168 results about "Stability test" patented technology

The invention relates to the field of computer systems, in particular to an operation stability testing method and system oriented to a heterogeneous computing system, and the method comprises the steps: constructing a system overall operation logic model comprising a resource topological structure, a task scheduling rule and a communication link matrix; identifying a key communication path according to the communication link matrix, analyzing a resource competition hotspot in combination with a task scheduling rule, and establishing an interference model library; calling a specific model instance in the interference model library according to a test target, configuring injection parameters, and dynamically applying interference in a system operation process; key performance indexes in the system operation process are collected in real time; based on the real-time monitoring data, a multi-index weighted scoring algorithm is adopted to calculate an overall stability coefficient, a robustness grade and a self-healing capability index of the system, and a stability evaluation result is generated; and generating a visual report according to the topological structure of the operation logic model, and supporting comparison and analysis of historical versions. Unified centralized management is realized, and test efficiency and evaluation accuracy are improved.

The invention belongs to the field of wind tunnel experiments in a hypersonic flow field environment, and discloses a multi-degree-of-freedom high-frequency motion simulation device for an aircraft dynamic stability test and a calculation method for realizing an actuation angle. According to the technical method, calculation is carried out on the basis of an electromechanical coupling equation, determined by electrical parameters and mechanical parameters, of a piezoelectric material. Modeling can be carried out according to a piezoelectric equation to obtain a calculation method between the voltage applied by the piezoelectric actuator and the pitching and yawing actuation angles of the device, so that the excitation effect of the device in the ground test process can be accurately controlled and predicted. The method is not only suitable for pitching and yawing two-degree-of-freedom actuation calculation, but also can be used for calculating the actuation angle of a three-axis degree-of-freedom experimental device added with rolling drive through coordinate transformation under the condition of adding parameters such as rolling angular velocity and the like in the face of the three-axis degree-of-freedom experimental device added with rolling drive. At present, according to a calculation method based on the device, calculation is carried out only by considering the degree of freedom of the pitching axis and the yawing axis.

The invention discloses an end slope mining side slope real-time stability testing system and method, and relates to the technical field of open pit coal mine end slope mining safety monitoring and early warning, and the method comprises the steps that a distributed optical fiber sensing network arranged on a side slope surface and a mining chamber top plate collects acoustic emission and strain time sequences; a solid-state laser radar array arranged on the stope platform collects slope surface point cloud data of the stope platform; during data acquisition, the solid-state laser radar array and the distributed optical fiber sensing network are in time alignment; carrying out slope displacement increment extraction on the slope point cloud data of the monitored area by the edge GPU node; the data analysis cloud platform is used for performing microfracture identification according to the acoustic emission and strain time sequence; and inputting the slope displacement increment, the micro-fracture event count and the strain time sequence into the trained stability evaluation model to obtain a stability evaluation result, and capturing the internal micro-fracture, surface micro-displacement and shear-expansion coupling characteristics in real time, and providing high-reliability instability prediction.

The invention discloses an FAKRA wire harness error code testing device and method, and relates to the technical field of error code testing. The method comprises the following steps of preparation before test, basic electrical test, limit plugging test, vibration test, stability test and test result analysis. According to the method, the initial bit error rate of the to-be-tested FAKRA wire harness is tested by using the bit error tester after the test equipment is calibrated, then the connectors at the two ends and the matched connector are subjected to the limit plugging test, then the vibration test is performed, and the simulation degree of the vibration test is evaluated, so that whether vibration simulation optimization is performed or not is determined; according to the method and the device, firstly, the fluctuation condition of the bit error rate is monitored in the test period, so that whether a clock optimization measure is taken or not is determined, finally, all test data are collected, the stability of the bit error test is ensured, and the problem that the bit error test accuracy is reduced due to the fact that the vibration test simulation degree is not high enough and the simulation quality is unstable in the prior art is solved.

