314 results about "System testing" patented technology

The invention relates to the technical field of power system testing, in particular to a transformer simulation test current optimization method based on dynamic impedance matching, which comprises the following steps: performing low-power scanning on a tested transformer to establish a nonlinear model capable of predicting harmonic waves; actively synthesizing the virtual impedance of the target power grid; and a feed-forward compensation current is generated by using a harmonic prediction model and is injected into the transformer after being superposed with a fundamental wave instruction. According to the method, accurate identification modeling is carried out on nonlinear characteristics of a tested unit, active synthesis of virtual impedance of a target power grid is combined, and harmonic compensation current is generated in real time by utilizing a feedforward control thought so as to optimize finally injected test current. According to the method, the problems of inaccurate power grid simulation and insufficient nonlinear response coupling of the transformer in a traditional test are solved, high-fidelity current injection is realized, real electrical behaviors of the transformer under various complex power grid working conditions can be accurately simulated, and the flexibility, accuracy and safety of the test are remarkably improved.

A measurement and control simulation device based on a measurement and control data transmission integrated system comprises an upper computer display control test module, a PC host module, a signal processing master controller module, an isolation DC / DC module, a down-conversion module, a filtering module, an isolator module and an outer end face interface module. The system has the characteristics of multiple modulation systems, a spread spectrum function, controllable output power, Doppler frequency change and the like, can be used for simulating a star chain control system link test in a ground test system, and fully improves the index assessment performance during system docking; meanwhile, the design of a down-conversion link meets the requirements for the strength and sensitivity of the received signal, the stability and accuracy of the radio-frequency signal after frequency conversion in a low-power injection state are remarkably improved, and a new scheme is provided for a high-frequency conversion mode. Besides, the display control module of the equipment has the functions of multiplexing, reconstruction, multi-data interaction and the like, so that multifunctional and multi-task full-system test coverage can be realized, the cost investment of test systems such as spacecrafts and the like is greatly reduced, and the multifunctional index test coverage efficiency is improved.

The invention belongs to the technical field of ultra-high voltage direct current power transmission, and discloses a test system and method of a converter valve thyristor voltage detection board card, and the test system comprises a test cabinet and a test tool. An industrial control system is integrated in the test cabinet to set test parameters and criteria, an electric control unit loads an excitation source, an acquisition display unit acquires test data and presents the test data in an oscillogram, and a test tool fixes a tested board card. The industrial control system outputs a control instruction to drive the electric control unit to apply system test excitation, the actual working condition of the thyristor is simulated, and meanwhile, the acquisition and display unit automatically captures multichannel signal data; data are transmitted to the industrial control system through the electric control unit, and the board card performance is automatically analyzed and a test report is generated in combination with a preset criterion. By adopting the system, the problems of insufficient function verification, low test efficiency, vulnerable equipment, poor data accuracy and large manpower occupation are solved, efficient and lossless automatic test is realized, the test reliability is improved, and the operation process is simplified.

The invention discloses a modularized hydraulic system testing system and method, and relates to the technical field of hydraulic testing, and the method comprises the following steps: S1, collecting outlet pulsating pressure signals of a high-pressure plunger pump and a low-pressure vane pump by adopting a nanosecond-level synchronous time mark system, generating a phase residual error map, and calculating a phase residual error map of the outlet pulsating pressure signals of the high-pressure plunger pump and the low-pressure vane pump; the hidden resonance risk is preliminarily judged through frequency drift and amplitude gradient calculation; and S2, on the basis of the synchronous acquisition base line, carrying out cross spectrum coherence degree calculation and phase difference time sequence analysis on the pulsating pressure sequence, identifying a frequency dislocation anchor point, generating a pump source pulsating interference fingerprint, and determining a time window of recessive resonance. According to the method, real-time identification, dynamic intervention and closed-loop control of recessive resonance in the hydraulic system are realized through nanosecond-level synchronous acquisition, phase conjugate inversion and frequency dislocation traction strategies, energy coupling caused by frequency dislocation is effectively avoided, the operation stability and safety of the system are improved, and the service life of equipment is prolonged.

