83results about How to "Comprehensive test" patented technology

The invention relates to a system testing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: in the process of executing each test case of the distributed system, obtaining a call tree and a coverage rate of the test case, obtaining a case weight corresponding to the test case according to the coverage rate, clustering all the test cases according to the call tree to obtain multiple groups of clusters, and sending the multiple groups of clusters to the distributed system; and determining a test priority corresponding to each test case under each group of clusters according to the case weight, and carrying out regression testing on the distributed system based on the test priorities. By adopting the method, the distributed system can be tested more comprehensively and specifically, and the test time and resources are saved, so that the stability and reliability of the system are ensured.

The invention discloses a novel inspection jig and an inspection method. The novel inspection jig comprises an inspection platform, the inspection platform is provided with an inspection station, the inspection station is provided with an installation notch, the installation notch is provided with a jacking and extending mechanism, the jacking and extending mechanism comprises a lifting assembly, the driving end of the lifting assembly is provided with a rotary driving part, and the driving end of the rotary driving part is provided with a jacking and extending rod; a hot-pressing detection mechanism is arranged above the detection station, the hot-pressing detection mechanism comprises a driving assembly and a hot-pressing assembly arranged at the driving end of the driving assembly, the hot-pressing assembly comprises a hot-pressing plug, the hot-pressing plug is provided with a heating assembly, and one end of the heating assembly is provided with a pressure sensing piece; through cooperation of the top extension mechanism and the hot-pressing detection mechanism, detection of actual hot-pressing working conditions and different stress conditions of the to-be-tested component is realized, so that more complex use working conditions are simulated, more comprehensive measurement and test are performed, the to-be-tested component can be tested more comprehensively, and a more accurate test result is obtained.

The present invention relates to the field of integrated circuit testing, and in particular to an analog-to-digital conversion multi-channel automated verification device and a microcontroller unit. The verification device is electrically connected to each analog signal acquisition channel of the microcontroller unit, and is used to output analog signals to each analog signal acquisition channel; the verification device is also electrically connected to the communication port of the microcontroller unit, and is used to send a trigger signal to the microcontroller unit, and obtain the analog-to-digital conversion result corresponding to the analog signal; the trigger signal is used to instruct the microcontroller unit to start analog-to-digital conversion; the analog-to-digital conversion result at least includes the first data collected during the conversion data period of the analog-to-digital conversion module of the microcontroller unit outputting the analog signal, and the second data collected after the first time length of the first data is collected; the verification device determines whether the analog-to-digital conversion function of the microcontroller unit has a fault according to the analog-to-digital conversion result.

The invention discloses a test system, method and device for vehicle remote fault diagnosis and a storage medium. The test system comprises a central domain control unit which is configured with fault monitoring codes used for monitoring fault states of all control units of a vehicle end; the upper computer is used for simulating a plurality of primary domain control units and establishing connection with the central domain control unit; the first-level domain control unit is also used for injecting set faults into the first-level domain control units; the remote diagnosis server side is used for receiving the fault monitoring codes uploaded by the central domain control unit through the vehicle-mounted internet terminal and determining the fault states of all the control units of the vehicle side based on the fault monitoring codes; the processor is also used for determining a fault reason based on the fault monitoring code when the control unit has a fault; the test bench is used for providing a test environment for the central domain control unit and injecting set faults into the central domain control unit. By adopting the test system, vehicle fault monitoring and fault analysis services can be tested respectively, and a more perfect and comprehensive test environment is provided for remote fault diagnosis.

The invention provides a subway TCMS central office IAI test system and method. The system comprises a to-be-tested IAI board card, a test board and an upper computer. The test board comprises a power interface, a first circuit, a second circuit, a third circuit, a fourth circuit, a fifth circuit, a test board processor, a serial port, an interface configuration circuit and a network port; the IAI board card to be tested comprises a power supply module, a conversion circuit, a first board card processor, a dual-port RAM, a second board card processor, a starting EPROM, an HDLC link and a link interface. According to the invention, off-line testing can be carried out on the IAI board card of the metro TCMS central office, whether the function of the board card is normal or not is tested, and a fault point is clearly positioned through four state lamps on an upper computer interface; a current signal output by the test board current source can simulate a handle signal of a train, and the credibility of board card testing is improved.

