50 results about "Test complexity" patented technology

The invention relates to an intelligent automobile information physical system multi-scale scene generation method based on domain ontology. The method is characterized by comprising the following steps: S1, carrying out multi-scale division on an intelligent automobile information physical system IVCPS; s2, constructing an IVCPS scene domain ontology based on the ontology and a Steinfu seven-step method; and S3, constructing a signalized intersection IVCPS scene ontology instance by using the constructed scene domain ontology, and designing a corresponding test case. According to the method, the test complexity is reduced, the test efficiency is improved, a unified scene description framework is provided, the logic consistency is ensured, and the intersection performance is improved.

The invention discloses an automatic driving simulation method and device, computer equipment and a storage medium, and relates to the technical field of vehicle simulation. The method comprises the following steps: receiving a simulation instruction; and calling a driving simulation module corresponding to the simulation instruction for simulation through a plurality of preset callback interfaces to obtain simulation result data, the driving simulation module being designed based on the plurality of preset callback interfaces. Namely, a plurality of preset callback interfaces are provided, any driving simulation module can be developed and designed based on the preset callback interface, the problem that software is coupled but interfaces are not matched in an existing simulation system is solved, the convenience and efficiency of algorithm development are improved, and the driving simulation system is suitable for being developed and designed. According to the invention, the plurality of preset callback interfaces are uniformly and synchronously called to carry out driving simulation, so that the problem of mutual calling confusion caused by scheduling logic due to a complex calling process is reduced, the test complexity is reduced, and the simulation effect of the simulation test is guaranteed.

The invention relates to a thermal management system test bench and a test method, and the method comprises the steps: enabling a direct cooling heat management system, a direct cooling battery pack and a heat supply ventilation and air conditioning system to form a linkage test system through the cooperative arrangement of a high and low temperature working condition environment simulation device, an external radiator simulation device, a charge and discharge simulation system and a passenger compartment environment simulation device; core working conditions related to vehicle thermal management can be reproduced in a laboratory scene without depending on a real vehicle, and the limitation that a traditional vehicle test is limited by environmental conditions and high in complexity is broken through. The cooperative performance verification and thermal management calibration work of the direct cooling and heating management system, the direct cooling battery pack and the heat supply ventilation and air conditioning system can be carried out without waiting for the completion of the assembly of a real vehicle, thereby reducing the dependence on the whole vehicle test, reducing the cost investment caused by the high complexity of the whole vehicle test and the difficulty in environmental adaptation, and improving the test efficiency. The test period prolonging caused by the limitation of the real road test environment is avoided, and efficient and controllable test support is provided for the development and verification of the direct cooling and heating management system.

The invention discloses a test system, method and device, electronic equipment, a medium and a product, and relates to the technical field of hardware testing, an input end component and an output end component of a memory are integrated on the test system to test a power manager, and a test scheme does not depend on a complex structure of a mainboard, so that the test complexity is reduced.

The present invention discloses a system and method for testing the waterproof performance of a deformation joint waterproof structure. The system comprises a main structure having a hollow cavity disposed therein, the deformation joint waterproof structure and a water inlet and outlet disposed thereon; a pressure rack unit disposed outside the main structure and configured to apply axial pressure to the main structure; a pressure control unit comprising a pressure pump that injects water into the hollow cavity through the water inlet and outlet; and a processing unit comprising electrodes disposed on the main structure and a data processing device connected to the electrodes. The present invention can test the effect of axial force on the waterproof performance of the main structure, reducing test complexity and improving test accuracy.

The invention discloses a 1553B bus test system, a test method and an aviation maintenance system, and belongs to the technical field of network communication, the test system is in communication connection with a plurality of remote terminals and comprises a bus control end and a user-defined bus function, and the user-defined bus function is obtained through secondary packaging development based on an original bus function; wherein when the BC2RT function is started, the bus control end sends first test data to the remote terminal, and receives feedback information of the remote terminal to verify a data transmission function from the bus control end to the remote terminal; and when the RT2BC function is started, the bus control end sends a receiving instruction, receives second test data transmitted by the remote terminal, and verifies a data transmission function from the remote terminal to the bus control end according to the second test data. The self-defined bus function is developed through secondary packaging, the data interaction test of the bus control end and the remote terminal is realized, the test process and parameter configuration are simplified, and the test complexity is reduced.