The invention relates to the technical field of communication, and provides an interlocking system testing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining an equipment configuration file used for describing the equipment information of a tested interlocking system; performing analysis and information extraction on the equipment configuration file to obtain equipment configuration information; obtaining a test instruction containing a message type and message dynamic data, and generating a test message conforming to a preset communication protocol according to the equipment configuration information and the test instruction; and sending the test message to the tested interlocking system. According to the method and the device, the automation of the whole process from analyzing the equipment configuration file to automatically generating and sending the test message is realized, the test complexity and difficulty are reduced, errors possibly introduced by manual operation are avoided, and the test efficiency of the interlocking system is improved.

The invention relates to the technical field of automobile power system testing, in particular to a dynamometer and HIL integrated finished automobile multi-working-condition automatic testing and calibrating system, which combines a dynamometer rack with a hardware-in-the-loop simulation technology, develops a dynamics scene model covering conventional and limiting working conditions, and improves the testing accuracy of the dynamometer rack and the hardware-in-the-loop simulation technology. The conversion and interaction of virtual and real signals are realized through road load simulation and energy consumption simulation; the dynamometer and HIL integrated whole vehicle multi-working-condition automatic test calibration system is composed of IO, DOE, automatic calibration, objective evaluation and other functional modules, can automatically execute test cases, complete parameter calibration and optimization analysis, and perform objective evaluation on test results, and can realize multi-working-condition test, reduce the dependence on real vehicle road test, improve the test efficiency and comprehensiveness, and reduce the test cost. The controller development period is shortened, and the cost is reduced.

The invention designs and implements a performance test environment construction method oriented to cross-chain transaction of block chains. The system supports a user to customize test scripts and execution parameters according to test requirements, tasks are executed and workloads are initiated at the same time through multiple actuators, a load scene of a tested cross-chain application system is created, the whole process of cross-chain transaction from an initiator to a receiver is tracked at the same time, key data are collected, and performance test indexes are calculated. And a visual result report is generated. Comprising the following steps: analyzing system requirements, and describing and analyzing functional requirements and non-functional requirements of a system; carrying out summary design on the system, and respectively designing and describing the system from a logic view angle, a process view angle, a development view angle and a physical view angle; detailed design is carried out on each module of the system, and a scheme is designed for the modules from two different perspectives of a class diagram and a time sequence diagram; and carrying out system testing and summarization on the system.

Embodiments of the present disclosure relate to applications, platforms, architecture, etc. for using a master test image that may be used for multiple different tests. For example, a testing system may include a register bank that may be loaded with test configurations corresponding to one or more tests. The test configurations may respectively correspond to sets of control packets included in the master test image that may be used or executed for corresponding tests. The test configurations may indicate execution orders of their respective sets of control packets in which the execution order of one or more of the control packets included in the sets of control packets may differ from a default execution order of such control packets as indicated in the master test image. Such a configuration may accordingly allow for the flexibility of performing many different tests using a single master test image.

The invention discloses an automatic turn-back function testing method and device, relates to the technical field of train control system testing, and mainly aims to improve the efficiency of automatic turn-back function testing. According to the main technical scheme, a simulator corresponding to a tested vehicle-mounted end is created based on preset communication behavior logic, communication connection between the simulator and the tested vehicle-mounted end is established, the tested vehicle-mounted end is a turn-back receiving end, and the simulator is used for simulating a turn-back initiating end corresponding to the turn-back receiving end; the communication behavior logic represents a single-end behavior rule of a turn-back initiating end in a turn-back process; configuring a test case according to a turn-back operation test point in the automatic turn-back function, wherein the test case has a corresponding expected result; according to the test case, driving the simulator and the tested vehicle-mounted terminal to simulate and execute an automatic turn-back interaction process to obtain a test result; and comparing a test result with an expected result so as to verify whether the automatic turn-back function is normal based on the tested vehicle-mounted terminal and the simulator.

