29 results about "Stability test" patented technology

This application provides a testing method, system, device, and medium for power module alarm functions. The method includes setting up a standard storage environment within a current storage system and writing a test script into the current storage system; executing the test script; generating a test initiation prompt to guide the user to select test items and test types; receiving first feedback data generated by the user in response to the test initiation prompt, wherein the first feedback data includes the selected target test item and test type; if the test type included in the first feedback data is a functional test, then executing a first test rule to determine whether the power module alarm function corresponding to the target test item in the current storage system is normal; if the test type included in the first feedback data is a stability test, then executing a second test rule to determine whether the power module alarm function corresponding to the target test item in the current storage system is stable. This verifies the functionality and stability of the power module alarm function reporting.

This invention discloses an experimental apparatus and method for testing the stability of natural gas hydrate wellheads. The experimental apparatus includes a drilling platform motion simulation subsystem, a wellhead assembly subsystem, and a hydrate simulation subsystem. The wellhead assembly subsystem includes a simulated wellhead and a conduit connected to the simulated wellhead. The hydrate simulation subsystem includes a fixed sleeve filled from bottom to top with a layer of backing soil and a hydrate simulation layer, and a soil pressurization simulation mechanism mounted on the fixed sleeve. The conduit passes through the backing soil layer of the soil pressurization simulation mechanism. This allows the force exerted by the backing soil layer on the conduit to more closely resemble actual conditions, thereby improving simulation accuracy.

The application provides a multi-sphere spectrometer comprehensive stability test platform and relates to the technical field of radiation measurement equipment test and calibration auxiliary devices. The supporting assembly comprises a plurality of cantilever arms which are distributed in the circumferential direction of the supporting rod, one end of the cantilever arm is close to the supporting rod, the other end of the cantilever arm extends away from the supporting rod, one end of the cantilever arm away from the supporting rod is provided with a sphere assembly, and the supporting assembly is further provided with a pulling structure which is arranged between the corresponding cantilever arm and the supporting rod. The multi-layer and multidirectional arrangement of the supporting assembly and the cantilever arm can realize the synchronous installation of a plurality of sphere assemblies with different specifications. The pulling structure and the cantilever arm cooperatively form a triangular supporting structure, so that the bearing capacity and the anti-overturning performance can be effectively improved. The layered arrangement and the gravity center control of the sphere assembly are beneficial to realizing the comprehensive stability test of the multi-sphere spectrometer and improving the test efficiency and the test consistency.

The application provides a multi-dimensional test method and system for a converter power supply, a terminal and a storage medium. The method comprises: acquiring an input voltage range, a first load sequence and a second load sequence; inputting a first voltage sequence to the power supply at a preset step according to the input voltage range, to acquire a second voltage sequence of the power supply and generate a voltage stability test result according to the second voltage sequence; performing a first load switching on the power supply several times according to the first load sequence, to acquire a third voltage sequence of the power supply and generate a load response test result according to the third voltage sequence; performing a second load switching on the power supply several times according to the second load sequence, to acquire an input power sequence, an output power sequence and a temperature sequence of the power supply and generate a power stability test result and a thermal stability test result according to the input power sequence, the output power sequence and the temperature sequence; and generating a multi-dimensional test result of the power supply according to each test result and a preset tolerance range, to improve the efficiency and comprehensiveness of the power supply test.

The application relates to the field of server testing, and discloses a method, device and equipment for testing the stability of a server and a readable medium. The method comprises the following steps: obtaining configuration information for stress testing of a physical host associated with a server; establishing a virtual machine configuration template based on the configuration information and the type of stress testing; establishing corresponding virtual machines based on the virtual machine configuration template and performing stress testing according to a preset test time; and judging the stability of the server according to whether each virtual machine and the physical host are abnormal. The method disclosed by the application can simulate the stress environment of a server in a virtual machine environment in an actual application process, and is more suitable for an actual application scenario.

