34results about How to "Reduce testing workload" patented technology

The invention provides a tire test analysis and reliability evaluation method based on a damage evolution model, and the method comprises the steps: obtaining data: obtaining 12 mechanical channel data of forces and displacements of a tire in three directions and moments and rotation angles of three axes; identifying a periodic tread jitter value and a sidewall movement value of the tire as deformation channel data; acquiring a tire temperature field as temperature channel data; data analysis: analyzing the reliability of the tire based on the mechanical signal, the visual deformation signal and the temperature field signal; and reliability prediction: judging the tire damage probability based on reliability analysis results of the mechanical signal, the visual deformation signal and the temperature field signal.

The invention relates to the technical field of HIL rack automatic testing, and discloses an HIL rack automatic fault testing system based on a CAN bus, which comprises an HIL rack, a PC upper computer and a fault injection module, the fault injection module is integrated through a CAN bus, and is connected with the HIL rack through the CAN bus. The PC upper computer is connected with the fault injection module, and sends an operation instruction to the fault injection module through the PC upper computer according to a test requirement; the fault injection module is used for executing fault type information according to an operation instruction and integrating the fault type information into the HIL rack; the HIL rack is used for generating a running HIL test environment; and the PC upper computer comprises a test module, and the test module is used for processing an HIL test signal and performing an automatic test. According to the invention, the integration difficulty is reduced, the universality and interoperability are improved, the test data management efficiency is improved, and the automatic HIL bench test is realized.

The invention discloses a seawater maintenance tightness detection device and method for an outboard discharge short pipe, and the device enables the outboard discharge short pipe to be exposed out of the water surface in a manner of adjusting ballast water when the outboard discharge short pipe leaks or is damaged, and can cut, replace and maintain the damaged pipe section on the outboard discharge short pipe in a cabin. And then the tightness detection device is installed in the maintained outboard short pipe to carry out tightness test on the outboard short pipe.

The invention relates to a high-strength and high-toughness aluminum alloy material as well as a preparation method and application thereof. The alloy is particularly suitable for production of new energy automobile parts such as an auxiliary frame and a battery tray. In order to solve the problems that an existing AlSi7Mg alloy is serious in deformation, low in yield strength qualification rate and the like during high-temperature heat treatment, a proper amount of Cu and Mg are introduced on the basis of the AlSi7 alloy, alloy components are optimized, and the content of harmful elements is strictly controlled. By reducing the solid solution temperature to about 490 DEG C and combining proper solid solution time and an artificial aging process, the alloy disclosed by the invention can obviously reduce the heat treatment deformation of a casting while ensuring the tensile strength and the yield strength. Test results show that after the alloy is adopted, the yield ratio of a casting is higher than 0.73, and the ductility and the tensile strength both meet the design requirements of automobile parts. In addition, according to the alloy, the energy consumption is reduced, the shaping workload after heat treatment is reduced, the production efficiency and economic benefits are remarkably improved, and the alloy has wide industrial application prospects.

The embodiment of the invention discloses a display equipment testing method and device, a storage medium and computer equipment. According to the scheme, the test signal is output to the display device, so that the display device displays the test image corresponding to the test signal; during the test image display period, obtaining a target image collected by the camera for a display screen of the display equipment; and performing image recognition on the target image, and determining a target reproduction rate of the test image on the display device based on an image recognition result. In this way, the test workload of testers can be reduced, and then the reproduction rate test efficiency of the display device is improved.

The disclosed embodiments disclose a test object generation method, device, electronic device and computer storage medium, wherein the test object generation method comprises: in response to receiving a test object generation request sent by a test object generation requester, generating a test object parameter acquisition request, wherein the test object generation request carries a test object identifier; sending the test object parameter acquisition request to the test object generation requester; in response to receiving the test object parameters returned by the test object generation requester, generating a test object corresponding to the test object identifier according to the test object parameters. This technical solution greatly saves the test workload of testers with the help of a test object generation unit, avoids the time spent on executing real operation processes, thereby greatly improving the execution efficiency of the test work, and can therefore be effectively applied to test work with large amounts of data.

