126 results about "Test quality" patented technology

The invention discloses an aviation airborne software test case intelligent generation and closed-loop optimization method, which comprises the following steps of: knowledge graph construction: analyzing a DO-178C standard document and a related field document, extracting entities and relationships defined in the DO-178C standard document and the related field document, and constructing a field knowledge graph fused with DO-178C standard knowledge; initial test case generation: based on the domain knowledge graph, combining a static analysis result of the source code of the tested airborne software, and utilizing a large language model to drive and generate an initial test case set; and closed-loop iterative optimization: executing the test case, evaluating whether the structural coverage rate reaches the standard or not, automatically identifying uncovered codes when the structural coverage rate does not reach the standard, generating a supplementary test case for iterative optimization, and outputting a final test case set until a coverage rate target corresponding to the software security level is met. According to the method, the test quality and efficiency of the aviation airborne software can be improved.

The invention relates to a test system based on a multi-modal knowledge base, belongs to the technical field of software testing, and solves the problems of insufficient reuse of historical project data and expert knowledge, lack of professional domain knowledge, illusion, low test case adoption rate and low practicability. The system comprises a knowledge base construction module used for constructing a hierarchical multi-mode professional field knowledge base; the preprocessing module is used for forming a standardized project development document and a software source code file of a to-be-tested project; the test case generation module is used for generating a test case and a software test description thereof based on the multi-modal professional domain knowledge base, the project development document of the project to be tested and the software source code file; and the test execution module prepares execution conditions according to the test case and the software test description thereof, and then executes the software test steps in sequence according to the input and operation description steps described by the test process to obtain an execution result of the test case. And knowledge-based and deep structured multiplexing of test assets is realized, and the test quality and efficiency are improved.

The invention relates to the technical field of protective clothing testing, and discloses a protective clothing combustion testing device based on an intelligent sensor, which comprises a control console, a testing cabinet is arranged on the control console, a simulation mechanism for simulating real motion is arranged on the inner wall of the testing cabinet, and an exhaust mechanism for ventilation is arranged on the inner wall of the testing cabinet. According to the device, in the rotating process of the fire protection clothing, it can be ensured that heat flow of subsequent flame testing is uniform, testing and detection are free of dead corners, the real wearing state is simulated, the flame testing quality of the device on the fire protection clothing is improved, the testing combustion precision of the device on the fire protection clothing is improved, and the testing efficiency is improved. And meanwhile, a temperature sensor on the surface of the human body model can test the internal temperature of the fire protection clothing, all-directional combustion test detection of the device on the fire protection clothing can be improved through rotary movement of a flame gun, and the combustion test effect of the device is improved.

The application discloses a kind of cloud desktop peripheral redirection automatic test method and terminal, by the mode of script, automatically obtain the peripheral equipment that local has accessed and automatically obtain the peripheral equipment information list of cloud desktop inside peripheral redirection;Get the peripheral equipment information after peripheral redirection in cloud desktop, then three kinds of information are compared, when comparing consistent, the simulation use test of peripheral equipment is carried out.Therefore, through the script automatic test can reduce manpower investment, improve test efficiency, and using script can guarantee the consistency and repeatability of test, through the quality of script can determine the quality of test, the task of repeatability is automated, improve accuracy, test efficiency and the enthusiasm of test personnel, conducive to the test maintenance of later period and does not need to occupy larger storage space.

The invention relates to the technical field of computers, and discloses a test case generation method and device, equipment and a medium, and the method comprises the steps: receiving a software test demand through a demand analysis agent, extracting a test point of the software test demand, and constructing a target knowledge graph according to the test point; generating an initial test case based on the test target knowledge graph through the case generation agent; executing the initial test case through the execution verification agent to obtain a test result; the test result comprises validity judgment and judgment basis of the initial test case; and in response to the test result, judging that the initial test case is an invalid test case, optimizing strategy parameters of each agent in the agent system based on the judgment basis through the evolutionary learning agent, and generating a new test case. The application can respond to the change of the test demand in real time, automatically adjust the test strategy, and improve the test quality and efficiency.