The invention discloses a multi-parameter high-precision automatic test method and system for a voltage reference source, and the method comprises the following steps: selecting a test scheme according to the characteristics of a tested voltage reference source device, and carrying out the testing of starting time, initial precision, temperature coefficient, linear regulation rate and long-term stability; the automatic test system controls the adjustable DC voltage source to adjust the input voltage of the tested voltage reference source device according to the selected test scheme, and controls the high and low temperature test box to adjust the working environment temperature of the tested voltage reference source device; the automatic test system reads voltage data collected by the eight-bit and half-digit meter, and analyzes, processes, classifies and stores the voltage data according to a test scheme. The method is used for overcoming the defects of insufficient precision, poor synchronism and tedious process in the traditional test, and provides a reliable technical means for research, development, verification and mass production screening of the high-precision voltage reference source device.

The invention relates to the technical field of textile equipment testing, in particular to a yarn textile high-speed spindle operation stability testing method and system, and the method comprises the following steps: S1, testing element layout; s2, initializing the system; s3, carrying out transient test; s4, testing a steady state; s5, interference processing: carrying out spectrum analysis on the originally acquired data, identifying interference frequency characteristics, eliminating interference by adopting a notch filtering and Kalman filtering combined method, and verifying a filtering effect; s6, parameter correlation modeling: constructing a vibration-temperature-tension-rotating speed parameter correlation model by adopting a control variable method, solving model parameters through a fitting algorithm and verifying validity; s7, quality tracing; s8, stability judgment; and S9, performing real-time monitoring and regulation. According to the method, a combined filtering scheme of notch filtering and Kalman filtering is adopted, fixed interference and random interference such as power frequency and mechanical resonance are suppressed in a targeted manner, and through comparison of locally amplified signals, the filtered signals are smooth in waveform and thorough in noise removal, and the signal-to-noise ratio and reliability of vibration detection signals are improved.

The invention provides an automatic testing system for the stability of a pressure sensor. The automatic testing system comprises an upper computer, a high-precision pressure controller, a constant-temperature box, a multi-channel electromagnetic valve array, an IO module, a data acquisition module and a testing tool. According to the system, the upper computer controls the high-precision pressure controller to output set pressure, meanwhile, the constant temperature box is controlled to maintain a constant temperature environment, the multi-channel electromagnetic valve array is utilized to circularly switch multiple test channels through a time triggering mechanism, the test process is automatically executed according to a preset period, and the test efficiency is improved. Output data of a sensor to be tested in the constant temperature box under set pressure are collected in real time, a pressure and temperature curve is drawn dynamically, and the data are stored and analyzed. The system supports multi-channel parallel testing, parameter configuration and real-time data visualization, solves the technical problems of low automation degree, poor environment consistency and difficulty in synchronous testing of sensors with different measuring ranges in traditional stability testing, and remarkably improves the testing efficiency and the data reliability.

The invention discloses a trend prediction-based ladder support stability test method and system. The method comprises the following steps of: acquiring a plurality of sensing data of a plurality of support legs of a target ladder in a process of applying tension to the target ladder; according to the sensing data, calculating an overturning possible parameter corresponding to each supporting leg at each historical time point; predicting an overturning trend corresponding to the target ladder according to the overturning possible parameter corresponding to each historical time point; and determining the supporting stability corresponding to the target ladder according to the overturning trend corresponding to the target ladder and historical test data. Therefore, accurate ladder overturning risk quantification and stability evaluation based on full-time-sequence trend prediction and collaborative analysis can be realized, scientificity and foresight of safety detection of a ladder structure are improved, and the risk of personnel falling caused by single-point stress unbalance or non-discovered dynamic overturning is reduced.

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.

The invention belongs to the technical field of vehicle control, and particularly provides a vehicle-mounted peripheral stability test method, a medium and a vehicle, and the method comprises the steps: obtaining target identification information in a vehicle-mounted system, and positioning a to-be-tested target external device based on the target identification information; starting an automatic loop test for the target external equipment, wherein the automatic loop test comprises alternately executing equipment mounting operation and equipment unloading operation; monitoring the running state of the target external equipment and the resource state of the vehicle-mounted system in real time in the automatic cycle test process; and generating a test log based on the running state and the resource state, and determining a stability evaluation result of the target external equipment according to the test log. Through the technical scheme provided by the invention, the stability testing efficiency of the vehicle-mounted peripheral can be improved.