The invention provides a method for carrying out a real vehicle abuse test on a bolt of a chassis of a vehicle, and the method comprises the steps: arranging an axial force sensor on a to-be-tested bolt of the chassis of the vehicle, and enabling the axial force sensor to be used for measuring the axial force of the to-be-tested bolt; driving the vehicle to continuously carry out test items of a plurality of real vehicle abuse tests; when a vehicle performs a test item, the axial force of the to-be-tested bolt is collected in real time through the axial force sensor; and based on the axial force, obtaining the performance of the to-be-tested bolt under the abuse test condition. According to the method for carrying out the real vehicle abuse test on the bolts of the chassis of the vehicle, multiple test items of the real vehicle abuse test are continuously carried out in combination with the axial force sensor, the test workload is reduced, and the test efficiency is improved.

The application discloses an evaluation method for automatic driving expected function safety test scenes, and evaluation steps of the evaluation method include hazard risk assessment, safety distance assessment, collision detection assessment, cause-effect relationship assessment and collision mitigation assessment. After each step of assessment is completed, whether next step assessment is performed is determined according to an assessment result of the assessment step, and thus test workloads of the test scenes are greatly reduced, and expected function safety development efficiency is improved.

The invention relates to the technical field of geotechnical tests, in particular to a multi-angle permeation direct shear test system. The multi-angle permeation direct shear test system comprises a loading module, a shearing module, a seepage device, a water adding module and a gas drying module, the loading module comprises a horizontal loading device and a vertical loading device, and the shearing module comprises an upper shearing box and a lower shearing box which are oppositely arranged up and down; the water adding module performs seepage on the soil sample through the seepage device, and the gas drying module performs aeration drying on the permeated soil sample through the seepage device. According to the invention, the seepage position and angle of the soil sample are adjusted through the seepage device, and the test sample does not need to be frequently replaced, so that the permeability test of the same soil sample in different directions and different positions, the direct shear test of the same soil sample with different water contents and the direct shear test of the same soil sample subjected to water seepage and drying can be realized, the test convenience is improved, and the test cost is reduced. And the test workload and time cost are reduced.

The present invention provides a method for predicting the capacity of a lithium-ion battery for cascade utilization, which relates to the field of lithium-ion batteries. The present invention uses a frequency stacking method to quickly obtain the FIS curve of the predicted battery, and processes the EIS curve by wavelet denoising to extract the amplitude characteristic |Z| and phase-frequency characteristic of the battery. The ohmic impedance R of the EIS curve is extracted by first-order equivalent circuit fitting. Ω , Charge transfer impedance R ct , diffusion impedance R w As a feature category for quickly predicting battery SOH, the five groups of features are fitted with multivariate quadratic functions to predict the battery capacity, thereby realizing the capacity prediction of lithium-ion batteries for cascade utilization; compared with the full charge and discharge method and the traditional FIS impedance measurement method to extract prediction features, it can effectively reduce the detection time and the workload of battery testing, and in the actual operation process, it will not cause damage to the battery itself, thus reducing the testing cost.

The application discloses an operating mechanism data acquisition system and a driving loop module and method thereof, and the module comprises a high-voltage direct-current power supply HM, a high-voltage direct-current power supply KM, a power adapter DP, an embedded control module QK, a control switching plug HT, a supply and discharge circuit, a closing and opening knob KK and a rotary switch ZH2; the high-voltage direct-current power supply HM provides an energy storage power supply and a closing power supply for a measured operating mechanism, the high-voltage direct-current power supply KM provides an opening power supply for the measured operating mechanism, the power adapter DP provides a working power supply for the embedded control module QK, and the required operating power supply voltage for testing can be met; the embedded control module QK can realize program control of driving, the rotary switch ZH2 can realize mode conversion between manual control and program control of driving, and the closing and opening knob KK can realize manual control of driving, so that the problem that traditional operating mechanism research experiments cannot simultaneously integrate automatic control of multiple characteristic parameters is solved.