The invention discloses a spacecraft-oriented extensible multi-link simulation verification method and system. The method comprises the following steps: generating a configuration file and a test control file according to link metadata, executing a multi-link parallel simulation test, and judging whether a test result meets an expectation or not through data analysis. According to the application, a multi-link test system can be quickly established through a unified standard interface, test resource sharing, interface unification and centralized management are realized, the ground simulation verification convenience and efficiency are remarkably improved, modular extension and multi-user cooperative operation are supported, the test complexity is reduced, and the test period is shortened.

This invention relates to the field of aircraft strength testing technology, and discloses a load reduction device and method for aircraft wing top-mounted strength testing. It utilizes the lever principle to apply a downward load reduction load to the wing to balance the upward top-mounted load borne by the wing top point, thus reducing the overall load on the aircraft to zero and achieving the purpose of load reduction. This invention uses the lever principle to reduce the output load of the hydraulic actuator, achieving small load balancing of extremely large loads. Furthermore, for extremely large single-point loads at a single top point, only a few load reduction load application points need to be applied, reducing the loading channels for the load reduction load and lowering the test complexity. By using the small load of the hydraulic actuator to balance the extremely large load at the top point, the safety and reliability of the test are improved, solving the reliability and safety problems of balancing extremely large single-point loads in wing top-mounted strength testing.

The invention discloses a vehicle-mounted audio performance testing method, system and device and a storage medium, and relates to the technical field of automatic testing, and the method comprises the steps: an upper computer sends a parameter setting instruction to a signal generator, and enables the signal generator to generate and output a radio frequency signal to a to-be-tested model machine; meanwhile, an ADB instruction is sent to the prototype, the prototype is controlled to respond to the radio frequency signal to execute function operation, and an audio signal is generated and output. The upper computer sends a control instruction to the audio analyzer, so that the audio analyzer receives the audio signal and measures the audio signal to obtain a measurement parameter; and the upper computer reads the parameter, executes judgment and control based on a power measurement result, adjusts the volume of the prototype through an ADB instruction until the output power reaches a preset target power, and finally obtains and records a distortion degree value under the target power as a performance measurement parameter. According to the scheme, the signal generator, the to-be-tested prototype and the audio analyzer are integrally controlled through the upper computer, the automatic vehicle-mounted audio performance test process is achieved, the test complexity is effectively reduced, and the measurement efficiency is improved.

The utility model belongs to the technical field of testing, and provides a signal transmission equipment testing system, a signal transmission equipment testing device and electronic equipment.The testing system comprises a signal conversion module, a direct current power supply module, an interference processing module and a switch switching module, and the input end of the signal conversion module is used for being connected with an upper computer; the output end of the signal conversion module is used for being connected with a signal input interface of signal transmission equipment, the direct current power supply module is connected with the signal transmission equipment, the interference processing module is arranged between the signal conversion module and the signal transmission equipment, and the switch switching module is connected with the interference processing module, the signal transmission equipment and the signal conversion module. The stability of the test system is improved by arranging the interference processing module, so that the test system is more reliable, the state of the interference processing module accessing the test system can be controlled by arranging the switch switching module, the application scenarios of the test system are increased, the overall framework is simple, and the test complexity is greatly reduced.

The invention relates to an FPGA (Field Programmable Gate Array)-based ADC (Analog to Digital Converter) verification device and a verification method thereof. The FPGA-based ADC verification device comprises an ADC board card interface module, a clock module, an FPGA module and a power module, the output end of the ADC board card interface module is connected with the FPGA module; the output end of the clock module is connected with the FPGA module; and the output end of the power supply module is connected with the FPGA module. According to the method, the batch full-automatic test of the verification parameters of the ADC sampling board card is realized, and the final channel verification parameter value is calculated and sent to the upper computer, so that the test complexity is simplified, the test efficiency is greatly improved, and the labor cost is reduced.

The invention discloses an RCS (radar cross section) single-double station composite testing device and method based on multi-probe spherical distribution, and belongs to the technical field of radar cross section testing. According to the invention, through a sampling strategy of multi-probe array electronic scanning, the single-station and double-station RCS test efficiency is greatly improved, and the effect is more obvious when the method is applied to the double-station wide-angle-domain RCS test of a coupling scattering target; the scale of a test scene is compressed through a spatial multiplexing mechanism, and a single-station / double-station composite test function is integrated while the compactness of the system is improved; the channel self-calibration method for the multi-probe RCS test is provided for the first time, channel calibration steps are synchronously integrated into the test process, channel amplitude and phase errors are calibrated in real time through measured data, and the test complexity is remarkably simplified. Through an innovative sampling strategy, a flexible architecture design and an efficient test method, a solid technical support is provided for rapid test of the target stealth performance.

