22 results about "Path testing" patented technology

The invention belongs to the technical field of automatic driving, and relates to a virtual simulation dynamic path test method based on a fixed trajectory of an accident scene, which comprises the following steps: S1, collecting and preprocessing multi-source data, analyzing the data to generate point cloud information and visual information, and extracting vehicle parameter information, vehicle behavior information, environment information and traffic participant abnormal behavior information; the vehicle behavior information comprises a fixed track; s2, a virtual simulation scene is constructed, a virtual three-dimensional scene model is constructed according to the point cloud data and the visual information, and parameters of the virtual three-dimensional scene model are set according to the vehicle parameter information, the vehicle behavior information, the environment information, the traffic participant abnormal behavior information and the traffic rules; s3, testing by taking the fixed track as a reference track, and performing dynamic path adjustment by utilizing a path planning algorithm in an automatic driving system during testing; and S4, analyzing the test data, evaluating from multiple dimensions, generating an analysis report, and optimizing suggestions. The problem of inaccurate test results is solved.

The invention relates to the technical field of vehicle lamp testing, in particular to a vehicle lamp full-function automatic testing method and system, a storage medium and electronic equipment. The full-function automatic test method for the vehicle lamp comprises four steps of test configuration, test execution, diagnostic function test and test report generation, and the test configuration selects a test type through an upper computer developed by Python and configures a corresponding project file path; the test execution respectively executes a hard wire function test, a bus function test and a diagnosis function test; and test report generation: a test result, an oscilloscope screenshot and analysis data are stored in a structured report, and the test report is directly viewed or exported through an upper computer. The method covers a hard wire function test, a bus function test and a diagnosis function test, can perform comprehensive detection on electrical performance, signal time sequence, fault diagnosis and the like of the vehicle lamp module, and avoids the problems of tedious process and low efficiency of a traditional manual test.

The present invention relates to the field of chip testing technology, and in particular to a memory output interface functional path testing method, electronic device, and medium. The method comprises: step S1, obtaining a target output interface functional path in a functional output circuit connected to a memory output interface, and generating a target output interface functional path list; step S2, an automatic test vector generation tool selecting at least one target output interface functional path from the target output interface functional path list, and automatically generating a test vector; step S3, inputting the generated test vector into a memory through an MBIST input circuit; and step S4, creating a conversion at the output interface through the selected target output interface functional path, capturing target output data, and comparing the target output data with a preset value. If they are consistent, the test passes; otherwise, the test fails. The present invention improves the memory output interface test performance and increases the chip operating frequency.

The application discloses a kind of flight path planning method of aircraft's jump and system thereof, it is related to path planning technical field.The method includes: data acquisition and generation reference flight path;Establish path planning model and generate predicted flight path;Determine optimal flight path and carry out path test;Risk assessment and determine final actual flight path;Obtain flight path error and carry out path correction;Form path planning database.The application obtains predicted flight path by establishing path planning model and determines optimal flight path by path optimization algorithm, carries out path test and risk assessment to optimal flight path by establishing simulation test environment, and determines final actual flight path, carries out path correction by obtaining real-time flight data and establishes path planning database to ensure the accuracy of path planning, and thus ensures the real-time and accuracy of path planning, and then improves the flight performance of aircraft on jump flight path.

Systems and methods may perform sequential automatic test pattern generation (ATPG) on parallel memory units. A first array of logic gates may output enable signals to cause multiple memory units to be enabled in parallel. Test pattern generation and test control logic may perform forward path testing, backward path testing, and any other appropriate testing on the enabled memory units. The systems and methods may then move on to another group of memory units, which are enabled in parallel and tested in parallel.

The invention discloses a software test method based on a knowledge graph and a neural network, and aims to convert a variation test problem into a traditional coverage path test problem according to the performability of variation branches and program paths and efficiently generate a test case with defect detection capability in a multi-task parallel mode. The method comprises the following steps: statically analyzing execution correlation between variation branches and program paths, and dividing the variation branches with the same execution paths into the same group; then, establishing a variation test case based on path coverage for the multiple groups of variation branches to generate a multi-task optimization model; and finally, solving the model by utilizing a multi-population genetic algorithm, and efficiently generating a test case with defect detection capability by adopting a multi-task parallel mode. According to the method, the variation branches are grouped according to the paths to which the variation branches belong, and a traditional mature path test method is adopted, so that the software test efficiency is improved, and the test case with high defect detection capability is generated.