The present application relates to a kind of anti-interference multi-channel horn synchronous stability test method, comprising the following steps: host computer sends function trigger instruction to the horn of measured DUT, executes preset sound function, and generates mechanical vibration;Vibration acceleration sensor detects the mechanical vibration situation of the horn of measured DUT;Multi-channel data acquisition card collects the analog voltage signal synchronization of each channel;Host computer processes and analyzes the voltage signal of each channel received, judges the sound stability of the horn of each channel measured DUT.Using the anti-interference multi-channel horn synchronous stability test method, system, device, processor and computer readable storage medium thereof of the present application, multi-channel horn can be tested simultaneously in a space, the cost is also lower, has strong practical value.The present application can resist environmental sound interference, multi-channel can be tested simultaneously, occupies smaller volume and is not connected to network, and can be used for the sound strategy and function of stable measurement system.

The application provides a stability test method for a helicopter hub top-mounted vibration active control system. The method comprises the following steps: determining a stability test item, wherein the stability test item comprises a constant-speed system stability test, a variable-speed system stability test, a dangerous-speed-range stability test and an actuator power-off stability test. The constant-speed system stability test is used to simulate a constant-speed working state of a helicopter hub and to check whether the hub top-mounted vibration active control system is stable. The variable-speed system stability test is used to simulate a variable-speed working state of the helicopter hub and to check whether the hub top-mounted vibration active control system is stable. The dangerous-speed-range stability test is used to obtain an inherent frequency of a coupled rotor system formed after the hub top-mounted vibration active control system is installed on a test device and to check whether the coupled rotor system is stable when passing through the inherent frequency. The actuator power-off stability test is used to simulate an actuator power-off fault and to check whether the hub top-mounted vibration active control system is stable. The method can effectively check the stability of the hub top-mounted vibration active control system.

The application relates to the technical field of testing, and particularly discloses a hard disk testing method and device, computer equipment and a storage medium, the method comprises the following steps: controlling a first port and a second port of a dual-port solid state disk to execute a load test, and executing a power-off operation and a power-on operation on the first port and the second port; after the power-off operation and the power-on operation are executed on the first port and the second port, detecting whether the states of the first port and the second port are normal and whether test basic information is normal; in response to the states of the first port and the second port being normal and the test basic information being normal, returning to the step of controlling the first port and the second port of the dual-port solid state disk to execute the load test; and in response to the state of the first port or the second port being abnormal or the test basic information being abnormal, collecting dual-port solid state disk test information. Through the scheme, the stability test after power-off and power-on is realized, and the test efficiency is improved.

This invention discloses a performance testing method for a plate roll sensor used in a stainless steel strip rolling line, belonging to the field of sensor performance testing technology. It solves the problems of inaccurate monitoring caused by interference and temperature variations in current plate roll sensor performance testing. The method involves: constructing a voltage matrix based on the first voltage values ​​of all plate roll sensors within the corresponding plate roll of the stainless steel strip rolling line; calculating the reference voltage value of the plate roll sensor based on the voltage matrix; determining whether the no-load stability test of the plate roll sensor is qualified; obtaining the test temperature set of the plate roll sensor based on test temperature analysis; and then combining the test temperature set with the third voltage value to determine whether the load response stability of the plate roll sensor is qualified; and finally determining whether the performance test of the plate roll sensor is qualified. This invention enables performance evaluation of the plate roll sensor under temperature variation conditions, improving the accuracy of performance testing in reproducing the actual rolling conditions of the plate roll sensor.

