430 results about "Physical test" patented technology

The invention belongs to the petroleum exploration field, and concretely relates to a compact sandstone reservoir complex netted fracture prediction method. The method comprises the steps of: building a geological structure model and a fracture growth model; testing magnitudes and directions of ancient and modern crustal stresses; completing a rock mechanic parameter experiment; testing rock mechanic parameters and fracture stress sensitivities; developing a fracture rock multistage composite rupture criterion; performing a rock deformation physical test to obtain a peak value intensity; building a relation model between single axle state stress-strain and fracture bulk density; building a relation model between triaxial state stress-strain and fracture bulk density and occurrence; building a relation model between single axle state stress-strain and fracture bulk density; calculating and stimulating fracture parameters under modern conditions; and verifying the reliability of a fracture quantitative prediction result. The method can accurately obtain compact sandstone reservoir complex netted fracture parameters, and perform quantitative characterization, is suitable for quantitative prediction of any fracture mainly with a brittle reservoir, and reduces exploitation risks and costs.

To provide a semiconductor device capable of being easily subjected to a physical test without deteriorating characteristics. According to a measuring method of a semiconductor device in which an element layer provided with a test element including a terminal portion is sealed with first and second films having flexibility, the first film formed over the terminal portion is removed to form a contact hole reaching the terminal portion; the contact hole is filled with a resin containing a conductive material; heating is carried out after arranging a wiring substrate having flexibility over the resin with which filling has been performed so that the terminal portion and the wiring substrate having flexibility are electrically connected via the resin containing a conductive material; and a measurement is performed.

The invention discloses an IEC61850-based detection method and system for detecting power industrial control network intrusions; the method comprises access control detection, protocol white list detection, model-based detection and multiple-parameter-based detection, wherein through the access control detection, it is possible to prevent malware intending to communicate with a control server from acting and attacking, and the effect is particularly good in the initial infection stage; through the protocol white list detection, it is possible to detect abnormal protocol traffic in station control layer and process layer network of a substation and give a warning; the model-based anomaly detection has the potential to discover hostile attack or untended anomalies in the station control layer and process layer network; in the multiple-parameter-based detection, possible threats to an industrial control system due to internal untended misuse or external hostile attack can be recognized by monitoring the most sensitive parameters of an intelligent substation. Validation on a network physical test platform for simulating actual 500 kV intelligent substations shows that the method is timely and practical.

The invention discloses a device for measuring the sample thermo-physical property in situ, comprising a reaction kettle internally provided with a tested sample, a gas supply system for providing a gas source for the reaction kettle, a temperature control system for maintaining the reaction temperature in the reaction kettle, a hydraulic driving system connected with the reaction kettle and a measurement and control acquisition system connected with the reaction kettle and used for testing the thermo-physical property of the sample, wherein a background material of which the thermal conductivity is less than that of the tested sample is arranged at the bottom inside a barrel of the reaction kettle, and the measurement and control acquisition system comprises a thermo-physical test probe which is inserted between the tested sample and the background material. By adopting a single-side test structure of the thermo-physical test probe, the thermo-physical property test to different samples can be carried out, and the test speed is fast; the thermo-physical property parameters of the sample under different temperatures and pressures can be measured as the temperature and the pressure are respectively regulated; the reaction extent test is carried out according to the change of the thermo-physical property parameters during the chemical reaction; and the system has definite functions of all parts, favorable upgradability and expandability as well as wide adaptability.

The invention provides a satellite image navigation and registering full-physical testing device and testing method. The satellite image navigation and registering full-physical testing device comprises a three-shaft air floating table (1), an optical axis measuring system (2), an adjusting mechanism (3), a wireless communication device (4), a photoelectric autocollimator (5), a camera mounting plate (6) and on-board testing equipment such as an imaging camera (7) (including a scanning mechanism), a solar panel driving simulation mechanism (8), a gyro assembly (9), a flywheel assembly (10) and the like. The working state on orbit of a satellite is simulated, and system-level tests are carried out. According to the invention, image navigation and registering air floating table full-physical test verification and performance testing can be carried out on different loads such as a small area array and two-dimensional scanning imaging camera or a large-aperture long-linear-array big area array imaging camera, and on-board image navigation and registering technical schemes and system indexes are enabled to meet on-board requirements.