The invention discloses a mutual testing method for communication transceiving modules, which comprises the following steps of: setting one communication transceiving module as a tested piece communication transceiving module and setting the other communication transceiving module as a tester communication transceiving module through an upper computer; when mutual testing is executed, the method comprises the following steps: S1, a tester communication transceiver module sends an inquiry signal; s2, the communication transceiving module of the tested piece receives the inquiry signal, processes the inquiry signal and generates and sends a response signal; and S3, the tester communication transceiver module receives the response signal, and tests the response signal to obtain a test result. The electrical performance parameter test of the communication transceiver module is realized, external instruments such as an oscilloscope and a frequency spectrograph are not needed, cable connection is reduced, the test complexity is reduced, and the operation is simple; the system supports rapid deployment, is suitable for multi-environment testing, and is high in testing speed, high in efficiency and convenient to carry.

The embodiment of the application discloses a test data processing system, an algorithm graph generator, a storage chip automatic test device, a link protection code generation method, a test data processing method and a computer program product, and belongs to the technical field of storage chip testing. The system comprises: a configuration register group, used for storing static preset parameters of a current test mode, wherein the static preset parameters at least comprise a storage interface protocol rule used by the current test mode; a burst context extraction circuit, used for detecting a start signal of burst transmission in a dynamic running process of an algorithm graph generator, extracting dynamic burst information and original test data of current burst transmission; and a link protection code generation circuit, used for analyzing the dynamic burst information and the original test data according to the storage interface protocol rule obtained from the configuration register group, and dynamically generating a link protection code of current burst transmission. The application can greatly reduce test complexity and significantly improve test efficiency.

The invention discloses an eMMC instant read-write verification method and device, a readable storage medium and electronic equipment, and the method comprises the steps: obtaining a mark for direct input and output through a Java reflection mechanism, and defining a bottom layer access interface comprising a bottom layer access function set in a Java application layer, the bottom layer access function set comprises an opening function, a reading function, a writing function and a memory alignment distribution function, defining a direct access eMMC operation class in the Java application layer, integrating a bottom layer access interface by using the direct access eMMC operation class, and carrying out instant read-write verification on the eMMC by using the direct access eMMC operation class based on a mark to obtain a verification result, therefore, a tester does not need to carry out C / C + + coding, cache-free and instant read-write verification on the eMMC can be realized in an Android Java application layer, eMMC verification is transferred to an application layer from a development layer, the time for compiling and debugging a bottom driver is saved, the performance of the eMMC is more efficiently tested, and the test complexity is reduced.

The present invention relates to the field of vehicle verification technology and discloses a two-speed gearbox shifting durability test device, comprising a test bench, a two-speed gearbox mounted on the test bench, a shifting system disposed on the input shaft of the two-speed gearbox, and a motor shaft of the test bench providing power to the output shaft of the two-speed gearbox, thereby driving the input shaft of the two-speed gearbox to rotate. The input shaft is provided with a speed detection device and a motor rotational inertia simulation device. The present invention also discloses a test method for the two-speed gearbox shifting durability test device. The two-speed gearbox shifting durability test device and its test method of the present invention simulate the inertia of an electric vehicle motor, reducing test complexity and cost, and avoiding failures that do not conform to actual operating conditions caused by excessive acceleration.

The present application discloses a test point insertion method, device, equipment and storage medium based on circuit cost, relating to the technical field of EDA. Determine the type of insertion points in this round and the set of candidate test points after the previous round of update, select candidate test points from the set of candidate test points and insert them into the circuit for cost simulation; calculate the cost differences of the circuit cost simulation before and after inserting the candidate test points respectively, and select the target test points and corresponding target insertion sites whose cost differences meet the difference threshold; insert the target test points into the netlist data, and update the set of candidate test points according to the remaining number of insertion points. This solution constructs corresponding cost functions for different types of control points and observation points according to their respective circuit characteristics, perfectly fits the characteristics of the circuit, greatly improves the circuit fault coverage rate and the number of observable faults, and optimizes the implementation speed of the algorithm. In the later DFT test stage, it significantly reduces the test complexity and the number of test vectors, improves the efficiency of scan testing and reduces the impact of untestable faults.

