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277results about How to "Implement test" patented technology

Digital twin manufacturing and testing system for key parts of aerospace equipment

The invention discloses a digital twin manufacturing and testing system for key parts of aerospace equipment, which belongs to the field of intelligent manufacturing and comprises an intelligent manufacturing module, a surface detection module, a nondestructive inspection module and a mechanical detection module. The intelligent manufacturing module digitalizes the manufacturing process by means of a digital twinning technology, so that the processing process state and the subsequent detection result can be mapped conveniently; the surface detection module is mainly used for visual detection, two-dimensional or three-dimensional visual information is used, an artificial intelligence algorithm is combined, and surface machining quality detection is achieved; the nondestructive inspection module is used for detecting internal defects of the parts by virtue of internal defect inspection equipment; the mechanical detection module is mainly used for simulating detection of mechanical characteristics and life cycle of parts under dynamic working conditions of stress, temperature and the like. According to the method, digital mapping of the intelligent manufacturing process, the surface characteristics, the internal characteristics and the mechanical properties is realized by constructing a neural network architecture, so that the aim of gradually replacing physical testing with digital testing is fulfilled.
Owner:TIANMUSHAN LABORATORY +1

Testing device and method for controllable commutation converter valve

The invention relates to a testing device and method for a controllable commutation converter valve. The device comprises a current source circuit which is used for providing on-state current for a controllable commutation converter valve under the condition that the controllable commutation converter valve is in an on state; the voltage source circuit is used for providing commutation voltage for the controllable commutation converter valve when the controllable commutation converter valve is in a turn-off state; the active turn-off circuit is used for providing turn-off test current for the controllable commutation converter valve; and the processing module is used for respectively controlling the working states of the current source circuit, the voltage source circuit and the active turn-off circuit, simulating a target test working condition for the controllable commutation converter valve, and collecting electrical parameters of the controllable commutation converter valve under the target test working condition. By adopting the device, a single working condition or a mixed working condition can be simulated for the controllable commutation converter valve, and a mixed operation test can be carried out.
Owner:BEIJING HUAIROU LABORATORY SCIENTIFIC & TECHNOLOGICAL ACHIEVEMENTS TRANSFORMATION CO LTD

Method and device for testing dry and wet wear resistance of textile

The invention discloses a method and a device for testing dry and wet wear resistance of a textile. A method and device for testing dry and wet wear resistance of a textile belong to the technical field of material testing, and the method comprises the following steps: adjusting a test environment to a dry state, and recording initial state data of a textile sample; infiltrating the plurality of groups of textile samples to different degrees, and recording initial infiltrating state data of the textile samples; the stress condition in actual use is simulated; respectively performing reciprocating friction of the same operation on the surfaces of the dry textile sample and the wet textile sample, and recording the friction frequency and the abrasion condition; performing data preprocessing on the initial state data, the initial infiltration state data and the test result to obtain preprocessed data; and establishing a mathematical model according to the preprocessed data to analyze the dry-wet wear resistance. By testing the wear resistance in the dry and wet states, the dry and wet properties of the textile product can be measured in multiple aspects, and the problem of incomplete testing in the prior art is solved.
Owner:JIANGSU TANGSHENG TEXTILE TECH CO LTD

Intelligent computer performance test system based on Shell script

The invention discloses an intelligent computer performance testing system based on a Shell script, belongs to the technical field of computer performance testing, and aims to solve the technical problem of how to improve the automation degree of computer performance testing, avoid man-machine interaction and further improve the testing efficiency and accuracy. According to the technical scheme, a test package program installation module is used for triggering and automatically installing a software test package program; the file generation module is used for generating an HPL.Dat file when the mpich software is installed; the file updating module is used for updating the HPL.Dat file generated in the process of installing the software test package program; the execution module is used for transmitting data; the test preparation module is used for providing test information for testing the performance of the computer and processing the test information; and the test item forming module is used for constructing test items according to the separated test information so as to obtain computer system performance test content and record test item information.
Owner:西安超越申泰信息科技有限公司

Single-electrode silica gel sheet test circuit, device and method for physical therapy