This invention discloses a method for testing the corrosion crack propagation path of floating structures based on digital twins, relating to the field of path testing. The method includes the following steps: acquiring basic information about the floating structure, setting up a three-dimensional virtual structure model, and marking key nodes; setting up an intelligent sensor network to acquire real-time monitoring data at each key node; performing labeling and analysis on the historical monitoring data at each node within the three-dimensional virtual structure model to obtain a longitudinal and transverse label dataset; performing longitudinal and transverse analysis on the longitudinal and transverse label dataset to obtain the interaction relationship between seawater corrosion and crack propagation at each key node in three dimensions: time, space, and degree of influence; constructing a monitoring verification model and a crack propagation model based on the analysis results; verifying and analyzing the real-time monitoring data using the monitoring verification model; and performing path analysis on the verification analysis results based on the crack propagation model. This invention improves the accuracy of the crack propagation path testing process.

The invention relates to the technical field of Switch Board testing, in particular to a multi-path Switch Board testing system and method, and the method comprises the following steps: 1, testing preparation: collecting the technical specification of a tested board, and building a power supply system and a network testing environment; the collected technical specifications comprise port configuration, supported protocols, power supply requirements and a working temperature range; the voltage and frequency of the power supply system meet the requirements of Switch Board, and the provided power meets the maximum load requirement in the test process; according to the invention, the quality of the Switch Board can be comprehensively evaluated, it is ensured that the Switch Board can stably and reliably operate under various working conditions, and potential defects and problems, such as design defects, manufacturing process problems, component faults and the like, existing in the Switch Board can be found in time in the testing process, so that manufacturers can improve the problems, and the testing efficiency is improved. The quality and reliability of products are improved, and the probability that the products break down in the using process is reduced.

This invention provides a mobile dual-gas-path testing and metering device, including a testing and metering system mounted on a fixed frame for supporting and moving the system. The testing and metering system includes an oil-gas mixture input pipeline, a gas-liquid separation pipeline, a dual-gas-path metering pipeline, a liquid phase metering pipeline, and a gas-liquid mixture discharge pipeline. The output end of the oil-gas mixture input pipeline is connected to the gas-liquid separation pipeline, and the oil-gas mixture is supplied to the gas-liquid separation pipeline through the input pipeline. This invention, by designing a dual-gas-path metering pipeline, allows for manual switching based on the flow rate of the oil-gas mixture, thus solving the problem of large accuracy deviations in current single-path metering and widening the measurement range. Connecting an inlet / outlet pipe between the oil-gas mixture input pipeline and the gas-liquid mixture discharge pipeline allows for maintenance of the testing and metering system without shutting down the oil well.

The utility model discloses a handheld locomotive speed signal channel testing arrangement, including main body and connecting unit, the main body includes the shell and the power module, touch -sensitive screen, control module, signal isolation output module, channel line detection module and state indicating module integrated on the circuit board, and the circuit board is placed in the shell, the connecting unit includes main cable, and one end of main cable is sealedly connected with the shell through waterproof fastening ring, and the other end is fixed with the connecting plug, the utility model discloses through single -channel PWM drive four -way photo -coupler isolation output stable speed pulse, realizes quantitative accurate test, and through integrated channel line detection and LED state indication, diagnoses the line polarity and on -off fault before testing fast, solve the problem that traditional swing handle method is low in efficiency, signal is unstable, can not pre -diagnose line fault and the poor equipment compatibility of difference, promote locomotive debugging efficiency and safety.

This application relates to a gas path detection method, system, device, medium, program product, and vehicle. The method involves determining the inflation index parameters of the target gas path based on gas flow rate data, and then determining the detection result of the target gas path based on the inflation index parameters. This invention aims to improve the efficiency of gas path detection.

