507 results about "System testing" patented technology

The invention relates to the technical field of autonomous navigation and intelligent control of an ocean unmanned system, in particular to a dynamic obstacle avoidance system in unmanned ship path planning, which comprises a multi-source sensing module, a global path planning module, a remote obstacle avoidance decision module, a short-range dynamic obstacle avoidance module and a multi-stage cooperative control unit, and is also provided with a semi-physical verification module. The multi-source sensing module fuses multi-source data to construct a layered map; the global path planning module generates and optimizes a path by adopting an improved algorithm; the long-range and short-range obstacle avoidance modules cope with far and near obstacles based on different algorithms; the multi-stage cooperative control unit coordinates the output of each module; the functions of all the modules are achieved through specific algorithms and formulas, and the semi-physical verification module simulates a real environment to conduct system testing. According to the invention, the environment can be sensed in all directions, intelligent path planning and multi-stage obstacle avoidance decision are realized, an optimal instruction is output through cooperative control, the reliability is improved by combining virtual verification, and safe and efficient navigation of the unmanned ship in a complex water area is effectively ensured.

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.

The invention relates to the technical field of digital simulation, and discloses a hardware-in-the-loop simulation test method for a control and protection system of an energy storage power station. The method comprises the following steps: acquiring operation data of an energy storage power station, and establishing an SOC-power coupling constraint mechanism by adopting a state space decomposition algorithm; establishing a current-voltage-SOC three-dimensional protection criterion based on the battery state parameters; calculating power balance distribution of the multiple energy storage power stations by adopting a distributed coordination control algorithm; configuring a hardware interface signal synchronization protocol to establish a test platform; and loading a multi-scene fault working condition to execute automatic verification and outputting a performance evaluation result. The technical problem that the energy storage power station control and protection system lacks a high-precision, multi-scene and hardware-in-the-loop integrated simulation test verification method is solved, and the precision, efficiency and safety of test verification of the energy storage power station control and protection system are improved.

An autonomous driving system test method, comprising: sampling scenario data of a plurality of scenarios (S10), and sending the scenario data of the plurality of scenarios to a plurality of simulation emulators (200) for distributed testing, so as to obtain test result data of the plurality of scenarios, the plurality of simulation emulators (200) being each integrated with an autonomous driving domain controller; and determining a dangerous scenario boundary for an autonomous driving system on the basis of the test result data of the plurality of scenarios (S20). The method is an improvement on the a scenario-based simulation test technology for autonomous driving systems, and using a server and a plurality of simulation emulators integrated with autonomous driving system domain controllers to perform joint testing can greatly improve the simulation test efficiency and the test effect for autonomous driving systems.

The invention belongs to the field of automatic testing, and particularly relates to an automatic testing system and method for aviation fly-by-wire flight control equipment, and the system comprises a system self-inspection unit, a system resource unit, a system interface adaption unit, and a system testing control unit. And the system self-checking unit controls the automatic test system to execute a self-checking function through operation software. The test efficiency and the test coverage rate can be remarkably improved, the problem of function test omission can be effectively solved, the fault of the tested airborne avionics equipment is analyzed by adding the YMECA fault analysis module and combining the definition event and the structure function of the fault tree, qualitative analysis is carried out on the fault, a professional basis is provided for fault diagnosis, the maintenance difficulty is reduced, and the test efficiency is improved. The aircraft maintenance guarantee efficiency is improved, and joint test of a plurality of airborne avionics devices and parallel test of a plurality of airborne avionics devices of the same model in a fly-by-wire flight control system of a certain type of fighter can be realized.

The invention relates to the technical field of energy storage system testing, and discloses an AI camera and AI analysis-based energy storage system testing method and system, and the method comprises the steps: injecting a group of mutually orthogonal exploration excitation signals into an energy storage system, and collecting the global space-time response data of the system; comparing the global space-time response data with a preset health baseline model to identify a suspicious area with abnormal response; for the suspicious region, adaptively generating a resonance excitation signal capable of amplifying the fault characteristics to the maximum extent through an optimization algorithm, and injecting the resonance excitation signal; and collecting amplification response data of the suspicious region, and inputting the amplification response data into the deep learning model to diagnose a specific fault type. The system comprises a distributed excitation network, a global space-time sensing array and an AI analysis processing module. Targeted amplification is carried out on latent fault features by actively generating resonance excitation, the problem that early weak faults are difficult to find in a traditional method is solved, and the fault detection accuracy is improved.

Testing methods and systems provide a Diagnostic Testing Service as well as an attack simulation service, for a perimeter security system, in a non-disruptive manner, so that the production targets can be tested while normally functioning, and do not have to be brought down for testing. The testing methods can be implemented, such that they are vendor and device type neutral, considering the overall strategy utilized to prevent perimeter security system attacks.

