20results about How to "Reduce test steps" patented technology

The invention discloses a storage chip energy consumption test method and device based on multi-objective optimization. The method comprises the following steps: S1, initializing a test environment; s2, setting a multi-objective optimization model and a fuzzy logic system; s3, constructing an initial test data set; s4, calculating the membership degree of each test target; s5, generating a group of initial optimization parameter combinations; s6, dynamically adjusting the test parameters on the basis of the initial optimization parameter combination; s7, generating an optimized test parameter combination; s8, repeating the steps S6 and S7 until a preset optimization convergence condition is reached, and generating a final test parameter combination; s9, obtaining final test result data; and S10, analyzing the final test result data, comprehensively evaluating the performance of each test target through a fuzzy logic system, and generating a multi-target optimization test report of the storage chip. According to the method, the problems of multi-target test balance, test process optimization and balance between efficiency and accuracy in the prior art are effectively solved.

The invention belongs to the technical field of display screen production detection, and discloses a screen performance testing device for display screen production, which comprises a base, a rack is fixedly mounted at the top end of the base, a darkroom is fixedly mounted at the top end of the rack, and a through groove is formed in the rear end of the darkroom. A detection camera is fixedly installed in the middle of the top end of the darkroom, the shooting end of the detection camera penetrates through the top end of the darkroom and is located in the darkroom, and a movable plate is arranged between the darkroom and the base. By controlling the lifting of the movable plate and linking the limiting assembly, the limiting and clamping process of the display screen can be automatically completed through the limiting assembly while the lifting of the movable plate is realized, and meanwhile, the display screen can be automatically fed into the darkroom, that is, the display screen can be fed into a test environment while the limiting and clamping are completed; manual observation testing is not needed, testing steps are reduced, the device can rapidly test a single display screen, and the overall testing efficiency is improved.

The invention discloses a loading device for a corner cold bending test of hollow laminated glass, and relates to the technical field of test loading devices. Comprising an adapter base, a mounting frame is mounted on the adapter base, a nut lifting type lifter is mounted at the position, close to the adapter base, of the mounting frame, a lead screw lifting type lifter is mounted on the mounting frame, and the lead screw lifting type lifter is detachably connected with a pressure sensor. The lower side of the pressure sensor is detachably connected with a floating connector, the lower side of the floating connector is detachably connected with a mounting shell, and annularly-distributed main supporting rods and annularly-distributed secondary supporting rods are slidably connected into the mounting shell in a limited mode. The size of the loading area is changed by changing the size of the area defined by the main supporting rods and the secondary supporting rods, different loading blocks do not need to be replaced for multiple times, the time needed by the test is saved, meanwhile, the test steps are reduced, and the test efficiency is improved.

The invention provides a quality detection method for mRNA capping rate and PolyA distribution. The quality detection method comprises the following steps: a) mixing mRNA to be detected, a capping rate analysis probe and a PolyA distribution analysis probe to obtain an mRNA-probe structure; b) carrying out enzyme digestion on the mRNA-probe structure by using thermal stable RNase H enzyme to obtain a 5'enzyme digestion fragment and a 3 'enzyme digestion fragment; and c) detecting the 5 '-enzyme digestion fragment and the 3'-enzyme digestion fragment by using liquid chromatography-mass spectrometry, obtaining the capping rate from the 5 '-enzyme digestion fragment, obtaining the PolyA distribution condition from the 3'-enzyme digestion fragment, and realizing simultaneous detection of the 5 '-capping rate and the 3' Poly A. The method can solve the problems of many steps and long time required by detection of the capping rate and the PolyA distribution of mRNA in the prior art, and is suitable for the field of mRNA quality detection.

The present invention provides a cryogenic motor low-temperature working condition testing device and method, which relate to the field of motor testing, wherein the device comprises: a structure acquisition module, used to acquire structural information of a cryogenic motor to be tested; a working condition determination module, used to determine at least one test working condition and a test item corresponding to each test working condition based on the structural information of the cryogenic motor to be tested; an environment simulation module, used to establish a simulated test environment corresponding to each test working condition according to the test working condition; a data acquisition module, used to acquire test data of the cryogenic motor to be tested in the simulated test environment and the test item corresponding to the test working condition for each test working condition; a data analysis module, used to analyze the performance of the cryogenic motor to be tested according to the test data of the cryogenic motor to be tested in the simulated test environment and the test item corresponding to each test working condition, which has the advantage of improving the accuracy of the cryogenic motor low-temperature working condition test.

