpendicular to a longitudinal extension direction of the central axes relative to the deflecting rollers (28), wherein the deflecting rollers (28) are configured to be positioned against the same side of the electrode (12) and the measuring roller (30) is configured to be positioned against the other side of the electrode (12), whereby by moving the measuring roller (30) the electrode (12) can be positioned around the measuring roller (30), whereby the electrode (12) has a bend in a test area defined by a radius of the measuring roller (30), and comprising an optical defect detection device (34).which is designed to optically detect and evaluate the area of ​​the electrode (12) to be tested.

The utility model provides a human body scale four-corner measurement value deviation automatic testing machine. The human body scale four-corner measurement value deviation automatic testing machine comprises a rack, a conveying belt, a centering device and a weight loading device. The conveying belt is used for automatically conveying a to-be-tested human body scale into a test area; the centering device accurately controls the movement of a first positioning plate, a second positioning plate, an X-axis positioning rod and a Y-axis positioning rod, so as to achieve the centering and positioning of the human body scale. The weight loading device accurately controls the weights to load the weights with different weights on the four corners of the human body scale through the cooperative work of the second X-axis driving assembly and the second Y-axis driving assembly, detects the weight output value of the human body scale in real time, and compares the weight output value with the actual weight of the weights, thereby accurately measuring the deviation of the measured values of the four corners of the human body scale. The device has the advantages of high test precision, fast test speed, simple operation and the like, can automatically, accurately and efficiently detect the deviation of the four-corner measured values of the human body scale, and meets the test requirements of different models of human body scales.

The application discloses a precise satellite navigation data processing method, device and equipment and a storage medium. The method comprises the following steps: acquiring reference station data corresponding to a plurality of reference stations in a target test area, wherein the target test area is pre-set; calling a preset carrier phase observation model to process the reference station data corresponding to the plurality of reference stations respectively to obtain phase bias data corresponding to the plurality of reference stations, wherein the phase bias data is used for representing phase delay error, satellite orbit error and satellite clock error; and performing fusion processing on the phase bias data to obtain target area phase bias. The application calculates the phase bias data by using the reference stations in a specific area, so that the satellite ephemeris error is fused in the phase bias data of the satellite, the phase bias data can resist the error from the satellite orbit in the use process of a PPP-RTK server, and the positioning accuracy of the PPP-RTK server is improved.

The application discloses a kind of air pressure-temperature-damage coupling's flexible material air tightness test system and method, test system includes tensile fatigue device, sample holder, high-pressure permeation device, fixed support device and holder, the two ends of sample are fixed by sample holder, first fixed in tensile fatigue device to carry out cyclic tension test with sample holder, to obtain the sample with different fatigue damage degree;Through holder, the sample after cyclic tension is transferred and fixed on fixed support device, so that the center test area of sample is located in the high-pressure sealed box permeation region formed by upper box assembly and lower box assembly in high-pressure permeation device, so as to carry out air tightness detection under different temperature and different air pressure, to obtain the gas permeation rate and gas permeation coefficient of sample, realize the overall evaluation of flexible material air tightness and fatigue resistance.

The invention relates to the technical field of down jacket performance detection, and provides a down jacket fabric windproof performance detection device and method.The down jacket fabric windproof performance detection device comprises a detection box, a test cylinder is arranged in the detection box, a material carrying piece used for containing sample fabric is arranged on the test cylinder, and the detection device further comprises a circumferential pulling assembly; a material pressing assembly for pressing and fixing a sample fabric testing area and an air blower for simulating air blowing are arranged in the detection box; an elastic film is arranged in the test cylinder, a communicated transparent tube is arranged on a cylinder section, between the bottom of the detection box and the elastic film, of the test cylinder, and a liquid column is arranged in the transparent tube; after the sample fabric is laid on the testing cylinder and the material loading piece, the sample fabric is uniformly pulled in the circumferential direction through the circumferential pulling assembly so that a sample fabric testing area can be flat, then the sample fabric testing area is pressed and fixed through the material pressing assembly, the sample fabric fixing efficiency is effectively improved, and meanwhile the accuracy of a detection result is guaranteed.

