426 results about "Test preparation" patented technology

An adaptive system enables providers to customize educational objects and support services to maximize user engagement. The system is a self-service system for education for providers that includes a learning environment with interfaces for stakeholders, metrics for measuring the level of user engagement, and a customizable service configured to maximize user engagement. The system may operate in many domains, such as higher education, retail, government, test preparation and certification services, negotiations, and others.

The invention provides a method for testing software performance. The method comprises the following: step 1, formulating a test proposal according to a test task acquired from a test task list and selecting a test tool; step 2, generating a test script according to the formulated test proposal; and step 3, testing software performance through the test script after finishing test preparation work. Therefore, on the basis of software test work in general meaning, the method has further expansion and promotion, establishes an independent test-quality evaluation mechanism oriented to performance innovatively according to production versions, can control production quality more effectively and reduce the production risk and hidden trouble of software product versions by establishing a strict test output-permission evaluation mechanism and utilizing means and methods for testing the performance of the production versions.

The invention relates to a test system and a test method for the traction performance of automobiles. The test system comprises road gliding equipment, performance test equipment and data acquisition equipment, wherein the data acquisition equipment is connected with the road gliding equipment and the performance test equipment respectively; the road gliding equipment is used for testing preparation data; and the performance test equipment is used for testing the preparation data, traction performance data of the maximum towing hook and traction performance data of each shift towing hook. The test method comprises the following steps of preparing, testing the traction of the maximum towing hook, testing the traction performance of each shift towing hook and classifying the data. In the method, load tow trucks on roads are simulated by utilizing a chassis dynamometer in a method of gradient application, and compared with a method of using the load tow trucks on the roads, the method has simplicity of control and operation on indoor revolving drums and is easy to realize; and compared with a constant speed method used on the chassis dynamometer, the method has the advantage that the driving resistance of the automobiles on straight road surfaces is considered fully and the advantage that the actual traction for the automobiles on the towing hooks can be measured integrally.

Systems and methods which provide for learning, particularly learning in a professional school environment, that allow for interactive question and answer study sessions in the form of learning tutorials and test preparation modules which can be used in conjunction with traditional classroom learning techniques or other learning techniques and provide for improved interactivity and presentation compared to traditional systems.

The embodiment of the invention provides a micrometer order solid particle ignition burning test device under a jet stream condition. The device comprises four parts of a gas generator part, an afterburning chamber part, a sampling part and an observing part; the test device can change the ratio of fuel to an oxidant in the gas generator and realize stable controllable adjustment on mass and flow of solid particles, thus realizing the simulation of a working environment in the afterburning chamber of a ramjet of a solid rocket under different working conditions; a test process is monitored in real time by equipment such as a sensor and a high speed camera, a burnt product of the high energy solid particles is sampled in the test process, research on an ignition burning process of the micrometer order high energy solid in the afterburning chamber is realized, the test preparation time is shorter, the expense cost is lower, more observing methods can be used for a burning process in the afterburning chamber, more test data are obtained, the test system is good in reutilization, and engineering reference value of the obtained test data is high.

A device for imitating sea bore in a hydraulic model test is characterized by comprising a quick lifting gate device, an upper impounding reservoir section, a sea bore section and a lower impounding reservoir section which are sequentially connected, wherein the quick lifting gate device comprises a gate, a gate groove, a pulley, a weight, a weight supporting platform, a winch and a gate groove limiting stopper. The gate, the pulley and the weight are connected through steel wires. The gate groove limiting stopper prevents the gate from sliding out of the gate groove when the gate ascends to the highest position. The weight supporting platform is used for supporting the weight in a water filling preparation stage. The winch is used for lifting the weight in a test preparation stage. The invention belongs to the field of hydraulic engineering model tests. The invention provides the device and the method to imitate the sea bore in the hydraulic model test. According to the method, dynamic water pressure of a sea bore impact structure can be measured, and the method and the device have the advantages of being reliable in method, precise in measurement and good in repeatability.