This invention discloses a ground-based integrated verification test method for an electric propulsion system, comprising: Step 1, pre-test test design and ground verification system installation, determining the test parameters and system architecture of the electric propulsion system, and integrating and installing the electric propulsion system and its test system on a ground test platform; Step 2, conducting ground tests on the electric propulsion system installed on the ground test platform, including at least one of the following: propeller-engine matching parameter tuning test, rapid load-carrying performance detection, operating parameter testing test, stability test, ultimate power test, control test under velocity sensor failure state, and fault-tolerant control test; Step 3, processing the test data from multiple tests in Step 2 and generating a test report. The technical solution of this invention can verify the operational risks of an electric propulsion system, understand its operational capabilities, and provide experimental technical support for the research, development, and airborne use of electric propulsion systems.

The application discloses a nursing education traceable, interpretable and verifiable large model intelligent teaching assistant system and method, which comprises an input capture and semantic analysis module, a multi-source knowledge retrieval and versioned traceability module, an executable reference and piece-by-piece binding module, a causal evidence graph and structured explanation generation module, an evidence consistency and counterfactual stability verification module, and a replayable decoding and evidence storage module; the input analysis module generates a standardized problem template and risk level information; the knowledge retrieval and traceability module outputs a candidate evidence set with source segment fingerprints; the information binding module binds answer units and evidence fingerprints to generate reference mapping; the causal evidence graph module constructs a structured explanation graph; the multi-dimensional verification module performs logical consistency and counterfactual stability tests and outputs verification results; and the decoding and evidence storage module stores replayable decoding information. The application realizes answer segment level traceability, structured machine verifiable explanation and deterministic result replay through the construction of a modular system.

The utility model provides a stability experiment cabinet which comprises a storage cabinet assembly and a control cabinet assembly, the storage cabinet assembly comprises a cabinet door, the control cabinet assembly is located on the side of the storage cabinet assembly, the storage cabinet assembly is fixedly connected with the control cabinet assembly, the cabinet door is located on one side of the storage cabinet assembly, and the cabinet door adopts a double-door design. The test cabinet has the advantages that the control cabinet and the temperature and humidity equipment are all arranged on the side of the storage cabinet by adopting a transverse layout, so that the height of the test cabinet is greatly reduced, and the test cabinet is convenient to carry; and meanwhile, the depth of the storage cabinet is reduced, the taking and placing of a user sample of the high-capacity stability test cabinet are improved, and the minimum passing size of carrying is reduced.

This invention relates to the field of signal processing technology, and particularly to a timestamp stability testing method and system for high-dynamic bidirectional ranging receivers. The method includes: S1: Constructing a discrete state transition model, introducing a normalized Doppler offset vector and a Doppler acceleration recursive mechanism, and establishing a real-time simulation algorithm framework; S2: Completing state recursive calculations based on the model and outputting transition output parameters; S3: Obtaining the output recursive parameters through the Doppler acceleration recursive mechanism, connecting them with the discrete state transition output parameters to generate a time-scaling baseband signal; S4: Interconnecting the time-scaling baseband signal with the receiver under test's synchronous demodulation algorithm, obtaining the demodulated timestamp information, analyzing its statistical characteristics and signal-to-noise ratio mapping relationship, and completing performance testing. This invention can accurately simulate high-dynamic Doppler acceleration effects, is implemented with low resource consumption using FPGA, establishes a standardized quantitative evaluation system, and provides a high-precision hardware-in-the-loop platform for receiver performance testing.

This utility model relates to the technical field of SSD testing, and in particular to an industrial control fixture for optimizing SSD testing. It includes a base and a test board, with the test board mounted on the upper surface of the base. One end of the test board is a slot, and the opposite end is a support end. The slot has a solid-state slot for inserting the interface end of the SSD for testing. The support end has a support post for supporting the non-interface end of the SSD. The base has a locking hook rotatably connected to itself, one end of which can engage with the non-interface end of the SSD to limit its position. In summary, this industrial control fixture for optimizing SSD testing solves the problems of poor contact during tilt testing and inefficient bolt fixing by quickly engaging and limiting the non-interface end of the SSD with the locking hook. Combined with a pressing protrusion to extend the lever arm, it reduces the unlocking pressure, avoids finger wear, and significantly improves SSD connection stability, testing accuracy, and operational efficiency, making it suitable for high-frequency testing scenarios.