The utility model belongs to the technical field of glue path detection, and particularly relates to online glue path detection equipment which comprises a detection table, a supporting frame is fixed to the detection table, and a sliding groove and a limiting groove are further formed in the detection table; the fixing mechanism comprises a sliding plate and a supporting plate, the sliding plate is slidably connected with the sliding groove, the supporting plate is slidably connected with the limiting groove, the supporting plate is rotationally connected with a driving rod, a sliding ring motor is fixed to the driving rod, and the two ends of the driving rod are slidably connected with the fixing plate. The detection mechanism comprises a detector and a sliding rail, the detector is fixedly connected with the supporting frame, the supporting frame is fixedly connected with the sliding rail, the sliding rail is slidably connected with a sliding block, and the sliding block is fixedly connected with the marking assembly; according to the utility model, a detected object is effectively clamped through the fixing mechanism, so that the stability and accuracy during glue path detection are ensured; and meanwhile, the glue path is accurately detected through the detection mechanism, products with errors can be marked, and cutting and repairing of the glue path are facilitated.

Systems and methods transform a user-defined program flowchart into executable code. A graphical authoring / import interface persists the flowchart as a typed graph of nodes and edges. A knowledge base is built by ingesting user-authorized schemas, code repositories, and API specifications, normalizing discovered elements as term objects with types and aliases. For nodes containing natural-language or pseudocode text, a domain-specific selection model, constrained to the knowledge base, selects canonical domain terms. The typed graph and selections are lowered to an intermediate representation and compiled into target-specific code including parameterized data-access statements and API invocations. The system synthesizes and executes unit and path tests, then assembles a deployable runtime package with a configuration manifest identifying dependencies, secrets, endpoints, and health probes. The package may be deployed as an rApp in a Service Management and Orchestration environment to analyze RAN KPIs and issue closed-loop control actions.

The invention relates to the technical field of integrated circuit design, in particular to a built-in test system based on an AXI interface, the system performs data path test through a test master module and a test slave module in an AXI test module, the test master module takes over a data path sent to a downstream module, and the test slave module takes over the data path sent to the downstream module. Target request information can be actively generated by the test master module, a data path sent to the upstream module is taken over by the test slave module, and target return information can be passively generated by the test slave module according to the target request information sent by the upstream module; therefore, a data path between the upstream module and the downstream module is divided into a data path from the upstream module to the test slave module and a data path from the test master module to the downstream module, the fine granularity of data path fault positioning is improved, the fault position of the data path can be quickly positioned, the transmission state information of the data stream can be monitored, and the fault positioning accuracy is improved. And the validity of the data path test is improved.

A validation circuit is placed in vicinity of a critical path for testing the critical path. The validation circuit receives test data from the control circuit for testing the critical path. The test data is indicative of a delay value that is associated with the critical path. The validation circuit generates multiple setup signals and an enable signal to facilitate the testing of the critical path based on the test data. The validation circuit generates a first test signal based on the enable signal, and a second test signal based on the first test signal and the setup signals. The second test signal is a delayed version of the first test signal. The validation circuit compares the first test signal and the second test signal. A mismatch between the first test signal and the second test signal indicates deviation from the delay value.

Systems and methods transform a user-defined program flowchart into executable code. A graphical authoring / import interface persists the flowchart as a typed graph of nodes and edges. A knowledge base is built by ingesting user-authorized schemas, code repositories, and API specifications, normalizing discovered elements as term objects with types and aliases. For nodes containing natural-language or pseudocode text, a domain-specific selection model, constrained to the knowledge base, selects canonical domain terms. The typed graph and selections are lowered to an intermediate representation and compiled into target-specific code including parameterized data-access statements and API invocations. The system synthesizes and executes unit and path tests, then assembles a deployable runtime package with a configuration manifest identifying dependencies, secrets, endpoints, and health probes. The package may be deployed as an rApp in a Service Management and Orchestration environment to analyze RAN KPIs and issue closed-loop control actions.