The invention provides a single-electrode silica gel sheet test circuit, device and method for physical therapy. The single-electrode silica gel sheet test circuit comprises a microcontroller, a Darlington tube array chip circuit, a relay array, a signal conditioning circuit and the like. The microcontroller controls the Darlington array to amplify low-power signals, drives the relay array to achieve selection of different test paths, collects and processes test data, and transmits the test data to the computer through a serial port. The relay array alternately switches paths to complete each test item; the signal conditioning circuit is used for adjusting a test signal to meet the AD sampling requirement; the digital control analog switch realizes multiplexing of multiple paths of signals, and a single AD port acquires multiple paths of signals; and the state indicating circuit displays the test result and gives an alarm prompt. The system is specially used for a single electrode plate test scheme, the installation complexity can be remarkably reduced, the stability is improved, and the efficiency is greatly improved.
Owner:河南百昌源医疗科技有限公司

Primary frequency modulation and inertia response online measurement and control system

The invention discloses a primary frequency modulation and inertia response online measurement and control system which comprises a wide area measurement system WAMS, a measurement and control master station, a measurement and control substation, a phasor measurement unit PMU and a primary frequency modulation / inertia response control system. The test substation transmits parameter setting data of the measurement and control main station to the primary frequency modulation / inertia response control system, generates a simulated power grid typical working condition voltage signal according to an instruction of the measurement and control main station, and accesses the simulated power grid typical working condition voltage signal to the primary frequency modulation / inertia response control system; the primary frequency modulation / inertia response control system calculates to obtain a tested frequency signal and a frequency change rate and responds to the tested frequency signal and the frequency change rate; after a phasor measurement unit (PMU) calculates and obtains the active power of a grid-connected point and the amplitude, the phase, the frequency and the frequency change rate of the output voltage of a measurement and control substation, the active power and the amplitude, the phase, the frequency and the frequency change rate of the output voltage of the measurement and control substation are transmitted to a wide area measurement system (WAMS), the wide area measurement system (WAMS) packages and sends the packages to a measurement and control master station, and the measurement and control master station carries out primary frequency modulation and inertia response function and performance evaluation and PMU measurement performance test analysis.
Owner:이너 몽골리아 일렉트릭 파워 그룹 컴퍼니 리미티드 이너 몽골리아 일렉트릭 파워 리서치 인스티튜트 브랜치

Sharing bus type distributed MBIST system

PendingCN119446244ASolve the problem of high power consumptionsave logic resourcesStatic storageElectric digital data processingLogic complexityComputer architecture
The invention relates to a shared bus type distributed MBIST system, and belongs to the technical field of MBIST architecture. According to the shared bus type distributed MBIST architecture, a Memory Interface module in a Tesent MBIST architecture is removed, an MBIST controller is reserved, and a shared bus controller is additionally arranged in the MBIST controller, so that a data path and a control path are built between the MBIST controller and Memory, and the data path and the control path comprise an address bus, a data bus, a read-write enable, a chip selection enable and other control buses which can be reused and are used for accessing the Memory. According to the shared bus type distributed MBIST architecture, a Memory Interface module is not needed, the problems that the chip area and power consumption are large due to the fact that multiple Memory Interfaces need to be adopted at present are solved, logic resources can be reduced to the maximum extent, the logic complexity can be reduced, and testing of Memory in a chip is achieved.
Owner:SPL ELECTRONICS TECH CO LTD

Testing and evaluating device and testing method for dynamic performance of adsorption reaction

The invention provides an adsorption reaction dynamic performance testing and evaluating device and a testing method.The testing and evaluating device comprises a gas supply module, a temperature control module and an adsorber module which are sequentially connected through a pipeline in the gas trend, and the inlet end and the outlet end of the adsorber module are connected with the same detection and analysis module; the outlet end of the detection analysis module is connected with an artificial intelligence control module. Through combined arrangement of all the modules, the adsorption performance of the adsorbent under a dynamic adsorption test can be tested and evaluated, a more accurate experimental basis is provided for design and development of actual industrial adsorbents and other porous media, and the test and evaluation device can also be expanded to research of a catalytic reaction process in a fixed bed reactor and has a wide application prospect. And testing and evaluation of the reaction kinetic model are realized.
Owner:INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES

Method for testing RoCE network card transmission exception handling function

The invention belongs to the technical field of computer networks, and particularly relates to a method for testing a RoCE network card transmission exception handling function. Aiming at the problems that the RoCE network card adopts a protocol unloading mode and realizes RoCE protocol processing in a black box form, so that a RoCE protocol message cannot be acquired, and a transmission exception processing function of the RoCE network card cannot be tested, the RoCE protocol message of the RoCE network card is acquired by adopting a method of interconnecting a SoftRoCE + Ethernet card and the RoCE network card by utilizing the technical characteristic that the RoCE protocol processing is realized in a software form, so that the RoCE protocol message of the RoCE network card can be tested. The transmission exception handling function of the RoCE network card is tested; according to the method, the problem that the protocol processing message cannot be acquired due to the fact that the RoCE network card is a black box is solved.
Owner:NAT UNIV OF DEFENSE TECH

Part torsion testing mechanism

The utility model belongs to the technical field of automobile part torsion testing, and particularly relates to a part torsion testing mechanism which comprises a fixing frame, the fixing frame is in a rectangular frame shape, two parallel rotating rods are arranged on the inner side wall of the fixing frame in a front-back rotating mode, and the left side and the right side of a rod body of each rotating rod are provided with external threads with opposite thread directions. The outer threads on the same left side and the outer threads on the same right side are jointly in threaded connection with a clamping plate. According to the utility model, a to-be-tested bolt is placed between the two clamping plates, the driving rod is driven to rotate through the hand rocker to clamp a screw, then the mounting cylinder is slowly driven to descend through the handle to enable the nut to be inserted into a hole of the clamping groove, and then the torsion testing motor is started to drive the mounting cylinder to rotate, so that the nut is screwed and fixed. When the torsion sensor monitors the torsion of the output shaft of the torsion testing motor, data are digitalized and then displayed on the display screen, so that the torsion of the bolt is known, and the bolts of different models are tested.
Owner:ZELI ELECTRONICS (SUZHOU) CO LTD

Equipment testing method, device and system

The invention provides an equipment testing method, device and system, and relates to the field of testing. And the test equipment communicates with the tested equipment in a first communication mode, and the tested equipment communicates with the CAN transceiver in a second communication mode, so that the test of the edge node is realized. During specific testing, the testing device sends a testing instruction corresponding to the testing type to the tested device, the testing instruction comprises testing data, and in the process that the tested device processes the testing data, a generated response message is obtained, verification operation is executed on the response message, and therefore the device testing result of the tested device is determined. In the invention, the response message comprises data transmitted by the tested equipment and the test equipment, and / or data transmitted by the tested equipment and the CAN transceiver, and whether communication between the tested equipment and the test equipment and communication between the tested equipment and the CAN transceiver are normal is analyzed by checking the response message. Therefore, whether the edge node has the capability of correctly converting the message between the DoIP and the DoCAN can be verified.
Owner:GREAT WALL MOTOR CO LTD

Design exhibition stand bearing test device based on visual communication

The utility model relates to a design exhibition stand bearing test device based on visual communication, which belongs to the technical field of bearing test devices, and comprises a support mechanism arranged on a test bench and used for placing an exhibition stand and a bearing test block arranged above the test bench, the support mechanism comprises a hydraulic telescopic rod, a mounting plate and a support seat; a driving mechanism for driving the bearing test block is arranged outside the test board; the driving mechanism comprises a driving turntable, a connecting rod, a driving motor, a transmission structure and an adjusting structure; wherein the adjusting structure is composed of an adjusting seat, a screw rod and a first sliding block, the top end of the connecting rod is hinged to the first sliding block, and the bottom end of the connecting rod is fixedly provided with a universal ball joint rotationally connected with the interior of the bearing test block. According to the design exhibition stand bearing testing device based on visual communication, testing of plates at different heights and states can be achieved, the testing conditions can be conveniently changed by adjusting the height of the hydraulic telescopic rod, and different testing requirements are met.
Owner:北京爱宾果科技有限公司

Transponder test method, device and equipment and storage medium

The invention discloses a transponder testing method, device and equipment and a storage medium, the device comprises a transmitting antenna and a receiving antenna which are fixed together, the transmitting antenna is used for transmitting a downlink excitation signal to a to-be-tested transponder, and the receiving antenna is used for receiving an uplink signal; the sending module is used for generating a downlink excitation signal; the transponder to be tested is used for generating and sending an uplink signal; the receiving module is used for processing the uplink signal. The method comprises the following steps: S1, moving a to-be-tested transponder to an initial position by using a six-axis robot; s2, sending a downlink excitation signal through a sending module and a sending antenna; s4, collecting and storing uplink signals through a receiving module and a receiving antenna; s6, judging whether uplink signals sent by the to-be-tested transponder at all preset positions are collected or not, and if not, executing the step S8; if yes, ending the test; and S8, performing position iteration on the to-be-tested transponder by using the six-axis robot, and continuing to execute the steps S2-S6 after position iteration.
Owner:BEIJING RAILWAY SIGNAL