The invention provides an automatic testing system and method for a memory module, and belongs to the technical field of memory testing. The automatic testing system comprises an automatic feeding and discharging system, a mainboard testing system and a machine testing system which are integrated on the same testing platform; the mainboard test system is used for performing function test or performance test on a memory module installed on a mainboard; the machine test system is used for performing function test or performance test on the memory module installed on the machine; the automatic feeding and discharging system is used for automatically feeding and discharging the memory modules for the mainboard testing system or the machine testing system. According to the invention, the mainboard test and the machine test are carried out on the same test platform, so that on one hand, the test requirements of multiple types of memory modules on the same test platform are met, and on the other hand, the requirements of multiple function tests and performance tests of the memory modules on the same test platform are met; and the test platform does not need to be frequently replaced, thereby facilitating test operation.

The invention, which belongs to the technical field of the vehicle-mounted power supply, discloses a vehicle-mounted power supply electromagnetic compatibility performance test system comprising a data acquisition module used for acquiring vehicle-mounted power supply electromagnetic compatibility real-time data; the data processing module is used for processing the electromagnetic compatibility real-time data of the vehicle-mounted power supply; the testing and evaluating module is used for testing and evaluating the electromagnetic compatibility characteristic data of the vehicle-mounted power supply; and the test management and control module is used for recording and managing the electromagnetic compatibility test report of the vehicle-mounted power supply and visually displaying the electromagnetic compatibility test report of the vehicle-mounted power supply. The problems that the electromagnetic compatibility of the vehicle-mounted power supply cannot be comprehensively monitored and tested in the prior art, the electromagnetic compatibility of the vehicle-mounted power supply cannot be evaluated in time, and the use safety and reliability of the vehicle-mounted power supply are poor are solved. According to the invention, the electromagnetic compatibility of the vehicle-mounted power supply can be comprehensively monitored and tested, the electromagnetic compatibility of the vehicle-mounted power supply can be evaluated in time, and the use safety and reliability of the vehicle-mounted power supply can be improved.

The invention discloses a test bed for detecting the performance of a torsional vibration damper, and relates to the field of torsional vibration dampers. The torsional vibration damper is driven to rotate through the rotating system, the torsional vibration excitation system generates adjustable vibration excitation torque, the encoder transmits acquired data to the computer through the data acquisition card, and the resonant frequency of the test bed and the torsional vibration angle corresponding to the torsional vibration shaft under the resonant frequency are obtained through signal analysis. The torsional vibration damper is simple in structure, different excitation frequencies and different torques are achieved through the excitation servo motor and the exciter, the torsional vibration damper is driven to rotate actively while torsional vibration of the torsional vibration damper is detected, the corresponding rotating speed is applied in real time, combination of various different parameter motion states can be achieved, and the torsional vibration damper can be used for detecting torsional vibration of the torsional vibration damper. Therefore, the performance of the torsional vibration damper can be detected more comprehensively. The device fits the torsional vibration condition of the engine, and is wider in application range, good in applicability and wide in application range.

The present invention provides an industrial plastic barrel pressure test device, which relates to the technical field of pressure testing, and includes a test frame, a clamping assembly, a transmission mechanism and a boosting mechanism. Side baffles are welded on both sides of the test frame, and the clamping assembly includes a first clamping plate and a second clamping plate, and the bottoms of the first clamping plate and the second clamping plate are both integrally formed with sliders, and the surface of the second clamping plate is provided with a groove, and the interior of the groove is embedded with a transmission mechanism. The test device indirectly acts the pressure applied by the boosting mechanism on the top of the industrial plastic barrel to be tested through the transmission mechanism, so as to simulate a scenario where the pressure range and area are not fixed, and multiple test tasks with different pressure ranges and areas can be quickly switched, which improves the test efficiency, and can also perform boosting tests on the sides of the industrial plastic barrel, and simulate the pressure data that multiple industrial plastic barrels can withstand after being stacked after being horizontally laid down, so that the test is more comprehensive and more accurate.