The invention discloses a VXI intelligent self-checking system and method integrated with an isolation and purification power supply in a wind tunnel test environment, and belongs to the technical field of balance force measurement system self-checking of a wind tunnel test. The problem that in the prior art, a system and a method suitable for isolating and purifying a power supply and intelligently troubleshooting faults of wind tunnel VXI equipment are lacked is solved. The system comprises an isolation power supply module, a purification power supply module and an intelligent self-checking module. The isolation power supply module, the purification power supply module, the power supply and the VXI are connected in sequence, the isolation power supply module is connected with the power supply voltage module, and the VXI is connected with the industrial personal computer; the intelligent self-checking module is connected with the VXI, and the intelligent self-checking module is connected with the industrial personal computer; the isolation power supply module comprises a high-frequency transformer, a rectification circuit and an overvoltage protection circuit which are connected in sequence. According to the invention, the stability, the test precision, the troubleshooting efficiency and the accuracy of wind tunnel test data of the wind tunnel test VXI are improved, and the method can be applied to the troubleshooting of the wind tunnel test VXI.

The application discloses a stability test method, device, equipment and storage medium of a DRAM particle. The method comprises the following steps: restarting a test system for a preset number of times, executing a preset test strategy in a universal boot loader stage of each test system starting process, the preset test strategy comprising the following steps: enabling a CPU cache, and configuring the CPU to access the DRAM particle in a non-burst transmission mode; based on hardware configuration information of the DRAM particle, allocating at least two test areas in an address space of the DRAM particle; traversing each working frequency supported by the test system, testing the read-write stability of the DRAM particle in direct read-write under each working frequency based on the at least two test areas, and testing the read-write stability of the DRAM particle after the test system enters a sleep mode and wakes up under each working frequency. The application has the technical effect of providing sufficient test pressure by using the CPU cache and avoiding external interference after the system is completely started, and effectively improves the comprehensiveness and accuracy of the DRAM particle stability test.

The invention provides a salt-cavern gas storage operation stability test method and application, and the method comprises the following steps: S1, measuring the volume, shape and depth data of a salt-cavern solution cavity, and building a three-dimensional analysis model according to the measured data; s2, importing the three-dimensional analysis model into FLAC 3D software, and dispersing the three-dimensional analysis model of the salt cavern cavity into a plurality of tetrahedron units; s3, determining the ground stress gradient of the location of the salt cavern cavity; a crustal stress field of the three-dimensional analysis model is determined, a three-way isobaric self-weight stress field is adopted, the lower surface of the three-dimensional analysis model simply supports and restrains vertical displacement, and four longitudinal surfaces are subjected to simply supports and restrains in the corresponding normal directions; s4, presetting salt rock and interlayer distribution in the three-dimensional analysis model according to the actual salt rock and interlayer terrain of the salt cavern cavity; and S5, calculating and simulating the static stability of the three-dimensional analysis model, and calculating and simulating the long-term stability of the three-dimensional analysis model.

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.

Evaluation device for monitoring instruments and recording devices installed in dams, characterized in that it comprises the following: a central control unit (1); a built-in instrument detection module (2) which is electrically connected to the central control unit (1) and configured to establish a connection with a built-in monitoring instrument under test and to perform stability tests on the built-in monitoring instrument in order to obtain stability test data; a detection device detection module (3) which is electrically connected to the central control unit (1) and configured to establish a connection with a detection device under test and to perform measurement accuracy tests on the detection device in order to obtain accuracy test data; an insulation resistance detection module (4) which is electrically connected to the central control unit (1) and configured to perform insulation tests on the built-in monitoring instrument to obtain insulation resistance values; an intelligent interaction device (6) that is bidirectionally communicatively connected to the central control unit (1) to set the test parameters, receive and display the stability test data, accuracy test data and insulation resistance measurements, and perform an automated analysis on the received data based on the preset evaluation rules, thereby generating and outputting evaluation results for a built-in monitoring instrument and a detection device.