Marine equipment controller test and optimization platform and method

The invention belongs to the technical field of marine equipment controller detection, and particularly relates to a marine equipment controller testing and optimizing platform and method. The platform comprises a marine ammonia fuel transmission system model, a modeling and simulation management machine and a real-time simulation machine, wherein the marine ammonia fuel transmission system model is built based on an actual marine ammonia fuel transmission system and performs fitting according to parameters of the marine ammonia fuel transmission system; the modeling and simulation management machine is used for building the marine ammonia fuel transmission system model; the real-time simulation machine is used for operating the marine ammonia fuel transmission system model in real time; the controller performs data interaction with a marine ammonia fuel transmission system model through the Ethernet; and the Ethernet switch is used for realizing data, information and control instruction transmission between the modeling and simulation management machine and the real-time simulation machine. According to the method, the controller is tested and optimized based on the platform. According to the invention, the test and optimization of the marine ammonia fuel transmission system controller can be realized.
Owner:SHANGHAI SHIP & SHIPPING RES INST CO LTD

Power distribution terminal testing device and method

The invention relates to the technical field of power distribution terminal testing, provides a power distribution terminal testing device and method, and realizes comprehensive testing of a power distribution terminal by integrating remote measurement, remote control and remote signaling testing functions. And the standardized aviation plug connection port and the universal test port are used, so that the connection is simple and convenient, and the test error risk caused by improper connection is reduced. Three-remote function detection can be completed under the condition that operation and distribution network automatic circuit breaker complete equipment is not powered off, normal power supply of a power distribution network is not affected, and power supply reliability is not reduced; the device is respectively connected to the circuit breaker and the FTU through the aviation plug wires, a tester only needs to operate on the ground and does not need to work on a tower for a long time, and the device is portable, adopts a passive design and is convenient to work; testers complete testing work on the ground, the distance between the testers and primary equipment is guaranteed, and electric shock is avoided; primary equipment maloperation is prevented, the design of the current aviation socket has a circuit releasing function, and open-circuit operation of the current transformer is completely eradicated; and the misoperation of the primary circuit breaker caused by misoperation is avoided.
Owner:ZHAOTONG POWER SUPPLYING BUREAU OF YUNNAN POWER GRID

Testing device for monitoring separation and locking postures of host satellite and boarding load

The invention discloses a test device for monitoring separation and attitude locking of a host satellite and a boarding load, belongs to the field of mechanical design and test, and aims to overcome the defects of insufficient simulation in a microgravity environment and inaccurate satellite attitude data acquisition in an existing boarding load and host satellite separation test. The air foot supporting system enables the simulation device to be in a free floating state; the simulation device simulates the separation of the host satellite and the boarding load; the monitoring device monitors dynamic parameters in the separation process of the host satellite and the hosting load; the host satellite and the hosting load are connected through a mechanical interface system, and the host satellite and the hosting load which are connected are driven to be locked or separated through locking or separating of the mechanical interface system; the push rod motor is used for adjusting the inclination angle of the mechanical interface system so as to adjust the separation angle of the host satellite and the boarding load. The method is used for simulating separation of the host satellite and the hosting load, and attitude data in the separation process is obtained for subsequent analysis.
Owner:HARBIN INST OF TECH +1

Security test method and device, computer equipment and computer readable storage medium

The invention relates to a security test method and device, computer equipment and a computer readable storage medium. The method comprises the following steps: updating a cipher suite in an encrypted communication library based on a random number to obtain an updated cipher suite; generating greeting data packets according to the updated cipher suite until the cycle index of the updated cipher suite reaches a preset cycle index threshold value, and obtaining each greeting data packet; sending the greeting data packets to a server, and indicating the server to generate verification fingerprints in batches according to the greeting data packets; and determining a test result of the server based on the test request set corresponding to each verification fingerprint. By adopting the method, the accuracy of the safety test method can be improved.
Owner:CHINA TELECOM CLOUD TECH CO LTD

Low-orbit satellite group inter-satellite laser communication networking test system and method