The invention discloses a benchmark performance testing method and device, electronic equipment, a storage medium and a computer program product, relates to the technical field of automatic testing, is applied to a distributed cluster, and comprises the steps of generating a test case according to a received case factor, executing a benchmark test in the test case for any test case according to a preset concurrent parameter, and executing the benchmark performance of the test case according to the preset concurrent parameter. Obtaining a test execution record of the test case; performing iterative algorithm analysis on the test execution record, and determining a local optimal weight corresponding to each dimension index in the test execution record; and comparing and analyzing the benchmark performance of the distributed cluster from a plurality of dimension indexes based on the local optimal weight. The technical problem of low test efficiency is solved.

The application relates to the technical field of PCIe devices, and discloses a parameter configuration method and device, a computer device and a storage medium, the method comprising the following steps: setting a plurality of first preset value combinations; configuring preset values of a plurality of PCIe devices according to the first preset value combinations, and performing first testing on the plurality of PCIe devices to obtain first testing results; determining an effective preset value range that can be configured by each PCIe device according to the first testing results; selecting an effective preset value from the effective preset value range corresponding to each PCIe device to form a second preset value combination; configuring preset values of the plurality of PCIe devices according to the second preset value combination, and performing second testing on the plurality of PCIe devices to obtain second testing results; and determining an optimal second preset value combination according to the second testing results corresponding to the plurality of second preset value combinations. The application can determine optimal preset values corresponding to each PCIe device respectively, and can simultaneously ensure the stability of PCIe links of each PCIe device.

The invention discloses a thermal management integration module, a test system and a test method thereof, and a vehicle, and relates to the technical field of vehicle thermal management. The test system of the thermal management integration module comprises a test station, a plurality of thermal simulation modules, a heating device, a heat dissipation device and a data acquisition module, wherein the plurality of thermal simulation modules are respectively connected with a tested module to construct a plurality of first circulation loops; the heating device is respectively connected with the plurality of thermal simulation modules so as to construct a plurality of second circulation loops, and the heating device can convey the heated second medium to the plurality of thermal simulation modules through the plurality of second circulation loops so as to heat the plurality of thermal simulation modules; the heat dissipation device is used for dissipating heat of the first medium flowing through the tested module; the data acquisition module is used for acquiring working condition information of the tested module. According to the invention, the performance of the thermal management integrated module can be evaluated without actually connecting a heating device, and the testing efficiency of the thermal management integrated module is improved.

The utility model belongs to the technical field of shock absorber performance detection devices, and particularly relates to a multi-angle test device for tension and pressure of a shock absorber. The test device comprises a supporting seat, a connecting piece which is arranged at one end of the supporting seat and is used for connecting a shock absorber, a lifting assembly which is connected to the other end of the supporting seat, a force applying assembly which is driven by the lifting assembly to lift, and a clamping piece which is arranged on the force applying assembly and is used for connecting the shock absorber, the lifting assembly comprises a guide rail, a guide block connected to the guide rail in a sliding mode and a locking assembly used for locking the guide block to the guide rail. The force applying assembly adopts an electric cylinder which moves synchronously with the guide block, and the movable end of the electric cylinder is connected with the clamping piece. The utility model is used for solving the technical problem that the shock absorber needs to be subjected to durability detection test before leaving a factory and reaches the applicable standard.

The invention discloses a link delay test method of a flexible direct-current valve control system and a related device, and the method comprises the steps: determining a link delay type according to a starting point and an end point of a link through which a signal passes; according to the link delay type, determining the type of a test signal for testing the link delay, a test starting point for sending the test signal, a link through which the test signal passes, and a test tool for capturing the test signal after the test signal passes through the link; when the test tool captures the level change of the test signal, recording the moment of the level change; and calculating the link delay of the flexible direct-current valve control system according to the moment of the level change. According to the method, comprehensive and accurate testing of the link delay of the flexible direct valve control system is realized, so that the problem that a special testing method for the link delay of the flexible direct valve control system does not exist in the prior art is solved.