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 invention discloses a landslide geological slope stability testing device and a using method, and relates to the technical field of slope stability testing devices.The landslide geological slope stability testing device comprises a base, and an angle adjusting mechanism, a testing box, at least one testing unit and a rainfall simulation mechanism are arranged on the base; the angle adjusting mechanism comprises a supporting driving assembly arranged on the base and a rotating assembly connected with the testing box, the supporting driving assembly is used for driving the testing box to rotate around a transverse axis so as to adjust the transverse gradient of the testing box, the testing unit comprises a gradient adjusting assembly and a slope simulation plate, the gradient adjusting assembly is arranged in the testing box, and the slope simulation plate is arranged in the slope adjusting assembly. The output end of the gradient adjusting assembly is connected with the side slope simulation plate and used for driving the side slope simulation plate to rotate around a longitudinal axis so as to adjust the longitudinal gradient of the side slope simulation plate, the rainfall simulation mechanism is arranged on the base, located above the test unit and used for spraying water to the side slope simulation plate, the structure is simple, use is convenient, the application range is effectively widened, and the test efficiency is improved. And the research efficiency is effectively improved.

The memory bank SLT test method, device and equipment and the medium provided by the embodiment of the invention comprise the following steps: in response to a received test instruction signal selected by a target object, configuring a burst length parameter in a unit test period; an SLT test sequence is executed under the burst length parameter, a test report of the memory bank under the test instruction signal is obtained, the SLT test sequence comprises a function verification test sequence, a pressure stability test sequence and a time sequence calibration test sequence, and the test report comprises test data, performance index data, error log data and power consumption data; and determining the fault occurrence rate of the memory bank under the test instruction signal according to the test report. Under the DDR5 standard, the SLT test machine not only supports the test of the BL16 mode, but also supports the test of the BL8 mode and the test of the BL16 and BL8 switching mode, and the test coverage range and depth of the DDR5 memory bank are greatly expanded, so that potential stability problems and performance bottlenecks are found more comprehensively and more accurately, and the test effectiveness is improved.

A double-temperature-zone heat tracing device power stability test device disclosed by the present invention comprises a test box and a heat tracing band, the inner side of the test box is provided with a conveying mechanism, the conveying mechanism is provided with two loading plates capable of lifting and moving, and the tops of the two loading plates are symmetrically provided with overturning clamping assemblies. Correction assemblies are arranged on the two loading plates, each correction assembly comprises a plurality of fixing rings, the multiple fixing rings move in the length direction of the heat tracing band, correction sliding rings are arranged on the inner sides of the fixing rings, and cleaning assemblies used for cleaning the surfaces of the hot plate and the cold plate are arranged at the bottoms of the hot plate and the cold plate. According to the heat tracing band overturning device, efficient and uniform overturning of a soft heat tracing band is achieved, the temperature cycle period needed by pretreatment is remarkably shortened, the contact face of the hot plate and the cold plate is cleaned and maintained through the cleaning assembly, an oxide layer is effectively removed, and the stability of the heat conduction efficiency and the accuracy of a test result in the whole long-period test process of the heat tracing band are guaranteed.

The invention provides an automatic test tool, a test method and a storage medium. The test tool comprises an installation deployment module used for installing a CA server, a virtual desktop client and a far-end session desktop according to a configuration file, reporting the virtual desktop client and the far-end session desktop to the server, and registering on the server to generate registration information; the connection module is used for establishing connection between the corresponding virtual desktop client and the remote session desktop according to the registration information; the load module is used for writing information of the connected remote session desktop into a load module configuration file and starting a load scene of the corresponding remote session desktop; the monitoring module is used for monitoring performance indexes of the server, the virtual desktop client and the remote session desktop; and the scoring module is used for monitoring test information in the stability test process. The automatic test tool disclosed by the invention can be used for carrying out full-process and all-around stability test on the whole system.