The invention discloses a temperature environment construction method and system for chip test calibration, and relates to the technical field of chip test processing, and the method comprises the steps: S1, test memory bank statistics, S2, chip prior test data preprocessing, S3, test environment construction temperature interval acquisition, and S4, temperature environment cooperative adjustment construction. According to the invention, pertinent analysis of prior data is carried out on the to-be-tested memory bank, and the test environment of the to-be-tested memory bank is obtained to construct the temperature interval, so that the problem that the temperature environment setting is too one-sidedness when the memory bank is tested at present is effectively solved; according to the method, the characteristic of inconsistency of the actual application performance of the memory bank can be fully considered, so that the situation that whether the temperature of the memory bank reaches a set value or not is singly sensed and judged is avoided, complex temperature environment conditions can be accurately simulated, and powerful data support guarantee is provided for the accuracy of a test result.

The invention relates to the technical field of aging tests, and discloses a test device and method for accelerating material aging through multi-environmental factor coupling, and the test device for accelerating material aging through multi-environmental factor coupling comprises a test box body which is used for providing an aging degree test environment; the illumination system is mounted in the test box body and is used for providing irradiation for the test box body; the salt mist system is connected to one side of the test box body through a pipeline and is used for spraying salt mist into the test box body; and the gas mixing system is connected to one side of the test box body through a pipeline and is used for guiding various gases into the test box body. By adopting the multi-factor coupling material aging system, the combined action of multiple factors in a service environment is simulated, the process of a multi-factor coupling aging test is accelerated, the test steps are simplified, the test period is greatly shortened, the manual labor is reduced, and the system closely combines a salt fog factor with other environmental factors.

The invention relates to a test cabin system for a crash test and a working method, the test cabin system collects temperature and humidity in a test cabin through a sensor, inputs collected signals to a central processing unit, sets temperature and humidity values required by the test, and the central processing unit compares and judges the collected signals with the set values, so that the test cabin system is started. Corresponding working instructions are sent to the humidity adjusting system and the air conditioning system, and the temperature and the humidity are kept constant at set values of the remote control handle: the smoke camera shoots a picture and provides the picture to the image processing system to identify the state around the vehicle, and an analysis signal is transmitted to the central processing unit; when the central processing unit judges that a fire occurs, a working instruction is sent to the spraying system and the exhaust system; and a working instruction is sent to the sound-light alarm unit to warn field workers that special situations occur in the test chamber at the moment. The system can quickly meet test requirements, manual monitoring and adjustment are not needed, test normalization and safety are improved, and life and property safety of people is guaranteed.

The invention relates to the technical field of server board testing, and discloses a multi-mode compatibility testing device for an HSBP backplane and a PCIE Switch board, comprising a machine platform, an operating platform at the machine platform, a detection component, an HSBP carrier board component and a PCIE Switch carrier board component at the operating platform, the detection component is electrically connected to the HSBP carrier board component and the PCIE Switch carrier board component respectively, the HSBP carrier board component comprises an HSBP clamping plate, the PCIE Switch carrier board component comprises a PCIE Switch clamping plate, the HSBP clamping plate and the PCIE Switch clamping plate are separately arranged, the HSBP clamping plate is vertically arranged at the operating platform, the PCIE Switch clamping plate is horizontally arranged at the operating platform, a positioning column for fixing an external docking connector is arranged on one side of the PCIE Switch clamping plate, and an open clamping surface of the HSBP clamping plate abuts against a side of the PCIE Switch clamping plate provided with the positioning column.