The application provides a cylinder atmospheric furnace sealing device for durability test and a cylinder atmospheric furnace, which comprises an upper sealing assembly and a lower sealing assembly; the upper sealing assembly comprises a first high-temperature-resistant sealing piece and a first fixing piece; the first high-temperature-resistant sealing piece is arranged on the upper pull rod; the first fixing piece is arranged on the side of the first high-temperature-resistant sealing piece away from the top surface of the cylinder atmospheric furnace; and the first fixing piece is arranged on the upper pull rod; the lower sealing assembly comprises a second high-temperature-resistant sealing piece and a second fixing piece; the second high-temperature-resistant sealing piece is arranged on the lower pull rod; and the second fixing piece is arranged on the bottom surface of the cylinder atmospheric furnace along the height direction of the second high-temperature-resistant sealing piece. The device can reduce the radiation and conduction heat dissipation of the furnace mouth of the cylinder atmospheric furnace, avoid the sealing failure caused by axial stretching and air flow disturbance during the test, ensure the uniformity of the temperature field in the furnace during the test, reduce the energy consumption and the burning loss of the test machine, and improve the test quality and efficiency.

The application discloses a kind of test vehicle door outer handle unlocking device, including unlocking pull wire, pull wire fixed support, device support and outer handle fixed mechanism;The device support is U-shaped structure, the U-shaped mouth outside of the device support is also equipped with multiple support fixed feet, the support fixed foot is connected with door, for fixing the device support;The pull wire fixed support is set in the back of the U-shaped mouth of the device support, for connecting unlocking pull wire;One end of the unlocking pull wire passes through the device support and is connected with the outer handle fixed mechanism, the other end is connected with unlocking drive motor;The outer handle fixed mechanism is used to connect vehicle door outer handle, for simulating the force point position of vehicle door outer handle.The application realizes to meet actual test demand and simulate actual application scene, help to improve the test quality of product and shorten test cycle, improve the matching accuracy of actual state.

The application provides a cylinder type lifting atmospheric furnace sealing device for creep test and a cylinder type atmospheric furnace, which comprises an upper sealing assembly and a lower sealing assembly; the upper sealing assembly comprises a first high-temperature-resistant sealing piece and a first fixing piece, and the first fixing piece abuts the first high-temperature-resistant sealing piece against the top surface of the cylinder type atmospheric furnace; the lower sealing assembly comprises a second high-temperature-resistant sealing piece and a second fixing piece, the second high-temperature-resistant sealing piece comprises a first high-temperature-resistant sealing block and a second high-temperature-resistant sealing block, the second high-temperature-resistant sealing piece is configured to be sleeved on a lower pull rod and a creep extensometer which can slide, and the second fixing piece fixes the first high-temperature-resistant sealing block and the second high-temperature-resistant sealing block on the bottom surface of the cylinder type atmospheric furnace. The device can reduce the radiation heat dissipation and conduction heat dissipation of the cylinder type atmospheric furnace, avoid sealing failure caused by axial stretching and air flow disturbance during the test, ensure the uniformity of the temperature field in the furnace during the test, reduce energy consumption and burning loss of the test machine, and improve the test quality and efficiency.

The invention discloses a software testing method and device and a storage medium. The method comprises the steps that a preset scene set and a scene coverage rate threshold value are acquired; in the process of testing the target software, determining a plurality of tested target scenes through burying points in software codes of the target software; and determining a test scene coverage rate according to the plurality of target scenes and a preset scene set, and triggering reminding information for the test scene coverage rate under the condition that the test scene coverage rate is lower than a scene coverage rate threshold value. Through the method and the device, the problem of relatively low test quality caused by easy missing of a test scene in related technologies is solved.

