805 results about "Lab test method" patented technology

The invention discloses an intelligent test system and an intelligent test method for an autonomous vehicle. The intelligent test system comprises a decision-making layer, a display layer, a control layer and a vehicle side layer, wherein the decision-making layer decides a test scheme to use according to test requirements; the display layer displays a high-precision map of a test field by means of a plurality of display screens, monitors the whole process of a test scene, and displays driving paths of a main vehicle and test vehicles; the control layer realizes cooperative control of a plurality of the test vehicles in a driving simulation mode during the test process, so as to simulate a real and complicated traffic scene, carries out various types of test information acquisition simultaneously, and transmits acquired data to a cloud server to realize the cooperative control of the plurality of the test vehicles; and the vehicle side layer comprises the vehicles and equipment directly participating in the test in the test field, and comprises the main vehicle, the test vehicles and a remote driving control unit. The intelligent test system replaces various types of manually operated test equipment, realizes the complicated traffic scene through multi-vehicle cooperative control, avoids the safety problem of manual driving tests, and can carry out high-precision repeated test.

Disclosed is a simulating system used for a shield tunnel synchronous grouting test. The system includes model soil, model grout and a synchronous grouting simulating test platform. The model grout is injected into the model soil through the synchronous grouting simulating test platform. The synchronous grouting simulating test platform includes a soil box, a data acquisition system, a loading system, a shield propulsion control system, a simulating shield tunneling machine, pressure sensors and a grouting system. The simulating shield tunneling machine and the model soil are arranged in the soil box. The invention also discloses a test method which uses the simulating system used for the shield tunnel synchronous grouting test. The method includes: 1) preparing the model soil; 2) preparing the model grout; 3) constructing a shield-soil-grout similar system to carry out synchronous grouting tests of different grouting positions, different grouting holes and different grouting quantity allocation proportions.

The invention provides equipment used for integrated measurement of quality characteristic of the parts; a torsion pendulum lower disc is fixed on a base; a torsion pendulum upper disc is connected with the torsion pendulum lower disc by a torsion spring component; the torsion pendulum lower disc and the torsion pendulum upper disc are fixedly connected with each other by a bolt; when the bolt is loosened, compressed air is injected in the air inlet hole of the torsion pendulum lower disc so as to form an air cushion between the torsion pendulum lower disc and the torsion pendulum upper disc; the torsion pendulum upper disc is arranged in an air-floating state and carries out torsion pendulum fro and back under the action of a torsion pendulum driving mechanism and the torsion spring component; a rotation inertia measurement instrument measures the rotation inertia of the article to be measured according to the torsion-pendulum period of the torsion pendulum upper disc; a supporting frame is fixed on the external circumference of the torsion pendulum upper disc; a mass center disc is fixed on the supporting frame by a conversion mechanism; the mass center disc is provided with the article to be measured; a weighing sensor component is arranged on the surface of the torsion pendulum upper disc; the relative position of the mass center disc and the supporting frame can be changed by the conversion mechanism; when the mass center disc is separated from the supporting frame, the weight of the mass center disc and the article to be measured is borne by the weighing sensor; and the mass and the mass center of the article to be measured is measured by a mass and mass center measurement instrument according to the value of the sensor component.

The invention relates to a material micro-mechanical property biaxial tension-fatigue test system and a test method thereof, and belongs to the field of precise scientific instruments. The test method is characterized in that orthogonal tensile load is applied to a test piece to make two mutually vertical tensions exist in one plane, and fatigue load can also be applied to the test piece on the basis of the tensile load in order to research the micro-mechanical properties of a material under different load forms and load sizes. The system is composed of a precise loading-transmitting unit, a fatigue unit, a mechanics and deformation signal detection unit, and a test piece clamping unit. The test system has the advantages of novel and compact structure, respective realization of uniaxial tension test, biaxial tension test, uniaxial tension-fatigue test and biaxial tension-fatigue test, good compatibility with an optical microscope, and dynamic research of the relationship between the microstructure of the material and the deformation damage mechanism under tension-fatigue load conditions.

The invention provides a test system, a test method, a mock platform, an interceptor and a client. The test system comprises the interceptor and a simulated mock platform, wherein the interceptor is separated from the client and used for receiving test request information provided by the client, judging the type of a requested test based on the test request information, and notifying the mock platform when the requested test includes a mock test; and the simulated mock platform is separated from the client and used for storing mock data, reading the mock data when the test requested by the client includes the mock test and providing the mock data for the client.