Systems and methods may perform sequential automatic test pattern generation on parallel memory cells. In one example, an array of logic gates (330 to 335) may output enable signals to cause multiple memory cells (360, 361) to be enabled in parallel. The test pattern generation and test control logic (210) may perform a forward path test, a backward path test, and any other suitable test on the enabled memory cells (360, 361). The systems and methods may then be moved to another set of memory cells that are enabled in parallel and tested in parallel.

The invention relates to a test task execution method and device, electronic equipment and a storage medium, and relates to the technical field of integrated testing. The method comprises the following steps: acquiring execution duration of each test task in a test task set in real time; determining a directed topological graph of the path test task set according to the dependency relationship among the test tasks; determining a critical path and a non-critical path according to the path directed topological graph and the path execution duration; and according to the real-time load information of each node, the test tasks in the critical paths are preferentially distributed to the nodes with low loads, and after the test tasks in the critical paths are distributed, the test tasks in the non-critical paths are distributed so as to execute each test task. By applying the method and the device, the test tasks in the critical path can be preferentially allocated to the nodes with low loads, so that the test tasks can be efficiently executed.

The same test data frame is dispatched from a network interface device a plurality of times so as to test a network. Since the same test data frame is used, it may be unnecessary for a new test data frame to be provided and protocol processed each time one is required to be sent. The protocol processing resources of the network interface device are then available for sending further traffic in parallel with the dispatch of the test data frames. On the receive side, the network interface device collects statistics regarding the reliable receipt of test frames, without requiring the test frames to be further processed and provided to a driver of the network interface device. In this way, the processing and buffering capacity in the network interface device is available for handling further traffic in parallel with the test traffic.

The invention provides an equipment performance test method and related equipment thereof. The method comprises the following steps: firstly, acquiring an equipment model of to-be-tested equipment, and calling corresponding standard parameters according to the equipment model; testing the to-be-tested equipment according to a preset test path, wherein the preset test path comprises a first test path and a second test path; and if one test result does not meet the test requirement in the test process of the first test path or the test process of the second test path, judging that the to-be-tested equipment is abnormal equipment. According to the equipment performance test method provided by the invention, the standard parameters are called according to the equipment model, and the multi-path test is executed, so that the early recognition and preventive maintenance of the aging state of the equipment are realized, and the production interruption is avoided. Compared with a traditional fault-response mode, the method has the advantages that different performance aspects of equipment are covered through multi-dimensional testing, it is ensured that potential problems are rapidly captured and identified, and periodic overhaul and early fault early warning are effectively supported.

The invention belongs to the technical field of grouting and filling, and relates to a fluidized filling material three-dimensional flow path test method, which comprises the following steps: constructing a mining space void structure three-dimensional model; printing the mining space void structure three-dimensional model by using a concrete 3D printing technology to obtain a mining space void structure three-dimensional physical similar model; the gangue slurry is injected into the mining space void structure three-dimensional entity similar model, and a final similar model is obtained after the gangue slurry is condensed; and performing transverse slicing treatment on the final similar model, observing the flow diffusion condition of the gangue slurry in the final similar model, and analyzing the flow path of the gangue slurry in the mining space. According to the invention, the flow diffusion condition of the gangue slurry in the mining space can be simulated, and the flow path of the gangue slurry in the mining space can be efficiently and accurately predicted, so that each corner of the mining space can be uniformly and fully filled with the gangue slurry, and the strength and stability of a filling body are improved.

The invention discloses an optical fiber transmission noise evaluation method and system based on multi-path testing. The method comprises the steps that a multi-gradient preset transmission testing scheme is configured, and optical / electric signal modal data of multi-path optical fibers are collected; analyzing the optical signal modal data to obtain a first deviation feature, and analyzing the electric signal modal data to obtain a second deviation feature; generating a sample set according to the deviation characteristics, and screening a deviation consistency period through mean shift clustering; performing noise influence correlation evaluation based on the time period data; and sorting the test time periods according to a classification result, evaluating the OSNM and BER linear change rates of the corresponding time periods, and generating a noise influence evaluation report. According to the invention, multi-dimensional noise evaluation is realized through photoelectric signal conjoint analysis, the transmission quality evaluation accuracy is improved, and an effective basis is provided for optical fiber transmission risk management and control and equipment adjustment.