This disclosure relates to a flat-panel satellite, including a cabin. The cabin is generally a flat rectangular body. The cabin includes a first, second, third, fourth, fifth, and sixth cabin panel that are detachably arranged to form a compartment. Different functional systems are respectively installed on the first, second, third, fourth, fifth, and sixth cabin panels. These functional systems include: a payload antenna system, with the payload antenna integrated on the outer side of the first cabin panel; and a platform control system, located inside the cabin and integrated on the inner side of the second cabin panel. This disclosure eliminates the complex support structure of traditional flat-panel satellite payload antennas by making the cabin panels detachably connected and integrating the payload antenna onto one of the cabin panels. The modular design reduces the integration difficulty of the flat-panel satellite, shortens the production cycle, and reduces testing workload and costs.

The method for simultaneously determining multiple nitrophenol compounds in different food matrices according to the present invention involves preparing a series of mixed solutions with different concentrations of 2,4-dinitrophenol, 2,5-dinitrophenol, 2,6-dinitrophenol, 3,4-dinitrophenol, and 3,5-dinitrophenol using acetonitrile-acetic acid solution as standard samples; the food matrices to be tested are then subjected to extraction and purification treatment. The sample was obtained through a process; then, high-performance liquid chromatography-tandem mass spectrometry was used to detect the sample and standard to obtain the concentrations of 2,4-dinitrophenol, 2,5-dinitrophenol, 2,6-dinitrophenol, 3,4-dinitrophenol, and 3,5-dinitrophenol in the sample. The content of each nitrophenol compound in the food matrix was then calculated based on the concentrations of 2,4-dinitrophenol, 2,5-dinitrophenol, 2,6-dinitrophenol, 3,4-dinitrophenol, and 3,5-dinitrophenol in the sample.

The invention discloses a nozzle atomization particle size prediction method based on a GA-BP neural network. The method comprises the following steps: S1, obtaining external mixing type gas-liquid double-fluid nozzle atomization particle size test data; s2, data preprocessing; s3, establishing a GA-BP neural network atomization particle size prediction model: determining a topological structure of a BP neural network model; a weight value and a threshold value are generated randomly, and the initialized weight value and the threshold value are input into the genetic algorithm part; optimizing the initialized weight value and threshold value through a genetic algorithm; judging whether the number of iterations of the genetic algorithm part is equal to the maximum number of iterations, and outputting an optimal individual; inputting the optimal individual into a BP neural network, updating a weight and a threshold according to an expected error, and fixing the weight and the threshold; and S4, performing prediction by using the trained GA-BP neural network atomization particle size prediction model. The atomization particle size prediction method is high in precision, and the design period of the nozzle is shortened.

The invention discloses a basic input and output system version processing method and device, equipment and a medium, and relates to the technical field of computers. The method comprises the following steps of: setting an on-off state of a trusted measurement calculation function as a closed state by default so as to determine that a current system version is a universal version; when the system start is in an SEC stage, detecting the on-off state of the trusted measurement calculation function, and when the system start is in a PEI stage, detecting the card slot position state corresponding to the trusted hardware module for enhancing the system security; and when a version switching event that the universal version needs to be switched into the confidential version is monitored, selecting a switching strategy for switching the system version according to the switch state and the card slot position state so as to start a trusted measurement calculation function according to the switching strategy, and switching the universal version into the confidential version. By means of the technical scheme, the operation safety of the trusted measurement calculation function can be guaranteed, and switching from the universal version to the confidential version can be achieved.

The present application relates to a safety valve pressure relief performance test system and method, and belongs to the field of safety valve testing. The safety valve pressure relief performance test system of the present application includes: an electronic pressure relief valve, which is arranged on the safety valve pressure relief test inlet pipeline; and a controller, which is connected to the electronic pressure relief valve and is used to send a pressure relief pressure control signal to the electronic pressure relief valve, so that the electronic pressure relief valve can adjust its own pressure relief pressure according to the pressure relief pressure control signal, and then adjust the water pressure of the test water entering the safety valve pressure relief test inlet. Through the present application, it is possible to provide a variety of test water pressures to the safety valve for pressure relief testing through a water supply end, and can realize pressure relief testing under a variety of pressure relief conditions, which helps to reduce the testing workload and improve the testing efficiency.