The invention discloses an automated test method for a bank mobile application. The method comprises the steps of monitoring and obtaining mobile phone information of a mobile phone device cluster, and sending the mobile phone information to an automated test server; uploading a bank mobile application (APP) installation package to the automated test server, and performing APP installation on the accessed mobile phone device cluster by a mobile phone adapter cluster; writing a Python automated test script, and uploading the written test script to the automated test server; and selecting the Python automated test script from the automated test server and a to-be-tested mobile phone device cluster, assigning a test task to the mobile phone adapter cluster, and executing a test on the mobile phone device cluster according to the Python automated test script by the mobile phone adapter cluster. The method has the advantages that mobile phone devices of different platforms can be adapted for realizing cross-platform automated testing, and controls which cannot be identified by Appium are subjected to text identification, so that one-stop automated testing of the bank mobile APP is realized and the overall test efficiency is improved.

The invention discloses a test method of an engine controller software diagnosis module on the basis of the USB-CAN (Universal Serial Bus-Controller Area Network) network communication equipment and the automobile diagnosis instruction set tool of the NI Company (National Instruments). The method comprises the following steps: designing an Excel-based diagnosis software test template file; according to the test template, compiling a diagnosis software test case which conforms to a test template format; obtaining the test template file input by a user, analyzing the test template appointed by the user, and generating a data structure used for describing a test template test case and controlling a test process; controlling a test flow; analyzing a simulation working condition; generating a diagnosis communication data frame; receiving and transmitting the communication data frame; judging a test result; realizing interaction with the working condition environment of an engine controller; and outputting a test report and a log file. The invention also discloses a test system of the engine controller software diagnosis module on the basis of the USB-CAN network communication equipment and the automobile diagnosis instruction set tool of the NI Company. The test method can improve the test efficiency and the test quality of the test work of the engine controller software diagnosis module.

The invention provides a test method and a test device for Andriod application program. The test method comprises the following steps that (a) a test log is collected; (b) a test tool used for simulating the operation on tested application program is started; (c) if the condition that the tested application program crashes is ensured, error log information relevant to the tested application program in the test log is found, and the error log information is intercepted and stored; (d) after the error log information is intercepted and stored in an error log analysis thread, the tested application program is closed, and the operation returns to the step (a); (e) if the condition that the tested application program does not crush is determined, after the preset test time is reached, the stored error log information is analyzed, and a test result report is generated.

The invention provides an assembly test method and device. The assembly test method includes the steps that test cases corresponding to serial numbers of the test cases are acquired from a preset test case library according to the serial numbers of the test cases of tested assemblies, wherein the test cases comprise test case TCL scripts, test input data, test case anticipated output and test case execution configuration files; the test input data are input to the test case TCL scripts, and then configuration of the test case execution configuration files is finished; whether the test cases meet preset test conditions or not is judged according to the configured test case execution configuration files; if yes, the test input data are sent to the tested assemblies, the tested assemblies are made to execute logic processing and output a processing result according to the test input data; the processing result is compared with the test case anticipated output, and corresponding test logs are generated according to the comparison result.

The invention discloses a test system and a test method for an underwater explosion impact equivalent loading experiment. The test system comprises a bullet emission system, a bullet speed measurement system, a water target cabin system and a pressure measurement system, wherein the dynamic energy of a bullet is converted to an impact load in a water target cabin by colliding the bullet with the water target cabin system, finally the impact load is loaded on a test piece to be tested, and a pressure time interval is measured by the pressure measurement system. The test system and the test method disclosed by the invention are capable of greatly realizing equivalent underwater explosion equivalent loading in laboratory conditions, and has the advantages of being high in controllability, simple to operate, low in experiment danger, high in repeatability, low in experiment cost, and the like.

The invention provides a test method and device based on Mock and a server. The method includes the steps that a data request used for requesting and obtaining test data of a test service module and sent by a target interface is received, wherein the data request carries a service identifier for indentifying the test service module; a value of the service identifier is obtained from the data request, and target test data corresponding to the value of the service identifier is obtained from a local database, and is sent to the target interface. Test data can be preset for different service modules in the local database, the Mock server can provide stable test data corresponding to the test service module for the interface, it is guaranteed that the obtained test data conforms to anticipation of a next service module, an error of the testing result of the next service module can be thus avoided, automatic testing of all the service modules is more independent, and the testing result is more accurate.

