145 results about "Closed loop testing" patented technology

The invention relates to the technical field of power electronic equipment testing, and discloses a special intelligent testing device and method for a power UPS, and the device comprises a multi-source power supply system which comprises a three-phase program-controlled variable-frequency power supply, a single-phase program-controlled variable-frequency power supply and a DC program-controlled power supply, the output voltage of the three-phase program-controlled variable-frequency power supply is 0-480V and is adjustable, and the output voltage of the single-phase program-controlled variable-frequency power supply is 0-480V; the output voltage of the single-phase programmable variable-frequency power supply is 0-280V and the frequency of the single-phase programmable variable-frequency power supply is 45-64Hz and adjustable; the output voltage of the direct-current programmable power supply is 50-1000V and adjustable; an electronic load system; a signal acquisition system; an embedded control system; and an upper computer software system. A three-phase program-controlled variable-frequency power supply, a single-phase program-controlled variable-frequency power supply and a direct-current program-controlled power supply are integrated to form a multi-source power supply system, a resistive and rectifying dual-mode electronic load is combined, millisecond-level synchronous switching of a voltage level and a load state is realized through an embedded control system, a closed-loop test capability of multi-dimensional performance of the power UPS is formed, and the test efficiency is improved.

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.

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.

The invention belongs to the technical field of vehicle steering control, and relates to a van semitrailer steering synchronization angle closed-loop test calibration system, which comprises the following steps of: firstly, executing a static steering test on a no-load combined vehicle, and constructing a mapping reference table of a saddle space position and an ideal hinge angle; then multi-working-condition dynamic steering testing is carried out on the load combination vehicle, vehicle frame deformation data are collected in real time, the deformation data are converted into a hinge angle compensation value through a pre-trained deformation mechanical model, selective correction is carried out on the actually-measured hinge angle based on a deformation compensation starting threshold value, a calibration target is generated to reversely analyze the target saddle position, and the target saddle position is corrected; the problem that in the prior art, inevitable elastic structure deformation and real mechanical steering asynchronous faults of the van semitrailer under the actual dynamic load working condition cannot be fully considered and distinguished is effectively solved, and then multi-working-condition driving verification data are collected, deformation mechanical model parameters are iteratively updated, and a compensation threshold value generation strategy is generated. And closed-loop optimization is realized.

The invention relates to the technical field of real-time kernel performance testing of special chips, in particular to a special chip real-time performance evaluation method based on an FPGA (Field Programmable Gate Array), which comprises the following steps: (1) aiming at a real-time system on an ASIC (Application Specific Integrated Circuit) chip, setting an external interrupt source and an interrupt service program through a hardware interrupt controller; (2) two tasks with the same priority are created, scheduling of the tasks is achieved through time slice rotation, and a real dynamic load scene is simulated; (3) configuring an external FPGA (Field Programmable Gate Array) to generate a square wave signal to trigger external interruption of the ASIC chip, receiving a feedback signal, and connecting the FPGA and the GPIO through an external physical connecting line to form a hardware interruption triggering-response closed loop; and (4) realizing nanosecond timestamp capture through a counter built in the FPGA, acquiring time delay data, calculating interrupt response time, and transmitting the time delay data to a PC (Personal Computer) through a UART (Universal Asynchronous Receiver / Transmitter) to calculate a maximum value, a minimum value, an average value and a data jitter range of test data. The method can effectively solve the problem that the traditional internal closed-loop test cannot reflect the real interruption randomness and the dynamic load.

The embodiment of the invention provides an automatic test system for an integrated circuit board, and the system comprises a signal collection module which collects the multi-channel synchronous signal data of the integrated circuit board in real time, and extracts the time sequence characteristics of the signal transmission of each channel; the analysis module is used for constructing a time sequence deviation distribution model according to a preset time sequence constraint condition and analyzing delay inconsistency among multiple channels; the adjusting module is used for dynamically adjusting a phase compensation parameter of the synchronizing signal of each channel based on the time sequence deviation analysis result; and the test module is used for executing a closed-loop test according to the compensated synchronizing signal and verifying whether the data transmission time sequence of each channel accords with a preset synchronizing threshold value or not. Through the scheme of the embodiment of the invention, the synchronization signal can be regulated and controlled according to the time sequence deviation analysis so as to solve the problem of inconsistent delay in multi-channel data transmission.

