89results about How to "Shorten the test cycle" patented technology

The invention discloses a load spectrum simplification method for an aircraft construction crack extension test. The load spectrum simplification method comprises the following steps: (1) determining the structural type of a crack extension test piece and a material containing a crack part, and determining the fatigue crack extension threshold value deltaKth of the material; (2) determining a stress intensity factor of a crack tip of the material; (3) estimating the crack length in the crack extension test and processing in a segmenting manner; (4) deleting the stress cycle lower than the fatigue crack extension threshold value in a load spectrum according to the segmentation condition to form a load spectrum corresponding to the lengths of the segments of the crack, and finally applying the load spectrum in the crack extension test. The load spectrum simplification method disclosed by the invention is used for determining the cark tip stress intensity factor value of a crack-containing structure and simplifying the load spectrum for the crack extension test in the segmenting manner in combination with the fatigue crack extension threshold value deltaKth of the material, so that the load spectrum can be directly applied in the aircraft construction crack extension test, and the method is simple and feasible and is capable of effectively shortening the test period.

The invention discloses a friction load coupling experimental device and a friction load coupling experimental method in a marine climate environment. The experimental device comprises an electric control part, a mechanical part and a constant temperature and humidity maintaining system, wherein the electric control part comprises a motor servo control and data collection system; the mechanical part comprises an upper main shaft driving assembly, a lower sample motion assembly, a lower main shaft pressure and torque measuring assembly, a spring loading assembly and a special friction pair fixture assembly; the constant temperature and humidity maintaining system mainly consists of an industrial air conditioner and a case. According to the experimental device and the experimental method, the corrosion and wear resistance of materials or coating materials in wet and hot marine atmosphere environment can be truly represented; accurate and reliable experimental evidences can be provided for design and material selection of devices and machines used in the marine climate environment, so as to improve the performances of the devices and the machines and prolong the service lives of the devices and the machine.

The invention relates to a large-field soil and solute transporting system and discloses a simulated system for researching leaching, migration and transformation conditions of solutes in the soil under a field irrigation condition. The system comprises a soil groove, a water supply system, a sampling system, a data collecting system and a leaching solution collecting system, wherein the inner wall and the bottom part of the soil tank are provided with waterproof layers and the soil is filled into the soil tank; the water supply system is used for supplying water to the soil tank; the sampling system is used for sampling a solution contained in the soil of the soil tank; the data collecting system is used for monitoring the water content in the soil with the different depths in the soil tank at regular time; and the leaching solution collecting system is used for collecting a leaching solution at the bottom of the soil tank. The system disclosed by the invention can be used for monitoring the leaching, migration and transformation conditions of the solutes in the soil under the field irrigation condition one by one, so that the test period is shortened, the boundary effect is reduced and the test precision is improved; and furthermore, the problems that the indoor evaporation amount is small and does not accord with field conditions are solved by using an evaporation system.

The invention relates to a high-temperature erosive abrasion test device and a method, and belongs to the technical field of abrasion, erosion and protection of materials. The device mainly comprises a control cabinet connected with an erosion box body, a heating power supply and a water cooling system. Sand grains are conveyed to a rotary sand slinging tray by a feeder, and thrown out by the action of centrifugal force to impact the surface of a sample. The sample is heated by self resistance heat. High-temperature resistant erosive abrasion property of a coating is evaluated by calculating mass difference of the sample before and after abrasion. A plurality of samples can be put in once test so as to improve test efficiency, the sand feeding amount can be accurately controlled, and test temperature, erosion speed and erosion angle of erosive abrasion can be randomly changed during test. The device has the advantages of simple operation, accurate test data and good repeatability. The device and the method are suitable for high-temperature erosive abrasion test of hot spray coatings and other materials.