The utility model discloses a cutting jig which comprises a cutter, the cutter comprises a base plate and a blade, the base plate comprises a first surface and a second surface which are oppositely arranged, the blade is fixedly installed on the first surface, and a two-dimensional code image is arranged on the second surface of the base plate. The cutting jig provided by the utility model can replace manual cutting of the TIM material, ensures that the cut TIM material is complete and uniform in size, ensures the test quality, and reduces the loss of the TIM material at the same time.

The invention discloses a software testing method of a credential and credential system and electronic equipment. The method comprises the following steps: acquiring feature information of a to-be-tested credential system; according to the feature information of the credential and credential system and a preset hit standard of each standard test domain, determining a target standard test domain matched with the credential and credential system in each standard test domain; based on each target standard test domain, generating a test model corresponding to the credential system; and testing the credential system based on the test model. According to the method and the device, missing or redundancy of the test domain is avoided, the test quality is improved, quantitative evaluation of the test quality can be realized, and the test quality is effectively guaranteed.

The embodiment of the invention provides a knowledge base and agent-based PLM test case generation method and system, and the method comprises the steps: receiving and analyzing multi-source input information from a PLM system, and converting the multi-source input information into structured knowledge data; semantic retrieval is carried out based on the structured knowledge data, and related test cases are matched and recommended from a historical asset library; fusing a preset test method, and based on the identified specific risk scene in the PLM field, automatically generating a test case containing a basic function and a complex scene through an AI generation engine; and converting the generated use case into an executable script, running the executable script, collecting an execution result, and structurally returning the execution result to the knowledge base and the intelligent agent so as to optimize the generation and recommendation strategy. Unified fusion and expression of multi-source knowledge are realized, a special high-risk scene of the PLM can be accurately covered, the system is continuously self-evolved through a closed-loop feedback mechanism, and the automation and intelligence level and the test quality of PLM test case generation are remarkably improved.

The utility model discloses a gas cylinder sealing performance testing device, and belongs to the field of gas cylinder testing. The technical scheme adopted by the utility model is as follows: the gas cylinder leakproofness testing device comprises a fixed rack, and a gas cylinder leakproofness testing part is arranged above the fixed rack and can be used for testing the leakproofness of a gas cylinder; the device optimizes and improves the structure of an existing gas cylinder leakproofness testing device, performs multi-angle testing on a gas cylinder by arranging the outer wall testing component and the side wall testing component, effectively improves the quality and precision of gas cylinder leakproofness testing, can realize automatic testing of the gas cylinder, reduces the complexity of manual assistance, and improves the working efficiency. Therefore, labor loss is reduced.

The invention discloses a substrate, a system and a method for testing stacked chips. The substrate comprises a substrate body with a bare chip setting area, a plurality of independent bonding pad units arranged in a surrounding manner, and a connecting unit. The core is that the number of the bonding pad units is preset to be not less than the maximum stacking layer number of the to-be-tested chip, and the interface connecting points of the connecting units are independently and correspondingly connected with the bonding pad connecting points of different bonding pad units through internal wiring of the substrate. According to the testing system and method based on the substrate, through combination of channel reservation on hardware and selective resource allocation on software, compatibility testing on multiple layers of stacked chips by a single testing platform is achieved, and accurate and independent measurement on each layer of bare chips under power supply isolation is supported. According to the invention, the test efficiency and flexibility are improved, the test cost is reduced, and the test quality and reliability of the three-dimensional stacked chip are ensured.