The invention provides a low transmissivity-energy absorption curtain grouting material proportion design method, and relates to the technical field of underground engineering and blasting engineering. Determining the primary and secondary sequence of the influence of each factor on the rheological property; determining the primary and secondary sequence of the influence of each factor on the physical performance through an indoor test; adopting a split Hopkinson pressure bar test to obtain a primary-secondary sequence of the influence of each factor on the energy absorption performance; determining an optimal matching scheme according to the orthogonal test result, and verifying the rationality of the optimal matching scheme by combining the theoretical analysis of the transmission and reflection performance; and a blasting test is carried out, the actual damping effect of the grouting curtain adopting the optimal matching scheme is detected, and the damping rate of the grouting curtain is calculated. According to the technical scheme, the problems that in actual engineering, the proportion of grouting materials is difficult to determine, and the damping effect of the grouting curtain is difficult to quantify are solved, the blasting vibration peak value of the buried pipeline under the blasting vibration effect is effectively reduced, and a guarantee is provided for underground pipe network protection and blasting engineering safety construction.

The invention discloses a maintenance tightness detection device and method for a discharge outboard short pipe of an underway ship, and the device enables the discharge outboard short pipe to be exposed out of the water surface in a manner of adjusting ballast water when the discharge outboard short pipe leaks or is damaged, can cut and replace a damaged pipe section on the discharge outboard short pipe in a cabin, and carries out the maintenance of the discharge outboard short pipe. And then, the tightness detection device is mounted in the repaired outboard short pipe to carry out tightness test on the outboard short pipe, so that the problem that the risk coefficient is high when a frogman carries out underwater maintenance operation outside a ship is effectively solved.

The application provides a motor Hall signal high fault-tolerant acquisition device and method, and belongs to the technical field of motor control. The device comprises: a Hall acquisition circuit, used for acquiring original three-phase Hall signals; an auxiliary acquisition circuit, used for monitoring motor operating parameters and generating three-phase auxiliary position signals; a core algorithm circuit, used for, when it is determined that the original Hall signals have failed, reconstructing compensation Hall position signals based on the three-phase auxiliary position signals and a preset motor physical model, and combining the normal Hall signals to generate final three-phase Hall position signals; and a Hall signal output circuit, used for conditioning and outputting the final signals. The application solves the problems of the existing Hall signal fault-tolerant scheme, such as limited fault-tolerant capability, increased system complexity and poor universality. By solidifying fault diagnosis and signal reconstruction in independent hardware, correct position signals can be continuously output even when all Hall sensors fail, thereby greatly improving the reliability of the motor system, simplifying the main control software design, and having good universality.

The invention relates to the field of image data transmission, in particular to a high-speed image data optical fiber transmission system which comprises a detector, a serial-parallel conversion module, a multi-channel data cache memory, a non-uniformity correction module, a Reed-Solomon encoder, a 64B66B interval adjuster, a scrambler, a GTX transmitter and an optical fiber module. According to the count value of the read operation counter, the specific positions of a row head identifier and a row tail identifier are set according to the combination of the detected image data effective indication cycle count signals when the count value of the read operation counter is 0, and meanwhile, the positions of the rising edge and the falling edge of an FIFO read stage enable signal are set; and except the specific positions for setting the row head identifier and the row tail identifier, the rest positions are set as data read by the FIFO when the read enable delay signal of the FIFO is at a high level, and the rest positions are set as synchronous codes. According to the invention, stable and reliable transmission of high-speed image data under various relative phase relationships can be ensured.