The invention discloses a networking test system and method for laser communication between low-orbit star groups, and belongs to the technical field of satellite communication, the networking test system comprises a satellite attitude simulation device, a light beam far-field characteristic simulation device and a ground side simulation device, and the satellite attitude simulation device is used for simulating the orbit, attitude and vibration change of a satellite platform in a satellite laser link; the light beam far-field characteristic simulation equipment is used for simulating the distribution state and attenuation dynamic change of the laser beams in the inter-satellite laser link of the low-orbit satellite group after long-distance transmission according to the laser signal; and the ground side simulation equipment is used for receiving the orbit, attitude and vibration change data of the satellite platform and the distribution state and attenuation dynamic change data of the laser beams after long-distance transmission, and cooperates with the laser communication terminal to complete the performance test of the inter-satellite laser communication networking of the low-orbit satellite group. According to the invention, a one-to-many low-orbit satellite group inter-satellite laser communication link performance test and a low-orbit satellite group inter-satellite multi-node laser communication networking performance test can be supported.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI

Multi-angle quantitative torsion testing device suitable for tension-shear screw joint

The invention relates to the technical field of screw joint test piece testing, and discloses a multi-angle quantitative torsion testing device suitable for a tension-shear screw joint, which comprises two transverse plates arranged in a frame body, round openings formed in the side walls of the two transverse plates, sleeves mounted in the round openings, opening binding parts arranged at the upper ends of the sleeves, and fixing heads arranged at the opening binding parts, a single-nail lap joint test piece is installed on the fixing head, a torsion mechanism is installed in the sleeve, the torsion mechanism is used for adjusting the angle of the fixing head to install the single-nail lap joint test piece and can provide lateral force to test the strength of the single-nail lap joint test piece after screw joint, and rectangular openings are formed in the two opposite sides of the frame body. According to the multi-angle quantitative torsion testing device suitable for the tension-shear screw joint, performance testing of a tension-shear complex force system can be carried out at a constant torsion angle or torque fixation under different-angle loading of the tension-shear screw joint, and researchers can conveniently carry out performance testing and analysis of quantitative tensile force and quantitative torsion angle.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Chip placement carrier, manufacturing method and chip level testing method

The present invention discloses a chip placement carrier suitable for a wafer-level tester, a manufacturing method and a chip-level testing method. By setting a specific chip placement carrier and utilizing a sorting machine function to place the chip on the chip placement carrier, the tester is finally used to test the chip, thereby realizing chip-level testing of semiconductor chips.
Owner:SUZHOU SUNA PHOTOELECTRIC

Universal riser tube leak hunting tool

The utility model relates to a general riser tube leak hunting tool comprising the following structures: a support assembly comprising a bottom plate provided with an air inlet pedestal, the center of which is provided with a lower core head, and the air inlet pedestal is internally provided with a lower sealing gasket; the downward pressing assembly comprises a top plate which is parallel to the bottom plate, a guide column is connected between the top plate and the bottom plate in the vertical direction, a linear driving piece is arranged on the top plate, the output end of the linear driving piece is connected with a stabilizing plate parallel to the top plate, the stabilizing plate is movably assembled on the guide column through a guide sleeve, and an air outlet top seat is arranged at the bottom of the stabilizing plate; an upper core head coaxial with the lower core head is arranged in the center of the air outlet top seat, an upper sealing gasket is arranged in the air outlet top seat, and an air outlet channel is formed in the upper core head; and the positioning assembly comprises two positioning units which are fixedly arranged on the guide columns between the upper core head and the lower core head respectively. The device is suitable for riser tubes with different outer diameters through the positioning unit, and the to-be-tested piece and the core head connecting line are kept coaxial, so that the perpendicularity of the riser tubes is ensured.
Owner:WUXI XINAN ALUMINUM TECH

An automated flow electrolytic cell for carbon dioxide electroreduction and its application

