13results about How to "Reduce testing workload" patented technology

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 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 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 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 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 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 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.