The invention is a method and computer system for determining one or more parameters quantitatively characterising the interaction between an antigen and an antibody. The method comprises producing a test region carrying an antigen that produces a first luminescence spectrum, bringing into contact with the test region a sample solution comprising an antibody that forms a complex with the antigen and produces a second luminescence spectrum different from the first luminescence spectrum, recording an image (30) or images of the test region with a digital imaging device, producing a 2D histogram (40) from intensity values of the image (30), performing curve fitting on the points of the 2D histogram (40), and determining the one or more parameters by means of the fitted curve.

A drug testing platform for simulating a lung environment includes a microfluidic chip and a stretching device. The microfluidic chip defines a microfluidic channel structure. The microfluidic channel structure includes a test unit, a cell shunt unit and a drug shunt unit. The stretching device is configured to stretch and contract the test unit in a manner of a reciprocal motion, thereby making degree of deformation of a plurality of test area of the test unit to be same during the reciprocal motion. The drug testing platform for simulating the lung environment according to the present disclosure may configure an environment that simulates a breathing motion of a human lung, and obtain multiple results within a single test.

The invention discloses a crawler excavator driving speed and driving linearity detection system and method, and the system comprises a target plate group, a laser displacement sensor, a microcontroller MCU and a Phyphox mobile phone terminal special test software, the target plate group comprises target plates A, B and C which are sequentially arranged along a preset driving route, the center lines of the three target plates are collinear and are parallel to the initial advancing direction of the excavator; the detection axis of the laser displacement sensor is orthogonal to the advancing direction of the excavator, and the horizontal distance between the excavator and the target plate is collected in real time; the MCU is used for acquisition, preprocessing, operation and data communication of signals of the laser displacement sensor; the Phyphox mobile phone end special test software establishes communication with the microcontroller MCU through Bluetooth to process detection data, synchronous detection of the driving speed and linearity is achieved, and the test efficiency is improved; whether the excavator is in a constant-speed driving state on a test road section or not is accurately judged, and the requirement that the driving speed of the excavator in a test area is constant is met.

The invention provides a chip test system and a chip test method, and in the chip test system, a test machine is used for loading a to-be-tested chip and carrying out a crimping test on the to-be-tested chip. When the to-be-measured chip is in compression joint with the pressing arm, the temperature sensing channel unit of the temperature sensing module carries out temperature sensing measurement on the corresponding to-be-measured area to obtain temperature information, and each temperature adjusting unit of the temperature control module is in contact with the corresponding to-be-measured area. And the temperature adjusting unit is used for receiving the temperature adjusting signal of the corresponding temperature control channel unit and adjusting the temperature of the corresponding to-be-tested area according to the temperature adjusting signal of the temperature control channel unit, so that the temperature of the to-be-tested area is in a target test temperature range. Thus, on the premise that the pressure is not changed, multi-channel independent temperature control and setting of the test area can be achieved, efficient active temperature control is achieved, and uneven temperature caused by uneven heat dissipation can be avoided.

A route planning method, apparatus, electronic device, and computer-readable storage medium are disclosed. The method includes: determining route constraint information for a test area and a test route; dividing the test area into regions to obtain a first sub-region; determining a second sub-region and points of interest (POIs) traversed by the test route based on the route constraint information of the test route and the first sub-region; determining waypoints traversed by the test route based on the POIs of the second sub-region; determining the traversal order of the waypoints based on the location information of the second sub-region or the location information of the waypoints; and generating the test route based on the waypoints and the traversal order. This disclosure can improve the efficiency of urban generalization testing of intelligent driving systems.

Embodiments herein provide a method and system for a vicarious calibration of optical data from satellite sensors for urban scene flat fields. Identifying test sites automatically in the urban scene helps in vicarious calibration or on-board calibration of the hyperspectral / multispectral image. An internal average relative reflectance is calculated to get a relative reflectance of the image. Band ratios for various pixels is determined to assess flatness of the spectrum. Flat field candidates are identified from the various pixels having average band ratio nearing zero and a morphological technique is applied to determine a flat field. Finally, the image is calibrated vicariously based on the determined flat field as a test site. The on-board calibration of the remote sensing image may lead to a faster way to get the reflectance image of the scene, with the help of the calibration constants.

A variable temperature test system and an operation method thereof are provided. The variable temperature test system includes a main control device, multiple test devices, and a variable temperature test platform. The variable temperature test platform is coupled to the main control device and the test devices. The main control device provides an adjustment parameter according to at least one pending test. The variable temperature test platform includes multiple test areas, multiple temperature sensors, and a temperature control module. The test areas are respectively coupled to the test devices. The temperature sensors are respectively disposed in the test areas. The temperature control module is coupled to the test areas. The temperature control module adjusts a temperature of at least one test area according to the adjustment parameter.