The present invention discloses an automated flow electrolytic cell for carbon dioxide electroreduction, comprising a testing mechanism, a first moving mechanism, a pushing mechanism, a second moving mechanism and a control system; the testing mechanism comprises an electrolyte flow path system and a gas flow path chamber, the pushing mechanism comprises a supporting splint, a plurality of holes are arranged on the supporting splint, and the holes are used to place gas diffusion electrodes loaded with catalysts; the control system is used to control the movement of the first moving mechanism and the second moving mechanism so that gas diffusion electrodes with different holes are assembled between the electrolyte flow path system and the gas flow path chamber and sealed to form an electrolytic cell, and work in coordination with a preparation system, a detection system, etc., for automatic screening of catalysts for carbon dioxide electroreduction. The present invention solves the problem of manually installing and disassembling the reaction cell and replacing the electrode through the combined application of the pushing mechanism and the testing mechanism, thereby improving the test efficiency and reproducibility.
Owner:XIAMEN UNIV

A semiconductor insulation withstand voltage automatic test device

The present invention discloses an automatic semiconductor insulation withstand voltage test device, which relates to the technical field of semiconductor withstand voltage test. The present invention includes a detection box and a plurality of crystal diodes, and also includes a positioning and placing unit, a conveying and loading unit and a detection unit; the positioning and placing unit is arranged in the detection box, and includes a placing component and a locking component; the conveying and loading unit is arranged in the positioning and placing unit, and includes a loading storage component and a conveying component; the detection unit is arranged on the conveying and loading unit, and includes a detection component and an adjustment component; the control console is arranged on the detection box. The advantage is that the present invention can automatically complete the loading, conveying and insulation withstand voltage test of multiple crystal diodes by using a single set of test components, and the automation and intelligence are higher. The entire test process is carried out in a closed environment, and no operator assistance is required. The test results will not be affected by external environmental factors, and the test safety and test accuracy are higher.
Owner:帝京半导体(天津)有限公司

Aluminum foil easy-tear cover opening force test tool

ActiveCN224744453URapid breaking forceQuick full force test
This utility model relates to a fixture for testing the opening force of aluminum foil easy-tear caps, including a base plate and an inclined panel integrally formed at a 45° angle to the base plate. An aluminum channel slide rail is fixedly mounted on the inclined panel, and symmetrically slidable clamps are arranged on the aluminum channel slide rail. The clamps are fixed by bolts, and the aluminum foil easy-tear cap to be tested is clamped between the symmetrically arranged clamps. This utility model has a simple structure and is easy to operate, enabling rapid testing of the tearing force and full opening force of aluminum foil easy-tear caps. Furthermore, the clamps are movable on the aluminum channel slide rail, allowing testing of aluminum foil easy-tear caps of different diameters.
Owner:CHINA PACKAGING RES & TEST CENT

Testing system and method for simultaneously testing gas vane and air vane

The invention provides a test system for simultaneously testing a gas vane and an air vane, which comprises an independent mounting bracket, a gas vane force measuring device, an engine and a cabin structure, and is characterized in that the gas vane force measuring device is used for being connected with a to-be-tested gas vane, and the outer side wall of the cabin structure is provided with an air vane mounting groove for mounting the to-be-tested air vane; an air rudder mounting groove is formed in the cabin structure, the air rudder mounting groove is formed close to the free end of the cabin structure, a gas rudder mounting seat for mounting a synchronous gas rudder is arranged on the end face of the free end of the cabin structure, and the gas rudder mounting seat and the air rudder mounting groove are correspondingly arranged; and the gas vane force measuring device is located on the periphery of the second test through hole, and a to-be-tested gas vane of the gas vane mounting seat and a to-be-tested gas vane connected with the gas vane force measuring device are uniformly arranged at the port of the free end of the cabin body structure. According to the invention, the to-be-tested air rudder and the to-be-tested gas rudder are measured at the same time, the test efficiency is improved, and the test cost is reduced.
Owner:CASIC DEFENSE TECH RES & TEST CENT

New energy automobile motor test equipment

The embodiment of the invention provides new energy automobile motor test equipment, and relates to the technical field of motor test. New energy automobile motor test equipment comprises a butt joint seat and an oil tank oppositely arranged on one side of the butt joint seat, a rotating hole is formed in the circle center of the butt joint seat in a penetrating mode, the output end of a test motor used for testing is arranged in the rotating hole, and a rotating frame is further fixed to the inner ring wall of the rotating hole. Wherein one end of the second rotating shaft is connected with the output end of the test motor, meanwhile, a first rotating shaft is further arranged in the oil tank, blades with adjustable angles are further arranged on the peripheral face of the first rotating shaft, and in the load test, the blades with the initial angle being zero are driven by the first rotating shaft to rotate in oil. Then, the electric push rod pushes the ejector rod to move the movable sleeve, and the angles of the blades are gradually changed. With the increase of the blade angle, the rotation resistance in the oil liquid is correspondingly increased, so that the rotation speed of the first rotation shaft is changed, and the test of different load conditions is realized.
Owner:CHANGZHOU INST OF MECHATRONIC TECH

