1848results about How to "Shorten the test cycle" patented technology

The invention provides a method for automatically testing embedded software, and aims to provide a method which is not separated in design and execution and is capable of improving the testing efficiency and the testing quality of the embedded software. The method is realized through the following technical schemes of integrating interface design, test planning, test design, test execution, defect management and regression test in a unified platform for management by adopting software engineering; allocating the grades between a data element and a data block according to difference of items, and designing an interface control file; establishing a test cross-linking environment diagram, formulating test types, and designing test items or test sub-items, the name of test cases and the description of test cases; designing independent test cases, forming a scene/business flow test case by linking the independent test cases together through a flow diagram, and saving data of the test design in a database; jointly forming a test platform by enabling the test execution to be combined with the test environment diagram, the test cases and an interface route; automatically recording a test result by a system.

The invention relates to a soil slope water flow erosion resistance simulation test method and device. The device comprises a liftable slope simulation device, a sheetflood scouring simulation device, a water and soil collecting device, a flow velocity determining device and a slope surface form camera device. According to the test method, the water flow is controlled, surface flow and seepage are formed, and sheetflood water, seepage water and sediment quantity formed by scouring slopes by sheetflood water are collected. The flow, the flow velocity, the erosion depth, the sand yield and the like of the water flow are measured quantitatively. Compacted soil is soaked in water until saturation for simulation, the efficiency of an indoor simulation test on slope scouring is improved, the test period is shortened, the test result proves the maximum depth of a slope erosion gully and the change rule of the sand yield with time, discloses the relation between the water flow erosion capacity of catchment behind slopes and the slope length, gradient and time and provides a basis for prediction of the water flow erosion scale and the need of slope protection and reinforcement. The device is simple in structure, convenient to operate and suitable for measurement of soil mechanics parameters of slope soil mass.

The invention relates to the technical field of lithium battery parameter determination methods, in particular to a lithium battery cycle life quick testing method. The method includes the steps of step 1, determining charge state interval for cycle life quick testing according to polarization voltage characteristics of a battery sample, step 2, carrying out a battery cycle life quick test to obtain cycle life test experimental data, step 3, carrying out cycle life mathematic model deduction in partial charge interval, step 4, establishing cycle life deduction mathematic models in 0-100% charge interval, step 5, obtaining a cycle life formula of a battery in the 0-100% charge interval, and step 6, estimating the cycle life of the tested battery. The lithium battery cycle life quick testing method overcomes the defects that time for conventional testing is long, and difference between an accelerated cycle life testing method and the reality is large, and shortens design, development and testing periods of batteries.

The invention discloses a fine simulation test device and a fine simulation test method for slope water erosion. The fine simulation test device comprises an underframe provided with trundles and a test soil groove connected with the underframe, the test soil groove is arranged above the underframe, one end of the test soil groove is hinged to one end of the underframe, and a water tank matched with the test soil groove is arranged at the other end of the test soil groove. A hydraulic rod is arranged between the test soil groove and the underframe, an equalization pond is arranged between thetest soil groove and the water tank, the equalization pond is communicated with the water tank through a water conveying pipe, the water conveying pipe and a water pump are arranged on one side of the water tank, a water discharging pipe is communicated with the lower portion of the water tank, a three-dimensional laser scanner is arranged in front of the test soil groove, a railfall device is arranged right above the test soil groove, and a flow collecting opening connected with the test soil groove is arranged at the end of the test soil groove hinged to the underframe. The fine simulation test device and the fine simulation test method for the slope water erosion have the advantages of being capable of controlling slope soil bulk density, vegetation types and cover degree manually, simulating soil water erosion conditions under different site conditions, and studying influences and response theories of all factors on soil water erosion under different underlying surface conditions.

The invention relates to a test method of an L3-level autopilot system of vehicle-in-loop based on a virtual driving scene. The method comprises the following steps of observing a kinematic state of avehicle, wherein the kinematic state comprises a position and a course angle, and is used for updating a vehicle pose in the virtual scene; establishing a sensory system model, wherein the sensory system model comprises four perception equipment models of vision, a millimeter wave radar, a laser radar and an ultrasonic radar; injecting virtual test scene libraries, and predefining three types oftest scene libraries including system driving scene working conditions, emergency working conditions and human-computer interaction working conditions according to an application scene of the L3-levelautopilot system; rendering in the virtual scene according to a pilot position parameter to generate a scene visualization visual angle; and recording and evaluating test data, including algorithm performance quantitative evaluation indexes and system evaluation indexes, and finally outputting comprehensive summary evaluation indexes of the L3-level autopilot system. Through the test method disclosed by the invention, the typical application scene of the L3-level autopilot system can be tested and evaluated in a limited experimental site.