The invention provides an interface automatic testing method and device for a vehicle control unit. The method comprises the following steps of acquiring a database container file, and generating a test case and a test output file according to the database container file; acquiring a software interface define file, and establishing a corresponding matching relation between the software interface define file and the database container file; and acquiring a program to be tested associated with an interface to be tested in a project to be tested, building a test platform according to the test case, the test output file and the corresponding matching relation, for reference input information, using the test platform to run the program to be tested, and generating a test result for the program to be tested. The embodiment of the invention is optimized based on a traditional interface test platform, a manual link is optimized into automatic generation, a test environment is automatically built, thereby shortening the test period and ensuring the accuracy of CAN (Controller Area Network) message parsing and packing, and improving the quality of vehicle control unit software.

The invention relates to an ageing test device and method of an integrated circuit chip on the basis of daughter boards and a mother board. The device comprises a universal ageing mother board and a plurality of ageing daughter boards, wherein the universal ageing mother board is provided with a plurality of stations, and the stations are provided with a plurality of spring needles arranged in an array; the ageing daughter boards can be installed on one station of the universal ageing mother board; the front side of each ageing daughter board is provided with a chip installation part and is integrated with a peripheral application circuit; the back side of each ageing daughter board is provided with a plurality of metal contacts arranged in an array, wherein one part of the plurality of metal contacts is connected with the pin of a chip to be tested, and the other part is connected with the peripheral application circuit; a contact pin on each station is matched and is in contact with each metal contact on the back side of each ageing daughter board so as to connect the ageing daughter boards into the general ageing mother board. The invention also provides the test method. The ageing test device and method can be suitable for various types of integrated circuit chips to carry out ageing experiments and aged performance tests, test cost is effectively saved, and a test period is shortened.

The invention discloses an automatic hardware testing method and an automatic hardware testing system. The method includes: after a testing management software running instruction transmitted by a user is received, running testing management software; after a testing program executing instruction is received, reading codes corresponding to the testing program to execute the testing program, wherein the testing program of tested hardware is developed in the testing management software; automatically running download software during testing program execution; using a simulating key for operating and controlling the download software so that the download software controls a downloader to execute a preselected downloader executing instruction, and download of a drive program is completed; and using the downloaded drive program to complete automatic testing of the tested hardware. Compared with the prior art, the automatic hardware testing method has the advantages that when faced with a great variety of small-batch tested hardware, the method can complete automatic testing of the tested hardware without developing multiple sets of download software, and accordingly development cost is extremely low, and the testing cycle of the batched tested hardware is shortened.

The invention relates to a laser cladding bonding-based cutter and workpiece diffusion couple making method. The method mainly comprises the following steps: 1, cutting a cutter or blade made of a known material to form a sample, and allowing the cut sample to have at least one groove or square cavity; 2, cutting a workpiece to be tested to form a sample, and laminating the cut sample to the sample obtained in step 1 to realize at least one common groove or square cavity; 3, grinding and polishing obtained two samples to make the two samples respectively have at least one polished surface; 4, laminating the polished surfaces of the two samples, clamping and fixing the two samples by using a clamp, and placing a cladding material in the groove or square cavity formed by the two samples; 5, bonding the two samples through a laser cladding technology to form a diffusion couple; 6, cleaning the produced diffusion couple, and carrying out heating and heat insulation in a heat insulation furnace; and 7, taking out the heat insulated diffusion couple, taking out a surface oxidation layer, polishing and cleaning, taking the core of the diffusion couple, and carrying out sample analysis.

The invention provides a method and a device for testing positioning-related applications. The method includes: acquiring test scene data including a test point set which includes positioning data of multiple test points; acquiring positioning basis data of the test points from a server; starting an application to be tested; transmitting the positioning basis data of the test points to the application. By the use of the method and the device, manpower cost is saved, test cycle is shortened, test frequency is increased, test data coverage is increased, and comprehensive testing of a test area is guaranteed.

The invention discloses a method and a system for testing vehicle suspension damp match based on a magnetic flow variation technology. The system comprises: testing vehicle, an exciting platform, a magnetic flow variation damper, a power sensor, an offset sensor, a testing system constructed by an analog switch of external peak value testing module and a feedback controller. The method comprises: before testing, setting needed magnetic flow variation damper recovering damp value, compressing damp value and getting corresponding voltage signal; exciting the system by the up and down actions of the exciting platform; detecting piston relative offset signal peak by the offset sensor; switching the analog switch to input the voltage signal of the recovering damp value and the compressing damp value to the feedback controller as constant value; controlling the magnetic flow variation damper via the feedback controller to reach the set recovering damp and compressing damp value and get the optimum matching.