The utility model discloses a vehicle-mounted Ethernet interface adapter comprising a shielding housing, a vehicle-mounted Ethernet interface assembly connected with a first end of the shielding housing, and a coaxial interface assembly connected with a second end of the shielding housing. The vehicle-mounted Ethernet interface assembly comprises a first metal shell, a first insulator arranged in the first metal shell and a first connecting terminal inserted in the first insulator; the coaxial interface assembly comprises a second metal shell, a second insulator and a second connecting terminal, the second insulator and the second connecting terminal are arranged in the second metal shell, the first end of the second connecting terminal penetrates through the shielding shell and then is electrically connected with the first connecting terminal, and the second end of the second connecting terminal is inserted into the second insulator. According to the scheme, wire stripping or PCB switching is not needed, the test loss and difference are reduced, the test efficiency is improved, the wire stripping operation complexity is reduced, the test complexity is reduced, the operation is convenient and rapid, the practicability is high, and repeated use can be achieved.

This invention provides a hub device. The hub device includes: a base, a first connecting assembly having a first through hole, a rotating member having a second through hole, and a second connecting assembly; the rotating member is disposed in the first through hole of the first connecting assembly, and the second connecting assembly is disposed in the second through hole of the rotating member; the rotating member is rotatable on the base; the first connecting assembly includes multiple access ports, each access port for connecting a device under test (DUT); the second connecting assembly is used for connecting to an external device; the sidewall of the rotating member has a conductive structure; when the rotating member is rotated until the conductive structure aligns with a target access port among the multiple access ports, the conductive structure connects the target DUT connected to the target access port and the external device. This invention, by operating the rotating member to rotate, can control the connection of an external device to different DUTs, allowing the DUTs to be quickly switched in a short time, thereby reducing testing complexity and improving testing efficiency.

The invention relates to a rock drill impact hour data collection device which comprises a main containing cavity and an auxiliary containing cavity which are kept communicated through a plurality of channels, and the channels can be adjusted in an on-off mode. The input end is configured to extrude the main accommodating cavity and extrude the auxiliary accommodating cavity in the twisting process; the main containing cavity and the auxiliary containing cavity are used for packaging pressed fluid, and the collecting end is at least used for obtaining the pressure of the main containing cavity and the auxiliary containing cavity and obtaining the passing amount of the pressed fluid in the channel. Through the respective pressure bearing effect and the mutual circulation effect of the main containing cavity and the auxiliary containing cavity, the whole equipment can obtain impact force, torque and torsion amplitude input by a drill bit in the process of being matched with a rock drill for testing, compared with the prior art, in the multiple testing processes, the testing equipment does not need to be replaced many times, and the testing efficiency is improved. And the test complexity is reduced, and the equipment cost is reduced at the same time.

This invention relates to the field of engine control systems, and more specifically, to an electromagnetic testing method and system for engine control systems based on an open-loop mode. The method includes the following steps: calibrating the test environment according to the electromagnetic test requirements of the engine control system; setting relevant state parameters for the control system's operating mode, adjusting the drive unit speed to ensure the alternator operates at a specified speed, and setting the excitation device to cause the speed sensor to output a specified signal; monitoring and recording the controller's transmission data; applying test-level electromagnetic excitation to the control system; monitoring changes in key signals during the test, and sequentially completing the test at all test points; stopping the application of the electromagnetic excitation signal, and repeating the above steps according to the control system's operating mode until the electromagnetic test of the control system is completed. This invention improves test safety, reduces test complexity, and increases the efficiency of electromagnetic compatibility design and test verification for engine control systems.

The invention relates to the technical field of equipment structure testing, in particular to a handle rotation parameter and windowing displacement testing device and method.The device comprises a testing table, an inner needle rotary cutting frequency testing assembly and an inner needle parameter testing carrier are arranged on the testing table, and the inner needle parameter testing carrier is used for clamping a to-be-tested handle; the inner needle rotary cutting frequency testing assembly comprises an angle sensor, a first gear and a second gear, a first shaft is arranged in a testing hole of the angle sensor, and the first gear is arranged on the first shaft; during testing, the second gear is installed on an inner needle of the to-be-tested handle, and when the to-be-tested handle is clamped on the inner needle parameter testing carrier, the first gear is engaged with the second gear. According to the invention, rapid connection can be realized, manual calculation is not needed, the test complexity is reduced, and the test precision is improved.

The invention relates to the technical field of high-speed interface verification and system-level prototype verification, in particular to an FPGA prototype verification platform based on an MIPI loop, which comprises an upper computer PC, an FPGA main control chip, a PCIe interface module, a Decoder module, an MIPI sending module, an MIPI physical interface module, an MIPI receiving module and a verification module. The MIPI sending module and the MIPI receiving module are in direct loop connection through a dual-channel FPC flat cable. The verification module is a configurable verification area and is used for deploying a to-be-tested MIPI protocol module on the FPGA to realize function and performance verification of the to-be-tested MIPI protocol module in a closed-loop environment; the verification module can load different circuit modules, and performs on-line verification on data sending, receiving and time sequence logic of the different circuit modules; verification data is sent through the upper computer, enters the FPGA through the high-speed PCIe interface, and enters the MIPI sending module through the decoding module. According to the platform, functional verification and performance evaluation of any module based on the MIPI protocol can be completed under the condition of not depending on external real equipment, and the test complexity and cost are greatly reduced.

