173results about How to "Speed ​​up the testing process" patented technology

The invention discloses a test device of a model for manufacturing rock masses containing interlayers and a test method thereof. The test device of the model for manufacturing the rock masses containing interlayers comprises a semicircular angle device, an upper baffle, a lower baffle, a left side plate, a right side plate, a circular turntable, a core-drilling machine drill bit, a flat plate, a flat plate angle control rod, a fixed screw rod, a base plate, an interlayer model test piece, a U-shaped plate and a guide slot. The test method comprises the following test steps: arranging the rock masses according to an outline central line and fixing the rock masses; manufacturing interlayer materials and casting the model, fastening the test piece, drilling the core, replacing the core-drilling machine drill bit, changing the position of the test piece to drill repeatedly and cutting to obtain the test pieces with different height-diameter ratios or obtain the test pieces with different interlayer inclination angles; then carrying out mechanical test. The test device is simple in structure and suitable for manufacturing the test pieces with different interlayer thicknesses, inclination angles and height-diameter ratios; according to a core-drilling and cutting machining device, by making full use of the existing device, the influence on the mechanical properties of the test pieces caused by different conditions can be analyzed, coring of irregular rock samples taken in the site can be carried out directly, so that the test efficiency is improved and the test time is shortened.

The invention discloses a small molecule probe based on nano-gold and aptamer and a preparation method of the small molecule probe. The small molecule probe comprises nano-gold particles, more than one type of sulfydryl modifying deoxyribonucleic acid (DNA) fragment assembled on the nano-gold particles and more than one type of aptamer which is marked by fluorescent groups, and at least a part of fragments of the more than one type of the aptamer are complemented and hybridized with the more than one type of sulfydryl modifying DNA group. The small molecule probe is short in detecting time, simple in operation, high in specificity, good in repeatability, high in accuracy, and the false positive result is effectively reduced. By means of the aptamer technology, a high detection sensibility is achieved, and various molecules can be simultaneously detected.

The invention discloses an accelerated endurance test method for a catalytic converter assembly of a commercial vehicle. The method comprises the steps of: collecting time domain acceleration signals by using a test track road based on a principle of same failure mode and equivalent damages; carrying out synthesis and accelerated computing to obtain an acceleration power spectral density (PSD) so as to guide an electromagnetic vibration bench to carry out a frequency domain accelerated test method of random vibration on the catalytic converter assembly. By using the method, vibration bench tests and test track road tests are correlated; because of the same failure mode and equivalent damages, the test time is greatly shortened, the endurance development cycle of a product is reduced, and the test cost is lowered; and the accelerated endurance test method has the three remarkable advantages of economy, practicability and accuracy.

The invention discloses a predication method of the complete characteristic curve of a mixed-flow pump turbine. The predication method of the complete characteristic curve of the mixed-flow pump turbine comprises the steps that an internal characteristic analysis theory describing the flow complete characteristics and the moment complete characteristics are corrected through the feature of the actually measured pump turbine complete characteristic curve; statistics of unit parameters of feature operating points of the pump turbine complete characteristic curves of different specific speeds is conducted, the dominant function relationships between the unit parameter of each feature operating point and the optimal operating condition specific speed of the pump turbine and between the unit parameter of each feature operating point and the guide vane relative opening degree are established; and according to the dominant function relationships, the unit parameters of each feature operating point at different guide vane opening degrees are obtained, so that the undermined coefficient of the corrected internal characteristic analysis theory is determined, and a predicted complete characteristic curve of the pump turbine at any specific speed is obtained. The complete characteristic curve predicted by the adoption of the predication method is small in error, in this way, in a runner model simulation test, only a small number of feature working conditioner need to be tested, and the model test process is guided and accelerated.

The invention relates to an in-loop simulation method for a vehicle-road cooperative system. The in-loop simulation method comprises the steps that a central service module obtains simulation environment data; the central service module transmits simulation environment data to the roadside control decision module; the roadside control decision module controls the infrastructure state and distributes the local simulation environment data and the roadside control instruction to the vehicle control module; the vehicle control module obtains fusion information; the vehicle control module obtains aplanned trajectory, controls the vehicle to track the planned trajectory, and obtains vehicle driving data after control is completed; the vehicle control module transmits the vehicle driving data tothe roadside control decision module; the roadside control decision module transmits the vehicle driving data to the central service module, and the central service module transmits the vehicle driving data to the simulation module; and the simulation module updates the simulation environment data. Compared with the prior art, an overall testing framework for the center, the road side and the vehicle-mounted part is constructed, and in-loop testing can be conducted on the whole vehicle-road cooperation system.