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 present invention discloses a smart grid fault warning and diagnosis system, which relates to the field of smart grid technology, including a multimodal data acquisition and fusion module, a deep reinforcement learning warning module, a fault diagnosis module based on a graph neural network, an adaptive diagnosis module integrating multi-task learning, an edge computing and cloud collaboration module, and a system testing and verification module. The system comprises the following steps: collecting multi-source data through power sensors, smart meters and weather stations, and using a deep autoencoder model to reduce the data dimension and fuse features; importing the collected data into the deep reinforcement learning warning module, and dynamically adjusting the warning strategy through interaction with the grid operation environment; analyzing the topological structure of the grid and identifying the fault location by using the fault diagnosis module based on the graph neural network; learning the model and processing the fault type; combining edge computing with the cloud for collaborative work; and testing, verifying and optimizing the model by the system testing and verification module.

The invention relates to the technical field of audio testing, and particularly discloses a vehicle-mounted audio system testing method and system, and the method comprises the following steps: S1, constructing a simulation testing platform comprising a driving environment variable database; s2, establishing a hardware basis for signal acquisition and feedback; s3, generating a test environment instruction; s4, in response to the test environment instruction generated in the step S3, executing a multi-channel signal coupling test, and acquiring signal coupling data at the same time; s5, diagnosing an audio path delay fault point and a hardware distortion module; and S6, generating a three-dimensional sound field balance degree thermodynamic diagram and a fault positioning report, and outputting the thermodynamic diagram and the fault positioning report to a display terminal. According to the vehicle-mounted audio system testing method and system provided by the invention, the testing efficiency can be remarkably improved, the loudspeaker fault module is accurately positioned, the expansion box is compatible with most vehicle type interfaces, the impedance is automatically matched, and a sound field balance defect area is more intuitively displayed by adopting a three-dimensional thermodynamic diagram.

The invention relates to the technical field of power system testing, in particular to a relay protection device testing system and method. The system comprises a tested device, a tester, a device test case module, a test module, a test instrument interface module, a simulation master station module and a comprehensive diagnosis module. The output end of the device test case module is connected with the input end of the test module; the test module is respectively connected with the test instrument interface module, the simulation master station module and the comprehensive diagnosis module; the test instrument interface module is connected with the tested device through the tester, and the tested device is also connected with the test module through the simulation master station module. According to the invention, comprehensive and intelligent testing of the relay protection device is realized; the device can simulate various fault scenes, accurately detect the action response of the device, provide detailed performance evaluation and diagnosis reports through multi-path data feedback and comprehensive diagnosis, and effectively improve the test efficiency and reliability.

The embodiment of the invention relates to the technical field of text processing, in particular to a system testing method, device and equipment. According to the embodiment of the invention, the method comprises the steps: capturing the transaction flow and response message of an old system in real time, obtaining the related configuration from the transaction information, screening out the proper transaction flow, executing the recording operation, and carrying out the partition storage according to the real-time transaction information; after a playback instruction is received, a corresponding message set is selected according to the playback instruction, the playback rate is adjusted, the corresponding message is played back to the new system, a response message generated by the new system is obtained, the response message is compared with an old system response message, and a test result of the new system is generated. Through the mode, the background pressure requirements of performance and chaos testing can be met by automatically adjusting the message playback rate, different business transaction functions can be verified by playing back different messages at the same time, and therefore testing of new system functions is completed.

Various embodiments provide for a unified interface for testing a system, which can include a device under test (DUT). In particular, some embodiments described herein can be used to implement a Unified Test Framework (UTF) that comprises an architecture that provides a unified (or common) software interface to one or more test methods used during a development life cycle of a system. Example test methods can include, without limitation, modeling, verification, simulation, emulation, validation, customer support, and the like.

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 utility model provides a dummy load device for testing a liquid cooling system of a data center, which comprises an L1-path control circuit, an L2-path control circuit, an L3-path control circuit, an L4-path control circuit, an L5-path control circuit, an L6-path control circuit, an L7-path control circuit, an L8-path control circuit, an L9-path control circuit, an L10-path control circuit, an L11-path control circuit and an L12-path logic control system circuit. The dummy load device for testing the liquid cooling system of the data center can meet alternating current and direct current test requirements of a liquid cooling data center machine room and various single machine power (from 1500W to 30000W) requirements, is convenient to deploy, and saves a large amount of labor cost.

The invention relates to a financial credit creation system architecture deployment method, which comprises the following steps: S1, investigating the current situation, and determining the existing system architecture, business process and technology stack of a financial institution; s2, planning and designing, wherein model selection and configuration are carried out around a host platform, a cloud platform, middleware, a database and related key components; s3, development testing, including demand analysis, design, coding and self-testing, a testing stage including unit testing, integration testing, system testing, acceptance testing and regression testing; s4, platform construction; s5, migration implementation; and S6, operation and maintenance operation. Through the systematic deployment method, the problems of high security risk, high maintenance cost, poor autonomous controllability and the like of the existing financial credit and credential system are effectively solved, and efficient, safe, autonomous and controllable technical support is provided for digital transformation of financial institutions.