The invention provides a method and system for testing the throughput of a wireless network card in a wireless local area network. The method comprises the following steps of: integrating an Iperf.exe tool in a wireless access point (AP); establishing an Iperf.exe tool call instruction in the AP; mounting a wireless network card to be tested on a PC (Personal Computer), wherein the PC is connected with the AP in a wireless manner through the wireless network card to be tested; and operating the own Iperf.exe tool by the PC and calling the Iperf.exe tool on the AP through the Iperf.exe tool call instruction simultaneously so that the throughput test of the wireless network card to be tested is completed through wireless communication between the PC and the AP. In the embodiment of the invention, communication is carried out between the AP used as the server end of the Iperf.exe tool and the client of the PC in the test, so that the throughput of the wireless network card can be tested through only one PC, and therefore, the test environment is greatly simplified and the test preparation work is reduced.

System and method for generating an enhanced test case for a computer application is disclosed. The system provides a test preparation engine including an entity extracting module and an assembly extractor for collecting information about the computer application and corresponding database schema for generating a global report. The test case designing module designs one or more test cases by using the global report. The test case execution engine includes an input evaluation module and generates an actual result for each executed test case and an expected result for one or more database query. The report generating module includes a result storage device, a result comparator and a result analyses module and performs analyses of the actual test case result and the expected results.

The invention belongs to the technical field of measurement and control, particularly relates to a method for calibrating the measurement accuracy of a dynamic angle measuring system, and aims to provide a method capable of calibrating a high-speed dynamic angle acquisition system based on a rotary table. The method comprises the following steps: testing preparation, calibration device mounting, dynamic angle reference determination and angle calibration. The method comprises the steps of calibration device mounting, and a calibration device and an angle sensor of the rotary table are coaxially mounted, so that a stationary reference angle is provided for a dynamic angle, and a system error is eliminated. The dynamic angle measuring system is calibrated and then displayed, the dispersiveness of the measured valve at low speed (lower than 1 degree/s) is lower than o.1''. Thus, the angle sensor in the calibration system and an angle encoder used for generating pulse signals, which are coaxially mounted, are good in zero position error repeatability, the relative angular displacement amount is very small, and the demand of high-precision calibration is met.

The invention provides a testing method for normal temperature and high temperature stress relaxation of a flat spring. Firstly, a to-be-tested spring sample is prepared, the prepared to-be-tested spring sample is an equal stress sample and has a symmetrical-shaped flat structure; secondly, installation and test preparation of testing equipment are performed, the testing equipment is provided with a base, lateral plates are fixed on the front and the rear sides of the base, the two ends of the to-be-tested spring sample are respectively placed on the lateral plates, the base and an upper plate are fixed together through a limiter, a pressure sensor is mounted on the upper plate, and a pressure head mounted at the lower end of the pressure sensor exerts pressure force onto the sample; then a spring stress relaxation test is performed, and the stress values at different time can be collected; and finally, the condition of stress relaxation loss of the material of the sample is determined. Through the method provided by the invention, the bending deflection of the sample, which is difficult to measure, is converted into electrical signals easy to measure, the work efficiency is improved, the method is simple, and the testing data is accurate.

A dynamic diagnostic plan generator arranges diagnostic test procedures related to a vehicle/power tool/patient symptom or operational problem in a sequence based on a probabilistic Failure Mode and Effects Analysis (FMEA). The diagnostic plan generator also tracks a vehicle/power tool/patient state, and provides instructions for test preparation steps and instructions for performing the diagnostic test procedures. The plan generator further generates schematic illustrations of the diagnostic test procedures, and creates a diagnostic data structure containing information related to the diagnostic test procedures. In addition, the diagnostic plan generator sends and receives information regarding actual failure mode occurrences, for example, to and from a central database. Furthermore, the diagnostic plan generator facilitates the creation of failure mode tests by an expert diagnostics author.