The invention relates to the technical field of crossing of computer software testing and artificial intelligence, in particular to a method for intelligent arrangement and dynamic execution of an automatic testing scene of a complex system driven by a large model, which comprises the following steps of: 1, acquiring multi-source data; step 2, data preprocessing; step 3, constructing a system model; 4, training a large model and arranging a scene; and 5, performing test execution and dynamic adjustment. According to the method, a dual-mode data fusion layer is designed to realize unified representation of heterogeneous data, an end-to-end intelligent arrangement framework is constructed to get rid of manual dependence, a reinforcement learning dynamic adjustment mechanism is proposed to shorten abnormal response time, and a multi-target joint optimization strategy is established to balance coverage rate, efficiency and resource consumption. According to the method, the test arrangement efficiency can be improved by 3-5 orders of magnitude, the exception handling response time is shortened to the minute level, the test coverage rate is improved to 90% or above, meanwhile, the resource utilization rate is optimized by 20%-30%, and the test quality and delivery efficiency of a complex system are effectively guaranteed.

The application belongs to the technical field of integrated circuit testing, and discloses a kind of online test method for many-core network on chip based on software self-test, comprising the following steps: step 1: using bounded model checking to automatically generate test vector for software self-test method;Step 2: using Monte Carlo simulation method to solve the selection problem of test data packet configuration;Step 3: increase multi-thread mechanism in Monte Carlo simulation process.The application can not only realize high test quality, but also reduce test overhead.In addition, the application carries out online test in the functional mode of many-core network on chip, which can effectively avoid the untestable turn of data packet in the functional mode, thereby avoiding the problem of excessive test.

The application provides a testing device for an inertial sensor, which comprises a support frame, a rotating main body, a rotating disc, a testing turntable, a clamp, a gas supply pipe, a steel pipe, a support rod, a support block, a rotating joint, a rotating cylinder, a gas supply cavity, a pipeline and a gas supply system; the rotating joint and the rotating cylinder are arranged on the device; the gas generated by the gas supply system will sequentially pass through the pipeline, the gas supply cavity, the rotating joint, the steel pipe and the gas supply pipe and finally reach the inside of the clamp; when the clamp rotates, that is, when the testing turntable rotates, the gas supply pipe and the rotating cylinder will rotate at the same time; at this time, under the action of the rotating joint, the gas supply cavity and the pipeline do not rotate; since the gas supply pipe rotates synchronously with the clamp, the situation that the gas supply pipe is prone to bending is eliminated, the normal transportation of the gas is ensured, and the testing quality of the product is ensured.

The embodiment of the invention discloses a data recharge method and device, electronic equipment and a storage medium, relates to the field of intelligent driving, and can improve the test quality of a recharge test. The method comprises the following steps: acquiring pre-recorded sensor fusion information in a real vehicle test, wherein the sensor fusion information comprises fusion statistical information and at least one sensor data packet; wherein each sensor data packet comprises a data packet information header and measurement data, and the data packet information header comprises a receiving moment when the measurement data is received by the processor; the fusion statistical information comprises at least one statistical frame, and each statistical frame comprises a scheduling execution moment of one fusion operation and a data packet information header in the sensor data packet to be fused corresponding to the fusion operation; generating recharge data based on the sensor fusion information; and providing the recharge data to a to-be-tested object, so that the to-be-tested object is tested by using the recharge data. The method is suitable for vehicle testing.

The invention provides a method for constructing a data quality evaluation model, and belongs to the technical field of quality evaluation, and the method comprises the steps: collecting a to-be-evaluated data set, and obtaining a business demand and an application scene of the to-be-evaluated data set; determining an assessment index vector of the to-be-assessed data set based on the business demand and the application scene of the to-be-assessed data set; based on the to-be-evaluated data set and the evaluation index vector, determining a training quality feature matrix and a test quality feature matrix; and constructing a quality evaluation model based on the training set and the training quality feature matrix, and evaluating and optimizing quality evaluation performance based on the evaluation index vector, the test set and the test quality feature matrix. The method can enhance the capturing capability of the model for the data quality characteristics, achieves the high-precision evaluation of dynamic weighting, improves the intelligence and stability of the quality evaluation model, and improves the adaptability of the model in the quality management and analysis scenes of complex data.