The embodiment of the invention discloses a new energy AGC intelligent agent decision rule optimization method, and relates to the technical field of power system testing, and the method comprises the steps: collecting historical power grid fault data, new energy AGC control data and simulation test data; preprocessing the collected data to obtain preprocessed data; based on the preprocessed data, a supervised learning method is adopted to carry out optimization training on a decision rule model of an intelligent agent, a deep neural network is used to predict the optimal AGC unit power adjustment amount, a mean square error is used as a loss function to carry out model optimization, and an optimized intelligent agent decision rule model is obtained; according to the method, the prediction precision of the model and the operation efficiency of the power grid are improved by optimizing the decision rule of the intelligent agent.

The invention relates to the technical field of industrial automation control system testing, and particularly discloses a fuzzy testing method and system based on program control flow, and the method comprises the steps: obtaining parameter data; analyzing the process parameter data and the environment disturbance data to obtain a mutation point; eliminating the process parameter data mutated due to interference of the environmental disturbance data according to the mutational points to obtain target process parameter data; extracting environment disturbance data, execution path data and production quality data in the event window; generating triple data; performing clustering analysis on the triple data in the same event window, and determining an abnormal cluster and a corresponding abnormal type; and according to the abnormal triple data, constructing a fuzzy test case. According to the method, parameter fluctuation under a normal working condition is prevented from being misjudged as system abnormity, internal defects and external interference factors of the system are effectively distinguished, and accurate filtering of external environment interference is realized.

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.

The invention discloses a fault injection system, method and device, computer equipment and a storage medium, and relates to the technical field of system testing, and the system comprises a fault sequence acquisition module and a signal adjustment module; the server mainboard sends a fault injection command to a fault injection system and controls the fault injection system to perform fault injection operation; a fault sequence acquisition module of the fault injection system acquires a fault sequence; and a signal adjustment module of the fault injection system obtains the data transmission signal from the server mainboard, adjusts the data transmission signal by using the fault sequence to obtain a target signal containing the first fault information, and transmits the target signal to the to-be-tested device to complete fault injection. The problems that fault injection depends on an external control panel, the system architecture is complex, and the accuracy and the real-time performance of fault injection are poor can be solved. The system does not need to be externally connected with a control panel and an additional power supply, is simple in system architecture, does not need to additionally develop firmware, and supports the real-time adjustment of the fault injection process.

The invention discloses a test case generation method and device, equipment and a medium, and relates to the technical field of embedded system testing. According to the scheme, the simulation test platform is specifically arranged, and the preset input and output interface supporting replacement of the internal port is in communication connection with the to-be-tested module, so that a user can be allowed to modify the internal port of the interface without changing the external connection of the interface, an interface adaptation layer does not need to be regenerated when different to-be-tested modules are replaced, and the user experience is improved. The universality and the high efficiency of the simulation test are greatly improved; meanwhile, when the test case is generated, the user only needs to configure the simulation configuration information file containing various parameters required by excitation generation and input the file into the simulation test platform, and the platform can generate the corresponding test case according to the input file, so that the universality and the expansibility of the simulation test are realized, and the test efficiency is improved.

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.

Methods, system, and non-transitory processor-readable storage medium for a test selection system are provided herein. An example method includes selecting, by a test selection system, a regression test case from a plurality of regression test cases in a software testing lifecycle system. The test selection system determines a product release weight associated with the regression test case, where the product release weight incorporates new features associated with a product release. The test selection system obtains a regression test case value for the regression test case by applying the product release weight. The test selection system selects the regression test case for use in regression testing for the product release, based on the regression test case value and executes the regression test case on a system.

A system testability prediction method based on an aero-engine functional architecture comprises the following steps: determining system test architecture data according to the aero-engine functional architecture; based on the system test architecture data, obtaining a fault mode probability lambda Di capable of being correctly tested by the ith basic-level maintainable function unit and a fault rate lambda i of the ith basic-level maintainable function unit, and establishing a system fault detection rate rFD mathematical model; obtaining a function fault mode probability lambda Ii which can be isolated to an ith basic level maintainable function unit, and establishing a system fault isolation rate rFI mathematical model; obtaining a fault mode probability lambda Ai that the i-th basic-level maintainable function unit with the test function may generate a false alarm, and establishing a system inherent false alarm rate rFA mathematical model; and system testability prediction is completed. The method can be used for scheme design of aero-engines and other complex products, system testability prediction in the detailed design stage and evaluation of whether the scheme design of the aero-engines meets testability quantitative index requirements or not.

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.