The invention discloses a foldable dual-beam magnetic light trap system which is mainly suitable for generating cold atoms in laser cooling. Three pairs of laser with opposite polarization and opposite travelling are formed in a vacuum chamber through reflecting incoming laser many times, and a magnetic light trap is formed under the mutual action of a magnetic field generated by an opposite Helmholtz coil. The foldable dual-beam magnetic light trap system is characterized in that multiple reflections are utilized, and laser energy is repeatedly utilized, thereby obtaining the cold atoms. Theinvention has the advantages of simple structure, easy power balance, stable atomicgroup, low input power of laser and easy adjustment, thereby providing a better cold atom resource for cold atom frequency scale, precise measurement and laser cooling physical test.

Method of analyzing spot welded sheet metal structures subjected to forces that promote one or more basic failure modes of either shear tension, in-plane rotation, coach peel, normal tension, or any combination of such basic modes, the method comprising: (i) providing spot welded sheet metal test coupons for analysis of the selected failure mode for the structure to be analyzed and subjecting such test coupons to progressively increasing forces that eventually achieve failure in the selected failure mode to thereby generate measured load and displacement test data; (ii) analyzing the data from the basic modes to derive and extract spot weld strength and stiffness information and then surface fitting such extracted data to create a database; (iii) establishing a computer math model for simulating the spot weld failure modes of the structure and populating the database thereinto to enable simulated physical tests of the structure; (iv) creating a cumulative-damage failure criterion for the spot welded structure that ratios (a) the resultant strength information from the populated math model for selected combinations of load and selected combinations of time and structure thickness, and (b) the measured strength information derived for such combinations of load derived from the test data; and (v) solving the criterion to determine whether it indicates failure for the combination of resultant strength and other values selected.

The invention relates to an automatic testing technology in the field of data communication, and discloses a tester control method in an automatic testing system, which furthest improves the utilization rate of a tester, fully considers the flexibility of using the tester and reduces manual intervention works in an automatic testing process as far as possible. The technical scheme is characterized by comprising the steps of: grouping ports on a physical tester, creating same grouping quantity of virtual testers for associating with all port groups, and controlling corresponding port groups on the physical tester for executing a test task by controlling the virtual testers. The invention is suitable for automatic test of a communication device.

The invention relates to a finite element model correction method based on sensitivity analysis. According to the method, solid modeling is performed on an assembly in three-dimensional software, a modal test is performed on an assembly model through a modal test system, an assembly finite element simulation model is established by the adoption of pre-processing software and post-processing software, modal analysis solving is performed through finite element analysis software, correlation checking is performed on a modal test result and a modal simulation analysis result through LMS.VirtualLabsimulation analysis software, modal sensitivity analysis is performed, parametric variables sensitive to modal frequency are found out, and finite element model fundamental frequency is matched withmodal test fundamental frequency through optimization iteration. Compared with a physical test, the simulation analysis technology has many advantages such as low cost and a short cycle; and within asimulation result error allowed range, the simulation analysis result can serve as a reference basis for vibration characteristic analysis, so that the method has important reference value for relevant test work.

The embodiment of the invention discloses a semi-physical test method and system for an aircraft avionics system. The system comprises: a test management subsystem for managing test projects, models and data through preset test management; a real-time simulation subsystem performing real-time simulation calculation on n aircraft avionics system and states of the subsystems of an aircraft; and a signal acquisition and output subsystem which is used for data interaction between a simulation system and real airborne equipment, wherein the airborne equipment is real airborne equipment, simulationexcitation equipment is avionics equipment operation environment simulation equipment, and the real-time simulation subsystem comprises an aerodynamic model, a kinetic model, an undercarriage model, amass characteristic model, a motion equation, an atmospheric data model, a GPS model and an inertial navigation model. According to the embodiment of the invention, through closed-loop crosslinking of testing environments of hardware system excitation, the real-time simulation system and the real airborne equipment, various effective ways are provided for the aircraft avionics system testing, andthe invention is close to an external field test.