The utility model relates to electrical measurement and automation test technical field, concretely relates to a kind of AC-DC withstand voltage insulation tester, it includes: main control unit, for executing test program and controlling each module coordinated work;High voltage output module, for generating the AC / DC high voltage required by test;Precise current detection module, for detecting the leakage current of measured piece;Multi-channel test interface, for connecting multiple measured equipment;Automatic switching unit, for automatically switching test channel;Data storage module, for automatically recording test data;Man-machine interface, for displaying test information and receiving operation instruction.The utility model is jointly constituted by innovative design an advanced test system with automation, high precision, high efficiency, intelligent management in one, realizes qualitative leap in test quality, operation convenience, production efficiency and safety etc., fully meets the rigorous requirement of modern industry to electrical safety test equipment.

The embodiment of the invention provides a page self-adaption testing method and device and electronic device.According to the method, current interface data of a to-be-tested dynamic page are monitored in real time, and under the condition that the current interface data are different from historical interface data, the current interface data are updated according to the interface updating content of the current interface data relative to the historical interface data; and automatically updating page content of the to-be-tested dynamic page and automatically updating execution logic and verification logic associated with the interface updating content in the test case, namely, automatically adjusting an execution path and a verification point in the test case based on the interface updating content to ensure that the test process is matched with the latest data and page state, so that the test efficiency is improved. And a dynamic self-adaptive test strategy is realized, the technical problem of poor adaptability when interface data and UI layout are frequently changed in related technologies is solved, and the test quality and the test efficiency are remarkably improved.

This application relates to the field of vehicle body control technology and provides a method for testing windshield wiper functionality. The method includes: acquiring a load input signal transmitted by a pre-configured load module; transmitting the load input signal to a target windshield wiper module according to a pre-configured signal transmission channel, so that the target windshield wiper module performs a functional test based on the load input signal and outputs a test output signal during the functional test; transmitting the test output signal to the load module according to the signal transmission channel, and executing a preset action corresponding to the test output signal through the load module to complete the test of the target windshield wiper function. This windshield wiper functionality testing method can be applied to a windshield wiper function controller, which includes multiple target windshield wiper function modules. By transmitting load input signals to the target windshield wiper function modules through a pre-configured load module to complete the functional test, this method simplifies the testing operation, improves testing efficiency, and ensures test quality compared to manual operation.

The invention belongs to the technical field of software testing, and relates to an NLP-based test case generation method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a demand document, and carrying out intelligent analysis and structural processing on the demand document; performing test element and logic rule extraction on the demand document subjected to intelligent analysis and structured processing; constructing a test model based on the demand document after the test elements and the logic rules are extracted; generating test data and a test path based on the test model; based on the test data and the test path, automatically synthesizing diversified test scripts; and closed-loop feedback and model iterative optimization are carried out. The method can ensure that the test method is always synchronous with the business demand, and finally realizes the dual improvement of the test quality and efficiency.

The invention provides a software test quality monitoring system and method based on database data comparison. The system comprises a case management module used for storing and managing structured test cases; the rule management module is used for configuring a data verification rule for a specific project, and the data verification rule comprises a database field comparison rule; the test quality monitoring module is used for responding to the test execution instruction and generating and storing a test execution record corresponding to the at least one structured test case; based on a test case associated with the test execution record, calling a corresponding data verification rule in the rule management module, connecting to a service database for automatic data comparison, and generating a data verification result; performing associative storage on the data verification result and the corresponding test execution record; and when the data verification result indicates that the data are inconsistent or the test coverage rate calculated according to the test execution record does not reach a threshold value, alarm information is automatically generated.