The invention discloses a BOB (BOB on Board) testing system and a method for automatically calibrating BOB receiving power, and aims to solve the problems of complex operation, low accuracy and high labor cost in the calibration way of the BOB module receiving power. The BOB testing system comprises an upper computer, and an optical line terminal, a BOB module and an integrated authentication system integrated with an optical attenuator which are all connected with the upper computer, and an optical splitter which is synchronously connected with the optical line terminal and the optical attenuator through an optical fiber, wherein the optical splitter is connected with the BOB module through the optical fiber. The BOB testing system is reasonable in design and convenient to operate. Through effective combination of software and hardware, automatic calibration of the BOB receiving power is realized; the automatic degree and calibration accuracy are high; and unnecessary labor cost investment is effectively reduced. Thus, the BOB testing system and the method have very high application values.

The invention discloses an automated remote terminal and 1553 B bus communication test method. The method is suitable for an automated software test method for the command / response type communication with a bus control (BC) of a remote terminal (RT), one-command one-time automatic test, one-command multi-time automatic test and multi-command workflow type automatic test are achieved, the real-time failure monitoring function is achieved, and test, real-time test condition monitoring, test result judgment and management and test report generation are finished at a time. By means of the method, the high-strength repeated test related to 1553 B communication is efficiently achieved beneficially in the space flight and aviation project, the time required by communication test is shortened, test efficiency is improved, the product test process is accelerated, the quality of products is guaranteed accordingly, the product development cycle is shortened, and the method is simple, practicable, efficient and flexible and has good use value for related communication tests.

The invention discloses a method for predicting the remaining service life of a large rotating support. The method comprises the steps of deriving a remaining service life prediction model of the rotating support on the basis of the Weibull service life distribution theory, utilizing a test bed to exert a specific load on the rotating support, continuously running until the rotating support fails, dividing a roller path into 4n sections according to the rotating support roller path load distribution characteristics, measuring the volume abrasion loss of every section of rotating support roller path, and then utilizing the Archard abrasion theory and an inverse power law service life model to build a load-fatigue life distribution-remaining service life prediction model. According to the method for predicting the remaining service life of the large rotating support, remaining service life prediction of similar products can be achieved only by performing whole service life fatigue life testing on one rotating support, plenty of resources can be saved for enterprises, the product utilization rate is improved, and accident risks are reduced.

The invention discloses a gas-containing coal similar material and a preparation method thereof. The similar material is prepared by the preparation method comprising the following steps: selecting coal powder with certain particle size distribution and a sodium humate aqueous solution as raw materials, wherein the coal powder is used as an aggregate and the sodium humate aqueous solution is used as a cementing agent; weighing the coal powder with the certain particle size distribution, water and sodium humate strictly according to proportions, fully stirring uniformly, pouring the well mixed and stirred mixture into a steel mold, and performing pressure molding on the mixture by using a certain pressure under a press machine; and separating the mold, taking out a molded test piece, and drying at normal temperature or in a drying box. A physical mechanical parameter test shows that the volume weight and porosity of the similar material are equivalent to those of raw coals, the adsorptivity of the similar material is very close to that of the raw coals, and the similar material has the advantages of high uniaxial compressive strength, wide mechanical parameter variation range and the like, and also has the advantages of simple material manufacturing process, stable performance, low price, no toxic or side effect and the like.

The invention discloses a method for selecting lithium battery aluminum plastic films. The method comprises the following steps of: determining optimal heat sealing conditions of aluminum plastic films of different factories through a single factor experiment; then manufacturing the aluminum plastic films into aluminum plastic film bags with the same specification through heat sealing according to the optimal heat sealing conditions; independently testing electrolyte corrosiveness resistance and water resistance of the manufactured aluminum plastic film bags; calculating according to test data to obtain heat sealing strength reduction rates Q, weight reduction rates Z and water content increment rates S; and selecting the aluminum plastic films in sequence as lithium battery packaging materials according to the sequence from small to large of the weight reduction rates Z, the water content increment rates S and the heat sealing strength reduction rates Q. The method is convenient to operate, free of special requirements on materials and equipment, high in feasibility, accurate in selection result and high in selection efficiency.