The invention relates to material quality metrics and methods of use thereof. Mobile ion characteristics of a material are measured via administration of a stability test. The stability test comprises an assessment of current voltage characteristics and transient current response conducted at a series of temperatures with varying device architectures.

This utility model discloses a stability testing device for a strain sensor, comprising a fixed frame, a loading member, and a base plate. The top plate of the fixed frame has downward-facing vertical walls at both ends. The base plate is slidably or fixedly disposed between the two vertical walls and is located parallel to the bottom plate. A loading member is disposed on the top plate of the fixed frame, facing the base plate. The loading member applies different intensities of loading force to the sensor under test, which is horizontally placed on the base plate, in a direction perpendicular to the base plate. This utility model is applicable to strain sensors subjected to force, enabling stability testing of the sensor under different loading forces.

The application discloses a thin-wall angular contact ball bearing post-assembly pre-tightening force stability test system and belongs to the technical field of precision bearing test, specifically comprises a simulation working condition assembly module, a multi-dimension test driving module, a multi-path test data acquisition module and a multi-dimension evaluation module; the application is a complete technical chain from direct sensing perception to systematic excitation to quantitative feature extraction to multi-dimension intelligent diagnosis, is based on direct integration sensing of the bearing body to realize accurate data perception, realizes multi-factor isolation evaluation and coupling analysis means in the systematic test path oriented by failure mechanism, realizes the output of diagnosis conclusion by the quantitative feature parameter system and the intelligent evaluation model as the core, finally achieves the overall technical effect of full-dimension coverage, full-process tracing and intelligent evaluation on the post-assembly pre-tightening force stability of the thin-wall angular contact ball bearing, and effectively solves the technical problem that the long-term stability of the pre-tightening force cannot be systematically evaluated.

The present application belongs to the technical field of improving wharf bollard safety, and discloses a protection device and system for improving wharf bollard safety, which comprises a bollard monitoring module, a main control module, a monitoring video enhancement module, a bollard rust detection module, a corrosion judgment module, a stability test module, an alarm module and a display module. The monitoring video enhancement module considers the wharf bollard monitoring video clip as a frame sequence. For each frame in the frame sequence, there may be a certain time sequence correlation between the frame and the adjacent multiple adjacent frames, such as texture, color, motion trajectory, etc. A high-quality enhanced frame corresponding to the target frame is obtained, effectively improving the picture quality. At the same time, the bollard rust detection module reduces the influence of the background on the image segmentation stage, and realizes classification and positioning of power corrosion at the pixel level.

The application provides a Python-based multi-thread remote server stability test system and method, and relates to the technical field of server testing.The system comprises a GUI interaction module, a multi-thread control module, an SSH communication module and the like, test parameters can be input through a GUI visual interface, password-free login is not required, and multiple servers can be tested in parallel;the method collects server component information through SSH remote connection, compares the information collected for the first time, executes test modes such as AC cycle and reboot, and collects and stores test logs out-of-band.The application simplifies the test preparation process, avoids the security risks of password-free login, improves the efficiency of multi-server parallel testing, and is convenient for abnormal traceability, and is suitable for stability test scenarios of large-scale server clusters.

The application discloses a new energy automobile high-voltage component wake-up stability test method and system, the system comprises a control core, a single-chip microcomputer controller, a relay module and a CAN module, and is provided with a self-powered time keeping module; the single-chip microcomputer controls the relay module to simulate repeated power-on of a storage battery, and in the simulation process, the self-powered time keeping module is used to continuously supply power to a real-time clock when the system main power is interrupted, so that continuous time stamps are added to each frame of bus message; through analysis of the time stamp sequences of wake-up messages and response messages in the repeated on-off period, the wake-up behavior time sequence of the component is reconstructed, and the wake-up success rate and delay are calculated. Through the introduction of a timing mechanism independent of the main power supply, in the extreme scenario of repeated on-off of the storage battery, the technical problems of losing time sequence information at the moment of power failure and being difficult to accurately trace the source are overcome, the reliability and precision of the test under extreme working conditions are significantly improved, and therefore the wake-up stability of the automobile high-voltage component can be effectively evaluated.

