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116 results about "Closed loop testing" patented technology

Ship mobile energy storage system CAN communication protocol automatic test system and method

The invention discloses a ship mobile energy storage system CAN communication protocol automatic test system and method, and the system comprises a protocol modeling and test configuration module, a simulation node behavior simulation module, a CAN bus interaction and power closed loop module, and a test analysis and result evaluation module. A CAN communication protocol specification of the ship mobile energy storage system and parameters of tested equipment can be obtained, a protocol analysis model and a test configuration file are constructed for format verification and logic consistency verification, meanwhile, a corresponding test case sequence is automatically generated, and the message sending time is controlled to generate a time sequence simulation message flow; and sending the time sequence simulation message flow to the tested equipment, simulating energy interaction behavior acquisition to generate a power feedback data set, testing to obtain a signal consistency deviation and a power execution error to construct a protocol conformity evaluation matrix, and generating a visual test report. According to the invention, the high coverage rate and automatic closed-loop test of the CAN communication protocol can be realized.
Owner:ROYPOW TECH CO LTD

End-to-end automatic driving system closed-loop confrontation test method based on world model

The invention belongs to the field of automatic driving test, and provides an end-to-end automatic driving system closed-loop confrontation test method based on a world model, and the method comprises the steps: building an end-to-end automatic driving system test platform based on the world model, providing end-to-end automatic driving system perception input information, and carrying out the modeling of a camera sensor, the accurate alignment among the multi-modal scene information is realized; constructing a traffic flow module, and providing map and scene global state information; a traffic vehicle multi-agent collaborative confrontation strategy balancing strategy convergence and strategy diversity is designed, a dense reward function is constructed and matched with an agent heterogeneous strategy adaptive adjustment method, a global exploration target is planned as a whole, and the test efficiency is improved; all the modules are integrated, an end-to-end automatic driving system to be tested is integrated, and efficient closed-loop testing is achieved. According to the method, efficient testing of the performance of the end-to-end automatic driving system can be achieved, the robustness and safety of the end-to-end automatic driving system can be evaluated, and functional defects of the system can be rapidly excavated.
Owner:JILIN UNIVERSITY

Optical module adaptive test and rapid convergence method based on reinforcement learning

The invention relates to the technical field of optical communication, and discloses an optical module adaptive test and rapid convergence method based on reinforcement learning, which can dynamically generate and execute an optimal test sequence for optical modules of different types or states through an off-line trained RL intelligent agent module, avoids redundant steps in a fixed process, and improves the test efficiency. On the premise of ensuring the test coverage, the test time is obviously shortened, and meanwhile, the detection probability of potential defects is improved; through the closed-loop test of the integrated RL intelligent agent module, the test action can be adjusted in real time according to the state of a single optical module, so that the test process can quickly adapt to the individual difference and process fluctuation of the device, the online quick convergence of the test strategy is realized, and the accuracy and stability of the test are guaranteed; and through online iterative optimization of the RL agent module, new data and new changes in the production process can be continuously learned, so that a test strategy is continuously evolved, and the optimal performance is kept for a long time.
Owner:CHENGDU GUANGCHUANGLIAN CO LTD

GOOSE / SV closed-loop test-based online transmission verification method for virtual loop of intelligent substation

PendingCN121299316AMathematical modelsElectrical testingClosed loop testingHierarchical hidden Markov model
The invention discloses an intelligent substation virtual loop online transmission verification method based on GOOSE / SV closed loop test, and relates to the technical field of intelligent substation operation and maintenance. Through precise clock synchronization and an improved cross-correlation algorithm, in combination with wavelet noise reduction and spectral clustering analysis, nanosecond synchronization quality evaluation of GOOSE / SV signals is realized, and the hidden transmission risk discovery time is shortened from regular maintenance to real-time monitoring; a hierarchical hidden Markov model is adopted to analyze equipment-level to system-level behavior modes, real-time probabilistic reasoning is realized in combination with a dynamic Bayesian network and particle filtering, a multi-dimensional evaluation system is constructed, the reliability evaluation capability under complex working conditions is remarkably improved, an optimization scheme is generated based on network path characteristic analysis and bottleneck identification, and the reliability of the system is improved. Multi-scene closed-loop verification is carried out by means of a digital twin technology, safety and reliability of parameter optimization are ensured, and full-process intelligent operation and maintenance of the virtual circuit of the intelligent substation from state perception to optimization verification are realized.
Owner:QINHUANGDAO POWER SUPPLY COMPANY OF STATE GRID JIBEI ELECTRIC POWER COMPANY