The application provides a kind of LTP pressure test monitoring early warning test method, belong to operating system test verification field, the application can guarantee that pressure test reaches standard value and is full load stable operation in time monitoring by monitoring early warning mechanism and pressurization, reaches final test purpose;Through the monitoring early warning mechanism, the running situation of pressure test is monitored in time, the scene of excessively high CPU utilization is monitored in time and early warning information is thrown, the time of abnormal scene occurrence and CPU utilization abnormal value are recorded, so as to notify tester in time for timely analysis, positioning problem in the abnormal CPU utilization of later period.

The invention discloses a system stability analysis method and device and electronic equipment. The method relates to the technical field of system testing, and comprises the following steps: in response to a test operation initiated by a user for carrying out system stability analysis on a target service scene of a to-be-analyzed system object, collecting analysis index data under the target service scene; evaluating the analysis index data by adopting different index evaluation modes corresponding to the target business scene to obtain first stability analysis results of the different index evaluation modes corresponding to the analysis index data; carrying out aggregation analysis on each first stability analysis result by adopting a maximum instability principle to obtain second stability analysis results corresponding to different index evaluation modes; and performing comprehensive evaluation based on the second stability analysis result by adopting a maximum instability principle to obtain a system stability analysis result of the target business scene of the to-be-analyzed system object. The accuracy of system stability analysis can be improved.

The invention discloses a liquid cooling cluster CDU performance test method and system, and relates to the technical field of liquid cooling system tests.The liquid cooling cluster CDU performance test method and system are characterized in that a control signal is generated by obtaining a test working condition instruction to simulate load, environment and cooling liquid changes, and operation parameters are collected for synchronous processing and analysis; the problem that dynamic complex working conditions cannot be truly simulated in the prior art is solved, the full-working-condition environment can be truly simulated, synchronous collection and analysis of multi-dimensional data are achieved, transient response characteristics and potential faults of the CDU are accurately captured, and the authenticity and reliability of performance testing of the liquid cooling cluster CDU are improved.

The invention discloses an intelligent networked automobile indoor test system based on whole automobile in-the-loop simulation, which relates to the technical field of automobile intelligent networked system testing and comprises a four-upright steel belt rotating hub system, a road condition simulation system, an environment simulation system and a control system. The four-stand-column steel belt rotating hub system comprises four steel belt rotating hub machines, the four steel belt rotating hub machines support four tires of a vehicle respectively, and each steel belt rotating hub machine is connected with a dynamometer. The road condition simulation system comprises an LED screen, a projector, radar target simulators, a roadside communication unit and a V2X communication module, the radar target simulators are arranged at the two ends of the LED screen respectively, and the roadside communication unit is used for sending road information to a vehicle through the V2X communication module and simulating a road traffic environment; the environment simulation system comprises a lamp set, a water nozzle and a fog machine. The road traffic condition can be truly presented, the testing depth can be remarkably improved, potential function safety risks are eliminated, the cost is reduced, and the development period is shortened.

1. Name of the product in this design: Circuit System Tester. 2. Purpose of this design: For use in circuit system testing instruments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a dual-redundancy R-EPS steering system electronic power unit performance detection device, and relates to the technical field of steering system testing. The control unit is in communication connection with the upper computer; the actuating mechanism comprises a programmable load motor, the control end of the actuating mechanism is connected with the control unit, and the output end of the actuating mechanism is connected with a motor output shaft of the tested electronic power unit; the sensing feedback module comprises a plurality of sensors used for collecting operation parameters of the tested electronic power unit, and each sensor is connected with the control unit; the fault simulation module is integrated in the control unit, and the output end of the fault simulation module is used for connecting a fault injection node of the tested electronic power unit; wherein the programmable load motor, the sensing feedback module and the fault simulation module form an integrated test system for performing dynamic load test and active fault injection test on the tested electronic power unit under the coordination of the control unit. High integration and automation of the detection process can be realized, and the test efficiency and consistency are improved.