This invention relates to the field of data processing technology, specifically to a chip stability testing method for abnormal environments. The method involves: obtaining abnormal fluctuation points based on the data fluctuation characteristics of a feature monitoring sequence; determining the degree of abnormality of the fitting window based on the number of abnormal fluctuation points within the fitting window and the changing trend of the feature monitoring sequence over the same time period; obtaining an adaptive target window based on the degree of abnormality; determining the degree of suspected noise based on the local data difference characteristics of data points within the adaptive target window and the data change characteristics of data points and their nearest abnormal fluctuation points; and adaptively adjusting the weights in the LOESS algorithm based on the degree of suspected noise to obtain improved weights. This invention determines whether to perform weighted regression based on the improved weights of all data points within the fitting window to obtain an improved feature monitoring sequence; and performing stability analysis based on the improved feature monitoring sequence, thus improving the accuracy of the analysis.

The application provides a trusted SIS application access control function stability test method and device, relates to the test technical field of trusted safety industrial control systems, and comprises the following steps: a test environment is constructed, a test engine, a randomness analysis program and a configuration file are deployed to a trusted SIS device and compilation configuration is completed; a parameter pool is preset based on the configuration file, a parameter is randomly selected by the test engine to generate and configure a subject and object access control strategy; the validity state of the strategy is verified, a legal access operation of an authorized subject and a rule violation access operation of an unauthorized subject are respectively executed, access operation execution state checking and operation log checking are synchronously completed; a random parameter sequence used in each test cycle process is recorded; the configured strategy is deleted and the invalidity state of the strategy is verified, randomness statistical analysis is completed based on the random parameter sequence, and a visual test report is automatically generated. The problems of low artificial test efficiency and large errors are fundamentally solved.

The application discloses a kind of forest fire-fighting unmanned plane stability test methods.The existing fire-fighting unmanned plane in the process of extinguishing fire, the water flow drop point position that unmanned plane sprays cannot accurately fall on fire source, so that the efficiency of extinguishing fire is greatly reduced, and the stability of unmanned plane is poor.The application calculates the drop point of the water flow of unmanned plane accurately, calculates from the movement of unmanned plane and the rotation of unmanned plane itself, considers the multidimensional flight change of unmanned plane, accurately predicts the drop point of the water flow, verifies the actual fire-fighting effect of unmanned plane, and ensures that unmanned plane can stably play in the process of fire extinguishing.

The present application relates to the technical field of textile equipment testing, in particular to a yarn textile high-speed spindle running stability testing method and system, comprising the following steps: S1. Test element layout; S2. System initialization; S3. Transient test; S4. Steady-state test; S5. Interference processing: spectrum analysis of original collected data, identification of interference frequency characteristics, combination of notch filtering and Kalman filtering to eliminate interference and verify filtering effect; S6. Parameter correlation modeling: control variable method is used to construct vibration-temperature-tension-rotation speed parameter correlation model, model parameters are solved through fitting algorithm and effectiveness is verified; S7. Quality traceability; S8. Stability determination; S9. Real-time monitoring and regulation. The present application adopts a combination filtering scheme of notch filtering and Kalman filtering, specifically suppresses fixed interference such as power frequency and mechanical resonance and random interference, through local amplified signal comparison, it can be seen that the filtered signal waveform is smooth and noise is completely removed, and the signal-to-noise ratio and reliability of the vibration detection signal are improved.