The invention discloses a chip with a scan chain test function. The chip comprises a plurality of scan chains, a combination circuit, a test mode and function module parameter configuration module, a parameter latch trigger chain formed by connecting a plurality of triggers in series and a parameter setting control module. Test mode and function module parameter control words are moved into the trigger chain under the control of the parameter setting control module and latched to the output end of each trigger to provide control value for the test mode and function module parameter configuration module to configure test mode and function module parameter. A corresponding test method is further disclosed. By means of the technical scheme, the chip can effectively improve test covering rate of the combination circuit of the chip and reduce occupation of pins in a chip scanning test.

The invention aims to provide a concrete test loading device and a test method under load and multifactor coupling. The concrete test loading device comprises a press machine, a fixture, a sensor component and a test piece box, wherein a concrete test piece and the sensor component are mounted in the fixture; the fixture is mounted in the press machine; and the test piece box is sleeved on the exterior of the press machine. According to the concrete test loading device and the test method, the structure is simple, the operation is convenient, real working conditions of a concrete member under the combined action of stress and chemical erosion, drying and watering cycle or freezing and thawing cycle in an actual project can be simulated, so that data measured in a laboratory is enabled to have high value of reference on projects.

The invention relates to the field of automatic driving, and discloses a test system and a test method used for an automatic-driving simulation system. The test system includes a first automatic-driving simulation system. The first automatic-driving simulation system includes a simulation environment generation module and a data conversion interface. The method includes: generating a vehicle simulation environment; reading sensor data in the simulation environment through the data conversion interface, and converting the same into sensor data which can be identified by the second automatic-driving simulation system; receiving the sensor data, which can be identified, by the second automatic-driving simulation system, generating a second control instruction according to the same and a set test target, and sending the same to the data conversion interface; receiving the second control instruction by the data conversion interface, and converting the same into a control instruction which can be identified by the simulation environment generation module; and applying the control instruction, which can be identified, to a virtual vehicle by the simulation environment generation module toenable the virtual vehicle to run in a virtual scene. Therefore, a test on the second automatic-driving simulation system is realized.

The invention discloses a large-scale soil interface shear test model and a test method. The test model consists of a model box, test materials, pressurization equipment, shearing equipment and measuring equipment. The model box comprises an upper box and a lower box, the test materials include sandy soil and clay, the pressurization equipment includes a pressure plate, an upper pressure plate, a pressure spring fixed column, a pressure spring, a double-end stud and a bottom plate, the shearing equipment consists of a left baffle plate, a fine thread screw and a handle, and the measuring equipment comprises a right baffle plate, a pressure sensor, a vertical displacement sensor, a horizontal displacement sensor and a camera. The test method comprises the steps of: determining the test materials, consolidating lower box soil, performing soil interface treatment, and carrying out shearing model test. The large-scale soil interface shear test model and the test method provided by the invention can be used for studying interface shear strength change rule and soil shear deformation rule generated due to interfacial effect among different soil layers. Different from other large-scale direct shear equipment with high cost and complex procedures, the test model provided by the invention has the advantages of direct and simple design, rich source materials, and low cost.

The invention discloses a model-based automated test method for a spacecraft system and belongs to the field of system testing. The method comprises the steps of firstly building a window tree model of a tested spacecraft system through a formalization method, classifying behavior states of the tested spacecraft system during operation according to business processes, and constructing a system behavior state transition diagram; secondly traversing a window tree to generate a test case set, running the test case set in a tested spacecraft digital model and validation prototype system, setting tracking points, obtaining system behavior states and recording a state transition sequence; and finally checking whether the obtained state transition sequence obeys a state transition rule or not through a model detection algorithm, thereby automatically validating overall design of the tested spacecraft system and interface design among modules. According to the method, the test cost of the spacecraft system and the whole research and development cycle of the spacecraft system are reduced and shortened by adopting a model-based test technology; and the quality and accuracy of spacecraft system testing are improved by adopting the formalization method and the model detection algorithm.