The invention discloses a power distribution gateway panoramic detection method and system, terminal equipment and a computer readable storage medium, and the method comprises the steps: matching a file name and a suffix name of a product model file with a preset data table, and carrying out the data analysis of the successfully matched product model file, and obtaining a first static parameter and a first dynamic parameter; generating a registration signal according to the first static parameter and sending the registration signal to the power distribution gateway, so that the power distribution gateway registers according to the registration signal, and verifies whether information filling is complete, whether the IP address is repeated and whether the port number is occupied; the verification result is received from the power distribution gateway, and the first dynamic parameter is sent to the power distribution gateway, so that the power distribution gateway generates a second dynamic parameter according to the first dynamic parameter; and receiving a second dynamic parameter returned by the power distribution gateway, verifying whether the data type of each field in the second dynamic parameter accords with the preset data type, if so, storing the verification result, and if not, sending an error prompt and outputting a non-conformity field.

The invention relates to a support conversion device, in particular to a rotary machine support conversion device, and aims to solve the problems that the continuity of a test needs to be broken, shutdown is repeated, the installation period is long and the test efficiency is low due to the fact that vibration operation of machine legs of a steam turbine converts elastic support of a load system into rigidity. The lower wedge-shaped sliding block is placed on the adjusting gasket, the inclined face of the upper wedge-shaped block and the inclined face of the lower wedge-shaped sliding block are oppositely arranged in a matched mode, the vertical guide column set is fixedly installed on the upper wedge-shaped block, the transverse guide column is horizontally inserted into the transverse guide column, and the transverse guide column and the vertical guide column set are arranged in a matched mode. The transverse guide column drives the vertical guide column set to ascend and descend on the lower wedge-shaped sliding block. The invention belongs to the field of turbines.

The utility model discloses lockset thrust test equipment and a lockset thrust test system. The lockset thrust test equipment comprises a base, a lock cylinder fixing plate, a sliding plate, a pull and push dynamometer and a moving assembly. The lock cylinder fixing plate is connected to the base, the sliding plate is connected to the base, the lock cylinder fixing plate and the sliding plate are oppositely arranged, the pull and push dynamometer is arranged on the sliding plate, and the moving assembly is connected with the base and the sliding plate; the lock cylinder fixing plate is used for installing an American-standard lock, and when a spring bolt of the American-standard lock is retracted, the moving assembly drives a measuring head of the pull and push dynamometer to make contact with the spring bolt of the American-standard lock. When the lock tongue of the American-standard lock is locked, the push-pull dynamometer displays the thrust value of the lock tongue. According to the lock thrust test equipment, the test workload is reduced, and the position does not need to be adjusted again when different American-standard locks are tested, so that the thrust test efficiency of the American-standard locks is improved.

The invention belongs to the technical field of wind tunnel tests, and discloses a static loading device and a static loading method for temperature compensation of a semiconductor balance. A strut is fixed on a base of the loading device, a lower retaining ring is fixed at the top end of the strut, and an upper retaining ring and the lower retaining ring are vertically symmetrical and fixed to form a retaining ring assembly; the rotating ring rotates in the retaining ring assembly and is provided with an opening, a mounting platform is arranged on the inner wall of the rotating ring corresponding to the opening, a turntable is fixed on the mounting platform, the rear end of the supporting rod is inserted into the turntable, and the front end of the supporting rod penetrates through the opening and extends out of the retaining ring assembly; and a semiconductor balance is fixed at the front end of the supporting rod and is sleeved with a loading head. The loading method comprises the following steps: installing the static loading device; placing the test piece in a temperature control box for loading and cable connection; performing a static loading test; and carrying out data processing. According to the invention, simultaneous loading of six component loads is realized through vector decomposition, zero drift and sensitivity drift compensation of six components is obtained, and the method has engineering practical value.

The invention provides a display resolution adjusting method and related equipment. The method comprises the following steps: selecting EDID data which take effect at present through a switch controller; sending the EDID data which take effect at present to a display; and indicating the display to display a target image at the resolution corresponding to the currently effective EDID data. The method for adjusting the display resolution provided by the invention can solve the problem of tedious operations such as frequent replacement of a display and a connecting line in a display compatibility test, so that the test workload is reduced, and the test efficiency is improved.