The utility model discloses a chip alignment module of an automatic test platform, which comprises a bottom plate, an alignment template and a plurality of test seats, the alignment template and the bottom plate are arranged in parallel, the alignment template is provided with a positioning port matched with the length and width of a chip at a position opposite to each test seat, the surface of the alignment template is provided with a plurality of compression rollers for compressing the chip, and the test seats are arranged on the surface of the alignment template. Sliding grooves are transversely formed in the two sides of the bottom plate, sliding plates are vertically installed on the two sides of the alignment template, the sliding plates are arranged in the sliding grooves in a sliding mode, a panel is installed at the end, located on the alignment template, of the bottom plate, and electric push rods are installed at one ends of the side plates. According to the utility model, the structure is simple, the chip can be contacted with the test seat by moving the alignment template, the chip which is moved in place can be compressed by the compression roller so as to ensure the test quality, and a plurality of chips can be synchronously discharged at one time after the chip is continuously moved, so that the unloading is convenient, and the working efficiency is improved. And the alignment template and the test seat can be quickly replaced, so that different chips can be used.

This utility model discloses a circuit board assembly, an adapter, and a testing device. The circuit board assembly includes a circuit board, a switching transistor, and an insulating component. The switching transistor includes a package and pins. The package is connected to the circuit board via the pins. The insulating component is located on the portion of the pins between the package and the circuit board. The insulating component has test holes configured for the insertion of an electrical connector from the testing device, allowing the testing device to electrically connect to the pins via the connectors. In this circuit board assembly, the insulating component located on the portion of the pins between the package and the circuit board, and the test holes configured for the insertion of an electrical connector from the testing device, optimizes the signal transmission path, reduces the influence of parasitic resistance and inductance to a certain extent, lowers signal attenuation and interference, and improves test quality.

This invention discloses an active simulation system and method for harsh ground planes in DC testing, belonging to the field of electromagnetic environment simulation technology in electrical testing. The system employs a dual DC source architecture with a grounding switch. Two DC sources are connected to the DC power supply circuit of the device under test (DUT), and the grounding switch enables controllable switching between the dual DC sources and the ground plane. By configuring the DC output of the two DC sources and superimposing controllable ripple, while ensuring zero AC component of the voltage between the positive and negative terminals of the DUT and stable power supply, the voltage between the ground plane and the negative terminal of the DUT forms independently adjustable DC and AC components. It also provides two implementation architectures that can flexibly adapt to different testing scenarios. This invention achieves full-parameter active controllable simulation of harsh DC ground planes, accurately reproducing the actual operating conditions of DC tests such as power batteries, motor test benches, and high-power charging and discharging, significantly improving test quality and the verification accuracy of the safety and reliability of the DUT.

This application discloses a method, apparatus, storage medium, and electronic device for pushing test cases. Relating to the field of artificial intelligence technology, the method includes: determining a target test specification library; generating a target test specification list corresponding to the current requirements information of the target product based on the target test specification library; matching the target test specification number with the test specification number in the initial case name to obtain a matching result; if the matching result indicates that the target test specification number and the test specification number do not match, then expanding the initial test specification list in the initial test case based on the target test specification number to obtain an expanded test specification list; and pushing the expanded test specification list to a program project, wherein the program project is used to perform tests based on the expanded test specification list. This application solves the problem in related technologies where incomplete test specifications lead to low product test quality.

The utility model discloses a rubber tension testing device, which relates to the technical field of rubber tension detection, and comprises a bottom plate, a first fixing plate, a second fixing plate, a telescopic cylinder, a tension tester and a pair of clamps, the first fixing plate and the second fixing plate are respectively arranged on two sides of the upper surface of the bottom plate; the telescopic air cylinder is arranged on the first fixing plate, the telescopic end of the telescopic air cylinder penetrates to the inner side of the first fixing plate, and the tension tester is arranged on the inner side wall of the second fixing plate and is as high as the telescopic end of the telescopic air cylinder; the linear motor drives the push plate to tightly press the two ends of the rubber sheet at the bottom of the conveying roller, the rubber sheet is attached to the surface of the conveying roller, friction is generated on the rubber sheet during tension testing, all positions of the rubber sheet in the width direction are subjected to pressure and friction force, fixing is stable, the testing quality is improved, and the detection result is more accurate.