The invention relates to the technical field of ATC responders, and discloses an automatic detecting system of an S mode responder. The automatic detecting system of the S mode responder comprises a control module, a signal processing module and a receiving and sending module, wherein the control module is used for sending inquiry data to the signal processing module, receiving responding data returned from the signal processing module, comparing and analyzing the responding data and originally-stored simulated responding data, and displaying the analyzed results; the signal processing module is used for analyzing and encoding the received inquiry data, then sending the inquiry data to the receiving and sending module, decoding the responding data returned from the receiving and sending module, generating a message format of the inquiry data and then sending the inquiry data to a control module; the receiving and sending module is used for achieving mutual transmission of signals between the receiving and sending module and the responder, and achieving frequency conversion, receiving and sending of the signals. According to the automatic detecting system of the S mode responder, accuracy detecting can be conducted on the specific field of the responding information of the S mode responder, manual detecting errors can be reduced, complex testing steps can be simplified, the testing period can be shortened, and working efficiency can be improved.

The invention discloses a virtual test system and test method for ship performance, and belongs to the technical field of ship performance tests. The virtual test system comprises a storing device, a tool device, a testing device and an operating platform, wherein the storing device and the tool device are positioned at the bottom layer, the test device is positioned at a supporting layer, and the operating platform is positioned at an application layer; and the test method comprises the following steps: the operating platform builds the sailing data model of a boat sailing in the waves and the environment data model of the sailing environment of the boat respectively according to the testing result of the test device, and builds the conceptual data model of a boat in actual sailing by combining the two simulation models. The technical scheme provided by the invention is that the building of the navigation performance virtual testing system truly reflects man-machine interaction when a ship sails, the testing level is improved, the testing period is shortened, the testing cost is lowered, the accuracy and instantaneity of the motion simulation are ensured, and the fidelity of the virtual testing is further improved..

The invention belongs to the strength testing techniques of airplanes, and relates to a testing method for a supporting coefficient of a loading end in a compression stabilization experiment of a wallboard. A supporting clamp for the compression stabilization experiment of a reinforced wallboard comprises a hinged support clamp with a supporting coefficient of 1, a simple support clamp with a supporting coefficient between 1 and 4, and a fixed support clamp with a supporting coefficient of 4; a rectangular groove is processed on one side of the plane of an articulation block; and the end socket of a test piece is directly embedded in the rectangular groove. In the invention, the design of the test piece is given first; then a foil gauge is arranged, and the test piece and the clamps are mounted; a compression load is loaded hierarchically, and the load-stress is tracked and measured; when a curve knee point is discovered, the load is unloaded, and the load at the knee point is recorded; the load at the knee point is led in a theoretical formula to obtain the supporting coefficient; and finally, through increasing H or increasing clamping force, the supporting coefficient is adjusted. The method has the characteristics of simple operation, high loading precision and low cost.

The invention discloses a device and a method of simulation and testing of a finished car controller of a hybrid power car. Due to the fact that a PCI interface and a micro processor are used for communication, the device of simulation and testing of the finished car controller of the hybrid power car has the advantages of being good in reliability, high in transmission rate of data, and good in extendibility. Due to the fact that a mathematical model of a power unit is used for simulating a working state of an actual power unit, cost of a system is greatly reduced. The device of simulation and testing of the finished car controller of the hybrid power car comprises a micro processor unit, a PCI bus processing unit, a display unit and an interface board card. The display unit and the PCI bus processing unit are respectively connected with the micro processor unit. The interface board card is connected with the PCI bus processing unit through a PCI bus. The interface board card is connected with the finished car controller to be detected. Therefore, configuration can be conveniently carried out on the structure of a finished car, relevant power unit parameters, an operation spectrum/a road spectrum, and port attributes of an interface board, and the system is good in generality. When the device and the method of simulation and testing of the finished car controller of the hybrid power car are used for testing a hybrid power finished car controller, a test period is shortened, test cost is reduced, and test results are good in stability and high in accuracy.