The invention relates to a multi-Bluetooth module testing method. Wherein the multi-Bluetooth module comprises a first Bluetooth unit and a second Bluetooth unit; the method comprises the following steps: S1, establishing connection between an upper computer and a first Bluetooth unit and connection between the upper computer and a second Bluetooth unit; s2, the upper computer controls the first Bluetooth unit and the second Bluetooth unit to establish a first communication connection; and S3, performing a performance test between the first Bluetooth unit and the second Bluetooth unit, and feeding back test data to the upper computer. According to the invention, the performance test is carried out between the first Bluetooth unit and the second Bluetooth unit, so that the test workload can be reduced, the test time of the multiple Bluetooth modules is shortened, and the test efficiency is improved.

The present invention belongs to the field of friction stir welding, and provides a multi-scale prediction method and system for the microstructure of an ultrasonic-assisted friction stir weld, including obtaining the temperature, strain and strain rate in the friction stir welding process based on a macroscopic prediction model of friction stir welding; establishing a microstructure evolution model based on the characteristics of dynamic recrystallization and grain growth of weld metal, considering the uneven distribution of deformation storage energy and the pinning effect of precipitation phase on grain boundaries; simulating the evolution process of the microstructure of the friction stir weld using the microstructure evolution model according to the temperature, strain and strain rate in the friction stir welding process, predicting the distribution and change process of grain size and microstructure in the welding process under different process parameters according to the evolution results, and guiding the optimization control of the welding process. The method of the present invention can realize the rapid prediction of the microstructure of the ultrasonic-assisted friction stir weld of aluminum alloy.

The present invention relates to a method for testing multiple Bluetooth modules. The multiple Bluetooth modules include a first Bluetooth unit and a second Bluetooth unit; the method includes the following steps: S1, establishing a connection between a host computer and the first Bluetooth unit and the second Bluetooth unit; S2, the host computer controls the first Bluetooth unit to establish a first communication connection with the second Bluetooth unit; S3, performing a performance test between the first Bluetooth unit and the second Bluetooth unit, and feeding back the test data to the host computer. The present invention can reduce the test workload, shorten the test time of multiple Bluetooth modules, and improve the test efficiency by performing a performance test between the first Bluetooth unit and the second Bluetooth unit.

The embodiment of the invention provides a virtual gateway testing method and system, electronic equipment and a storage medium, relates to the field of cloud computing networks, is applied to testing equipment comprising a first testing port and a second testing port, and comprises the steps that the first testing port is used for testing a virtual gateway based on a routing table item, and the second testing port is used for testing the virtual gateway based on the routing table item; constructing a first test message and a test strategy, and sending the first test message to the virtual gateway; the second test port receives a second test message sent by the virtual gateway; and the second test port receives and analyzes the second test message based on the receiving strategy, and outputs the first test result under the condition that the second test message meets the test condition. The test message and the test strategy are generated based on the routing table item through the first test port, and the test message is tested through the second test port, so that the test requirement can be met based on one test device, the test strategy does not need to be configured manually, the test efficiency is improved, and the test difficulty and workload are reduced.

The invention belongs to the technical field of electromagnetic environment effect, and particularly relates to an insulation device for an aircraft electrostatic discharge test and a design method, the insulation device is an insulation plate, and the edge of the upper surface of the insulation plate is provided with a plurality of circles of annular grooves. The design method comprises the following steps: step 1, calculating and determining the size of the edge, constrained by an aircraft wheel, of the insulating plate according to constraint conditions of an aircraft on the insulating plate; 2, calculating the minimum creepage voltage when the insulating plate is not provided with the annular groove; 3, calculating the creepage distance of the insulation board needing to be prolonged through the slotting; step 4, calculating and determining the size of the edge, which is not restrained by the airplane wheel, of the insulating plate; step 5, determining a slotting area range; and 6, calculating the number of the annular grooves. And determining the depth and width of the annular groove.