The invention provides a disposable device for testing an analyte in a vaginal secretion, and the device includes: a smooth rod body configured to enter the vagina, where a test area is arranged on the smooth rod body, and the test area protrudes from a surface of the smooth rod body, such that when the smooth rod body enters the vagina, the protruding test area is capable to contact or receive a vaginal secretion to test a property of the vaginal secretion.

The invention relates to the technical field of data processing, in particular to a pharmaceutical production whole-process quality tracing method and system applying a block chain technology, and the method comprises the steps: obtaining a liquid matrix composed of pixel values of a liquid region in an injection bottle; obtaining an effective test region in the liquid matrix by using a region growth method; processing the pixel value of the effective test area to obtain an enhanced matrix; training a recognition network to recognize impurity types in the enhancement matrix; acquiring an enhanced matrix in the production process, and identifying whether impurity types exist or not by using the trained identification network; and in response to the existence of the impurity type, prompting related personnel to perform quality inspection on the corresponding production process. The method has the effects of improving the drug detection accuracy and providing a reliable data basis for subsequent drug traceability.

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 present application relates to the field of measurement and testing, and relates to a kind of leakage detection method and system for transformer oil tank production, comprising: the oil tank to be measured is divided into multiple test areas;The pressure drop average rate of oil tank cavity in target time period, the pressure change rate corresponding to temperature change of target test area and the volume change amount are used to determine ideal net pressure decay rate;Ideal net pressure decay rate and measured net pressure decay rate are used to determine pressure decay deviation;The acoustic activity degree of acoustic signal in acoustic event and the background noise average energy of multiple test areas in the acoustic event are used to determine acoustic activity weight;Acoustic activity weight, pressure decay deviation are used to determine regional leakage comprehensive index, and then the leakage detection condition of oil tank is determined using regional leakage comprehensive index;The technical scheme of the present application effectively improves the accuracy and reliability of leakage detection, effectively eliminates environmental temperature interference and dynamically adapts to background noise change.

The application discloses a stability test method, device, equipment and storage medium of a DRAM particle. The method comprises the following steps: restarting a test system for a preset number of times, executing a preset test strategy in a universal boot loader stage of each test system starting process, the preset test strategy comprising the following steps: enabling a CPU cache, and configuring the CPU to access the DRAM particle in a non-burst transmission mode; based on hardware configuration information of the DRAM particle, allocating at least two test areas in an address space of the DRAM particle; traversing each working frequency supported by the test system, testing the read-write stability of the DRAM particle in direct read-write under each working frequency based on the at least two test areas, and testing the read-write stability of the DRAM particle after the test system enters a sleep mode and wakes up under each working frequency. The application has the technical effect of providing sufficient test pressure by using the CPU cache and avoiding external interference after the system is completely started, and effectively improves the comprehensiveness and accuracy of the DRAM particle stability test.

The present disclosure provides a display panel including a display area in which subpixels are disposed, and a non-display area outside of the display area in which an image is not displayed, and a display device including the display panel and a driving circuit configured to drive the display panel. The non-display area includes a test area in which a plurality of test transistors are disposed that correspond to a plurality of transistors included in the subpixels. An operating characteristic of the test transistors is detected which is representative of an operating characteristic of the transistors included in the subpixels.

An apparatus and a method for testing an electronic device are provided. The apparatus comprises: a test board having a device placement region, a test region, and at least one signaling route; a test socket operably mounted on the test board, wherein the test socket comprises a socket body, and contact pins vertically extending through the socket body and movable vertically relative to the socket body; a calibration socket lid for mounting the test socket on the test board to press the plurality of contact pins against the test board but expose at least one target contact pin, such that a measurement result is generated by measuring an electrical characteristic associated with one of the at least one signaling route; and a device socket lid for mounting the test socket on the test board to press the contact pins against the test board.