The invention discloses a portable elevator safety performance monitoring system based on a CAN bus. The system comprises an acceleration detection module, a noise detection module, a power detection module, a man-machine interaction module, an MCU master control module, a gateway module, a power supply module and other parts, wherein all the functional modules are provided with CAN bus interfaces; through CAN bus configuration, the functional modules can be configured according to the requirement of a field test and realize plug and play, and the structure of the detection system is more reliable and flexible; a CAN communication protocol is set up, and detection results are encrypted with MD5, so that the authenticity and traceability of information are ensured; and a remote server can supervise schedules of maintenance personnel and allocate tasks in real time, and thus is conductive to quickening the elevator detection process and improving the efficiency.

The invention discloses a planar test device for rock slope destruction and a test method thereof. The structure of the test device includes that a slope model is placed in a groove of a base, two organic glass boards are tightly fixed in screw holes through screws, the two organic glass boards are respectively located between a lower end threaded rod and a middle threaded rod, and between an upper end threaded rod and the slope model, and a cushion block is arranged on the top of the slope model. Slop models are machined in batch and then transferred to the test device to be loaded in sequence. The test device is simple in structure, is suitable for similar models with different widths and lengths, and strictly meets boundary constraint conditions. A loading device can utilize existing equipment fully. The test device is capable of effectively speeding up the test progress, achieving imitating the destruction process of a rock slope under the function of the increasing of the slope top load or gravity, improving test efficiency, and shortening test time.

The invention discloses a carrier rocket ground high-power wireless power supply system based on electromagnetic resonance, which comprises a ground power supply converter, a transmitting coil, a receiving coil and an energy receiving processor. The ground power supply converter and the transmitting coil are respectively placed on a ground transmitting platform or an oscillating bar; the receivingcoil and the energy receiving processor are arranged on the rocket; the ground power supply converter converts alternating current into high-frequency alternating current and inputs the high-frequency alternating current into the transmitting coil, the receiving coil converts coupled magnetic field energy into high-frequency alternating current and inputs the high-frequency alternating current into the energy receiving processor, and the energy receiving processor processes the high-frequency alternating current and then outputs power supply voltage meeting rocket load power supply requirements. Non-contact and separation-free power supply of the carrier rocket in the ground test and launch process is achieved, existing unplugging and unplugging technologies can be replaced, automatic butt joint of rocket power supply is achieved, and the defects that unplugging and unplugging cables are complex in operation, high in difficulty, large in personnel and time consumption, high in degreeof dependence on auxiliary equipment and the like are overcome.

A soil expanding multi-parameter test device capable of simulating the soaking-air-drying cyclic action comprises a water box as well as a water storage tank, a gas-water exchanger and a waste water tank which communicate with the water box, wherein the water box comprises a porous lantern ring arranged at the bottom of the water box and a lower permeable stone arranged in the porous lantern ring, an annular knife is arranged on the lower permeable stone, soil samples are arranged inside the annular knife, upper permeable stones are arranged on the soil samples, porous cover plates are arranged on the upper permeable stones, pressure transfer rods extending out of the porous cover plates penetrate through a winged box cover connected onto the water box, upper pressure plates are arranged at tops of the pressure transfer rods extending out of the porous cover plates, load sensors for testing expansion stress and displacement sensors for measuring expansion deformation are fixed at tops of the upper pressure plates and connected with a resistance strain gauge through cables respectively, and the resistance strain gauge is connected with a computer. With the adoption of the test device, dry-wet cycle operations and related expansion tests of the soil samples can be conducted in the water box directly, tedious manual operations are avoided, the test efficiency is improved, and errors caused by the manual operations are reduced.

