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1506 results about "Test analysis" patented technology

Intelligent connected vehicle in-the-loop simulation and test and verification system and method

InactiveCN108646586AAdd static objectsLow costSimulator controlData simulationSimulation
The invention provides an intelligent connected vehicle in-the-loop simulation and test and verification system and method. Simulation of the intelligent trolley operation scene is performed mainly byIPG CarMaker, CarSIM and other tools. The system is composed of the functions of Simulink data simulation calculation, transmission of the simulation scene parameters to the intelligent trolley for simulation of the real scene, intelligent trolley image acquisition and display and test analysis. The intelligent trolley side is mainly responsible for environmental perception and control algorithmverification of the intelligent connected vehicle and is composed of a trolley and a control module, a driving module, a communication module and a sensor module to act as the carrier of loading the test algorithm software and the sensor and the communication module required to be tested. According to the system, the cost and the dangerousness of the intelligent connected vehicle test can be reduced, onsite verification of the intelligent vehicle system can be performed in the real site, the research work of modeling, simulation and control and other aspects for vehicle-road coordination and other application in different simulation traffic scenes and thus a lot of data support can be provided for the research of the intelligent connected vehicle.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method for evaluating shale gas reservoir and searching sweet spot region

InactiveCN104853822AImprove fidelityEstimates are stable and accurateEntertainmentBorehole/well accessoriesWell loggingElastance
The present invention discloses a method for evaluating shale gas reservoirs and searching sweet spot regions, which includes steps as follows: drilling corestone columns with different directions and measuring dynamic and static parameters of the corestone columns after saturation to obtain a transformable relational expression of dynamic and static elasticity modulus, processing physical simulation of anisotropic rocks, and calculating elastic parameters; intersecting to obtain related relationship corresponding to elastic and sensitive parameters or the combination of the elastic and sensitive parameters and parameters of shale gas sweet spot regions, getting and predicating the parameters or parameter combination of the shale gas sweet spot regions; correcting log data to obtain optimal well log; utilizing multi-mineral analysis and corestone test analysis methods to obtain a model and processing in series; inverting three-dimensional high resolution post-stack seismic data; synthesizing obtained various favorable parameters of the shale gas reservoirs and combining the accurate burial depth, thickness, occurrence and planar distribution of the shale gas reservoirs to obtain the gas bearing characteristic prospect of the shale gas reservoirs and outline the sweet spot regions for shale gas exploration and development.
Owner:杨顺伟

Nondestructive testing system and testing analysis method for three-dimensional braided composite material

InactiveCN102109498ARealize the whole dynamic monitoringShow damage characteristicsMaterial analysis using acoustic emission techniquesFrequency spectrumAcoustic emission
The invention provides an acoustic-emission-technology-based nondestructive testing system and an acoustic-emission-technology-based nondestructive testing method for a three-dimensional braided composite material. In the method, an acoustic emission signal generated by the composite material under external loading is received by an acoustic emission sensor and then is digitized, and the damaged condition of the material is further analyzed. By the method, a unilateral stretching experiment of the carbon fiber three-dimensional braided composite material is dynamically monitored all the way by the acoustic emission technology; and the method proves that the number of the acoustic emission events has good correlation with damage evolution of the carbon fiber composite material; through the spectrum analysis of the carbon fiber three-dimensional braided composite material, the final damage to the material is caused by fibrous fracture and damage frequencies show the damage characteristics of the material; different types of damage modes are well described through the spectrum analysis, and frequency ranges of all peak values can be detailed further, so that more detailed explanation for damage types and mechanisms can be given; and the fracture modes of the material can be analyzed by using acoustic emission characteristic parameters.
Owner:TIANJIN POLYTECHNIC UNIV

Test analysis system and method based on embedded software

The invention is applied to the field of software tests, and provides a test analysis system and method based on embedded software; the system comprises a pile pitching machine, a pile pitching identification database generating unit, a data acquisition unit and a result analyzer, wherein the pile pitching machine is used for performing pile pitching on the source code compiled by a compiler; the pile pitching identification database generating unit is used for generating a pile pitching identification database according to the pile pitching result of the source code complied by the compiler; the data acquisition unit is used for monitoring and acquiring the running result capable of performing a target code from a target board and processing the running result capable of performing the target code to generate and store test data; and the result analyzer is used for performing associated comparison and analysis according to the pile pitching identification database generated by the pile pitching identification database generating unit and the test data stored by the data acquisition unit so as to acquire the test analysis result. In the invention, the advantages of test tools of pure software and pure hardware are better merged by establishing the test analysis system based on the embedded software in combination with software and hardware, and the test analysis objects are diversified.
Owner:深圳市运通信息技术有限公司

Surface enhanced raman detection test paper and application thereof

The invention relates to a piece of surface enhanced raman detection test paper and the application thereof, which belong to the technical field of ultra-sensitive test analysis, in particular to the piece of surface enhanced raman detection test paper and the application of the paper to detection of biological or chemical probe molecules with raman signals. The surface enhanced raman detection test paper is obtained by covering a precious metal layer on the surface of paper with a natural fiber micro nano multi-grade structure through the physical vapor deposition or chemical plating technology, the paper can be filter paper, parchment paper, napkin, newspaper or printing paper and the like, the precious metal film is gold or silver and the like, and the thickness of the precious metal film is 5 nanometers to 90 nanometers. Combined action of size, period and roughness enables incident light to generate a local electric field on the surface of a multi-stage structure and enables the electric field to be enhanced, and the detection limit can reach 10-10mol/L. The test paper has the advantages of being good in flexibility, low in cost, free of environment pollution, capable of being prepared in batch and the like, thereby being capable of being used in detection of probe molecules such as rhodamine 6G, p-aminothiophenol, riboflavin or ethanol and the like.
Owner:JILIN UNIV

