51 results about "Static testing" patented technology

The invention discloses a full-automatic fluid stirring device performance test system and a method thereof, and relates to the technical field of electrical digital data processing, on one hand, by calculating a flow state deviation degree Lpld and combining an amplification prediction model to output an amplification reliability coefficient Fkxs, the dynamic similarity between laboratory test and industrial working conditions is ensured, and amplification distortion is effectively solved; on the other hand, the dynamic change of fluid attributes is simulated, the energy efficiency attenuation rate Nxsl, the mixed dead zone expansion rate Hqkz and other process indexes are quantified, the dynamic matching coefficient Ddps is calculated on the basis, and the limitation of static testing is overcome; finally, according to the method, Fkxs, Ddps and other multi-dimensional dynamic indexes are subjected to weighted fusion, a comprehensive performance prediction index Zhyc is generated through nonlinear mapping, accurate prediction of the real performance of the stirring device in the whole period is achieved, and the accuracy and reliability of equipment type selection are remarkably improved.

The invention provides an ultra-thin wing anti-bending performance quantitative evaluation method which comprises the following steps: acquiring geometric parameters and material characteristic data of an ultra-thin wing, constructing a digital twin model by adopting a finite element analysis method, and simulating stress distribution under boundary conditions to obtain initial mechanical response characteristics; the obtained risk assessment matrix is adopted to calibrate the limitation of a static test, and boundary condition constraints are fused to obtain a calibrated anti-bending energy index set; constructing an evaluation framework of a quantitative system through the calibrated anti-bending energy index set, classifying performance levels in different load scenes by adopting a support vector machine algorithm, and determining an overall structure reliability score; and iteratively updating the parameter setting of the digital twin model according to the obtained anti-bending performance improvement scheme, simulating the optimized flight performance, and obtaining the final quantitative evaluation system output.

This invention discloses a hardware-in-the-loop automated testing method and system for inverters in smart grids, relating to the field of inverter-specific performance testing technology. The method includes: constructing a grid degradation evolution topology by calling a grid anomaly scenario library; extracting multiple evolution paths and injecting them into a grid simulator; driving inverter testing and collecting response timing records; outputting multi-dimensional defect scores through multi-dimensional defect quantification analysis; constructing a multi-modal quality heatmap; extracting indicator attributes and comparing them against preset safety thresholds; and generating a quality defect vector. This invention solves the technical problems of traditional inverter testing, such as single-scenario testing, static testing not reflecting reality, and one-sided defect evaluation. It achieves accurate quantification of multi-dimensional defects, making inverter test results more comprehensive and reliable, and meeting the technical requirements of smart grids for equipment quality assessment and control.

The application provides a foot pad selection method and an air conditioner. The foot pad selection method comprises the following steps: selecting a foot pad meeting a static test deformation condition; obtaining a dynamic actual deformation amount of the foot pad in a transportation or running test process; judging whether a maximum value of the dynamic actual deformation amount is located in a dynamic preset deformation amount interval; if not, the foot pad is reselected; if yes, and the dynamic preset deformation condition is met, the current foot pad meets the requirement, and the test is ended. The method does not need to know the parameter change of other objects, does not need to indirectly judge through the destructive parameters of other objects, the test parameter is single, the test method is direct, the test result is accurate, and the operation is simple and easy to implement.

A system, method, and computer program product for virtually machine testing an electric machine (8). A test signature comprising parameter values measured during one or more static tests of the electric machine (8) is compared to a reference signature generated by performing a similar series of static tests on a reference machine (42). The reference machine is then validated by subjecting it to full load dynamic tests. The test signature and the reference signature can comprise a plurality of parameters each characterizing a physical property of the respective machine (8, 42) in one or more physical domains. The parameters are selected by comparing the test signature to the reference signature such that the electric machine (8) can be qualified for field operation, thereby avoiding the need for full load dynamic tests of the electric machine (8).