The invention provides a test case generation method and device and a server, which are applied to technical field of computers. The method comprises the following steps: acquiring basic data in a production environment, wherein the basic data at least comprises a request message when interface access is carried out in a production environment and a response message corresponding to the request message; then, analyzing the obtained basic data; performing screening to obtain target data containing the message format parameters and the message volume data; defining the message format of the testcase through the obtained message format parameters, taking the obtained message body data as the test data of the test case, generating the test case. By means of the test case generation method anddevice and the server, time consumed for compiling the test case can be effectively shortened, efficiency is improved, and the software test period is shortened.

The invention provides an OSD (object-based storage device) disk fault testing method applied to a distributed file system. The OSD disk fault testing method includes: after receiving a fault testing order, determining a testing script type according to a redundancy rule of a data pool of the distributed file system; according to the testing script type, determining test cases respectively corresponding to nodes in the distribute file system and fault scripts in one-to-one correspondence with the test cases, wherein the fault scripts include orders for simulative plugging-out and simulative insertion of OSD disks; according to names of the nodes and IDs (identifications) of the OSD disks, realizing fault testing by executing corresponding fault scripts on the OSD disk on every node until all the test cases corresponding to the nodes are used completely. The OSD disk fault testing method has the remarkable advantages that the amount of labor is decreased, testing efficiency is improved, and cover degree and accuracy of are increased. The invention further provides an OSD disk fault testing system having the same advantages.

The invention relates to a method used for rapid evaluation of priming paint performance. The method comprises following steps: the surface of an asbestos cement plate and the surface of a fiber reinforced cement middle density flat board are coated with a priming paint to be tested respectively; the asbestos cement plate and the fiber reinforced cement middle density flat board are subjected to water permeability test, adhesion test, alkali burnout resistance test, and alkali burnout resistance and salting-out resistance test; if the water permeability, adhesive force, the alkali burnout resistance of inner wall priming paint, or alkali burnout resistance and salting-out resistance of outer priming paint are all qualified, the priming paint is qualified; if one parameter selected from the water permeability, adhesive force, the alkali burnout resistance of inner wall priming paint, or alkali burnout resistance and salting-out resistance of outer priming paint is not qualified, the priming paint is unqualified.

The invention relates to a device for testing simulation aviation member service environment, which comprises a power supply, a main control system, a salt spray generation system, a testing system, an environment controlling system and a salt spray test box case, the salt spray generation system, the testing system and the environment control system are positioned in the salt spray test box case, the main control system is positioned outside the salt spray test box case, the testing system, the main control system and the environment control system are connected in order, and the main control system is connected to the salt spray generation system. The device of the invention can reflect the real environment condition of an airplane real service environment, can perform acceleration test, and can greatly shorten the test period.

The invention discloses a universal circuit board clamp. The clamp comprises two pedestals of the same structure, the two pedestals are arranged in mirror symmetry, each pedestal is provided with one or more fixing assembly for fixing a circuit board, the circuit board is vertically fixed between the two pedestals via the fixing assemblies, each fixing assembly comprises a fixed block, a movable block and an adjusting screw, the fixed block is fixed on the pedestal and used to fix the upper end of the circuit board, and the movable block sleeves the adjusting screw, rises or falls with rotation of the adjusting screw, and is used to fix the lower end of the circuit board when being adjusted to a proper position. The universal circuit board clamp is simple and compact in structure, convenient and rapid in operation, high in university and high in stability.