To provide a slide glass capable of performing staining without peeling off a specimen when performing the staining by using an automatic staining device.SOLUTION: According to the present invention, there is provided a slide glass including a test region including an outer region and a smear region, in which the outer region is formed by performing an antifouling process on the slide glass, the smear region is shaped by being surrounded by the outer region and includes a specimen dropping portion and a staining liquid dropping portion, and the specimen dropping portion and the staining liquid dropping portion are arranged at different positions in the smear region.SELECTED DRAWING: None

Embodiments of the present application disclose a circuit board visual detection method, device and equipment, and a storage medium, which are used for visual detection equipment. The circuit board visual detection method comprises the following steps: receiving a test instruction; in response to the test instruction, detecting the current material weight in a test area by a weight detection mechanism, the test area being used for placing at least one material tray containing a circuit board to be tested; determining a target height corresponding to the current material weight according to a preset mapping relationship between the material weight and the reference height; controlling a height adjustment mechanism to drive a camera mechanism to perform lifting processing, so that the camera mechanism is lifted to the target height; controlling the camera mechanism to perform shooting processing on the test area to obtain a target image; and performing visual detection processing of the target image to detect the circuit board defects. The technical problem of low accuracy and reliability of the circuit board defect detection can be solved, and the accuracy and reliability of the circuit board defect detection can be improved.

The utility model discloses a platform for a pipeline flow comparison test, which comprises a water supply regulation and control area positioned in the middle, and a first test area and a second test area positioned on two sides of the water supply regulation and control area, and the first test area and the second test area are respectively connected with the water supply regulation and control area in the middle. The platform for the pipeline flow comparison test can accurately test the flow of the pipeline under the condition of the same pressure, on one hand, the independent flow of two different pipelines under the condition of the same pressure can be simultaneously compared and tested, and the independent flow of the two pipelines can be compared and tested by providing the same water pressure and circulating pump gears; on the other hand, the flow of two different pipelines under the same pressure parallel connection condition can be compared and tested, and the parallel connection flow of the two pipelines is compared and tested through the same pump and the same water pressure of the two pipelines.

The invention discloses a skin high and low temperature simulation test method and system, and relates to the technical field of skin tests.The technical scheme is characterized by comprising the following steps that a target test skin area with smooth plane characteristics is marked as a smooth surface test area; marking the target test skin area with the texture concave-convex features as a texture surface test area; processing the historical test data corresponding to the smooth surface test area to obtain a first feature influence coefficient, and processing the historical test data corresponding to the texture surface test area to obtain a second feature influence coefficient; processing the initial skin physiological parameter detection data according to the first feature influence coefficient and then outputting first test feedback information; according to the second feature influence coefficient and the average temperature difference change value of the texture surface test area, a first physiological parameter compensation error value is obtained, and the effect is that the accuracy of skin physiological parameter detection is improved.

The invention relates to the technical field of engineering testing, and discloses a geotechnical engineering simulation testing system. The data acquisition module is used for acquiring multi-dimensional geological data of a test area; the model coupling module is used for dynamically coupling the geological three-dimensional model and the test area into a geological twinborn model; the simulation test module is used for applying test factors to the steady-state area and the sensitive area; the model prediction module is used for predicting a simulation state through a regional geological prediction model; the test analysis module is used for determining a simulation test grade and generating a simulation test report; according to the method, analysis resources of a simulation test can be focused on the sensitive area with higher risk according to the difference of mechanical properties and risk levels in the steady-state area and the sensitive area, so that the evaluation depth of the safety and reliability of the sensitive area in geotechnical engineering is improved, excessive resource consumption in the stable area is avoided, and the safety and reliability of the sensitive area in geotechnical engineering are improved. Therefore, the efficiency and the pertinence of the whole simulation test are obviously improved.

This invention discloses a continuous conductivity testing bench for lubricating grease and its testing method. The test bench includes a grease pump, a conductive base plate, a heating module, and an upper conductive plate. It can continuously measure the dynamic conductivity of the lubricating grease before and after breakdown and before and after blockage at a preset temperature, calculate the average conductivity during the continuous thickness change process, and conclude that the grease thickness is different when breakdown and blockage occur. It obtains the accurate values ​​of the grease thickness in the test area corresponding to each breakdown and blockage. In the blockage analysis, the volume of the grease to be injected into the test area is calculated by integration. Based on the instantaneous volume flow rate detected by the elliptical gear flow meter, the actual volume of the grease to be injected into the test area is calculated, and the flow rate of the grease pump is adjusted to ensure that the difference between the volume of the grease to be injected into the test area and the actual volume of the grease injected into the test area is within a preset range. This avoids the pressure changes caused by insufficient grease thickness or excessive grease affecting the test accuracy.