Method and system for testing creep resistance of reinforced solid wood structure

The invention discloses a method and a system for testing creep resistance of a reinforced solid wood structure, and belongs to the technical field of mechanical property testing of materials, and the method comprises the following steps: acquiring an environmental parameter combination and a load parameter combination, carrying out multi-field coupling loading on a solid wood sample, generating a loaded sample state, carrying out in-situ optical monitoring, and generating optical monitoring data, carrying out in-situ acoustic monitoring to generate acoustic monitoring data; according to correlation analysis of the optical monitoring data and the acoustic monitoring data, creep prediction parameters are generated, the load parameter combination is dynamically adjusted, a closed-loop test environment is formed, comprehensive analysis is carried out by combining the optical monitoring data and the acoustic monitoring data, and a creep resistance evaluation result is generated. According to the technical scheme, multi-field coupling loading and multi-source in-situ monitoring are combined, a closed-loop test is formed through feedback control, and accurate simulation, deep insight and intelligent evaluation of the solid wood creep process can be achieved.
Owner:TONGXIANG YOULI FURNITURE CO LTD

Financial system full-link traffic playback test method and system

The invention discloses a full-link traffic playback test method and system for a financial system, and the method comprises the steps: forwarding network traffic from a production server to a pre-release environment server, and carrying out the preprocessing, and then generating real-time traffic; performing full-link playback on the real-time traffic in the pre-release environment server, generating a playback result, and feeding back the playback result to the test platform to generate monitoring data; and converting the real-time traffic into historical traffic, performing full-link playback, and generating monitoring data. And according to the response state and the monitoring data of the pre-release server, analyzing the defect of version change to generate a daily test report. According to the invention, full-link closed-loop testing is realized, and a full-service system is covered. All-time testing is supported, request sending is flexibly configured, and continuous flow playback during the market opening period is ensured. Through testing flow classification, the flow is forwarded and stored in real time, the environmental difference is solved through preprocessing, and the defect discovery rate is improved. The problems of insufficient full-link regression test means, incomplete scene coverage and low test efficiency in the prior art are solved.
Owner:JIANGSU SECURITIES

Method and device for verifying consistency of power-down continuous test data, equipment and medium

The invention provides a power-down continuous test data consistency verification method and device, equipment and a medium. The method comprises the following steps: issuing a query instruction to obtain disk information of a currently connected SSD (Solid State Disk); according to the disk information, judging whether to issue a continuous test request; if a continuous test request is issued, returning a processing result according to the disk information and the continuous test request through a preset processing rule; selecting a continuous test request corresponding to a successful result as a verification request according to the processing result; and performing consistency verification on the disk information according to the verification request. By systematically executing the steps of disk information acquisition, continuous test request decision, request filtering and screening, final consistency comparison and the like, an automatic closed-loop test process is constructed, and the problem that the consistency of SSD power failure continuous test data cannot be verified by various IO tools at present is solved; and consistency verification can be carried out on the successfully written data before and after power failure.
Owner:成都芯忆联信息技术有限公司

Spatial sound effect testing method and system of sound system

The invention discloses a spatial sound effect test method and system for a sound system. The method comprises the following steps: S1, synchronously acquiring multi-modal sensing data of a test environment in a preset stage; s2, generating a three-dimensional sound pressure distribution thermodynamic diagram, and constructing an initial sound field model based on the three-dimensional sound pressure distribution thermodynamic diagram; s3, generating a corrected sound field model, and synchronously recording vibration data acquired by the triaxial accelerometer; s4, generating a sound image positioning trajectory diagram, and calculating a deviation angle between an actual sound image position and a theoretical position; and S5, determining the sound effect quality score of each test stage. According to the method, a closed-loop test framework of physical environment perception, sound field real-time modeling, man-machine interaction analysis and fault linkage traceability is constructed, a full-process test solution covering a hardware state, acoustic characteristics and human factor perception is provided for an immersive audio system, and the spatial sound effect reliability of digital playing equipment is remarkably improved.
Owner:GUANGDONG WEIERJING ELECTROACOUSTIC EQUIPMENT CO LTD