Dynamic and static combined software security test method

InactiveCN102360334AIncreased security testing productivitySolve the path space explosion problemSoftware testing/debuggingCall graphBasic block
The invention relates to a computer software security test method, and in particular relates to a dynamic and static combined software security test method. The test method comprises the following steps: firstly carrying out disassembly and intermediate language transformation on an executable program so as to generate a function call graph (CG) and a control flow graph (CFG) of a file; finding out a vulnerable point of a system by means of static analysis of the function CG, and constructing a test case generation execution path by virtue of a dynamic analysis method; searching a called function based on the function CG, finding out a specific path for triggering the vulnerable point on a first-grade basic block according to the CFG if the function is located on the generated execution path, and then ending the loophole mining process corresponding to the sensitive point; and if the path can not be found, reconfiguring the test case generation execution path and then searching the called function in a cyclic manner. The dynamic and static combined software security test method has the advantages of better solving the problem of path state space blast caused by single Fuzz dynamic test, and greatly improving the path coverage hit rate and the software test analysis efficiency.
Owner:THE PLA INFORMATION ENG UNIV

Hot fatigue performance test and analysis method for steel

The invention relates to a test and analysis method of the heat weary performance of steel, which belongs to the field of the performance and test analysis of metal material. The invention is characterized in that the quantitative research and analysis of the heat weary performance is realized. And the invention has following technological processes and steps: (1) the specimen is processed into a shape which has two side surfaces, one of the two surfaces is connected with temperature controlling equipment through a thermo-element, and the highest heating temperature of the specimen can be controlled. The two surfaces are both grinded into the state of polishing. (2) The specimen is put in the center of the induction coil of the heat weary performance testing machine, and then is cooled by circulation cooling water; the highest heating temperature is set, and the cooling time is set. After the heat weary performance testing, the specimen is processed with etch cleaning, and the oxide skin on the surface of the specimen is removed; cracks on the surface of the specimen is given a photo by zoom stereo microscope; the specimen is cut crosswise along the closest packed cracks, and then is grinded and polished and is again given a photo of the sectional plane. (3) The photo is input into the computer, and the cracks are quantitatively analyzed by heat weary performance cracking image analysis system.
Owner:SHANGHAI UNIV

Digitized protective device automatic test control system and control method thereof

The invention discloses a digitized protective device automatic test control system and a control method thereof, and belongs to the technical field of intelligent transformer substation tests and verification. The system comprises a test analysis module, a parameter management module, a 61850 client side module, a test case management module, a test control module, a report output module and a configuration library module. Test cases are generated automatically according to definite value information, a test case library is established aiming at digitized protective device types, definite values of the digitized protective device are downloaded to the digitized protective device automatically, the operation that a relay protection testing device is controlled to add and control messages for the digitized protective device is completed automatically, and test reports are output automatically. According to the digitized protective device automatic test control system and the control method thereof, for the application scenarios that secondary relay protective factories complete leave-factory test fast, electric power companies check and accept protective devices and intelligent transformer substations carry out on-site equipment tests, repeated and tedious work of workers can be reduced greatly, and working efficiency can be improved.
Owner:STATE GRID CORP OF CHINA +3

Apparatus and method for measuring welding tube corrosion under stress condition

InactiveCN101377461ADetermination of Corrosion BehaviorDetermination of Corrosion SusceptibilityWeather/light/corrosion resistanceMaterial electrochemical variablesStress conditionsTest analysis
A device for testing corrosion of welded pipe under stress state and a testing method for the same belong to the field of testing and analyzing a material by the means of testing the chemical or physical property of the material. In the device, a partition board is arranged in the middle of an electrolytic cell to divide the electrolytic cell into an electrolytic cell part and an electrode arrangement chamber; a trough circular hole, the edge of which is embedded with a rubber sealing ring, is arranged on the partition board; a bracket is arranged at one side of the electrode arrangement chamber; the bracket is provided with a stress ring, the two ends of which are provided with nuts; the two ends of a work electrode are connected with the stress ring through screw thread and are fixed within the stress ring under the loading state; the lateral of the electrode arrangement chamber is provided with a holding down bolt; and the loaded electrode is tightly pressed against the circular hole embedded with the rubber sealing ring. The invention also discloses a method for testing corrosion of welded pipe under stress state. The invention can be applied to the electrochemistry testing field for testing erosion, corrosion, or anti-corrosion performances of the electrodes with complex shapes and different stress loadings due to different heat treatment conditions.
Owner:BAOSHAN IRON & STEEL CO LTD

System and method for testing and analyzing automobile vibration

The invention discloses a system and a method for testing analyzing automobile vibration, comprising a three-direction acceleration sensor, a single-direction acceleration sensor, a signal regulating module, a radio data collecting card and a monitoring computer. The three-direction acceleration sensor and the single-direction acceleration sensor are arranged on a key part during the running of the automobile and are used for respectively obtaining and outputting the vibrating signals of each key part during the running of the automobile; the signal regulating module is connected with the output ends of the three-direction acceleration sensor and the single-direction acceleration sensor and used for regulating and outputting the signals output by the three-direction acceleration sensor and the single-direction acceleration sensor; the radio data collecting card is connected with the signal regulating module and used for collecting and wirelessly outputting the regulated signals of the signal regulating module; the monitoring computer is provided with a radio data receiving end and is used for receiving the radio signals output by the radio data collecting card as well as testing and analyzing the vibration signals during the running of the automobile. The device has simple hardware structure, realizes the diagnosing and analyzing function by software, facilitates the upgrading and maintenance, and is conveniently carried.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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