The utility model provides an audio power amplifier electromagnetic compatibility test device and a vehicle, and relates to the technical field of testing, a digital signal processing chip is connected with an automobile audio bus chip, and a sound source signal generated by the digital signal processing chip can be sent to the automobile audio bus chip; the automobile audio bus chip converts the sound source signal into an A2B signal and transmits the A2B signal to the audio power amplifier to be tested through the automobile audio bus interface. By introducing the digital signal processing chip, sound source signals can be automatically generated, external sound source input is not needed, the design of the audio power amplifier electromagnetic compatibility test equipment is simplified, and the EMC problems such as signal crosstalk caused by interface exposure are prevented from influencing the EMC test result of the audio power amplifier to be tested. The stability and reliability of equipment are improved, the risk of electromagnetic interference is reduced, and the high standard of EMC is ensured. In addition, equipment required by testing can be reduced, the testing complexity is reduced, and the testing cost is reduced.

The utility model discloses a test circuit and system compatible with an avalanche test and a dipulse test, the circuit is configured to comprise an inductor L, a diode D1 and a change-over switch SW2, one end of the inductor L is used as a first connecting end of the circuit and is used for connecting a power supply VCC, and the other end of the inductor L is used as a second connecting end of the circuit and is used for connecting a tested device; the diode D1 is connected in series with the change-over switch SW2 and then is connected in parallel with the inductor L. The circuit is provided with the change-over switch, the circuit structure is changed through the change-over switch to carry out double-pulse test and avalanche test, a test board does not need to be replaced, and the test complexity is reduced; and the circuit structure can be changed through the change-over switch to realize the double-pulse test and the avalanche test, so that the witness of different parameter tests is achieved, and the test efficiency is improved.

The invention relates to the technical field of aircraft strength tests, and discloses an aircraft wing jacking strength test load shedding device and method, which utilize the lever principle to apply a downward load shedding load to a wing so as to balance an upward jacking load borne by a wing jacking point, so that the load borne by the whole aircraft is zero, and the purpose of load shedding is achieved. According to the invention, the output load of the hydraulic actuator cylinder is reduced by using the lever principle, the balancing of a small load and an ultra-large load is realized, and for an ultra-large single-point load of a single top starting point, the load shedding load only needs to be applied to fewer load shedding load acting points, so that the loading channels of the load shedding load are reduced, the test complexity is reduced, and the test efficiency is improved. The small load of the hydraulic actuator cylinder is used for balancing the ultra-large load of the top starting point, so that the safety and reliability of the test are improved, and the problems of reliability and safety of ultra-large single-point load balancing in the wing jacking strength test are solved.

The embodiment of the invention relates to a simulation test task processing method and device. The method comprises the following steps: receiving a test road / time period / mode; if the mode is the first mode, segmenting the test time period into a plurality of continuous intersection fragmentation time periods and creating an intersection test scene based on real road network data, and if the mode is the second mode, creating the intersection test scene according to the road network data of the maximum pressure time period of each intersection in the test time period; the scene simulator executes a simulation test according to each intersection test scene and outputs a corresponding test recording scene; and forming a corresponding simulation test record by each test recording scene, the corresponding self-vehicle object index and the intersection test scene, and forming a simulation test task report by all the simulation test records and storing the simulation test task report. According to the invention, the test complexity and comprehensiveness of the automatic driving algorithm can be effectively improved.

The invention discloses a timestamp verification method, system and device and a computer readable storage medium, and relates to the technical field of network testing, and the method comprises the steps that when a tested network device returns an actual response message, a test platform immediately and dynamically generates a target expected response message based on a time delay test message, a first timestamp for receiving the time delay test message and a second timestamp for sending the time delay test message, monitored by the test platform, of the tested network equipment are injected into the target expected response message, and then the formats and contents of the target expected response message and the actual response message are automatically compared, so that timestamp verification of the tested network equipment is completed; according to the method, the problem of increase of test complexity and time cost caused by manual comparison is solved, and the beneficial effects of improving the development efficiency and quality of logic codes, ensuring the accuracy of timestamp verification and reducing the workload of on-board debugging in the later period are achieved.