The invention discloses an inkjet printing correction method, an inkjet printing apparatus and a multifunctional one-piece machine. The method comprises the following steps of: printing a first test pattern file to ensure that the inkjet printing apparatus outputs a test pattern; scanning the test pattern to obtain a second test pattern file; comparing each second block separation distance in the second test pattern file with each corresponding first block separation distance in the first test pattern file to obtain corrected separation distance difference data; and reading the corrected separation distance difference data to ensure that the inkjet printing apparatus determines whether to shot ink in advance or delay the shooting of the ink according to the corrected separation distance difference data. The method corrects the differences between each block and each corresponding physical block, and corrects all blocks in a physical test pattern into all first blocks in the first test pattern file, so distortion phenomena cannot be generated; besides, the method directly corrects printed physical pictures, so the errors caused between internal machines of the inkjet printing apparatus are corrected at the same time.

A method for designing an absorbent article. The steps of the method are generating a physical spatial map of saturation of a fluid within an absorbent in a physical test environment, generating a virtual spatial map of saturation of a fluid within an absorbent in a virtual test environment, identifying absorbent-fluid interaction properties for the absorbent such that the virtual spatial map of saturation approximates the physical spatial map of saturation, inputting the absorbent-fluid interaction properties into a virtual model of the absorbent article to produce a representation of at least one feature of the absorbent article, evaluating the virtual model of the absorbent article to determine the performance of the at least one feature of the absorbent article, modifying the design of the absorbent article in response to the performance of the at least one feature of the absorbent article determined from the virtual model of the absorbent article.

The invention discloses an analysis and test system and a test method for the junction temperature of a semiconductor lamp. The system comprises a radiation power tester, an electrical parameter generating and measuring apparatus, a temperature tester, a variable-environment lamp test integrating sphere, a test reference point and light source module temperature distribution computing module, a light source module thermal resistance distribution and junction temperature computing module, a multi-working point optimization and analysis module and a central monitoring and processing computer. The test system provided by the invention can effectively test the junction temperature distribution of the lamp under conditions of normal working state of the semiconductor lamp and no damage to the structure of the lamp. The system is formed based on a concept that: the whole semiconductor lamp is used as an object of study, a proper part of a light module is used as a test reference point, and the junction temperature of the semiconductor lamp is analyzed by a method combining physical test, a numerical model, a physical model and computer thermal test.

The invention provides a semi-physical simulation device and a simulation method for a combined gas turbine and gas turbine power generation unit of a ship, and relates to a simulation device and a simulation method for the combined gas turbine and gas turbine power generation unit of the ship, aiming at solving the problem that the existing combined gas turbine and gas turbine power generation unit is low in simulation precision and higher in risk of the test process. Aiming at the simulation demand of the combined gas turbine and gas turbine power generation unit of the ship, a practical physical part is added on the basis of digital simulation of the conventional computer, so that a simulation system is more approximate to the running status of a real machine, and is high in simulationprecision. Meanwhile, after simulation is carried out on the combined gas turbine and gas turbine power generation unit of the ship by the semi-physical simulation device and the simulation method, the test debugging quantity of a full-physical test table can be greatly reduced, tests which cannot be performed under the status of the real machine can be performed, and the test security can be greatly improved. Therefore, the invention is applicable to the semi-physical simulation for the combined gas turbine and gas turbine power generation unit of the ship.