The invention provides a wetting-drying cycle tester for a water rock. The wetting-drying cycle tester comprises a test chamber and a support. The support is installed at the bottom of the test chamber. Two opposite vacuum test chambers and two opposite drying chambers are fixed in the top of the test chamber. The two opposite vacuum test chambers are connected with a vacuum pump and a bi-directional water pump; the bi-directional water pump is connected with a liquid storage tank installed in the test chamber through a water control valve; the lower end of the test chamber is provided four test chamber chassis; and the bottom surface of the chassis of the test chamber is equipped with a rotatable automatic lifting rotary shaft. The tester realizes automatic control by a control unit composed of a temperature sensor, a pressure sensor, a motor, a PLC controller and a relay. The tester realizes the automation of the testing process, prevents tedious manual operations, shortens test time, accelerates testing process and reduces the error caused by manual operations.

The invention provides an ornament surface area rapid detection method based on an image analysis technique. The method includes the following steps: step A, scanning an ornament and collecting three-dimensional point cloud coordinate system information of the ornament; step B, forming a three-dimensional model through appearance reconstruction of the three-dimensional point cloud coordinate system of the ornament; step C, conducting gridding on the three-dimensional model; and step D, calculating and accumulating the area of each grid and obtaining the surface area of the ornament. Compare with hand computation, the ornament surface area rapid detection method is convenient and rapid in the whole detection process, high in accuracy, and capable of greatly reducing the detection workload and fastening the detection process for the ornament whose detection structure is relatively complicated.

The invention relates to a method for realizing an embedded system board level supporting package between different operating system. The method comprises hardware abstraction, employing 'register base address plus shift' addressing mode on mass register to be accessed which can replace the presumption of the application and operating system environment to be called. The inventive method has capability and reusability which can accelerate the development and test flow process of the embedded system software including operating system and device driving software.

The invention relates to a method and device for detecting a standard section image in a fetal ultrasound image, computer equipment and a storage medium. The method comprises the following steps: acquiring a continuous frame sequence of a preset number of fetal ultrasound image frames; sequentially carrying out preprocessing operation on the continuous frame sequence of the fetal ultrasound imageframes to obtain preprocessed image frames; sending the preprocessed image frame to a first processor for parallel processing, and inputting the preprocessed image frame into a trained segmentation model by the first processor to obtain a segmentation result of the preprocessed image frame; and sending the segmentation result to a second processor for parallel processing, and inputting the preprocessed image frame into the trained classification model by the second processor to obtain a final detection result of the fetal ultrasound image frame and display the final detection result. The method can improve the detection efficiency.

The invention discloses a modularly-parallel, multi-machine and energy-saving reliability testing device for hydraulic pumps and hydraulic motors. The device is of a modular structure, and comprises a dynamic and power recovery system module A, at least one sample module, a loading system module C and a real-time monitoring system module D, wherein an oil inlet of a to-be-tested hydraulic pump of the dynamic and power recovery system module A is connected with an oil tank; an oil outlet of the to-be-tested hydraulic pump of the dynamic and power recovery system module A is connected with an oil inlet of a to-be-tested hydraulic motor in the first parallel sample module; an oil outlet of a to-be-tested hydraulic motor of the dynamic and power recovery system module A is connected with the oil tank; an oil inlet of the to-be-tested hydraulic motor of the dynamic and power recovery system module A is connected with a to-be-tested hydraulic pump in the last parallel sample module and the loading system module C; the to-be-tested hydraulic motor is driven by the to-be-tested hydraulic pump in the last parallel sample module. All component parts of the device are designed to be of a modular type, so that a system structure is simplified, and the device is convenient and flexible to install, and lower in space occupation; by repeatedly connecting the parallel sample modules in series, samples can be added for the reliability test of a hydraulic product with minimum cost.

The invention provides an antibody biochip for detecting H5 subtype avian influenza virus, its preparation method and application. The biochip provided by the present invention comprises a solid phase carrier, a gold film attached to the solid phase carrier, and an anti-H5N1 subtype avian influenza virus monoclonal antibody connected with the gold film, and the biochip is helpful for the detection of the H5 subtype The rapid and accurate detection and identification of avian influenza virus, and the quantitative analysis of H5 subtype avian influenza virus in the sample can truly reflect the advantages of specificity, sensitivity and rapidity of the biochip.