The invention discloses an oil paper insulation water content evaluation method based on polarization loss and electric conduction loss. The method comprises the following steps of 1, performing frequency domain dielectric spectrum test preparation; 2, solving relevant parameters of an oil soaking insulation paper board expansion Debye model conforming to the frequency domain dielectric spectrum matching requirements, so that the spectrum unscrambling of the oil soaking insulation paper board frequency domain dielectric spectrum test is completed; 3, calculating the electric conduction loss and the polarization loss of the oil soaking insulation paper board on the basis of the complex capacity test spectrum unscrambling result of the frequency domain dielectric spectrum of the oil soaking insulation paper board; 4, respectively making frequency curves of the electric conduction loss and polarization loss according to the electric conduction loss and the polarization loss, obtaining the intersecting point frequency of the two curves, and calculating the water content of the oil soaking insulation paper board through the intersecting point frequency of the frequency curves of the electric conduction loss and polarization loss. The problems that the reliability of an oil paper insulation water content evaluation method based on the physicochemical properties in the prior art is insufficient, and the measurement frequency band of the time domain dielectric response technology is narrow, the interference by the environment is obvious, and the like are solved.

The invention discloses a distance adjusting device for a double-cone configuration diffuser and a spray pipe of a hypersonic wind tunnel. The distance adjusting device comprises a sliding cone section, a fixed cone section, a sealing ring, a supporting mechanism and a sliding rail. The fixed cone section is arranged on the sliding cone section in a sleeving mode, and the fixed cone section and the sliding cone section are sealed through the sealing ring; and the sliding cone section is placed on the supporting mechanism, the gravity center position of the sliding cone section coincides with the center line of the supporting mechanism, the supporting mechanism is installed on the sliding rail, the sliding rail is welded to the lower wall face of the test section, and the supporting mechanism moves forwards and backwards on the sliding rail to drive the sliding cone section to move forwards and backwards in the fixed cone section to adjust the distance between the sliding cone section and the spray pipe. The distance adjusting device is simple in structure and low in manufacturing cost; the use process is convenient, efficient and safe, the adjustment time can be greatly shortened,and the test preparation efficiency is improved; the configuration of the diffuser contraction section is convenient to adjust, the adjusting range of the distance between the diffuser and the spray pipe is large, and wind tunnel test requirements can be flexibly met.

The invention provides a laboratory simulation test method for researching underground water seepage obstruction caused by a pile foundation. The laboratory simulation test method comprises the following steps of 1, soil pavement and test preparation, 2, water injection pressurization, 3, self-weight consolidation, and 4, a laboratory seepage test. The laboratory simulation test method can conveniently and effectively observe and research underground water seepage in soil with a pile foundation, can research the influence produced by the number, depth and arrangement of pile foundations on underground water seepage by analysis of water head distribution in the test, can provide reasonable and feasible computing design parameters for design and construction, and is used for guaranteeing safety and efficiency of ground pit construction in the urbanization process.

The invention discloses a method for detecting suspension shock absorption performance of an automobile power assembly. The method comprises the steps of pre-test preparation, preload application test and detection of dynamic-static stiffness, and the method is implemented by use of a vibrating test bench which can realize two-shaft linkage as well as a two-shaft linkage test tool. According to the method for detecting the suspension shock absorption performance of the automobile power assembly, the traditional test method is changed, the dynamic-static stiffness in X direction and Y direction is detected under the condition of Z direction preload suspension of the power assembly and the objectivity and the correctness of detection data are ensured; movement interference and prestress can be eliminated and the normal proceeding of the test and the correctness of the detection-test data are ensured; the preload applied by a suspension test of the power assembly can be borne by a machine base of equipment, and a moving shaft and a sensor of the equipment are protected from being damaged by shear force; the problem of component force generated by the preload due to angle generation of arc movement in the prior art is solved, the correctness of the preload is ensured and therefore the correctness of the test result is guaranteed.