The application provides a dry-process electrode delamination defect inhibition method based on in-situ monitoring, comprising the following steps: S1, collecting the calendering pressure data and the powder fluidity data in real time from the dry-process electrode preparation process, classifying the interaction mode of the calendering pressure level and the powder fluidity index, and determining the potential delamination defect risk area; S2, simulating the material bonding force distribution through a neural network model, judging the interlayer stress difference value, and if the interlayer stress difference value exceeds a preset stress difference threshold, adjusting the calendering pressure parameter to the powder fluidity matching range to obtain an optimized process parameter set; S3, running a structure stability test in a simulation environment to obtain the delamination defect occurrence probability of the electrode material; S4, extracting the performance consistency index from the delamination defect occurrence probability, comparing and matching with historical data through iteration to determine the final defect control scheme; and S5, updating the real-time monitoring module of the preparation process by using the final defect control scheme to obtain a stable output result for battery industry application.

The application provides a kind of magnetic suspension bearing stability test method and test device, the test method includes: real-time acquisition is output by excitation signal generator excitation input signal and error voltage signal, and error voltage signal is input into target magnetic suspension bearing system, and frequency response output signal is obtained;Using generalized integrator is filtered respectively to excitation input signal and frequency response output signal extraction, and excitation response signal is obtained, and the target sensitivity test result of target magnetic suspension bearing system is determined;By analog weather approximation model based on multiple weather test parameter groups and the system parameters of target magnetic suspension bearing system, sensitivity boundary result is output, and the target sensitivity test result is compared with sensitivity boundary result, and the stability test result of target magnetic suspension bearing system is determined.Through the above method, the accuracy, stability and efficiency of the stability test of magnetic suspension bearing are improved while the computing resources are saved.

This invention discloses an application stability testing method and apparatus, relating to the field of computer technology. One specific implementation of the method includes: receiving a test request for an application; acquiring the application's network state data at the current moment; wherein the network state data includes multiple attributes and corresponding state values; inputting the current moment's network state data into a preset model to obtain the application's network state data at the next moment; wherein the prediction model is constructed based on the temporal dependencies between attributes; simulating a weak network environment based on the next moment's network state data; running the application in the weak network environment to obtain the application's performance index data to evaluate the application's operational stability. This implementation, through a preset model constructed based on the temporal dependencies between attributes, can generate next-moment network state data that more closely resembles the characteristics of a real network environment, thereby effectively improving the accuracy of evaluating the application's operational stability in a weak network environment.

A test calibration device for a linear beam detector includes: a gas chamber with openings at both ends in a first direction, the openings being spaced a first calibration distance apart; a first lens mounted on each opening to create a sealed cavity within the gas chamber; and a gas sampler connected to a gas chamber conduit for injecting a target gas into the gas chamber. With this structure, the target gas can be injected into the gas chamber via the gas sampler, achieving a predetermined integrated concentration. By positioning the transmitter and receiver of the linear beam detector at the openings at both ends of the gas chamber, the integrated concentration of the target gas within the first calibration distance can be detected. This allows for testing of the linear beam detector, including basic performance tests, alarm activation value tests, range indication deviation tests, and long-term stability tests, and enables calibration of the linear beam detector based on the test results.

This application provides a machine stability testing method, a machine stability testing device, and an electronic device. The method includes: controlling the BIOS to enter a monitoring mode and sending test commands to the BMC via a test script. The monitoring mode is a mode in which the BIOS monitors the machine's status, and the test commands are used to control the motherboard to perform test operations through the BMC; when the BIOS detects an abnormality in the machine, controlling the BIOS to enter a check mode to obtain a first abnormality log and send the first abnormality log to the BMC. The first abnormality log is a log recording the abnormal feedback from machine components when the machine is abnormal; when the BMC receives the first abnormality log, obtaining a second abnormality log, the second abnormality log is the operating log of the machine component corresponding to the first abnormality log; and controlling the BMC to execute a forced restart test command, thus solving the problem of wasted time due to test interruptions in stability testing in related technologies.