The invention discloses an assembly type pile structure quasi-static test system and device. The assembly type pile structure quasi-static test system comprises a model box arranged on one side of a reaction wall. The pile structure model inserted into the inner side of the model box comprises a model main body, a model seat, a left insertion column and a right insertion column which are of an integrated structure, and the left insertion column and the right insertion column are both inserted into soil on the inner side of the model box; according to the fabricated pile structure quasi-static test system and device, by designing a rotary quick connection structure between the vertical force loading cross beams of the model, the stability of the vertical force loading cross beams above is effectively improved, displacement and falling of the cross beams in the test process are avoided, stable proceeding of the test is guaranteed, and the test efficiency is improved. Meanwhile, the subsequent rapid disassembly and assembly of the vertical force loading cross beam are facilitated, and the test convenience is improved; and an auxiliary limiting structure is designed between the rubber support and the model, so that the stability of the rubber support in a test is ensured, and a reliable basic supporting condition is provided for the test.

This utility model provides a static testing machine for airfoils, belonging to the technical field of static testing equipment. It solves the problem of inconvenient operation of existing static testing equipment. The airfoil static testing machine includes a base, a foundation, mounting components, a display, a suspension mechanism, a steel wire rope, a hand-operated hoist, a pull rope, a force gauge, a support, and a scale. In this utility model, when the pull rope is pulled, it moves the steel wire rope, thereby moving the force gauge and suspension mechanism downwards. During this process, the airfoil is subjected to the traction force of the steel wire rope, causing it to bend. Simultaneously, the force gauge continuously monitors the traction force of the steel wire rope on the suspension mechanism and feeds this force back to the display. When the force applied to the pull rope reaches a predetermined value, the airfoil bends to a certain extent and then stops bending. Thus, the magnitude of the traction force can be changed at any time according to testing needs without changing the load, making operation convenient.

The present application discloses a static test method and system, medium, and device for an aircraft integrated drive generator. The method includes: immersing the aircraft integrated drive generator in a cleaning agent container filled with a cleaning agent, and then collecting in real time the image of the cleaning agent liquid level in the cleaning agent container to identify whether there are bubbles in the image of the cleaning agent liquid level. When there are no bubbles in the image of the cleaning agent liquid level, the static test result of the aircraft integrated drive generator is qualified; when there are bubbles in the image of the cleaning agent liquid level, combining the time interval between the generation of bubbles and the initial position points where the bubbles are generated to obtain the static test result of the aircraft integrated drive generator. Among them, the static test result includes qualified and unqualified. When the static test result is unqualified, the static test result also includes the parts of the unqualified aircraft integrated drive generator. It can achieve efficient and accurate detection of the sealing performance in the static test of the integrated drive generator, providing a reliable basis for the quality assurance of the equipment.

This invention discloses a prefabricated adjustable static testing device, relating to the technical field of static testing devices for building engineering. It includes an adjustment mechanism on which a load sensor and a hydraulic jack are sequentially mounted. One end of the load sensor is fixedly connected to the adjustment mechanism, and the other end is fixedly connected to the hydraulic jack. The adjustment mechanism drives the load sensor and hydraulic jack to adjust in three directions: length, width, and height. Limiting mechanisms are provided around the hydraulic jack and are fixedly connected to the adjustment mechanism. This invention enables adjustment of the load sensor and hydraulic jack in three directions (length, width, and height) without requiring separation of the load sensor and hydraulic jack, simplifying operation, reducing workload, and improving the efficiency of static testing. The limiting mechanisms increase the rigidity and overall stability of the testing device, improving the accuracy of static testing.

This invention belongs to the field of structural static testing technology, and discloses a method, equipment, medium, and terminal for controlling static deformation measurement errors. Under a given load mode, the static deformation of a structure is approximately expressed as a linear combination of a few contributing modes. The influence of structural parameter changes on static deformation is reflected in the changes in the contributing mode combination coefficients. The problem of monitoring structural static deformation is transformed into the problem of measuring the contributing mode combination coefficients. The measurement error of the contributing mode combination coefficients becomes the decisive factor in the static deformation measurement error. Based on the characteristic that the larger the contributing mode combination coefficient, the smaller the upper bound of the estimation error tends to be, the optimal test load corresponding to each contributing mode of the load to be measured is found sequentially. Then, the static test is carried out on the structure using the optimal test load. Finally, the static deformation of the load to be measured is calculated by indirect measurement, thereby realizing the control of the measurement error of the static deformation of the load to be measured.