The utility model discloses an impermeability instrument test piece automatic loading and unloading sealing test cavity device which comprises a test loading cavity, an inner groove body is arranged in the test loading cavity, the inner groove body in the test loading cavity forms a material groove for an impermeability test, a loading and unloading pipe is arranged above the test loading cavity, and a sealing ring is arranged on a circle of a port part of the loading and unloading pipe. Four side fixing bases are fixedly installed at the four corners of the outer portion of the loading and unloading pipe and are circumferentially distributed at equal intervals through the center circle point of the loading and unloading pipe, a guide supporting rod is fixedly installed on the upper surface of each side fixing base, and an upper top plate is fixedly installed among the top ends of the four guide supporting rods. According to the utility model, the practical use effect of automatic port sealing and opening is achieved in the practical use process, the test loading cavity can be opened and sealed according to different impermeability test requirements, the test diversity is better, and the use requirements of different test processes are met.

The invention discloses an application program publishing method and system, a medium and a terminal, relates to the technical field of Internet, and mainly aims to solve the problems that when existing application programs of the same type are published, the application program publishing efficiency is low and the application program publishing efficiency is poor due to long code rewriting time consumption. And the problem of poor stability of the application program caused by a new program bug existing in the new code is solved. Comprising the steps of obtaining an original source code of a published application program and an update resource file of a to-be-published application program; performing name path confusion processing on the updated resource file based on a preset mapping file to obtain a confused updated resource file; based on the mapping file, obfuscating the bytecode file of the original source code to obtain an obfuscated bytecode file; and mixing and packaging the obfuscated update resource file and the obfuscated byte code file to generate an installation package of the to-be-published application program, and publishing the installation package after the installation package is operated.

The application discloses a battery module and a vehicle, and belongs to the technical field of batteries. The battery module comprises a single battery, an end plate, a control assembly and a first circuit board. The end plate is connected to one side of the single battery. The control assembly is arranged on the side of the end plate away from the single battery and is connected to the end plate. The first circuit board is connected to the single battery and the control assembly. The single battery, the end plate and the control assembly are arranged on the same side of the first circuit board. According to the application, the control assembly is connected to the end plate, so that the control assembly and the end plate form an integral whole, the connection between the control assembly and the first circuit board can be completed before the battery module is put into a box, and the connection difficulty is reduced.

The invention belongs to the technical field of polyester draw texturing yarn production processes, and discloses a method for acquiring the draw texturing critical speed of a polyester pre-oriented yarn, which comprises the following steps of: debugging the draw texturing speed on line to obtain the draw texturing critical speed of the polyester pre-oriented yarn with the fineness of 88-530 dtex; the calculation formula of the debugging starting point value is SS = K * (Vmachine * [0.47 * R-0.00032 * F]), in the formula, SS is the debugging starting point value, R is the deformation ratio of the polyester pre-oriented yarn in the elasticizing process, F is the number of multifilaments of the polyester pre-oriented yarn, and K is a correction coefficient. The method for obtaining the elasticizing critical speed is relatively simple to operate, the test efficiency is improved, and the test consumption is reduced.

The utility model relates to the technical field of CT (Computed Tomography) image testing equipment, and discloses an integrated quality control water model for testing image quality and image levelness, which comprises an image quality function part and an image levelness function part, the middle of one end of the image quality function part is connected with the middle of one side of the image levelness function part, and a second water injection cavity is formed in the image levelness function part. According to the quality control water model, image quality testing and image levelness testing can be integrated, the two function parts do not interfere with each other in use, the testing safety can be guaranteed, and the use effect of the quality control water model is effectively improved.

The utility model discloses a PCB test fixture, and belongs to the technical field of PCB test. The jig comprises a rack; the lower detection die is arranged on the rack; the upper detection die is matched with the lower die and is used for clamping and fixing a PCB (Printed Circuit Board); wherein the lower detection die comprises a lower bottom die fixed with the rack; the lower supporting columns are arranged on the lower bottom die; the lower needle dial is arranged at the top end of the lower supporting column; and the wire coil is fixed through the lower support column and is positioned between the lower needle dial and the lower bottom die. According to the PCB test fixture, the PCB can be placed through the detection lower die, the detection upper die can be pressed on the placed PCB, the detection lower die can test components on the PCB, and the detection upper die can test a bonding pad on the PCB, so that the PCB is comprehensively tested, the test steps of the PCB are reduced, and the production efficiency is improved.