The invention discloses a control system of a solid-liquid dynamic sounding rocket. The control system is composed of a ground test launching control part and a rocket-borne control part. The control system is mainly used for realizing the following three tasks: converting ground power supply of a rocket-borne device to rocket-borne power supply, completing test preparation before launching the solid-liquid dynamic sounding rocket to realize the functions of launching control, security control, and the like, and carrying out variable thrust control on the solid-liquid dynamic sounding rocket and monitoring, collecting and recording the states. The invention provides a solid-liquid dynamic aircraft control system. By utilizing the solid-liquid dynamic aircraft control system, the functions of monitoring, ignition testing, emergency danger eliminating, and the like to the important rocket-borne device can be realized before the rocket is launched, the rocket-borne control part can realize thrust adjustment control according to control requirements after the rocket is started, and liquid propellant main road and side road channel valves are controlled according to the control requirements to clear residual propellant in a channel after the flight mission is finished. Meanwhile, real-time data acquisition and recording on parameters for reflecting working conditions of a solid-liquid rocket engine are carried out by the rocket-borne control part in the entire flight process.

The invention relates to a laser binocular vision-based vehicle running deviation online automatic detection system. According to the technical scheme, a first photoelectric switch and a second photoelectric switch are arranged on the left sides of destinations of a test preparation area (7) and a test area (9); a first detection device (2) and a second detection device (5) are correspondingly arranged above the destinations of the test preparation area (7) and the test area (9); a first charge-coupled device (CCD) image sensor (13) and a first large-field of view laser light source (11) of the first detection device (2) are arranged at a bottom plate of a first temperature control box (14); the structure of the second detection device (5) is the same as that of the first detection device (2); a computer (18) is connected with the first CCD image sensor (13) and a second CCD image sensor (15) through network cables; a first photoelectric tube (1) is connected with the first CCD image sensor (13); a second photoelectric tube (4) is connected with the second CCD image sensor (15); and the computer (18) is provided with vehicle running deviation online automatic detection system software. The influence of a measurement environment is eliminated, and the measurement accuracy can be improved.

The invention discloses a method of automatically generating a parameter configuration file for an LTE (Long Term Evolution) system. The method comprises the steps of: obtaining a message parameter set in a test case; parsing a current message parameter; generating a parameter configuration item of the current message parameter when the current message parameter is of a composite type, writing the parameter configuration item into the current parameter configuration file, then traversing sub-nodes of the current message parameter to respectively generate parameter configuration items of the sub-nodes, and writing the parameter configuration items of the sub-nodes into the current parameter configuration file orderly; and generating the parameter configuration item of the current message parameter when the current message parameter is of a simple type, and writing the parameter configuration item into the current parameter configuration file. According to the method of automatically generating the parameter configuration file for the LTE system, the parameter configuration file required in a consistency protocol test process of the LTE system can be generated so that the work load of testing personnel is reduced and the test preparation time is shortened so as to accelerate the test progress. The invention further discloses an LTE consistency protocol test method.

The invention relates to the field of simulated loading control of load applied on numerically controlled rotary tables, in particular to a working condition-simulating numerically controlled rotary table test-bed loading control system and a control method. The working condition-simulating numerically controlled rotary table test-bed loading control system is characterized in that the working condition-simulating numerically controlled rotary table test-bed loading control system comprises a hydraulic loading system for simulated static load, an excitation system for simulated dynamic load and a simulated loading control system. The working condition-simulating numerically controlled rotary table test-bed loading control system and the control method can truly simulate static load applied on a numerically controlled rotary table by a workpiece to be machined under various working conditions and dynamic load applied on the numerically controlled rotary table by different models of machine tools in the process of machining, provide the design, production and optimization experiment and research of numerically controlled rotary tables with beneficial references and first-hand data and help to increase the precision and rigidity of numerically controlled rotary tables; the whole loading control system is easy to implement and convenient and easy to operate, the test preparation period in need is short, and the test cost is low.