This application discloses a method, apparatus, storage medium, and vehicle for testing vehicle infotainment system functions, relating to the field of vehicle infotainment system testing technology. The method includes: responding to the detection of a vehicle infotainment system test task instruction, parsing the instruction, and determining structured functional task data; identifying the structured functional task data, determining the test execution user, and determining the functional test task corresponding to the user; determining that the functional test task is completed, generating functional test results and functional test logs, and performing data mining analysis on the logs to determine log analysis results; if the log analysis results determine that the functional test task is risk-free, completing the task, and generating a functional test report corresponding to the test results. This achieves automatic distribution of test tasks, reducing dependencies between developers and minimizing human communication costs.

The invention discloses a transformer active defense system testing device and method based on high-speed partial discharge data playback, and the device comprises a high-speed partial discharge data storage unit which stores the original data of partial discharge; the high-speed network interface unit transmits the partial discharge data in the selected network message format; the FPGA data processing and playback unit analyzes the network message, extracts an original partial discharge data point, and converts the original partial discharge data point into a high-speed digital signal according to precise time sequence control; the high-speed digital-to-analog converter converts the high-speed digital signal into an analog signal; the signal conditioning and interface unit is used for conditioning the analog signal into an analog partial discharge signal meeting the input requirement of a partial discharge acquisition unit of the active defense system to be tested; and the control and configuration unit monitors and records the playback process state and the protection action response of the active defense system to be tested. According to the invention, various performance indexes of the active defense system can be verified safely, efficiently and truly.

The present application relates to the technical field of distributed system testing and operation and maintenance monitoring, and particularly relates to a server test environment automatic monitoring method and system, comprising: collecting a micro-service cluster directed call topology structure, constructing a distributed cell layer with node and edge vector spaces; parsing data serialization rules to extract constraint restriction mapping matrices, assembling a Hodge-Dirac operator; obtaining real-time business state vector groups to splice into zero-order co-chains, using the operator to solve an algebraic Laplace matrix to calculate a quadratic form energy functional; when determining that the quadratic form energy functional is greater than zero, generating an early warning signal, constructing and solving a discrete layer diffusion dynamics equation based on the algebraic Laplace matrix, obtaining a state compensation update matrix; finally, analyzing the state compensation update matrix into reverse rollback and cache erasure instructions, and submitting the instructions to a service mesh data plane proxy component for execution. The present application realizes code-free cross-node semantic conflict quantification and distributed consistency state self-healing closed loop.

The invention relates to a distributed DNS test method and device, computer equipment and a storage medium. The method comprises the steps of obtaining test demand data, configuring a plurality of agent nodes located in different geographic areas according to the test demand data, creating a test task, and distributing the test task to the plurality of agent nodes, the test task comprising a to-be-tested domain name, an expected analysis result and a query parameter, controlling each agent node to initiate a DNS query request to the to-be-tested DNS system based on the to-be-tested domain name and the query parameter, receive a query result returned by each agent node, verify whether a domain name resolution behavior of the to-be-tested DNS system meets a preset service specification requirement based on the query result and an expected resolution result fed back by each agent node, obtain a verification result, and send the verification result to the to-be-tested DNS system. And generating a test report according to the verification result. By adopting the method, the accuracy and efficiency of DNS system testing can be effectively improved.

The invention discloses a relay protection test method and device, equipment, a storage medium and a product, and relates to the field of embedded system tests.The relay protection test method comprises the steps that an automatic test script compiled by a user is obtained, and relay protection test parameters are determined based on the automatic test script; an analog signal is generated based on the relay protection test parameters through the virtual relay protection tester, and relay protection test is carried out on the to-be-tested device through the analog signal; and response information fed back by the to-be-tested device based on the analog signal is acquired, and a relay protection test result is determined based on the response information. The virtual relay protection tester generates the analog signal based on the relay protection test parameter, and performs the relay protection test on the to-be-tested device through the analog signal, so that compared with the existing relay protection test performed through an entity relay protection tester, the relay protection test cost can be reduced, and the relay protection test efficiency can be improved. And the relay protection test efficiency is improved.