The invention provides a test method, and the test method comprises the following steps of installing an application layer hook by calling a hook installation program in an operation system, interrupting a protocol data packet in the interaction process by using the application layer hook when the tested progress sends a request to a server, and analyzing the protocol data packet and calculating the performance result of the test progress. The invention also provides a test device. By using the technical scheme provided by the invention, through modifying an application layer hook module and carrying out webpage performance test by using a manner of monitoring the bottom-layer data packet, the transport-layer data packet is directly processed, so that the complicated calculation consumed by the analysis time of the information such as HTML (Hypertext Markup Language), JS, CSS and the like is avoided.

The invention discloses a simulation test device and test method for a battery management system. The simulation test device comprises an upper computer, a simulation signal input board card, a simulation signal output board card, a CAN communication interface board card, a temperature signal switching unit, a voltage signal switching unit, a current signal switching unit, an insulation resistance signal switching unit, a battery voltage signal simulation unit, a battery current signal simulation unit, an insulation resistance signal simulation unit and a battery temperature signal simulation unit; the CAN communication module is connected with the upper computer through the CAN communication interface board card; the output end of the simulation signal input board card is connected with the first input end of the upper computer; and the first output end of the upper computer is connected with the input end of the simulation signal output board card. With the simulation test device and test method for the battery management system of the invention adopted, comprehensive and real-time simulation detection of the battery management system can be realized; the operating status of the battery management system can be embodied in real time; the fault state of the battery management system can be detected; and simulation test can be performed on the battery management system timely and efficiently. The simulation test device and test method for the battery management system can be widely used in the electric vehicle detection field.

The present invention discloses an automated test method and system. The method comprises: receiving a test instruction configured by a tester; and executing a corresponding test program according to the test instruction, and processing and testing the test data so as to obtain a test result. According to the automated test method and system disclosed by the present invention, the integrated test can contain four major parts of test data generation, batch job monitoring, data scanning, and data collation, and by executing the corresponding test program, the corresponding test result is obtained, so that the automated test of a batch data processing function is realized.

The invention relates to a simulation test system and test method for field fogdrop deposition distribution of a pesticide applying device and belongs to the technical field of agriculture test. The system comprises a test frame, a driving device, an airflow generator, a damping screen and a computer control device. According to the simulation test system provided by the invention, the relative movement principle is reasonably utilized, control parameters are set according to a traveling speed of a tested pesticide applying device in field operation and the relative airflow formed by the spraying operation under corresponding traveling speed under the condition that the pesticide applying device is not moved, the traveling of the moveable test frame is utilized to realize the dynamic simulation sampling, the fogdrop motion matched with the practical condition is generated and the test result, such as, a variable coefficient of three-dimensional space deposition distribution of sprayed fogdrop basically consistent to the field practical condition, and the like, can be acquired, so that the test precision can be effectively increased, the large manpower and material resources for field test are avoided, the test cost is saved, the limitation of crop growth reason is avoided and the test period is shortened.

The invention relates to software test technologies, in particular to a test method and a test system applied to test software. The test method comprises: determining the number of press machines according to performance test requirements of to-be-tested software, setting one of all the press machines as a control node, and setting the rest of the press machines as pressure nodes, wherein all the pressure nodes are related with the control node to form a wide-range and distributed mode; and defining tasks and roles undertaken by the control node and the pressure nodes, and transmitting test result data to the control node, wherein the control node in such a test mechanism is only in charge of summarizing and analyzing test data from the pressure nodes, and the pressure nodes are only in charge of generating pressure flow. Therefore, the test method can enable both the control node and the pressure nodes to release a large amount of resources and simulate more virtual users.

The invention relates to a test device and test method for measuring residual stress of a bent pipe and belongs to the technical field of experimental mechanics and residual stress measurement. In the method provided by the invention, the digital speckle correlation technique is combined with the drilling technique, and the method comprises the following steps: using a CCD (charge coupled device) camera to take photos of the bent pipe before and after the bent pipe is drilled; utilizing the digital speckle technique to measure the stretched displacement of two ends of the front and back drilled round holes; and measuring the residual stress of the bent test piece with a confirmed principal stress direction, so as to acquire the residual stress. The digital speckle correlation technique used in the method refers to non-contact measurement. Compared with the traditional electrical testing method, the method has the advantage that the complex process of sticking a foil gauge each time is omitted, thereby being more convenient and simpler. For the measurement of the residual stress of the bent pipe, a column correcting process is added in the method provided by the invention as compared with the traditional method, thus the acquired result is more accurate.