The invention relates to the technical field of missile testing, in particular to a full-missile box-opening-free testing system and method. The system comprises a missile tester, a missile and a missile-borne computer, and the missile tester is used for simulating the function of a launching device to output direct current; the missile is used for receiving the direct current and converting the direct current into power supply for a plurality of missile-borne components by utilizing a power distribution function of the missile; the missile-borne computer is arranged on the missile; and the missile tester is also used for sending a test instruction to the missile-borne computer and receiving a test result returned by the missile-borne computer. According to the full-missile box-opening-free test system and method, a missile-borne computer test mode is designed, serial port configuration of the launching device is carried out according to a test instruction, forwarding of the test instruction and a test result is completed through the missile-borne computer, tests of all missile-borne devices are completed under the condition that missile packaging boxes are not opened, and operation is easy and safe.

The invention relates to a method and a device for automatically testing SPI peripherals, which are based on a designed upper computer and lower computer test architecture and test mode, the test flexibility is high, parameters can be customized according to requirements, and various SPI signals can be flexibly generated; the test is more comprehensive, random data is supported to better verify the pressure resistance and robustness of the SPI peripherals, potential boundary conditions and abnormal conditions can be found, and the stability and reliability of a vehicle-mounted system are ensured; the application range is wide, the reusability is high, and the MCU with SPI (Serial Peripheral Interface) equipment can be tested; the test operation is simple, the test efficiency is high, the cost is low, and a single chip can be self-tested to reduce interference.

The invention relates to the technical field of oil exploitation, and discloses a horizontal oil downhole pipe scraping tool test platform, which comprises a rack, an actuator fixedly connected to the upper surface of the rack, a connector fixedly connected to the upper surface of the rack, a clamp holder arranged on the upper surface of the rack, a water tank fixedly connected to the front surface of the rack, and a water pump fixedly connected to the front surface of the rack. A connector is arranged on the left surface of the rack, a water tank is arranged on the right surface of the rack, a tail supporting frame is arranged on the left surface of the rack, the clamping device comprises a servo motor, and the servo motor is fixedly connected with the right surface of the rack. According to the horizontal petroleum underground pipe scraping tool testing platform, through arrangement of the actuator, the connector, the clamping device, the water tank and the tail supporting frame, a long sleeve can be fixed to the clamping device; meanwhile, the extending part of the casing pipe can be supported by the tail supporting frame, water is pumped into the casing pipe through the water tank, filtered by the filter plate in the rack and then flows back to the water tank to complete circulation, underground slurry circulation is simulated, and meanwhile the effects of cooling and chipping taking out are achieved.

The application provides a fuzzy test method for multimodal large model application. According to a preset test requirement, a corresponding test mode is selected as a target test mode, and under the target test mode, a test input content is constructed based on a preset prompt word library to test the application model under test. Meanwhile, based on a 3D label mapping algorithm, dimension label processing is performed on the test output content to obtain target test output content including a label dimension. Finally, according to the label dimension of the target test output content, the risk level of the application model under test is determined, so that model test of the application model under test is realized.

The invention discloses a safety-critical and aggressive test scene generation method for an automatic driving vehicle. The method comprises the following steps: firstly, acquiring vehicle natural distribution and a vehicle driving mode from a natural driving data set to initialize a scene; and then, selecting a background vehicle group taking the self-CAV as a center, and constructing a safety perception adjacency matrix based on TTC correlation between vehicles to represent a safety key state in the vehicle group. Secondly, extracting input graph features by using a graph reinforcement learning model, introducing a reward function system based on a safety key index, enabling an action output by the model to better influence a CAV safety key state, and then generating a safety key and aggressive scene based on the action; and finally, performing a large number of simulation experiments on different CAV control models in different traffic scenes to verify the test effect. According to the method, the performance of different CAV decision models in safety-critical and aggressive scenes can be effectively evaluated in different traffic scenes.

The application relates to the motor technical field, and particularly provides a testing device for a brushless motor driving system. For the purpose, the testing device for the brushless motor driving system comprises an upper computer, the upper computer is in communication connection with the brushless motor driving system, a testing board card is in electric connection with the brushless motor driving system, and meanwhile, the testing board card is in communication connection with the upper computer; the upper computer is used for controlling the testing board card to inject a preset fault into the brushless motor driving system; after the preset fault is injected, the upper computer is used for receiving an actual fault reported by the brushless motor driving system, and comparing the received actual fault with the preset fault injected by the testing board card, so as to judge whether the working state of the brushless motor driving system is normal. The testing device for the brushless motor driving system can inject a fault into the brushless motor driving system through the setting of the testing board card, simulates the generation of the fault, and greatly increases the flexibility of the test on the brushless motor driving system.