The application discloses a kind of test operation management systems suitable for automobile temperature sensor, belong to automobile temperature sensor test evaluation technical field, the application is by static test module, dynamic test module respectively to temperature sensor by static to dynamic many aspects are tested, rely on static test obtains temperature sensor in stable condition under temperature difference float value, voltage difference float value, and comprehensive analysis will test object be divided into qualified object and object to be detected, that is, before carrying out dynamic test, screening is carried out, then rely on dynamic test obtains temperature sensor in unstable condition under normal thermal response coefficient, normal linear coefficient, and dynamic performance coefficient is generated from the two, whether the performance detection of qualified object meets the requirement according to dynamic performance coefficient is judged and analyzed, in addition, in the process of testing, abnormal test results are checked and analyzed by static investigation module, dynamic analysis module, effectively improve test accuracy.

The application relates to a metro current collector contact force test experiment system and a test method, which comprises a bottom plate, a positioning device for mounting a current collector is arranged on the bottom plate, and a test mechanism is arranged on the bottom plate; the positioning device comprises a positioning frame, a clamping groove is arranged on the positioning frame, and the clamping groove is used for clamping the current collector; a guide rail is fixedly connected to the base, the positioning frame is slidably connected to the guide rail, and a driving assembly is arranged on the guide rail; the test mechanism comprises a test frame arranged on the bottom plate, the length direction of the test frame is arranged along the length direction of the guide rail, an abutting table is arranged on the test frame, the abutting table is used for simulating abutting cooperation between a third rail and a current collecting shoe, a pressure sensor is arranged on the abutting table, and the pressure sensor is used for detecting contact pressure of the current collecting shoe and the abutting table. The application has the effect that contact pressure data under different operation conditions can be tested, and compared with a traditional static test method, the application can better reflect the actual force condition of the current collector in actual operation.

The invention relates to the technical field of power semiconductor wafer testing, and discloses a power device wafer level dynamic and static parameter testing system and method, and the system comprises dynamic testing equipment which is electrically connected with a switching device, static testing equipment which is electrically connected with the switching device, a testing seat which is electrically connected with the switching device, and a wafer fixing disc. The wafer fixing disc is electrically connected with the static testing equipment and the lower metal plate through a static change-over switch and is electrically connected with the dynamic testing equipment, the fixing ring is used for moving in the direction close to the lower metal plate, the wafer fixing disc and the lower metal plate are conducted when the fixing ring moves to a set position, and the motion control device is in transmission connection with the fixing ring and is used for controlling the wafer fixing disc to move in the direction close to the lower metal plate. The control equipment is electrically connected with the switching device, the motion control device and the static change-over switch, two tests can be completed without replacing a test system, the two tests can be completed through one-time needle pressing, and damage to wafers is reduced.

The utility model discloses a universal static test tool, and belongs to the technical field of power device test. The testing tool comprises a testing tool body, a bottom plate assembly and a testing assembly are arranged on the testing tool body, the testing assembly is connected with the bottom plate assembly, the testing assembly comprises a testing plate fixing part and a testing plate wiring part, a clamping groove structure and a PCB testing plate connected with the clamping groove structure in a matched mode are arranged on the testing plate fixing part, and a switch assembly is connected to the bottom plate assembly. The switch assembly is connected with the conductive contact piece of the PCB test board. According to the utility model, the structure is simple, the operation is simple and convenient, the test board fixing part of the test tool is provided with the clamping groove structure for fixing the PCB test board, and then the conductive contact piece reserved on the PCB test board is connected with the switch assembly of the test tool, thereby greatly reducing the complexity and difficulty when a new product is tested, and improving the test efficiency. Through mutual cooperation of the base plate assembly and the testing assembly, testing of products of different sizes is achieved, the structural universality is improved, resource waste is reduced, and the cost is reduced.

The application provides a multi-domain unmanned system interoperability evaluation environment construction and application method, which combines the characteristics of multi-domain unmanned systems, constructs an evaluation environment around the interoperability test evaluation requirements, and accesses test resources in the form of installation (L), simulation (V) and simulation (C), as well as multi-domain unmanned system test resources. During the interoperability evaluation test, static compliance testing and dynamic simulation testing are included. The static testing can collect multi-domain unmanned system interoperability evaluation index data through manual and automatic collection. The dynamic simulation test supports information and instruction transmission testing between unmanned system test resources for typical application scenarios. Finally, the test data is evaluated from four dimensions of procedures (P), applications (A), infrastructure (I) and data (D), and the multi-domain unmanned system interoperability level is obtained, which provides guidance for unmanned system interoperability level evaluation and capability improvement.