The invention discloses an automatic screening and weighing geotechnical screening device, which includes a sieve drum, and is characterized in that: a plurality of sieve discs are arranged inside the sieve drum, and a rotating device is arranged under each sieve disc, and the rotating device The device and the sieve tray are connected up and down correspondingly through plugs. A pressure sensor is provided between the sieve tray and the rotating device, and the pressure sensor is electrically connected to the display. The outer wall of the sieve cylinder is provided with a locking device. The tightening device is controlled to connect the rotating pull rod, the rotating rod is flexibly connected with the rotating device, the lower end of the screen cylinder is connected to the sand outlet cylinder, and the outside of the sand outlet cylinder is connected to the bracket. There is a driving shaft, and the driving shaft passes through the bottom plate of the sand outlet cylinder and is fixedly connected with the rotating device. The device has the advantages of simple structure, convenient operation, reduced operation steps, and improved test accuracy.

The invention provides a semiconductor junction temperature test device and a test method thereof, relates to the electronic device test field and especially relates to the semiconductor junction temperature test device and the test method thereof, and provides the semiconductor junction temperature test device and the test method thereof, which can directly measure the semiconductor junction temperature, are small in error of the measured junction temperature and can truly reflect real performance of a semiconductor diode. The test device comprises a diode mounting place and a constant current source, wherein the diode mounting place is connected with the constant current source. The test device also comprises a semiconductor characteristic tester. The semiconductor characteristic tester is connected in parallel to the two ends of the diode mounting place; and the diode mounting place is provided with a diode. The diode mounting place comprises an insulated base. The base is provided with a pair of clamp places; and wiring ends of the diode are clamped in the clamp places correspondingly. The semiconductor junction temperature test device and the test method thereof have the advantages of being capable of directly measuring the semiconductor junction temperature, being small in error of the measured junction temperature and being capable of truly reflecting the real performance of the semiconductor diode.

The invention relates to a method for measuring a load threshold value of a soil deformation state of a railroad bed under a static load. The method is characterized by comprising the following operating steps: building a filling model in a model case formed by rigid side walls and applying static loads in grade to the filling model by using a round rigid loading plate according to different proportionality coefficient lambda of the ultimate bearing capacity; measuring and calculating plastic deformation rates vi(t) of soil at different moments t in a loading process by using a displacement sensor, taking data points of the rates and fitting the data points according to a negative power function v(t)=At-alpha; and obtaining a power exponent alphai value corresponding to the load proportionality coefficient lambda, and fitting the power exponent alphai value to obtain an alpha-lambda curve according to a cubic polynomial, wherein taking loads piI=lambdaIsigmaf and piII=lambdaIIsigmaf corresponding to lambdaI and lambdaII of two curature maximum values of the alpha-lambda curve are adopted as the load threshold value of the soil deformation state. piI and piII can be used for providing test grounds for design and optimization of ballastless / ballast track beds of a high speed railway and a deformation state evaluation and regulation principal, respectively. The method has the characteristics of being relatively short in testing time and specific in criterion, and the obtained load threshold value is relatively accurate and reliable.

The invention discloses an electronic device and a detection method for a capacitive touch screen of the electronic device. The detection method includes the steps that reference data of the capacitive touch screen are stored in the electronic device; the capacitive touch screen is detected, and detection data are obtained; the detection data are compared with the reference data, the capacitive touch screen passes detection if the difference value between the detection data and the reference data does not exceed the difference value range, and the capacitive touch screen does not pass detection if the difference value between the detection data and the reference data exceeds the difference value range. The electronic device and the detection method overcome the defects that in the prior art, when the capacitive touch screen is assembled in a whole machine, problems can hardly be detected through traditional manual clicking and line drawing modes, whether problems happen to the capacitive touch screen or not can be detected even when the capacitive touch screen has been assembled on the electronic device, for example, whether the capacitive touch screen is damaged or nor and whether the capacitive touch screen is flexible or not, and the electronic device and the detection method have the advantages of being convenient to operate and high in work efficiency.

The invention relates to the technical field of Internet of Vehicles, and particularly discloses a method for testing roadside unit function application in a vehicle-road coordination system, which comprises the following steps: calling test case data according to a test control instruction of control equipment, the test case data comprising auxiliary test vehicle motion trail parameters, vehicledynamics model parameters and Internet of Vehicles function application information; sending the test case data to a tested road side unit function application platform; receiving feedback informationobtained by the tested road side unit function application platform according to the test case data; analyzing and processing the feedback information to obtain an analysis result; and sending the analysis result to control equipment. The invention further discloses a device and a system for testing the function application of the road side unit in the vehicle-road cooperation system. The methodfor testing the roadside unit function application in the vehicle-road cooperative system provided by the invention has the advantages of real test data, safety and high efficiency.