The invention discloses an identification method for dynamic constitutive parameters of concrete materials based on reverse calculation. According to the identification method, a separating type Hopkinson pressure bar (SHPB (Split Hopkinson Pressure Bar)) test of concrete and a corresponding finite element analytical model are comprehensively utilized, a minimum error function corresponding to reflected waves and transmitted waves which are subjected to test measurement and numerical calculation is taken as a reverse calculation object function, and a group of dynamic constitutive parameters of the concrete materials are identified by carrying out searching and evaluation based on an optimized reverse calculation method; the constitutive parameters of the concrete materials can be fast acquired only by carrying out SHPB tests for several times, meanwhile, decoupling problems of an stress wave effect and a strain rate effect are avoided, and the structural response and the material response do not need to be separated; the parameters which are difficult to confirm in a conventional method can be accurately and effectively acquired, the number of times and the cost of physical tests are greatly reduced, and the practical value is relatively good.

The invention provides a controllable fracture parameter physical model and a manufacturing method thereof. The controllable fracture parameter physical model comprises a plurality of fracture fillers and a plurality of background medium layers, wherein the fracture fillers are of wafer structures; the fracture fillers are embedded in the background medium layers in a dispersed manner; the background medium layers are of plane structures; and the background medium layers embedded with the fracture fillers are arranged in an overlapped manner so as to form the physical model. According to the physical model, the fracture fillers are embedded in each layer of background medium layer uniformly, and the background medium layers embedded with the fracture fillers are arranged in an overlapped manner so as to form the physical model. The physical model is designed according to a Hudson fracture model theory, so that the geological stratification structure described in the Hudson fracture model theory can be well simulated, so as to lay a foundation for verifying the Hudson fracture model theory through the physical test.

The invention relates to a DC field layer simulation system, a digital real-time emulation system and a closed loop test system. The DC field layer simulation system comprises a field equipment model, a test and control device model, a communication model and a bus communication card and a collection card reading and writing module, wherein the field equipment model is used for simulating an AC/DC switch field, an AC/DC wave filter, a convertor transformer, an SER sequence event and an auxiliary signal in the field, the test and control device model can deliver operation commands, return the field equipment state and collect the analog variable, and the communication model is provided with a data collection card and a field bus communication card. The DC field layer simulation system simulates primary equipment and test and control devices in the field directly through the field equipment model and the test and control device model, reduces the building of the field physical test equipment environment, and can freely select devices to be tested in the simulation range, the problem of control incapability is avoided, the DC field layer simulation system is the system with actual and reliable test environment, and the expansion and the upgrading of the system are convenient.

A method for verifying the quality of manufactured components by conducting manufacturing site inspections of components remotely from another site, such as a component integration site. Selected components are physically tested and digitally photographed at the manufacturing site and the resulting test reports and digital photographs are electronically transmitted to the other site. An inspector views the test reports and digital photographs, then generates an inspection report for transmission back to the manufacturing site. Upon receipt of approval of the tested and photographed components, personnel at the manufacturing site ship the components. Component inspectors are relieved of the burden of traveling to manufacturing sites and manufacturers do not have to delay shipment or further production while waiting for a physical inspection of components.

The invention discloses an intelligent sensing system for running exercise. The system comprises a wireless identity recognizer with an RFID electronic label embedded therein, a background server and a plurality of motion detection piles arranged at intervals, wherein each motion detection pile comprises a master control card, and a power supply, an RFID reader-writer, a wireless communication module, a display screen, a speaker and an LED lamp which are connected with the master control card, the RFID reader-writers receive identity identification information of the RFID electronic label, and the master control cards record the identity identification information of the RFID electronic label, time points of induction time of the RFID reader-writers and the RFID electronic label and position information of the motion detection piles at the time for uploading recorded information to the background server through the wireless communication module, obtain running exercise data through calculation processing by the background server and send the exercise data needing to be displayed to a mobile phone and a display screen through wireless communication. According to the invention, the system and method can accurately obtain the running exercise data of multiple persons and have the advantage of high positioning precision, thereby being widely applied to running training of athletes, jogging of the public and physical tests.