The invention discloses equipment for testing the gas tightness of weapon sight and a method thereof. The equipment comprises: an air supply device which is connected with an air hole on the weapon sight for forming enough differential pressure in the weapon sight relative to the atmosphere pressure to test the gas tightness of the weapon sight; an sealing part which has a sealing space for sealing a sewing part of the weapon sight; and a pressure inducing device which is arranged on the sealing part for inducing the change of the air pressure in the sealing part. The method and the equipment adopt air pressure test, thereby being capable of saving the test time and improving the production efficiency.

The invention belongs to the technical field of snail grain testing and relates to a solar battery module snail grain testing device and method. The device comprises a high-pressure ageing accelerating testing experimental box and a test piece rack arranged inside the experimental box for bearing test pieces, wherein the test piece rack comprises a cuboid-shaped rack body with a hollow front opening, and at least partition boards horizontally arranged inside the rack body. The method comprises 1, manufacturing a snail grain battery, 2, manufacturing a laminating member, 3, sealing the laminating member, 4, testing the laminating member, and 5, observing snail grains. The solar battery module snail grain testing device and method has the advantages of, 1, greatly shortening the testing period, 2, avoiding the problem of unqualified solar modules due to the snail grains, and 3, being safe, reliable, accurate in evaluation, reasonable in testing period and applicable to being widely applied to predictive testing of snail grains of solar battery modules.

The invention discloses a method for simultaneously testing stiffness, flexibility and drapability of a fabric. The method comprises the following steps: step one, tailoring a to-be-tested fabric intoa first rectangular sample and a second rectangular sample, and successively carrying out step two, step three, step four, step five and step six if i equals to 1, 2; step two, placing the ith rectangular sample on a fabric fixing device; step three, photographing the fabric by an image photographing device; step four, acquiring point cloud and a three-dimensional point cloud coordinate array byImageware software; step five, storing the three-dimensional point cloud coordinate array into a data file in an asc formate, and reopening the three-dimensional point cloud coordinate array in Imageware; step six, carrying out image and feature extraction in the Imageware software; and step seven, solving the flexural rigidity E and fabric draping coefficient of the to-be-tested fabric.

The invention provides a method for determining the optimum water content and the maximum dry density of cement-stabilized macadam. The method includes the steps that firstly, a compaction test of the cement-stabilized macadam under the cement dose a is conducted, and the maximum dry density rhoa and the optimum water content omegaa are obtained; secondly, the optimum water content omegab and the maximum dry density rhob under the cement dose b are calculated, wherein omegab=omegaa+m(b-a), another formula is shown in the description, m is the optimum water-cement ratio under the cement dose a, ic is the mixture hydration increment percent under the cement dose a, and rhocr is the cement density. By means of the method for determining the optimum water content and the maximum dry density of the cement-stabilized macadam, the workload of the compaction test of the cement-stabilized macadam material can be reduced, the test cycle can be shortened, and meanwhile the accuracy of the optimum water content and the maximum dry density can be guaranteed.

The invention provides an automatic identification algorithm index test method, a storage medium and an electronic terminal. The method comprises the steps of collecting a test sequence set of algorithm indexes; marking the test sequence set, establishing a table structure according to the marked test sequence set, obtaining index test parameters required for executing a test by a measured algorithm, inputting the test sequence set into the measured algorithm, executing the test and obtaining an algorithm result; comparing the algorithm result with a table structure to obtain an algorithm index test result; according to the invention, the algorithm can be tested; an index comparison result is rapidly and accurately output; test period can be shortened, the method is advantaged in that requirements of rapid algorithm optimization and algorithm index improvement are satisfied, situations of limited algorithm application scenes and the like caused by insufficient consideration of influence factors during acquisition of the test case set are avoided, test efficiency is improved, and result errors caused by large data volume of the identified object and the identification attribute in the test set in the manual proofreading process are avoided.