Dynamic rule adaptive substation SDD file analysis method, device and system

PendingCN120781062APathPingAlgorithm
The invention relates to a dynamic rule adaptive substation SDD file analysis method, device and system. The method comprises the following steps: acquiring a to-be-analyzed substation system description file; analyzing the file to generate a basic data model; extracting static parameters and dynamic operation parameters of the equipment based on the basic data model; matching the extracted equipment parameters with a predefined rule base to generate a logic interconnection rule and a physical connection rule between the equipment; according to the logic interconnection rule and the physical connection rule, constructing a topology network diagram representing the connection state of the equipment of the whole station; and based on the node and side information in the topological network diagram, generating a configuration file for describing the physical loop of the whole station, and storing the configuration file to a specified path. The full-station physical loop configuration file generated by the embodiment can provide accuracy for closed-loop testing, operation and maintenance debugging and digital twinborn application of the intelligent substation, and the intelligent level of substation design and operation management is remarkably improved.
Owner:GUIZHOU POWER GRID CO LTD

Explosion-proof test method for power capacitor

The invention relates to the technical field of capacitors, in particular to an explosion-proof test method for a power capacitor. Injecting a multi-band harmonic current sequence into the composite stress field, capturing three-dimensional strain propagation characteristics of the capacitor shell in real time, and establishing a strain-discharge space-time correlation model according to the three-dimensional strain propagation characteristics; a capacitor shell structure integrity attenuation curve is obtained according to the strain-discharge time-space correlation model, and when the slope of the attenuation curve breaks through a preset critical topological form, a multi-stage linkage protection device is triggered to implement energy discharge; and extracting a plasma spectrum fingerprint formed by the self-healing characteristic of the metallized film in the energy discharge process, and reversely reconstructing an explosion-proof performance grade evaluation system of the capacitor through the offset of a characteristic spectral line. The full-process closed-loop test of the capacitor from stress loading, failure early warning to performance evaluation is realized, and the environment simulation authenticity, the failure early warning accuracy and the performance evaluation scientificity of the explosion-proof test are improved.
Owner:SUZHOU CITY UNIV

Multi-device cooperative closed-loop test method and device based on state machine driving and storage medium

The invention relates to the field of wireless product testing, and provides a multi-device cooperative closed-loop testing method based on state machine driving, and the method comprises the steps: monitoring the data output of a universal asynchronous receiver / transmitter (UART) interface of a tested device in real time; analyzing the data output by the UART interface of the tested equipment to identify the current running state of the tested equipment; dynamically generating at least one control instruction according to a preset state transition rule set and the identified current operation state; distributing the at least one control instruction to corresponding external test equipment to drive the external test equipment to execute corresponding test operation on the tested equipment; and repeatedly executing the steps of monitoring, analyzing, generating the control instruction and distributing, and automatically and continuously propelling the test process based on the response state of the tested equipment until all test items are completed. According to the technical scheme, multi-device closed-loop testing is driven through the state machine, and the testing automation degree and the process continuity are remarkably improved.
Owner:SHENZHEN FENGHEYUAN TECH

Software-in-the-loop simulation test system and method for intelligent driving

The invention discloses a software-in-the-loop simulation test system and method for intelligent driving, and relates to the technical field of automatic driving algorithm testing. According to the scheme, a closed-loop test of an in-the-loop simulation test is realized only through an intelligent driving platform, a scene simulation software end and an initialized vehicle dynamics model group; all the components realize distributed communication through a user datagram protocol without additional hardware, so that complicated external communication configuration is not needed in a closed-loop test for realizing in-loop simulation test, multi-tool collaboration is simplified, and the complexity of a system structure is reduced. And the intelligent driving platform coordinates vehicle dynamics data according to a preset algorithm to carry out path planning and decision control, so that the interaction efficiency of software in a loop simulation test process is improved. And the vehicle dynamics model group is used for sending the RDB data packet to the scene simulation software end through the public user datagram protocol channel, that is, cross-component collaboration is realized through the public user datagram protocol channel, and the synchronism of closed-loop testing is ensured.
Owner:上海北汇信息科技有限公司