An embodiment of the invention discloses a borrowing product development system, including a configuration module and a sharing module. The configuration module is used to obtain configuration parameters of a to-be-developed product, and store each configuration parameter in a database. The sharing module is used to store sharing information of each to-be-developed product. The sharing informationincludes a sharing parameter of each to-be-developed product and a program code required by executing each to-be-developed product. The system provided by the embodiment improves reusability of software codes, simplifies workload of borrowing product development, reduces development cost, improves development efficiency, simplifies a test process, and realizes rapid development and modification of a borrowing product, so that adjustment of existing borrowing products is simpler and more convenient, and access of a new channel of existing borrowing products is more convenient. Risk of a configured borrowing product is reduced, access of a new channel of existing borrowing products does not need release, and risks brought about by release are reduced.

The embodiment of the invention belongs to the field of research and development testing, and relates to a front-end test method and device, computer equipment and a storage medium. The method comprises the steps: receiving a testing instruction to generate a data request, wherein thedata request comprises a to-be-tested interface and an input parameter; reading a preset mock environment identifier according to the to-be-tested interface, and when the identifier is a first identifier, reading the mock environment address, wherein the mock environment is a preset server for storing interface simulation data, and a preset corresponding relationship is formed between the interface simulation data and the input parameters; sending the data request to the mock environment according to the mock environment address; and receiving interface simulation data corresponding to the input parameter returned by the mock environment in response to the data request. By presetting the interface simulation data corresponding to the input parameters and returning the corresponding interface simulation data according to the different input parameters, the real scene is simulated, the test effectiveness is improved, the front-end test can still be carried out when the rear-end server is abnormal, and the test process is accelerated.

The invention discloses a frozen soil upper limit change rule testing method. A frozen soil upper limit change rule testing device comprises an outer tank body, an inner tank body, a data collection model and a system control and data collection computer, wherein the inner tank body is located at the inner part of the outer tank body; an outer tank cover and an inner tank cover are respectively arranged on the upper ends of the outer tank body and the inner tank body; a heating module and a refrigerating module are arranged in a position between the outer wall of the left side of the inner tank body and the inner wall of the outer tank body; the heating module and the refrigerating module are respectively communicated with the inner tank body. The invention relates to the technical field of geotechnical testing and measuring. A monitoring sensor buried in a soil sample can be used for monitoring the soil sample temperature change and a moisture migration situation during frozen soil freeze thawing, initial conditions and boundary conditions of a soil temperature conduction and moisture conduction differential equation can be determined according to measured data of the monitoring sensor, analytic solution can be solved according to a variable separation method, an upper limit position change rule can be obtained by combining temperature and moisture judgment criterion and substituting the analytic solution into an analytic solution formula, testing is controlled by a computer system, and a testing result is more accurate.

The invention is suitable for the artificial intelligent technology field and provides a clinical test matching method and device, and terminal equipment. The method comprises the following steps of carrying out natural language processing on patient information and entry row standards, extracting first information from the patient information, and extracting second information from entry row standard information, wherein the first information includes the basic information of a patient and the second information includes entry row standards of different clinical tests; storing the first information and the second information to a cloud server; and through matching the first information and the second information, selecting a clinical test correlation employee matching the patient so thatthe time for browsing a lot of case data is saved and recruitment efficiency is increased. For a doctor and the patient, a new treatment thought is provided and the method is a treatment plan which islikely to benefit the patient; and even if the patient fails to join a clinical test, the patient can be treated through referring to other clinical tests, and high practicality is possessed.

The invention discloses a geotechnical screening device, which comprises a sieve drum, and a plurality of sieve discs are arranged inside the sieve drum, and a rotating device is arranged under each sieve disc, and the rotating device corresponds to the sieve disc up and down through a plug. Insertion, a pressure sensor is provided between the sieve tray and the rotating device, the pressure sensor is connected to the display control, the outer wall of the sieve cylinder is provided with a locking device, and the locking device controls the connection with the rotating device. The device is simple in structure, easy to operate, reduces operating steps, and improves test efficiency. Particles are easily removed from the sieve tray.