The present invention discloses an optical anti-shake detection method and device, wherein the method includes: obtaining a preset anti-shake angle and a gyro gain coefficient; determining multiple calibrated stroke coordinates of the motor when the camera module compensates for the anti-shake angle according to the anti-shake angle and the gyro gain coefficient; wherein the multiple calibrated stroke coordinates are circumferentially distributed around the initial coordinates of the motor stroke; driving the motor to move according to each calibrated stroke coordinate, and detecting the current stroke of the motor after the action is completed to obtain the measured stroke coordinates; the measured stroke coordinates correspond to the calibrated stroke coordinates one by one; and determining the test results of the motor and the position detection unit according to the calibrated stroke coordinates and the measured stroke coordinates. The method of the present invention can more comprehensively test the accuracy of the motor and the position detection unit in different shaking directions during the IOS anti-shake control process.

The invention provides a multi-core consistency testing method and device, electronic equipment and a storage medium, and relates to the technical field of chip testing. The method comprises the following steps: acquiring at least one test parameter combination, wherein the test parameter combination is used for indicating the identity of a processing core participating in a test, a to-be-used test model and attribute information required by the test; analyzing the test parameter combination, and respectively determining a tester processing core, an inspector processing core and a test model; according to the test model and the test parameter combination, respectively controlling the tester processing core and the inspector processing core to execute corresponding test processes to obtain a test result corresponding to the test parameter combination; and according to the test result corresponding to each test parameter combination, analyzing to obtain a consistency test result between the processing cores. According to the method, the processing cores participating in the test can be controlled to execute the consistency test according to the test process of the test model indicated in the test parameter combination, the multi-core consistency test based on the software program is realized, and the test efficiency is relatively high.

The invention provides a method for detecting the fastening performance of a wheel fastener. The method comprises the following steps: carrying out a standing test on a vehicle; carrying out dynamic site testing on the vehicle; carrying out reinforced bad road test on the vehicle; and performing high and low temperature test on the vehicle. The testing device has the advantages that through the most harsh working condition combined by four harsh working conditions, a typical extreme driving mode enabling the wheel fastener to be easy to loosen is truly simulated, and the fastening performance of the wheel fastener can be comprehensively, directly and accurately tested; evaluation standards are set for the test in each stage, and the test can be stopped in time once the evaluation standards are not met, so that the test cost is effectively saved.

The utility model relates to the related field of air switch test tool devices, and particularly discloses an air switch test tool device, which comprises a terminal lock sleeve, an appearance detection cover, a test box and an electroprobe, the appearance detection cover is arranged on one side of the top of the test box, and an ampere meter is arranged on the other side of the top of the test box. The top of the ampere meter is connected with a terminal lock sleeve through a cable, and the end part of the terminal lock sleeve is provided with an electroprobe. The appearance detection cover is arranged on one side of the top of the test box, the camera is arranged in the middle of the top end of the appearance detection cover, the air switch can be directly placed through the appearance detection cover so that the appearance of the air switch can be detected, and the control panel is arranged on the front face of the test box so that the test can be conveniently and comprehensively controlled. A display screen is arranged on the front face of the ampere meter, the bottom of the ampere meter is connected with the mounting base through a plug, the top of the ampere meter is connected with a terminal lock sleeve through a cable, and a middle bayonet is formed in the middle of the terminal lock sleeve.

The invention relates to the technical field of information security, in particular to a method for quickly detecting malicious software based on an electric sandbox, which comprises the following steps: monitoring target software; marking suspicious software; determining an abnormal state and screening out abnormal software; evaluating the attack intensity; and isolating and adjusting. The behavior of the target software is monitored in real time in the virtual power system, multiple detection mechanisms are combined, the detection accuracy of malicious software is remarkably improved, detailed analysis is conducted through the preset standard value and the parameter range, abnormal software can be effectively distinguished, misjudgment is reduced, and the detection accuracy is improved. Different power load environments are set in the sandbox environment for further evaluation, comprehensive detection of malicious software behaviors is ensured, and the method adapts to different attack modes and system states by dynamically adjusting the evaluation duration, so that the safety and stability of the system are improved, and the method is suitable for large-scale popularization and application. The problems that detection is not timely and the false alarm rate is high due to the fact that malicious software behaviors are complex and changeable and detection response time is long are effectively solved.