The invention discloses a load test device of a single-drum double-outlet-rope winch. The load test device comprises a cross-shaped guide pulley block, a load tower, a redirection device and a counterweight block, the redirection device and the load tower are arranged at intervals, the redirection device is used for arranging a steel wire rope extending out of the winch to be tested, the cross-shaped guide pulley block is fixedly arranged at the top of the load tower, the cross-shaped guide pulley block comprises a first guide pulley block and a second guide pulley block which are used for arranging a steel wire rope guided out by the redirection device, the arrangement direction of the steel wire rope of the first guide pulley block and the arrangement direction of the steel wire rope ofthe second guide pulley block are perpendicular to each other, and the steel wire rope guided out by the cross-shaped guide pulley block is connected with the counterweight block. The winding synchronism of the winch steel wire ropes can be tested, and the test period, the cost and the difficulty are reduced.

The invention discloses an airtight vegetable seed cultivation box with an intelligent lifting device, which comprises an equipment casing, the interior of the equipment casing is divided into an instrument room and a cultivation room through a partition, the equipment in the cultivation chamber is the same, and the equipment The top and the bottom of the chamber are respectively provided with a first feed pipe and a second feed pipe, both of which are in communication with the cultivation chamber, and the top of the outer wall of the first feed pipe is provided with There is a connecting pipe, a horizontal plate is provided below the first feed pipe, an opening is provided on the horizontal plate, a culture device is provided below the opening, and the culture device includes a storage board, and the storage The top of the plate is fixedly connected with a telescopic rod, and the top of the telescopic rod is fixedly connected with a cultivation device. The invention realizes comparative cultivation of a small amount of biological samples, reduces the test period, makes the test data more accurate, saves costs and improves work efficiency.

The invention discloses an evaluation method for the polymerization performance of a color coated plate organic coating. The method is characterized by: firstly soaking a color coated steel plate sample in an electrolyte solution to conduct pretreatment, then conducting AC impedance testing and analyzing the measured AC impedance spectrum, then performing formula computation to obtain the coating porosity, and evaluating the polymerization performance through the porosity. Specifically, the pretreatment time of the color coated steel plate sample is 60-90min, the temperature of the electrolyte solution is 23-27DEG C in the pretreatment process, the electrolyte solution is a sodium oxide aqueous solution with a concentration of 3.0-5.0% by mass percentage, and the AC impedance measurement adopts a three-electrode system, a working electrode is a to-be-tested sample, the area ratio of an auxiliary electrode to the working electrode is 2-4, the scanning speed is 0.1-1.0mV/S, the amplitude of a sine voltage signal is 10-40mV, and the scanning frequency range is 1*10<5>Hz-1*10<-2>Hz.

The invention provides a test box for simulating partial and non-uniform deformation of a road earth base or basic level structure. The test box can be used for conveniently and accurately simulating the phenomena of frost heave, thaw collapse, void, differential settlement and the like of the road earth base or basic level structure indoors; the test period is shortened; and the test cost can be reduced. The technical scheme is as follows: the test box for simulating the partial non-uniform deformation of the road earth base or basic level structure comprises a box body and a support; a drawer capable of moving upwards and downwards is arranged at the lower part of the box body; one or two jacks are arranged below the drawer; and fine sand is arranged inside the box body, and the fine sand filling height is more than the height of the drawer.

The invention discloses a device and a method for measuring the critical chloride ion concentration of steel bar depassivation in a cement-based material. The device comprises a to-be-tested piece, achloride ion electromigration device and an electrochemical testing device. The method comprises the steps of chloride ion electromigration cycle test, corrosion current density characteristic parameter measurement and steel bar electrode test surface depassivation quantitative judgement criterion. The chloride ion electromigration cycle test is carried out by utilizing the chloride ion electromigration device, corrosion current density characteristic parameters are measured and calculated by utilizing the electrochemical testing device, and whether a testing surface of a steel bar electrode in the cement-based material is depassivated or not is judged according to the quantitative depassivation judgement criterion of the testing surface of the steel bar electrode. The transmission of chloride ions in the cement-based material can be accelerated, so the test period of the test is remarkably shortened; and whether the test surfaces of the plurality of steel bar electrodes in the to-be-tested piece are depassivated or not can be quantitatively judged at the same time, so that the critical chloride ion concentration of steel bar depassivation in the cement-based material can be rapidly and accurately determined.