DTU test fixture

The utility model discloses a DTU test clamp, and belongs to the technical field of wireless communication equipment detection. The DTU test fixture comprises a base, a plurality of test units are arranged on the base, the test units are uniformly distributed along the length direction of the base, and each test unit comprises an antenna adapter, a fixing groove for fixing a DTU, a probe needle cylinder and a push-pull clamp which are sequentially arranged along the width direction of the base; a sliding block is arranged at the bottom of the probe needle cylinder, sliding guide rails are oppositely arranged on the base, and the sliding block is in sliding connection with the sliding guide rails; a fixing support is arranged at the bottom of the push-pull clamp, and the telescopic end of the push-pull clamp is connected with the side wall of the probe needle cylinder. Stable connection of the DTU equipment and the related test parts can be achieved, and the problem that existing test equipment cannot effectively fix the DTU equipment and the related test parts is solved.
Owner:济南有人物联网技术有限公司

Real vehicle automatic test technical method and application

The invention discloses a real vehicle automatic test technology method and application, and the method comprises the following steps: use case analysis, automatic script configuration, test data configuration, test data configuration, use case association script, test task, test task execution and test report. According to the system, automatic testing of a cloud diagnosis RDS software program is carried out on a real vehicle, main application function testing is carried out, and comprehensive testing of the vehicle RDS software function is achieved by compiling an automatic testing script, configuring a testing environment and carrying out automatic control and data acquisition on the real vehicle, and the system has the advantages of being high in integration and intellectualization. According to the invention, automatic analysis and processing of management of test data and scripts can be realized, convenient test services are provided for testers, the efficiency and accuracy of real vehicle test can be greatly improved, the test cost is reduced, and a powerful guarantee is provided for smooth promotion of cloud diagnosis projects in the automobile industry.
Owner:ABUP TECH CO LTD

Electric cylinder testing device

The utility model discloses an electric cylinder testing device which comprises a machine frame, a conveying line arranged on the machine frame, a jig arranged on the conveying line, a laser marking mechanism, a stroke testing mechanism and a noise testing mechanism, the noise testing mechanism comprises a mute room, and a silencing inlet and a silencing outlet are formed in the two ends of the mute room. The conveying line penetrates through the silencing inlet and the silencing outlet, a load testing mechanism and a voltage-withstanding testing mechanism are further arranged in the silencing room, the voltage-withstanding testing mechanism comprises a voltage-withstanding tester arranged in the silencing room and a dragging line connected with the voltage-withstanding tester, and the dragging line is suspended on the silencing inlet and used for automatically making contact with the electric cylinder. The withstand voltage test mechanism has the advantages that the withstand voltage test mechanism can make contact with the shell of the electric cylinder through the drag line, interference on operation of the electric cylinder is avoided through the flexibility of the drag line, voltage and current signals can be transmitted to the withstand voltage tester through the conductivity of the drag line, withstand voltage test of the electric cylinder is automatically achieved, and the test efficiency is improved. And the testing convenience and the working efficiency are improved.
Owner:JIANGSU WEICHUANG INTELLIGENT MFG AUTOMATION TECH CO LTD

Memory fault diagnosis method and circuit, electronic equipment and readable medium

The embodiment of the invention provides a fault diagnosis method and circuit of a memory, electronic equipment and a readable medium, and relates to the technical field of integrated circuits, in the method, a test circuit sequentially executes data comparison operation on tested units in the memory according to data comparison operation corresponding to a preset test algorithm. After one-time data comparison operation is executed, a fault capturing circuit generates a single-time fault characteristic value corresponding to target comparison operation under the condition that a comparison result represents that the detected unit has a fault; the target comparison operation is a data comparison operation that the comparison result represents that the tested unit has a fault, and the single fault feature value is used for representing identification information of the target comparison operation; and after all data comparison operations corresponding to the preset test algorithm are executed, identifying the fault type of the tested unit based on all the single fault feature values. Therefore, the fault type of the tested unit can be identified based on all the single fault characteristic values, and then the fault type is determined.
Owner:LOONGSON TECH CORP