The application provides a kind of inter-station safety information transmission system testing device and method, the one-way test component and two-way test component of the device are connected with inter-station safety information transmission system through driving line, and the connection line is connected with the one-way communication board and two-way communication board of inter-station safety information transmission system.In the scheme, the one-way test component and two-way test component are connected with inter-station safety information transmission system through driving line respectively, when the status signal generated by one-way test component is transmitted to two-way test component, it is determined that the signal transmission from one-way to two-way of inter-station safety information transmission system is normal, when the status signal generated by two-way test component is transmitted to one-way test component, it is determined that the signal transmission from two-way to one-way of inter-station safety information transmission system is normal, and inter-station safety information transmission system is connected through two driving lines, to realize the purpose of simplifying wiring and preventing wiring error test failure.

The invention provides a large-scale complex software system test case recommendation method based on deep reinforcement learning, which forms deep cognition of a model on a case by providing analyzable case-code-defect multi-layer features, and constructs dynamic features for describing selected cases at the same time, so as to recommend the test cases of the large-scale complex software system. The complementarity and redundancy among the cases are comprehensively considered by the model, and the group-level test case recommendation ability is improved. In addition, through a multi-cycle adaptive training reinforcement learning structure, the method has high adaptability to a dynamic environment, and automatic use case recommendation can be achieved according to code fireworks. The improvement of the capabilities realizes more intelligent and more efficient test case recommendation, and is helpful for improving the defect detection efficiency and the test resource utilization rate of software testing in a continuous integration environment.

System testing is described. An example system testing method includes: acquiring module relationship information for a system under test, the system under test including a plurality of modules, the module relationship information indicating a logical relationship between each two of the plurality of modules; and testing at least two modules in the system under test based on the module relationship information, the at least two modules being associated with each other for the same function implemented by the system under test. By use of the technical solution of the present disclosure, both system and module perspectives can be applied to system integration testing, so as to achieve a more comprehensive system testing coverage and find problems in the system under test as soon as possible, which can help to improve the system testing coverage and system testing efficiency.

The invention discloses a method and device for determining a test path in a distributed system test scene, and relates to the field of distribution.The method comprises the steps that in the test process of a distributed system, interaction data between nodes of the distributed system is collected, and the interaction data at least comprises the calling direction, the calling frequency, delay and historical fault associated information; constructing a test coverage graph according to the interaction data, wherein the test coverage graph is used for representing interaction strength and potential risk information among the nodes; determining a target damping coefficient according to the weight volatility predicted by the neural network model for each node of the distributed system; determining the weight of the edge of the test coverage graph according to the interaction frequency, the average delay and the historical fault propagation probability among the nodes of the distributed system; and determining a test path of the distributed system according to the target damping coefficient and the weight of the edge of the test coverage graph. According to the method and the device, the problem of inaccurate test path selection in the existing distributed system test is solved.

The application relates to a system testing method and device, computer equipment and a storage medium, and relates to the technical field of artificial intelligence. The method comprises the following steps: according to the function type of a system to be tested, dividing the system to be tested into at least one test service module; according to the importance of each test service module, determining the test mode of each test service module; according to the test flow acquisition strategy corresponding to the test mode of each test service module, determining at least one target test flow group corresponding to each test service module, and determining the test case link and flow group execution sequence of the at least one target test flow group; according to the flow group execution sequence of each target test flow group corresponding to each test service module, calling the test case link of the corresponding target test flow group to test the system to be tested. The method can improve the test efficiency, reduce the test cost, and provide guarantee for accurately, efficiently and comprehensively testing the test system.