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.

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.

The invention relates to the technical field of power system automation, in particular to a gateway machine double-confirmation closed-loop test system and method, and the system comprises an intelligent equipment simulation module which is used for simulating secondary equipment in an intelligent substation, achieving the transmission of remote signaling and telemetering data, and responding to remote control and remote regulation commands; the multi-source database interface module is used for being connected with a database of the tested gateway machine and querying, analyzing and monitoring data of the database; the master station protocol simulation module is used for simulating a master station protocol and communicating with the tested gateway machine; the intelligent analysis module compares and analyzes signal data from different modules through double-layer verification to ensure the consistency and accuracy of the data; the intelligent equipment simulation module, the multi-source database interface module and the master station protocol simulation module are respectively connected with the tested gateway machine and the intelligent analysis module. According to the method, the whole-process data reliability and the system function integrity are ensured.

The invention discloses a converter valve multistage thyristor level closed-loop test device which comprises a CPU control module, a photoelectric conversion module, an analog quantity acquisition module, a switching value module, an output control unit, an impedance test unit, an overvoltage and overcurrent protection module, a safety protection module, a man-machine interaction unit module and a power supply module. The CPU control module is respectively connected with the photoelectric conversion module, the analog quantity acquisition module, the switching value module, the output control unit, the impedance test unit, the overvoltage and overcurrent protection module, the safety protection module and the man-machine interaction unit module; the power supply module is connected with the CPU control module, the safety protection module, the photoelectric conversion module, the analog quantity acquisition module, the overvoltage and overcurrent protection module, the switching value module, the output control unit, the impedance test unit and the man-machine interaction unit module. According to the invention, the automation degree and the field adaptability of the test are improved, and the field maintenance efficiency and the visual analysis capability of the operation state of the thyristor are improved.

The invention belongs to the technical field of satellite navigation, and particularly relates to a Beidou terminal performance closed-loop test system and method, and the system comprises a multi-system GNSS navigation signal simulation source which is used for simulating a test signal and evaluating the core performance of a navigation terminal in real time; the Beidou RDSS and short message test system is used for simulating RDSS outbound signals and completing capturing, tracking, analysis and parameter measurement of RDSS inbound signals; the satellite navigation signal forwarding system is used for receiving satellite signals and completing work such as machine testing, system debugging, time service and positioning; the portable data acquisition and playback system is used for acquiring four signals, namely, a BDS signal, a GPS signal, a GLONASS signal and a Galileo signal; and the microwave anechoic chamber is used for providing a wireless shielding test environment, supporting the rotary table to spin and simulating the running state of the missile-borne receiver. According to the invention, the comprehensive testing of the basic function performance of various navigation products, such as passive positioning, active positioning, position report and short message, can be realized, and the method has a good market application prospect.

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.

The invention discloses an unmanned aerial vehicle steering effect analysis method based on wind disturbance, and belongs to the technical field of unmanned aerial vehicle overall design and flight control. Comprising the following steps: 1, constructing a coupling simulation model; step 1.1, constructing a six-degree-of-freedom rigid body dynamic model; step 1.2, integrating control laws; step 2, dynamically injecting a wind disturbance scene; step 3, dynamically evaluating the steering effect and extracting parameters; step 4, carrying out multidisciplinary collaborative optimization; and 5, carrying out closed-loop iteration verification. Dynamic closed-loop test: breaking through traditional static analysis, realizing real-time interactive simulation of wind disturbance-control-steering effect, and accurately capturing nonlinear transient response; multi-source disturbance fusion: discrete gust and continuous turbulence are compositely injected, so that challenges of complex meteorological conditions on steerage are reflected more truly; and cross-domain parameter linkage: through dynamic iteration of pneumatic, control and structural parameters, system performance loss caused by excessive design of a single specialty is avoided.

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.

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.

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.

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.

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.

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.