Closed-loop test system and method for hardware-in-loop control air suspension

The invention discloses a closed-loop test system for a hardware-in-loop control air suspension. The closed-loop test system comprises an air suspension ECU to be tested; the simulation module is used for correspondingly simulating various vehicle parameters based on various vehicle parameter simulation models; the hardware simulation module is used for providing a hardware simulation signal for the air suspension ECU; the control module is used for controlling the simulation module and the hardware simulation module based on a test case when a test instruction is received, and outputting a target vehicle parameter and a target hardware simulation signal; the air suspension ECU performs closed-loop testing based on the target vehicle parameters and the target hardware simulation signals, so that real-time interaction and closed-loop logic among various modules in the dynamic state of the whole vehicle can be truly simulated, the simulation precision of the working condition of the air suspension is improved, an accurate test result is provided, and the test efficiency is improved. And the problems of high cost, long period, low repeatability and safety risk under limiting working conditions caused by real vehicle testing are avoided.
Owner:BEIJING CAVAN NEW ENERGY AUTOMOTIVE CO LTD

Power system real-time closed-loop test method and system constructed based on cascading failure recording file

The invention provides an electric power system real-time closed-loop test method and system based on cascading failure recording file construction, and belongs to the technical field of electric power system real-time closed-loop test. In order to solve the technical problems of low communication efficiency and low test efficiency in a novel electric power system secondary protection field remote closed-loop test, a control host carries out loading analysis on an original wave recording file in a remote COMTRADE format received through a wireless network to obtain time domain characteristic information of a waveform, and sends the time domain characteristic information to a wireless network; original waveform time domain feature information is stored as a recording file of a time frequency matrix and then sent to a playback device, the playback device performs electrical quantity information data playback based on an original waveform, and on one hand, playback waveform data is recorded by an acquisition channel and used for analyzing whether the data output by playback is consistent with the original recording file or not; on the other hand, transmitting to a protection device for fault simulation test; the method is applied to the real-time closed-loop test of the power system.
Owner:ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER

A testing method and system for mounting actual aircraft equipment on a standard aircraft simulator.

A testing method and system for mounting actual aviation equipment on a standard aircraft simulator, relating to the field of aviation equipment testing technology, is disclosed. In S1, the command and control equipment transmits commands via fiber optic cable, achieving synchronization of three devices with an accuracy of ≤1μs within 100ms using PTP timing. In S2, the aircraft simulator performs a self-test and generates 1-18GHz radio frequency signals, ARINC429 bus signals, and nine power supply control signals. In S3, the equipment hardware-in-the-loop simulation device forwards mission commands, is powered by nine DC power supplies, and collects the self-test results of the actual equipment. In S4, the dual devices feed back the results to the command and control equipment, forming a closed loop, with a test repeatability of ≥6 times / hour. The system includes command and control equipment, an aircraft simulator, equipment hardware-in-the-loop simulation devices, and actual aviation equipment. This invention solves the problems of poor adaptability and difficulty in equipment synchronization in traditional aircraft simulators, enabling comprehensive testing, laying the foundation for target practice, and expanding the application scenarios of aircraft simulators.
Owner:STATE-OWNED LUOYANG DANCHENG RADIO FACTORY

Automatic driving test method and system

The invention discloses an automatic driving test method and system. Belongs to the technical field of automatic driving testing. According to the method, a high-fidelity virtual environment is constructed by collecting real scene data, and a virtual sensor is configured; mapping the real track to a virtual space, and generating a dynamic traffic flow in combination with a car following and lane changing model; after the real vehicle and the virtual intelligent agent are synchronously initialized, the real vehicle runs in the physical field and periodically updates the state; the virtual traffic flow is dynamically evolved according to the state of the main vehicle, and the virtual sensor senses the target in the field of view and generates a virtual sensing result; real sensor data is used as a reference, and virtual and real perception information is fused to form unified input; and circularly executing until the task is completed, wherein each virtual agent only participates in one test. According to the scheme, high-reality and high-efficiency closed-loop testing is achieved, the defects of a traditional method in the aspects of scene richness and testing safety are overcome, and the reliability and repeatability of verification of the automatic driving system are improved.
Owner:CHANGAN UNIV

Aging test device and aging test method thereof

The embodiment of the invention relates to the technical field of equipment testing, and discloses an aging test device and an aging test method thereof. The aging test device is used for testing two inverters of the same model, and comprises a first connection circuit, a battery simulation circuit providing a first output voltage and a switching circuit. And the switching circuit and the first connecting circuit take the output of one inverter as the input of the other inverter to form a first closed-loop test loop or a second closed-loop test loop. According to the testing device, energy can be recycled in a closed-loop system, and electric energy consumption and heat productivity are remarkably reduced. Moreover, the two inverters to be tested can be matched with each other in voltage and frequency, so that the strict requirement on the voltage output range of the battery simulation circuit is reduced.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1