The invention discloses a NAS test system, a method and a computer-readable storage medium. The system comprises a test machine, a NAS storage node and a designated client. A tester, configured to send a share creation instruction and a client connection instruction to a NAS storage node by using an automated test script; A NAS storage node is use for executing a share creation instruction to create a shared file, and executing a client connection instruction to successively designate a client after that creation of the shared file is completed; Sending an IO test instruction to a designated client, and sending the received IO test result to a test machine; The client end is designated, which is used for executing the IO test instruction to mount the shared file, reading and writing the shared file, obtaining the IO test result, and sending the IO test result to the NAS storage node; The system can automatically execute NAS test through automated test scripts, saving manpower and shortening the test cycle.

The invention relates to the field of durability test for a wiring harness of an automobile chassis, in particular to a durability test device for a wiring harness of an automobile chassis. The durability test device comprises a seat body, a first support frame, a second support frame, a first clamp, a second clamp, a drive mechanism and a controller, wherein the first support frame and the second support frame are arranged on the seat body in parallel; the first clamp is fixed on the first support frame; a guide rail is arranged on the second support frame; the second clamp is arranged on the guide rail in a sliding manner; the drive mechanism is arranged on the seat body and is connected with the second clamp; the controller sends out a command to the drive mechanism to drive the second clamp to perform reciprocating motion along the guide rail. The durability test device for the wiring harness of the automobile chassis, provided by the embodiment of the invention, can really stimulate a working state of the wiring harness of the automobile chassis on the whole vehicle, so that the durability test of the automobile chassis is not carried out on the whole vehicle, the test period is shortened, and the test operation difficulty is reduced.

The invention discloses a method for testing the working condition of a battery of an electric bicycle. In order to overcome the problem that the difference between testing of an electric bicycle lithium battery and the actual working condition is large, the method comprises the steps of S1, putting a to-be-tested battery into a high-low temperature box with a preset program; S2, simulating the four-season temperature change cycle for several times by the high-low temperature box, wherein each simulation season comprises several different simulation stage temperatures; S3, carrying out a plurality of three-layer nested cycle battery charging and discharging tests at each simulation stage temperature, wherein the three-layer nested cycle comprises a multi-stage discharge cycle, a charge-discharge cycle and an overall cycle; and S4, correcting the capacity retention ratio obtained by completing the test, and evaluating the long-term use performance of the battery. The influence of environment temperature, current, charge and discharge characteristics and calendar life is fully utilized to simulate the actual working condition test, so that the performance of the battery pack under the actual working condition riding can be reflected more truly, and the test period is shortened at the same time.

A method for retrieving an MMS message, to be executed at an MMS User Agent, involves: generating an MMS subscription request; sending said MMS subscription request to an MMS server; receiving an MMS notification of an MMS message from the MMS server; in response to receiving said MMS notification, generating an MMS message retrieval request for retrieving said MMS message; sending said MMS message retrieval request to the MMS Server; receiving an MMS message retrieval comprising said MMS message; and in response to receiving said MMS message retrieval from the MMS Server, sending an acknowledgment to the MMS Server, herein the improvement is that: The MMS subscription request is sent using a SIP method SUBSCRIBE. The MMS notification is received using a SIP method NOTIFY The MMS message retrieval request is sent using a SIP method FETCH. The acknowledgment is sent using a SIP method INFORM.

The invention relates to an overhauling test method special for a locomotive screw air compressor, comprising the following steps: disassembling, cleaning, overhauling, assembling components, carrying out an air-tight test, finally assembling, and carrying out a combined test. The key steps are as follows: clearance measurement control among an active rotor, a driven rotor and a shell; air-tight test, wherein nitrogen liquid is combined with efficient and clean air-tight test to solve the drawback that the step of drying is required after the traditional hydrostatic test, and test period is shortened; and performance test, wherein a performance test bed special for simulating locomotive working condition is utilized and solves the problems of requirements of air intake valve unloading time starting and halt test after practical volume flow measurement, exhaust pressure and temperature, overload test and air compressor measurement.