The invention comprises a pressure sensor, a displacement sensor servo system, an axial output oil cylinder piston, an axial servo loading system, a computer and a loading frame. The loading frame is connected to the pressure sensor; the pressure sensor is connected to the triaxial pressure chamber; the triaxial pressure chamber is connected to the metal piece; the triaxial pressure chamber is respectively connected to the loading frame and base; there is an axial spacer located in the triaxial pressure chamber; a lateral extensometer chain and a lateral extensometer clamp are mounted on the sample tunnel wall of the triaxial pressure chamber.

The invention discloses an indoor quick load solidify tester and a relative method, belonging to the test technical field of deformation character index of rock project and building foundation. The device is composed of an upright load device, a solidify container for containing sample soil, a liquid pressure sensor, a deformation sensor, a static resistance strain gage, and a PC computer. And the test method comprises that (1), sampling, vacuuming until saturation, (2), putting the sample soil into the solidifying container, sealing the bottom of the sample and connecting with the sensor, (3), arranging the solidifying container into the upright load device, and mounting the liquid pressure sensor and the deformation sensor at relative positions, processing hole water pressure and upright deformation test, (4), using the static resistance strain device and the PC computer to pick, transmit and record static signal. The invention can be used in the condition with short construction period, high test accuracy and lack fund.

A embedded type modular and sub-system universal metering equipment based on the main computer platform, comprising a test example editing unit, a test use example pool, a test unit, a debugging unitand an analysis unit. The invention can transplant the modules and sub-systems originally needed to be downloaded into the hardware system onto the public host platform, thus avoiding the reduplicated exploitation of the test and measurement instrument.

The invention relates to a physical simulation method of the solidification process of strip continuous casting and a realization device thereof, which belong to the field of physical simulation and control of growth process of metal solidification structures. The invention provides a physical simulation method of the solidification process of the strip continuous casting process, so that a physical simulation test can reach the cooling rate of actual strip continuous casting to simulate the heat transfer process of the strip continuous casting; and the method researches an evolution law of solidification structures of the strip continuous casting and a basic law of the solidification by adjusting alloy element components and strip thickness, and can contrastively research an influence law of a rolling force on the solidification during the strip continuous casting. The invention provides a set of equipment which can realize physical simulation on the solidification process of the strip continuous casting. The invention designs a physical simulation device which has a concise structure and small scale and is flexible and smart, wherein main parameters of the device comprise that: the final vacuum is 6.6*10-4Pa, the radius of four water-cooled copper crucibles is 25mm, the working current is between 800 and 1,000A, and the rotating speed of electromagnetic stirring is between 0 and 200rpm.

The invention relates to an aircraft three-dimensional surface flow distribution wind tunnel measurement method. A structured light-based binocular vision three-dimensional point cloud reconstructionsystem and a multi-view image acquisition system are used for wind tunnel three-dimensional flow distribution measurement. Firstly, the binocular vision system is used to reconstruct the surface of awind tunnel test model. According to the aircraft three-dimensional surface flow distribution wind tunnel measurement method, the binocular vision system is utilized to perform the three-dimensional reconstruction of the surface of the wind tunnel test model; a small number of marking points are distributed on the model or at the periphery of the model; and point cloud splicing processing is carried out, so that the point cloud information of the surface of the wind tunnel test model is obtained. In a wind tunnel test, a plurality of cameras are adopted to perform multi-angle shooting on the model, so that the surface flow information of the model under different visual angles can be obtained; and image-to-three-dimensional point cloud coordinate system transformation is carried out through the information of the marking points arranged on the model or at the periphery of the model, so that a two-dimensional flow image can be mapped onto three-dimensional point cloud, and therefore, the three-dimensional full-surface flow distribution of an aircraft can be obtained.

The invention relates to a test method of rive project movable bed physical model coupling which comprises the following steps of: firstly, carrying out the preparation of a model test; then carrying out a model verification test; laying out the project on the model according to an improvement project initial design scheme; estimating a dynamic balance boundary morphology attained by a river bed after adjustment under the laid river boundary initial condition, wherein the dynamic balance boundary morphology comprises various parameters of river width, water depth, river bend radius; stimulating and moulding a new river boundary by an artificial moulding method according to the estimated parameters; carrying out a water discharge test under the artificially formed river bed boundary, observing various control and guide effect parameters and analyzing whether the control and guide effect parameters reach the design aim or not; otherwise, adjusting the scheme; if the control and guide effect parameters basically reach the design aim, proposing a recommendation scheme of modification or adjustment and carrying out the test; and comparing with the initial design scheme till the test is finished. The method has the advantage of observing the extreme value control and guide parameter or maximal control and guide effect of the project in a shorter test time interval so as to effectively shorten the test period and reduce the cost.