This application relates to a multi-directional swing test bench for hydraulic motors, belonging to the field of hydraulic motor inspection and testing technology. It includes a base with two sets of rectangularly distributed columns mounted on the upper side of the base. All columns share a common top plate. The test bench includes a swing mechanism, a clamping mechanism, and a deflection mechanism. The clamping and deflection mechanisms work together to change the motor's mounting position, avoiding the tediousness of manual adjustment and improving testing efficiency. Through the combined use of the swing and clamping mechanisms, the motor is subjected to multi-directional swinging, allowing observation of the motor's speed stability under swinging conditions. This effectively compensates for the shortcomings of static testing and significantly enhances the predictive ability of the test results for practical applications.

The invention belongs to the field of electrostatic protection design, and particularly relates to an electrostatic testing device for the shaking and vibration process of an oil tank and a using method. The device is characterized in that a mounting edge is arranged on the composite integral oil tank, and a measuring opening is formed in the composite integral oil tank; the electrostatic measurement covering cap comprises an oil tank covering cap, a connecting flange, an insulating partition plate, a probe electrode and a sensor electrode which are connected in sequence; the oil tank covering cap is connected with the composite integral oil tank wall plate at the measurement opening; the oil level potential tester is connected with the sensor electrode through a lead; the test fixture is connected with the mounting edge of the composite integral oil tank; a bakelite plate is arranged on the shaking and vibration test bench, and the test clamp, the bakelite plate and the shaking and vibration test bench are connected through a bolt provided with an insulating sheath. According to the static testing device for the shaking and vibration process of the oil tank, oil level potential measurement in the shaking and vibration process of the oil tank can be achieved, and the insulation requirement and the strength requirement are met.

The invention provides an oiling machine metering precision testing device, and relates to the technical field of volume measurement, the oiling machine metering precision testing device comprises a first testing tank body, a second testing tank body, a connecting channel, an output pipeline and an oiling machine pipeline, one side of the bottom of the first testing tank body is provided with the connecting channel, and the other end of the connecting channel is provided with the second testing tank body; according to the invention, in the testing process, air in the first testing tank body can be blown out upwards from the top end of the static testing assembly, the stable state of discharged air flow can be obtained, and the stability of the static testing assembly is improved. Therefore, in the volume metering process, the flow velocity stability of the oil injected into the oiling machine pipeline is indirectly and synchronously measured and obtained, the test is more comprehensive, stable reading can be always achieved in the test process, and continuous test processing on the volume in the long-time flowing oiling process is also achieved in cooperation with a pressure sensor.

Virtual machine testing of an electric machine using physical domain performance signature. Systems, methods, and computer program products for virtual machine testing of an electric machine (8). A test signature comprising parameter values measured during one or more static tests of the electric machine (8) is compared to a reference signature generated by performing a similar series of static tests on a reference machine (42). The reference machine is then validated by subjecting it to full load dynamic testing. The test signature and the reference signature can comprise a plurality of parameters each characterizing a physical property of the respective machine (8, 42) in one or more physical domains. The parameters are selected by comparing the test signature to the reference signature such that the electric machine (8) can be made fit for field operation, thereby avoiding the need for full load dynamic testing of the electric machine (8).

The invention relates to a direct-connection static test method, system and equipment for vehicle-mounted equipment and a medium. The method comprises the following steps: S1, directly connecting general-purpose computing equipment on which a static test software module runs to a communication port of the vehicle-mounted equipment on a locomotive; s2, selecting a test mode on the static test software module and configuring communication parameters; s3, directly performing application layer protocol interaction between the static test software module and the vehicle-mounted equipment, simulating physical signal excitation by sending a data message, and executing test logic; and S4, analyzing the data executed in the step S3 by the static test software module, and displaying a test result. Compared with the prior art, an expensive and heavy special intermediate test board card is omitted through a software definition test mode, and the static test of the vehicle-mounted equipment, which is lower in cost, higher in portability and more simplified in operation, is realized by utilizing general hardware.