The invention relates to a computer-implemented method for generating test scenarios for testing a technical system, comprising the steps: a. providing a search space (10) (S1); wherein the search space (10) is defined by an operating design area (20), ODD; wherein the operating design area (20) comprises a plurality of elements (22); wherein the technical system is operated in the operating design area (20); b. generating at least one first test scenario based on the search space (10) (S2); wherein the at least one first test scenario comprises at least one first element of the plurality of elements of the operating design area (20), ODD; wherein the at least one first test scenario examines at least one corresponding dimension (12) of the search space (10); c. generating at least one associated first test result by executing the at least one first test scenario (S3); d.Evaluating the at least one associated first test result (S4); e. Generating at least one further test scenario based on the search space (10) taking the evaluation into account (S5); f. Repeating steps c. to d. with the at least one further test scenario and e. until the search space (10) is exhausted (S6); and g. Providing the at least one first test scenario, the at least one further test scenario and / or the corresponding test results (S7). Furthermore, the invention relates to a technical system and a corresponding computer program product.

The embodiment of the invention provides a software system testing method and device, equipment and a storage medium, and relates to the field of artificial intelligence and the application field of artificial intelligence in the field of financial science and technology. The method comprises the steps that in the software system testing process, when the accumulated duration is larger than the preset duration, the running process of the software system is analyzed according to at least one obtained target testing case, a target testing result corresponding to each target testing case and a target running log of the software system, and the expected running state of the software system is obtained; the target test case is automatically generated according to information in a pre-created case information base; generating a verification case according to the expected operation state; the verification case is operated, a target result of the software system is obtained according to the obtained operation result and the expected operation state, and the target result is used for representing whether the software system needs to be improved or not. In this way, the robustness of long-term operation of the system is tested through the automatically generated case in advance.

This application provides a functional verification method applicable to the fields of artificial intelligence or big data technology. The method includes: acquiring a preset knowledge graph, the knowledge graph including markers indicating differences between functional points in a first system and functional points in a second system, the differences including difference types; acquiring first system test cases corresponding to the differences; based on the difference types, executing a corresponding test case generation strategy on the first system test cases to obtain second system test cases; calculating the functional coverage of the second system with respect to the first system; and, if the functional coverage is greater than a preset coverage threshold, performing regression testing verification based on the second system test cases. This application also provides a functional verification device, equipment, storage medium, and program product.

The invention discloses a test script conversion method and a related device, and relates to the field of automatic tests.The test script conversion method comprises the steps that a test script corresponding to a software application in a first operating system is analyzed to obtain script key information, and converting the test script into a target test script corresponding to the second operating system based on the script key information and a set mapping table, performing a static test and a dynamic test on the target test script, and determining to complete test script conversion after the target test script passes the test. According to the method and the device, automatic conversion of the test scripts among different operating systems is realized, the problems existing in manual intervention are effectively avoided, the conversion speed and accuracy of the test scripts are improved, the test script of one operating system can be quickly converted into the test script suitable for another operating system, and the test efficiency is improved. Therefore, the preparation time of cross-system testing is shortened; meanwhile, the development and maintenance cost caused by repeatedly writing test scripts by different operating systems is saved.

The invention provides an online-offline-based hardware platform performance testing method and device and computer equipment, and relates to the technical field of computers, in particular to the fields of computer system testing, performance evaluation and the like, and the implementation scheme comprises the steps that multi-channel data of a first hardware platform running in an online environment is collected; performing abnormal data identification processing on the multi-channel data to obtain a first sub-multi-channel data fragment including abnormal data; generating a scene description script based on the data and the timestamp of each channel in the first sub-multi-channel data fragment; loading the scene description script to a to-be-tested second hardware platform to carry out an offline playback test; performing consistency calculation on a first running result obtained by operating the first hardware platform and a second running result obtained by operating the second hardware platform to generate a consistency evaluation score; and evaluating the performance of the second hardware platform based on the consistency evaluation score to obtain a test result, thereby realizing the performance test of the hardware platform.