The invention discloses a battery management system test platform comprising a hardware interface module used for connecting a BMS controller to be tested, receiving a differential message signal sent by the BMS controller, and sending the differential message signal to a waveform processing module; the waveform processing module is used for receiving the differential message signal, converting the differential message signal into an SPI (Serial Peripheral Interface) message signal and transmitting the SPI message signal to the FPGA model logic module; the FPGA model logic module is used for extracting the battery cell data in the SPI message signal and transmitting the battery cell data to the real-time processing controller; and the real-time processing controller is used for calling the battery model simulation unit according to the battery cell data and receiving a calling feedback result of the battery model simulation unit so as to complete a closed-loop test of the BMS controller. The platform supports large-scale battery cluster simulation, multi-type fault injection and high-precision dynamic parameter adjustment, and improves the BMS test efficiency and coverage rate.

The invention discloses an automatic test system and method for the anti-interference capability of an IIC bus, and the method comprises the steps: simulating the behavior of a main control end through a programmable MCU, and dynamically reconstructing a composite interference scene including Start / Stop condition abnormality, address bit redundancy / loss, data bit sequence distortion and the like; and meanwhile, a hardware feedback loop is combined to monitor the response of the slave equipment in real time, so that the full-closed-loop test of interference injection-protocol analysis-error detection is realized. Compared with a traditional scheme, the system can accurately reproduce typical interference models such as bus competition, time sequence jitter and level drift, batch execution and quantitative evaluation of multi-dimensional test cases are achieved through an automatic script engine, and the test efficiency and the result credibility are remarkably improved.

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.

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.

The invention provides an automatic testing method and system for a stepping servo driver and a medium. The method comprises the steps of automatically generating a unique number and binding a record, sending a data packet, detecting external network communication, collecting first fault information, collecting bus data, detecting a board card state, collecting second fault information, docking driver module ports, and respectively performing automatic polling detection and internal communication detection. Collecting third and fourth fault information; reading preset synchronous register data; carrying out synchronous state detection and collecting fifth fault information; reading back motor data to carry out performance detection on a motor and collecting sixth fault information; therefore, through a full-process automatic dynamic analysis technology, IO self-closed-loop testing and centralized data management, data transmission and cooperative work are realized, the testing efficiency and accuracy of the servo driver are improved, and automatic testing is realized.

The invention provides a data closed-loop workflow processing method and electronic equipment, and relates to the technical field of data processing.The method comprises the steps that if a data closed-loop test task meets a preset test triggering condition, a preset workflow template for the data closed-loop test task is obtained, a to-be-analyzed data source of the data closed-loop test task is split, and a to-be-analyzed workflow template is obtained; obtaining a plurality of subtasks; according to a preset workflow template and the multiple subtasks, workflow parameters of the multiple subtasks are generated, the preset workflow template comprises work nodes of at least two jobs, the work nodes of the at least two jobs are execution nodes with the execution sequence meeting the preset data flow sequence, and according to the workflow parameters of the multiple subtasks, the work nodes of the at least two jobs are execution nodes with the execution sequence meeting the preset data flow sequence. And an application program interface API of the preset workflow execution engine is called, and the preset workflow execution engine is adopted to execute the plurality of subtasks in parallel according to the workflow parameters of the plurality of subtasks, so that the efficiency of data closed-loop workflow processing is improved.

The present invention discloses a method, system and related devices for constructing a multi-level power grid AGC joint closed-loop test scenario, belonging to the field of power grid simulation technology. The method includes: constructing an RTU simulation service model for each power grid according to the level and characteristics of the interconnected multi-level power grid under test; simulating the operating characteristics of the real power grid according to the calculation results to obtain the power grid simulation service model; constructing a plant simulation sample including the model, data, point table and channel of the multi-level power grid, classifying the data of the entire network through the multi-level power grid model data conversion engine, and building a plant simulation service model; building a test verification platform and a test system, combining the RTU simulation service model, the multi-level power grid simulation service model and the plant simulation service model as needed, and constructing a multi-level power grid AGC joint closed-loop test scenario; and realizing multi-level power grid AGC joint closed-loop test. The method is used to solve the problem of concurrency of massive AGC control instructions in multi-level power grids and the problem of building and data interaction between multi-level power grid AGC and simulation power grid models.

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.

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.

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.

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.