The invention discloses a well wall rock stability test device and test method, and relates to the technical field of rock mechanics tests, the well wall rock stability test device comprises an annular flow channel simulation cabin, a rock core, a clamping left side end cover, a clamping right side end cover and a compression clamping rod; the rock core is arranged in the annular runner simulation cabin, the left end of the rock core is sealed by the clamping left side end cover, and the right end of the rock core is sealed by the clamping right side end cover; the compression clamping rod is connected to the clamping left side end cover through a supporting rod and is used for applying axial pressure to the rock core; an annular flow channel simulation cabin, a rock core, a clamping left side end cover, a clamping right side end cover and a compression clamping rod are arranged, and a supporting rod is matched to realize reliable axial loading of the rock core; a mixing tank, a jacket, a water bath, a stirrer and a first thermometer are used for accurately regulating and controlling the temperature and components of injected fluid, an air bath, an electric heater and a second thermometer are combined for simulating the real underground stratum thermal environment, and controllable injected liquid backflow is constructed through a plunger pump, a third ball valve, a twelfth ball valve, a fifth ball valve, a sixth ball valve and a seventh ball valve.

The invention relates to the technical field of photovoltaic modules, and discloses an IV test method and device, electronic equipment, a storage medium and a program product, and the method comprises the steps: carrying out the light bath pretreatment of a module, and evaluating the effect through a power stability test; after the standard is reached, forward and backward voltage scanning tests are carried out, the scanning speed is controlled to enable the hysteresis to be lower than a preset threshold value, and the test power is determined to be stable based on a power stability criterion; and then a fill factor and photoelectric conversion efficiency are calculated, and an efficiency true value is evaluated through a weighted average function. Short-term stability is established through preprocessing, and initial fluctuation caused by the capacitance effect is reduced; the power test ensures a reliable starting point; carrying out scanning control and criterion suppression on hysteresis errors; and the weighted average improves the accuracy. The hysteresis error problem caused by the capacitance effect is effectively solved, efficient and accurate testing is achieved, and the testing speed and the result reliability are improved.

The application relates to the field of performance management, and discloses a core performance matching management method and system of a multifunctional aquaculture auxiliary ship, which comprises the following steps: performing parameter combination analysis on the multifunctional aquaculture auxiliary ship and a sailing water area by using an A* algorithm, generating a target route, and performing sailing stability testing and optimization on the multifunctional aquaculture auxiliary ship through a simulation model. The multifunctional aquaculture auxiliary ship controlled after stability optimization sails along the target route, and during the sailing, based on water quality parameters of the water area, the multifunctional aquaculture auxiliary ship is subjected to feeding function and power performance matching. The application can analyze and match various core performances of the multifunctional aquaculture auxiliary ship, and based on the analysis result, the various core performances are subjected to performance matching. After the core performance matching, the operation efficiency can be improved, the manual intervention can be reduced, the operation cost can be reduced, the working safety and stability of the multifunctional aquaculture auxiliary ship can be improved.

The invention particularly relates to an online pH meter stability testing device and method, and belongs to the field of pH meter stability testing. The testing device comprises an instrument detection device which forms a testing loop and is used for testing the stability of the pH meter; the dosing device is used for injecting a reagent into the sample water in the test loop and adjusting the pH value of the sample water; the constant temperature device is used for controlling the sample water in the test loop to be at a set temperature; the data acquisition system is used for acquiring output signals of the instrument detection device, the dosing device and the constant temperature device; and controlling the instrument detection device, the dosing device and the constant temperature device to operate. The testing method is carried out by using the testing device. According to the invention, the long-term stability test of the on-line pH meter under different temperature and solution environments is realized.

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 discloses a low-temperature stability test device for pesticide detection and belongs to the technical field of pesticide detection equipment. The low-temperature stability test device comprises a low-temperature stability test instrument main body, a control panel is fixedly installed on the front side of the low-temperature stability test instrument main body, and a sealing cover is rotationally connected to the top of the low-temperature stability test instrument main body. The centrifugal motor is arranged at the bottom of the centrifugal cavity, and the rotating frame is driven to rotate by the centrifugal motor, so that the centrifugal stirring operation can be directly completed in a low-temperature environment, temperature fluctuation caused by sample transfer in the traditional process is avoided, the test condition is stable, the object shelf is installed on the rotating frame through cooperation between the mounting groove and the fixing rod, the bottom of the test tube is nested in the object groove, the upper end of the test tube is fixed through the circular hole, double limiting is formed, test tube displacement in the centrifugal process is effectively prevented, after the test is completed, all the test tubes can be taken out at one time by taking the object shelf, and the operation efficiency is improved.