The present invention relates to the technical field of testing equipment, and specifically to a brake pad performance testing equipment, comprising a testing platform and a fixed plate, wherein the fixed plate is fixedly mounted on the upper surface of the testing platform, a brake simulation component is arranged on the fixed plate, and the brake simulation component comprises a two-way hydraulic cylinder, wherein the two-way hydraulic cylinder is fixedly mounted inside the fixed plate, and a power frame is fixedly mounted on the output shaft of the two-way hydraulic cylinder. The brake pad performance testing equipment, through the brake simulation component, can prevent the brake disc from being interfered by the internal resistance of the servo motor during the test, thereby improving the accuracy of the brake data of the brake pad. In conjunction with the vehicle condition simulation component, the brake data of the brake pad under three different vehicle conditions can be tested, namely the braking performance of the brake pad under high temperature, the braking performance of the brake pad under splashing water, and the braking performance of the brake pad under high temperature and splashing water. In this way, the braking data of the brake pad under different vehicle conditions can be tested more comprehensively.

The application provides a kind of fast recovery diode operating reliability test method and system, it is related to circuit test technical field, the method comprises: fast recovery diode is set on experiment table, setting test environment parameter, and setting the frequency data of test power supply;Further setting test power supply, and the test voltage data of test resistance both ends is acquired, further determines reliability variation index, and determines reliability test result according to the reliability variation index of multiple test periods.According to the application, the test authenticity and accuracy can be improved by simulating complex working conditions through periodically changing test environment parameters, and the reference value of test results can be improved.Based on the dynamic adjustment of test environment, the workload of fast recovery diode is improved, and the test accuracy is improved.The reliability variation index of each test period can also be calculated to accurately know the performance change and reliability decline range of fast recovery diode, which provides an important basis for determining the reliability of fast recovery diode.

The present invention relates to the field of photoelectric test management, and specifically to a distributed comprehensive photoelectric test management system and method, comprising: a test platform module, a distributed control module, a target disk test module, a photoelectric detection module and a band delay module, wherein the test platform module is used to build a test data processing center, the distributed control module is used to detect infrared radiation, the target disk test module is used to provide a test environment and a radiation source, the photoelectric detection module is used to obtain test data, and the band delay module is used to calculate the delay of a photoelectric system and adjust the calculated delay. The present invention can realize comprehensive and real-time monitoring and testing of photoelectric equipment in a large range or dispersed layout, improve test efficiency and accuracy, meet diverse test requirements, help optimize system parameters and algorithms, and improve the imaging volume and system performance of an optical imaging system in different band environments.

The application discloses a diagnostic protocol scanning method and a diagnostic protocol scanner, and is applied to the field of information diagnostic scanning. The logical relationship between functions is acquired, the function code corresponding to each function is determined according to the logical relationship and the function number range corresponding to each function, all the function codes are acquired through the traversal mode, and the final result is outputted, so that the result is clear and explicit, and all the diagnostic information needed to be tested is collected for the diagnostic information security tester, the tester cannot know part of the content information, the comprehensiveness of the information security test is affected, the test is very comprehensive, the work load of the staff is reduced, and the safety is improved.

The present invention relates to an LED display module detection device, specifically a side-emitting LED display module detection device, comprising a support component, a top-view test component and a side-view test component, the support component comprising a bottom plate, a rotating component mounted on the top of the bottom plate, the rotating component comprising a motor and a rotating disk, the rotating disk being fixed on the output shaft of the motor, an extension component mounted on the top of the bottom plate, the top-view test component mounted on the extension component, an adjustment component mounted on the top of the bottom plate, the side-view test component mounted on the adjustment component, the side-view test component comprising a second housing, a second camera, a second brightness sensor, a second distance sensor and a second color sensor. The present invention tests LED chips that have been uniformly welded, and only needs to replace the bad LED chips. At the same time, it is convenient to detect the side-emitting LED display module, and detects both sides simultaneously, thereby improving the low efficiency of detecting the LED display module.