The present invention discloses an application interface invoking method, device, equipment, storage medium and program product, belonging to the field of cloud mobile phone technology, the method comprising: obtaining target description information of an application module to be tested from a front end of a cloud mobile phone platform; wherein the target description information comprises text description information and image description information; when it is detected that there is no page native element of an application page to be tested corresponding to the application module to be tested in the text description information, locating the module position of the application module to be tested at the front end of the cloud mobile phone platform according to at least one of the text description information and the image description information; if the module position is successfully located, performing a click operation at the module position to invoke the application page to be tested at the front end of the cloud mobile phone platform; otherwise, invoking the application page to be tested at the front end of the cloud mobile phone platform according to the page identifier to be tested in the text description information and a page invoking template library.

The invention discloses a device sample preparation method for a HgCdTe Hall test and a Hall device test method, and the sample preparation method comprises the steps: coating the surface of a pretreated HgCdTe chip with photoresist, and the pretreated HgCdTe chip comprises a passivation layer and a P-type HgCdTe layer; after the photoresist is cured, performing first photoetching on the tellurium-cadmium-mercury chip to obtain a target photoetching pattern; corroding the passivation layer and the P-type tellurium-cadmium-mercury layer which are not protected by the photoresist in the target photoetching pattern to obtain a mesa structure of the Hall rod; removing the photoresist on the surface of the tellurium-cadmium-mercury chip; coating the photoresist on the surface of the tellurium-cadmium-mercury chip again, and photoetching the tellurium-cadmium-mercury chip for the second time; corroding off the passivation layer, which is not protected by the photoresist, on the surface of the cadmium-mercury chip; growing a metal electrode on the surface of the tellurium-cadmium-mercury chip; and scribing the surface of the tellurium-cadmium-mercury chip to obtain a plurality of Hall devices. The structural device prepared by the method can be used for simultaneously testing the Hall resistance and the longitudinal resistance, and is high in testing efficiency and high in testing precision.

The present invention provides a strength test equipment for the production of MPP cable protection tubes, which relates to the technical field of MPP cable protection tube testing, including: a test body, wherein guide grooves are provided at the left and right ends of the front side of the test body; transmission grooves are also provided at the left and right sides of the guide grooves; the transmission grooves are composed of an oblique groove and a vertical groove; a transmission column of a cylindrical structure is slidably installed inside the transmission groove; and two stretching grooves are provided at the center of the front side of the test body in a symmetrical arrangement. The present invention combines the two strength tests of extrusion and stretching together, which directly reduces one test step compared to traditional strength test equipment, improves the test efficiency of the strength test equipment, and solves the problem that the current test equipment for the extrusion and stretching of MPP cable protection tubes is mostly carried out in steps, and the two-step test method reduces the test efficiency of the MPP cable protection tube.

The invention provides an over-temperature detection module, a constant current control circuit and a test method of the over-temperature detection module, and the over-temperature detection module comprises an operational amplification unit which generates a current signal which linearly changes along with the difference between a temperature detection voltage and a positive temperature coefficient voltage when the temperature detection voltage is smaller than the positive temperature coefficient voltage; the mode switching unit is used for interchanging the corresponding relation between the input signal and the output signal of the operational amplification unit so as to realize the interchange between a normal working mode and a test mode; the voltage difference output unit is used for generating and outputting a voltage difference between the temperature detection voltage and the positive temperature coefficient voltage based on an output signal of the operational amplification unit; and the first trimming unit acts on the input end of the positive temperature coefficient voltage or the temperature detection voltage and trims the voltage of the input end, so that the voltage difference falls into a preset voltage difference range. According to the invention, test pins and test steps are reduced, and peripheral programs are simplified; the high consistency of an over-temperature current reduction starting point can be realized, the consistency of an over-temperature turn-off point can be ensured, and the method is suitable for a constant-current control system.

The invention provides a method for measuring the sound reflection coefficient of a large-sample underwater acoustic material based on a sound pressure hydrophone array, and the method comprises the steps: employing a CW pulse (continuous wave pulse) as a transmitting signal form, and receiving a signal through a sound pressure hydrophone array disposed near the surface of a sample; then separation of the direct sound and the reflected sound is attributed to a mathematical problem of solving an equation set by utilizing known prior information of measurement system parameters, the direct sound and the reflected sound are separated, and then the sound reflection coefficient of the sample can be rapidly obtained through simple calculation.