Method and system for testing response characteristics of wind power plant under specific load working condition

The invention belongs to the technical field of new energy power generation grid connection, and discloses a response characteristic test method and system for a wind power plant under a specific load working condition, and the system comprises a signal generation module, a data collection module, a control execution module, an analysis and evaluation module, a local closed-loop test interface and a remote monitoring terminal. The signal generation module is used for generating a frequency step disturbance signal and a continuous step test signal. According to the invention, by establishing a standardized low-load and high-load test condition system and cooperating with the programmable signal generation module, accurate test of frequency response characteristics in a full-load range of the wind power plant is realized; compared with a traditional single working condition test method, the scheme can comprehensively evaluate the frequency modulation performance of the wind turbine generator in different output states, and effectively solves the technical problem of unstable test data under a low-wind-speed working condition; and through reasonably setting the power regulation interval and the frequency dead zone range, the test result is more in line with the actual power grid operation requirement.
Owner:HAINAN HUAYU NEW ENERGY DEV CO LTD

Software testing method and system based on data analysis platform

The invention discloses a software testing method and system based on a data analysis platform, and particularly relates to the technical field of software testing, and the method comprises the following steps: tracking business semantic change by constructing a semantic evolution perception map, and establishing a semantic-driven data label linkage mechanism to maintain the consistency of training samples of a defect recognition model; semantic consistency drifting is monitored, model output is controlled, a map-enhanced test case generation mechanism is introduced to achieve semantic synchronous generation, meanwhile, a semantic regression verification process is set to ensure alignment of a test case and evolution semantics, and a closed-loop test process covering a full path is formed; according to the method, semantic-driven label linkage and model synchronous updating are realized by constructing the semantic evolution perception map, and a map-enhanced test case generation and regression verification process is introduced, so that the test process is ensured to be consistent with the service semantic dynamic state, the defect identification accuracy and the test coverage integrity are improved, and the test efficiency is improved. The method is suitable for software quality guarantee in a continuous delivery environment.
Owner:HANGZHOU SHIWEI TECHNOLOGY CO LTD

Vehicle control unit in-loop test management system and method

The invention provides an in-loop test management system and method for a vehicle control unit, and relates to the technical field of electronic control, and the method comprises the steps: calculating the efficiency changes of a battery and a motor according to set low-temperature environment parameters, carrying out the coupling analysis, and outputting the corrected actual availability performance parameters of the battery and the actual output performance parameters of the motor; the corrected performance parameters are input into a real-time simulation system, the comprehensive effect of battery capacity attenuation, motor torque response and tire rolling resistance under the low-temperature condition is simulated, and a simulation signal of the cooperative working state of the battery and the motor is obtained. According to the invention, a closed-loop test management architecture is formed through bidirectional communication of a data bus.
Owner:XIAMEN JINLONG CAR ACCESSORIES CO LTD

A vehicle machine testing method

This invention discloses a vehicle infotainment system testing method. By having a controller uniformly receive modal simulation parameters, generate precise multimodal interaction commands, and coordinate the synchronous actions of the multimodal interaction simulation device and the audio / video acquisition device, a fully automated closed-loop testing process is constructed. This application fundamentally eliminates the randomness and uncertainty caused by manual operation. Since the test input commands (such as voice content, touch coordinates, and timing) are precisely reproduced by the device according to preset parameters, and the entire execution, acquisition, and judgment process is automatically driven by the controller, it ensures that the test conditions, execution steps, and triggering logic remain consistent at any time and for any number of tests. This application's embodiments make performance test results (such as response latency) objectively comparable, providing a reliable and consistent technical foundation for accurately evaluating vehicle infotainment system performance and identifying performance regression between versions.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Charging pile man-machine interaction interface test method and system, medium and terminal