The invention discloses a stability test method, device and equipment of a distributed storage system and a storage medium, relates to the technical field of cloud computing, is applied to a multi-pool test engine, and comprises the following steps: acquiring an external test request for the distributed storage system and initializing a current multi-pool environment based on the external test request, obtaining a target multi-pool environment; reading a preset multi-pool coding table in the target multi-pool environment to generate a weighted test case set based on the preset multi-pool coding table; the preset multi-pool coding table is a new coding structure obtained by modifying a historical test coding table based on a pool relationship, data distribution and cross-pool operation in the distributed storage system; and creating a corresponding target virtual machine based on the weighted test case set, and starting multiple threads by using the weighted test case set and the target virtual machine to carry out a cross-pool stability test on the target resource pool so as to obtain a corresponding system stability test result. Therefore, the test requirements of the multi-pool architecture of the modern distributed storage system can be met.

The invention discloses a simulation device for testing the cycling stability of a coating and a testing method. The simulation device comprises a generation tank body, the supporting column is located in the inner cavity and is concentric with the generation tank body, and the supporting column extends in the axial direction of the generation tank body; the circulating component is connected to the supporting column in a sliding mode and can move up and down along the supporting column; the circulating component comprises a through hole formed in the center of the circulating component and a plurality of circulating channels arranged around the through hole, and the circulating channels penetrate through the upper side surface and the lower side surface of the circulating component; each circulating channel comprises a first pipe section, a second pipe section and a one-way valve, the first pipe section is communicated with the second pipe section, one end of the first pipe section far away from the second pipe section is an inlet end of the circulating channel, one end of the second pipe section far away from the first pipe section is an outlet end of the circulating channel, the one-way valve is arranged at the outlet end, and the flowing directions of the coating in the adjacent circulating channels are opposite. The flowing state of the coating can be simulated, the using amount of the coating can be saved, and circulating simulation of the coating is accelerated.

The invention discloses an automatic stability test method and system for a development board, a terminal and a storage medium, and the method comprises the steps: synchronously applying a dynamically changing CPU load, an environment temperature gradient and various bus pressures to a tested development board in an automatic test environment, and obtaining the development board under multi-factor coupling; through a distributed monitoring system, software logs and hardware signals of the development board are collected and associated in real time, and state monitoring is carried out on the development board based on the software logs and the hardware signals; when it is monitored that the development board breaks down or has no response, a recovery mechanism is automatically triggered, system field information containing software logs and hardware signals is stored, and a test process is restarted; based on system field information and historical test data, test parameters are dynamically adjusted through a prediction algorithm, and the whole process from pressure application to system monitoring to fault analysis and recovery is automatically executed. According to the invention, a complete automatic test process of full-automatic precise positioning is realized, and a test closed loop is formed.

The invention discloses a soldering tin testing machine special for a motor rotor, and relates to the field of soldering tin testing, the soldering tin testing machine comprises a conveying table, a testing mechanism, an image acquisition part and a detection module, the detection module is installed on the surface of the conveying table, the testing mechanism is arranged on one side of the conveying table, the image acquisition part is arranged on one side of the testing mechanism, and the image acquisition part is arranged on the other side of the testing mechanism. Wherein the conveying table is used for bearing the conveying work of a to-be-tested motor rotor subjected to soldering tin and bearing all functional parts and functional modules; the testing mechanism is used for dual continuous treatment of smoke collection and stability testing after tin soldering when tin soldering is carried out on the tin-soldered electronic rotor; the tin soldering smoke absorption and the strength test of the tin soldering element can be conveniently combined, the dual functions of the device can be automatically switched, the pollution in the test process is reduced, the abnormal condition in the tin soldering process is effectively recorded and tracked through the abnormal analysis and traceability of the detection module, and the source of a fault is quickly positioned through traceability analysis.