The utility model relates to the technical field of experimental devices, and discloses a mechanical seal static test air tightness experimental device which comprises a workbench, a cavity assembly is arranged on the workbench and comprises an airtight cylinder bottom plate, a mandrel is arranged on the airtight cylinder bottom plate, a variable-diameter shaft sleeve is arranged at the top of the mandrel, and the variable-diameter shaft sleeve is connected with the airtight cylinder bottom plate. A cylinder body is arranged at the top of the airtight cylinder bottom plate, a positioning disc and a variable-diameter disc are arranged at the top of the cylinder body, and a plum nut is arranged at the top of the variable-diameter shaft sleeve; according to the utility model, the high-precision sensor is utilized, tiny pressure drop can be detected, errors caused by human subjective judgment are avoided, the reliability of a detection result is improved, the control unit is matched, the functions of data automatic detection, one-key start and automatic stop are realized, the whole process of manual detection is replaced, not only is the detection efficiency improved, but also the detection cost is reduced. And the labor cost is reduced, and the influence of human factors on the detection result is reduced.

The application relates to a binary file symbol table-based application software compatibility detection method and belongs to the technical field of testing. The method comprises the following steps: analyzing a symbol table of a binary reference file, obtaining a reference symbol of application software, introducing an intermediary module, modifying a native application software binary file reference symbol table, generating a new binary file, capturing a reference symbol call record through the intermediary module during dynamic testing of the software, forming a comparison benchmark, and detecting and judging the compatibility of the application program and other versions of operating systems based on the comparison benchmark. The application can judge the compatibility of the application software and the library package of the operating system, and provides a reliable testing method for the user to test the compatibility of the application software and the library package of the operating system based on static testing.

The application provides an intelligent test service system and method, an electronic device and a storage medium, and relates to the technical field of artificial intelligence testing. The system comprises: a test control component, which receives a test task type of test task configuration information for distribution; a static test component, which receives a static test task and obtains an original to-be-tested data set address; a dynamic test component, which receives a dynamic test task and obtains simulation task configuration information; an intelligent test algorithm component, which performs enhancement processing on the original to-be-tested data set to obtain a new to-be-tested data set, and performs variable element sampling on the simulation task configuration information to obtain new simulation task configuration information; and a to-be-tested algorithm service component, which performs static testing according to the new to-be-tested data set, and performs dynamic testing according to the new simulation task configuration information, to obtain a test result. Through the fusion of modular design and intelligent test algorithms, the application solves the problems of low test efficiency, weak pertinence and poor expansibility of intelligent algorithms of unmanned systems.

This invention relates to the field of static testing technology, and discloses a support and boundary simulation device and method for static testing of a long straight cylindrical structure. The invention employs six-degree-of-freedom statically determinate constraints to constrain the rigid body displacement of the cylindrical structure without restricting the elastic deformation of the main beam. Active loads are applied to the outer docking fixture, while passive balancing loads are applied to the constraint points of the inner docking fixture. This ensures the accuracy of the boundary load simulation at the end face of the cylindrical structure while reducing the restriction on the elastic deformation of the cylindrical structure by the constraints. Furthermore, the change in constraint reaction force can be monitored in real time during the test loading process, improving the safety and reliability of the test. This invention optimizes the cantilevered fixed-support constraint of the current conventional testing method to a hinged constraint at both ends of the long straight cylindrical structure, shortening the deformation at the maximum deformation point of the long straight cylindrical structure. This improves the accuracy of test loading and structural assessment, enhances the safety of the test, and reduces the complexity of the test loading system.

The invention discloses a vacuum valve particle test system and method, and the method comprises the following test steps: 1, instrument self-cleaning: connecting a filter with a dust particle counter, and enabling test gas to pass through the filter and the dust particle counter for self-cleaning; 2, assembling system components, and assembling a gas source, a mass flow controller, a first pipeline, a filter, a second pipeline, a valve positioning tool, a third pipeline, a fourth pipeline and a valve driving piece to be tested; 3, system purging: installing the to-be-tested valve on a valve positioning tool, opening the to-be-tested valve by a to-be-tested valve driving piece, and purging the system by the entering test gas; step 4, static test: connecting a dust particle counter to a fourth pipeline, and feeding test gas from a gas source; 5, dynamic testing is carried out, and 300 times of dynamic testing is carried out; 6, observing, recording and storing numerical values, and observing the numerical values on the dust particle counter; the technical problem that a vacuum valve needs to be subjected to particle testing is solved.