The invention relates to the technical field of man-machine interaction interface testing, in particular to a charging pile man-machine interaction interface testing method and system, a medium and a terminal. The method comprises the steps of constructing a test script based on a target test page; determining the number of test scripts, and executing the test scripts in sequence; determining that the test operation of the test script is completed, and obtaining a test report; the test operation comprises: based on the test script, controlling a touch simulator to execute a page turning operation to a target test page; based on the target test page, controlling a touch simulator to execute verification operation, and judging whether a test screen obtains an expected result or not through an artificial intelligence unit; if yes, a first test result is obtained, and if not, a second test result is obtained. Visual and operation behaviors of a real user can be simulated, end-to-end closed-loop testing is carried out on the man-machine interaction interface, an internal interface of the man-machine interaction interface does not need to be depended on, and therefore testing efficiency is effectively improved, and cost is reduced.
Owner:SHANDONG ARTAPLAY INTELLIGENT TECH CO LTD

Control software joint simulation hardware-in-loop test system and method

The invention provides a control software joint simulation hardware-in-the-loop test system and method. The system comprises a hardware-in-the-loop test platform, a test project management platform and an automatic test platform. The hardware-in-the-loop test platform comprises an IO interface board card and a real-time simulation machine which are respectively used for connecting a physical controller and operating a controlled object model containing a virtual controller model; the system supports the hybrid deployment of a real object and a virtual controller: the controller of a selected type can be accessed in the form of the real object, and meanwhile, a corresponding virtual model in a real-time simulation machine replaces a non-accessed controller of the same type, so that the controller and the real-time simulation machine interact in real time to form a closed-loop test. According to the method, flexible configuration and reuse of a test environment are realized, a whole-process closed loop from test management, automatic execution to result tracing is completed, the method has software quality quantitative measurement and continuous improvement capabilities, and the test efficiency, coverage depth and quality assurance level of the new energy automobile control software are remarkably improved.
Owner:HUNAN CRRC TIMES ELECTRIC DRIVE TECHNOLOGY CO LTD

Ground large closed-loop test system and method for space exploration load working mode

ActiveCN121384090AMeasurement devicesSkySpace probe
The invention belongs to the field of remote sensing satellite system engineering, and relates to a ground large closed-loop test system and method for a space exploration load working mode. A new space exploration load on-orbit working mode is designed according to the characteristics of an observation target, and the interior of the load is designed into a local sky area mode and a window tracking mode; the whole satellite load observation mode is designed into a natural rendezvous monitoring mode, a fixed-point staring monitoring mode, a scanning imaging mode and a target tracking mode; and aiming at a detection load mode, a dynamic star simulator is adopted to simulate an imaging sky area, and a simulated motion fragment target is added into the dynamic star simulator, so that simulation of a real imaging scene is realized. Meanwhile, in order to ensure that the load can successfully match and verify the local star catalogue and the sky area, a normal window tracking mode is switched to, so that the pointing direction corresponding to the sky area simulated by the dynamic star simulator is consistent with the pointing direction of the control broadcast, the on-orbit real working condition and time sequence can be accurately simulated, and the sufficiency of the ground test is improved.
Owner:AEROSPACE DONGFANGHONG SATELLITE

An intelligent substation monitoring system simulation test device and a test method

The application discloses a kind of intelligent substation monitoring system simulation test device and test method, overcome the test of intelligent substation monitoring system in prior art relies on artificial, low efficiency and extremely error-prone, not conducive to the safe, stable operation of power system Problem, test device includes debugging management machine and the switch connected with debugging management machine, the switch is connected with intelligent substation monitoring system, the simulation test device further includes the first simulation virtual machine and the second simulation virtual machine connected with switch, the first simulation virtual machine is connected between the second simulation virtual machine by optical fiber, the first simulation virtual machine is connected with monitoring system.It realizes the closed-loop test of control signal, monitoring background five-prevention logic, control interlocking, one-key sequence control, remote gateway machine, reduces manual intervention, improves test efficiency, and guarantees the safe, stable operation of power system.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD QUZHOU POWER SUPPLY CO

Remote sensing satellite spread spectrum data transmission broadcast uplink-downlink closed loop test method and system

A closed-loop test method and system for uplink and downlink data transmission broadcasting of remote sensing satellites is proposed, which generates a sequence of instructions for operating onboard equipment; generates the content data required for uplink data; encapsulates the sequence of instructions for operating onboard equipment and the content data required for uplink data into an uplink baseband data block according to the satellite uplink data protocol; processes the uplink baseband data block into radio frequency (RF) signals and sends them to the satellite data transmission broadcasting uplink receiving equipment; the satellite data transmission broadcasting uplink receiving equipment re-parses the RF signals into baseband data, executes the instructions in the baseband data, stores and forwards or directly forwards the required content data, and processes it into RF signals; the satellite data transmission broadcasting downlink transmitting equipment transmits the RF signals to the ground; re-parses the RF signals into baseband data, performs parsing and extraction, and re-extracts the content data; compares the required content data in the uplink data with the content data extracted and parsed from the downlink data to obtain a content correctness test report.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY

Software off-line automatic testing method and device based on local large language model and RAG enhancement

The invention discloses a software off-line automatic testing method and device based on a local large language model and RAG enhancement. The method comprises the steps that test information is obtained, and the test information is used for indicating a software code and / or demand description of target software; generating a matched test case set by utilizing a local large language model (LLM) and combining an RAG technology; the test cases in the test case set are sequentially executed in an isolated test environment, an execution log is generated, the isolated test environment is a test environment constructed based on a container and a hardware simulation technology, and the execution log is obtained after real-time monitoring in the execution process; on the basis of execution log generation, a large language model (LLM) is finely adjusted locally by using a low-rank adaptation LoRA technology, and a local knowledge base and system test strategy configuration are optimized, so that a self-learning closed-loop test system is formed. The technical problem that potential safety hazards exist when software testing is carried out through a cloud scheme in the prior art is solved.
Owner:BEIJING CREDIBLE HUATAI TECHNICAL SERVICE CO LTD +1

A multi-sensor data integrated testing system and method for motorized spindle

The application provides a multi-sensor data motorized spindle comprehensive test system and method, and belongs to the technical field of equipment detection, and comprises a multi-sensor acquisition module, an upper computer data processing module, a driving control module and the like, wherein the multi-sensor acquisition module is used for acquiring real-time data and uploading the real-time data to the upper computer data processing module; the upper computer data processing module is used for constructing a motorized spindle global temperature field to obtain a theoretical thermal elongation, analyzing a vibration frequency spectrum and identifying an inherent frequency, comparing and analyzing an actual thermal elongation with the theoretical thermal elongation, analyzing a coupling influence relationship of a pre-tightening force, a rotating speed and a temperature, and generating a test result according to analysis results; and the driving control module is used for generating a dynamic working condition optimization adjustment instruction based on the test result generated by the upper computer data processing module, responding and adjusting a working condition in real time according to the instruction, continuously collecting working condition data after optimization, and forming a closed-loop test. The application can not only accurately simulate dynamic changes of the pre-tightening force under actual working conditions, but also dynamically adjust a test working condition based on real-time analysis results.
Owner:TAIAN HAINA AXIS RES TECH CO LTD +1

An unmanned aerial vehicle wind resistance performance closed-loop test system and method

The application provides a UAV wind resistance performance closed-loop test system, which comprises a physical environment simulation subsystem, a pose capturing subsystem and an integrated control and GNSS signal simulation subsystem; the physical environment simulation subsystem comprises a wind tunnel system or a multi-fan array wind wall system, which is used for generating a controllable airflow environment; the pose capturing subsystem comprises an infrared optical dynamic capturing system, which is used for capturing six-degree-of-freedom pose data of the UAV under the action of the wind field; and the integrated control and GNSS signal simulation subsystem comprises a GNSS signal simulator, which is used for receiving the six-degree-of-freedom pose data acquired by the pose capturing subsystem, converting a coordinate system of the pose capturing subsystem into a geographic coordinate system, generating a GNSS radio frequency signal and sending the GNSS radio frequency signal to the UAV.
Owner:GUANGDONG AEROSPACE SCI & TECH RES INST (NANSHA)

Control system automatic programming and intelligent testing method and system based on AI design analysis

The invention provides a control system automatic programming and intelligent testing method and system based on AI design analysis, and relates to the technical field of industrial automation and integrated testing. Performing structured analysis on the deepened design form through an AI large model, and extracting engineering feature data; based on the data, utilizing an automatic tool to synchronously generate a PLC control program and an FAT test program which are adaptive to the target hardware; a program is circulated and deployed to physical equipment through a digital platform, a full-process automatic closed-loop test is executed, a data chain of design, programming and test is broken through, a traditional manual programming and manual test case compiling mode is replaced, source consistency of control logic and test logic is ensured, and the test efficiency is improved. And the system delivery efficiency and accuracy are greatly improved.
Owner:BEIJING TIANHONG TONGXIN TECH CO LTD