The invention provides a code testing method, electronic equipment, a storage medium and a program product, relates to the technical field of computers, and is used for performing omission-free testing on target codes and determining untested codes according to corresponding testing results by performing static and dynamic testing on the target codes. And generating a test case for the untested target code. The method comprises the following steps: testing a target code to obtain a first test result; the first test result comprises a first code line tested by the static test and a second code line tested by the dynamic test; determining a target code line based on the first code line and the second code line; the target code line represents a complementary set of an intersection of the first code line and the second code line in the target code; constructing a first test case based on the target code line; testing the target code based on the first test case to obtain a second test result; the second test result comprises a third code line tested by the first test case.

The invention provides an intelligent test service system and method, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence testing. The system comprises a test center control assembly for receiving test task types of test task configuration information and distributing the test task types; the static test component receives a static test task and obtains an original to-be-tested data set address; the dynamic test component is used for receiving the dynamic test task and acquiring simulation task configuration information; the intelligent test algorithm component is used for performing enhancement processing on the original data set to be tested to obtain a new data set to be tested and performing variable element sampling on the simulation task configuration information to obtain new simulation task configuration information; and the measured algorithm service component performs static testing according to the new to-be-tested data set and performs dynamic testing according to the new simulation task configuration information to obtain a testing result. According to the invention, through the fusion of the modular design and the intelligent test algorithm, the problems of low efficiency, weak pertinence and poor expansibility of the intelligent algorithm test of the unmanned system are solved.

The application discloses a DBC packaging test equipment, which comprises a static test equipment and a plurality of dynamic test equipment connected in series; the static test equipment and the dynamic test equipment both comprise a conveying line one, a three-axis mechanical hand, a conveying line three and a rotary test platform; the static test equipment further has a static test machine and a basket feeding mechanism; the conveying line one and the basket feeding mechanism convey DBC substrates to the conveying line three; the three-axis mechanical hand takes the DBC substrates on the conveying line three to the rotary test platform; the rotary test platform sends the DBC substrates into the static test machine to conduct normal-temperature static test; and after the test is completed. The DBC packaging test equipment combines normal-temperature static test and high-temperature dynamic test, simplifies a test line architecture, reduces test line cost, reduces a test line land area, optimizes a test process, realizes full-automatic test operation, does not need manual assistance, improves test efficiency and product yield.

The application discloses a kind of deviation testing devices of well plug, including the base for being connected with well plug, support being arranged on base, direction indicator being arranged on the top of support, and measuring structure, measuring structure is located at the bottom of support or is arranged on base for measuring the deviation amount of well plug in wellbore.The application also discloses a kind of multifunctional testing device of well plug, also include static tester being arranged on support, base includes bottom plate, bottom plate is equipped with the through hole that static tester passes through, static tester is slidably connected with support, and the bottom of static tester is inserted into well plug through the through hole.The deviation testing device provided by the application is easy to operate, and the direction indicator is provided so that the device is aligned in the same direction each time the deviation test is performed, so that the test data can be compared before and after, and the deviation direction of the well plug can be known.The multifunctional testing device of well plug provided by the application can perform static test and deviation test, and the structure is simple and easy to operate.

The invention discloses a static test method, system, medium and equipment for an overall drive generator of an airplane, and the method comprises the steps: immersing the overall drive generator of the airplane into a cleaning agent container containing a cleaning agent, collecting a cleaning agent liquid level image of the cleaning agent container in real time, and recognizing whether bubbles exist in the cleaning agent liquid level image or not; when no bubble exists in the liquid level image of the cleaning agent, the static test result of the overall aircraft driving generator is qualified; when bubbles exist in the liquid level image of the cleaning agent, the static test result of the overall driving generator of the airplane is obtained in combination with the interval time of bubble generation and the initial position point of bubble generation, the static test result comprises qualification and disqualification, and when the static test result is disqualification, the static test result of the overall driving generator of the airplane is judged to be qualified. The static test result also comprises an unqualified part of the whole airplane driving generator. The sealing performance in the static test of the overall driving generator can be efficiently and accurately detected, and a reliable basis is provided for the quality guarantee of equipment.