36results about How to "Raise the level of testing" patented technology

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 discloses a method for measuring a property of an anchoring. The method comprises the following steps of carrying out anchoring on an anchor rod at a surrounding rock, fixedly arranging a force applying device on the anchor rod, enabling a detecting device to arrange on one side of the force applying device, wherein the detecting device comprises a first rod body, a first displacement sensor and a second displacement sensor, the vertical axis of first rod body is parallel to that of the anchor rod, one end of the first displacement sensor is fixedly connected to the first rod body, the other end of the first displacement sensor is connected to the anchor rod, one end of a second sensor is fixedly connected to the first rod body, and the other end of the second sensor is connected to an anchor rod supporting plate; gradually applying pulling force on the anchor rod through the force applying device, and detecting and recording the size of the pulling force applied by the force applying device through a pressure sensor; and detecting and recording the displacement generated by the force applying device through being relative to the first rod body under a gradually applying pulling force action by using the first displacement sensor, and detecting and recording the pressing displacement of the anchor rod supporting plate through being relative to the first rod body to the surrounding rock by using the second displacement sensor. The method provided by the invention has the advantages that the operation is simple, the accuracy is high, and the automation degree is high.

The invention provides a wind generating set master control system and a motor-driven pitch changing system testing device, and relates to the field of wind motors. A pitch changing device comprises a pitch changing motor, and a load control device comprises a loading motor. An upper computer is connected with the pitch changing device and the load control device through a master control wind wheel simulation device, the pitch changing motor is connected with the loading motor through a shaft, the upper computer sends signals, such as a wind speed signal and a wind direct signal, which meets wind speed and wind direction requirements of a draught fan to a draught fan master control PLC through the master control wind wheel simulation device, simultaneously sends a wind load signal to the load control device, and exerts torque on an output shaft of the pitch changing motor through the loading motor. The wind generating set master control system and the motor-driven pitch changing system testing device have the advantages that the draught fan master control PLC and the pitch changing device respectively form a closed loop, coordination control can be conducted, a tester can input different models according to different working conditions on spot and conduct various performance tests on master control and pitch changing, and therefore test level in a factory and product adaptability are improved.

The invention discloses a software development capability and test capability analysis method and device, and the method comprises the steps: designing a development capability evaluation task and a test capability evaluation task according to a project demand; obtaining development ability evaluation task completion information and test ability evaluation task completion information of a to-be-tested person; calculating a development ability score of the to-be-tested person according to the development ability evaluation task completion information and calculating a test ability score of theto-be-tested person according to the test ability evaluation task completion information; and calculating a Pearson correlation coefficient according to the development ability score and the test ability score, and analyzing the development ability and the test ability of the to-be-tested person according to the Pearson correlation coefficient. The invention provides the software development capability and test capability analysis method and device, and aims to solve the technical problem that the development capability and the test capability of the to-be-tested person cannot be accurately analyzed due to the fact that code development and code test cannot be converted into corresponding capabilities and association analysis cannot be performed in the prior art.

The invention discloses a simulation test method and system for massive measurement data. The method comprises a step of determining the number of virtual power distribution terminals and connecting all virtual power distribution terminals to a tested master station based on the quantity of measurement data to be generated, a step of grouping each virtual power distribution terminal and controlling the virtual power distribution terminals in each group to simulate distribution network operation data to generate the massive measurement data, and a step of allowing each virtual power distribution terminal to parallelly upload the massive measurement data to the tested master station and generating a performance analysis result of the tested master station. According to the invention, the distributed packet data management is applied to the virtual power distribution terminals, the massive measurement data is generated, the tested master station is parallelly visited through multiple threads, the test level of a master station system and test work efficiency can be greatly improved, and a standardized, scientific and real test result can be provided for test evaluation.

The invention discloses an automatic LED (Light-Emitting Diode) feature parameter collecting system. The automatic LED feature parameter collecting system is used for collecting feature parameters ofan LED sample, and comprises an LED testing mechanism, a control module, an implementing mechanism, a detecting module, a storing module, a displaying module and a power module, wherein the LED testing mechanism comprises a testing rack which is placed horizontally, and a mechanical arm which is arranged on the testing rack; the power module is used for supplying power to the LED sample; the LED sample is placed on the testing rack; the mechanical arm is used for detecting the feature parameters of the LED sample by driving the detecting module through a rotation operation and a telescopic operation; the testing rack is provided with a short-circuit mechanism on the LED sample side; and a short circuit mechanism is suitable for the short circuit of the LED sample. The automatic LED featureparameter collecting system has the advantages of simple structure, reliable and stable control mechanism and action mechanism, capability of eliminating the accumulation error, and accurate and durable testing, and is beneficial to popularization and application.

The invention discloses a testing device and method based on a domestic multi-unit server management unit. The testing device comprises a testing board and test accompany equipment, wherein a high-speed connector is arranged on the testing board, and the testing board is butt-jointed with a corresponding high-speed connector of the multi-unit server management unit through the high-speed connector, so that the testing board can acquire or provide a multi-channel in-situ signal, a multi-channel VGA signal, a multi-channel USB signal, a multi-channel network signal, an exchange unit CPU card network signal and an exchange unit BMC network signal; the full-functional test can be performed on the multi-unit server management unit by the aid of the test accompany equipment. A complete, efficient and rapid functional testing method is provided for the domestic multi-unit server management unit, tedious operations for testing the multi-unit server management unit are greatly simplified, and the testing efficiency and the testing level are greatly increased.

The invention relates to a multi-dimensional automatic loading fatigue testing machine for a bearing. A tested bearing loading device is arranged on a test bench; a bearing seat used for installing atested bearing is arranged in the tested bearing loading device, two ends of the tested bearing loading device are connected with a servo electric cylinder radial loading mechanism, one side of the tested bearing loading device is connected with the servo electric cylinder axial loading mechanism, the other side of the tested bearing loading device is connected with a tested bearing driving mechanism, tension and pressure sensors are respectively arranged in the servo electric cylinder radial loading mechanism and the servo electric cylinder axial loading mechanism, and a torque sensor and anangle sensor are arranged in the tested bearing driving mechanism; the tension-pressure sensor, the torque sensor and the angle sensor are connected with a measurement and control instrument; the measurement and control instrument is connected with the servo electric cylinder radial loading mechanism, the servo electric cylinder axial loading mechanism and the tested bearing driving mechanism through drivers and is used for controlling and driving the loading of the servo electric cylinder radial loading mechanism and the servo electric cylinder axial loading mechanism, realizing automatic axial and radial loading and various load loading forms, and automatically reading a load spectrum and various load test information.

The invention discloses a full-automatic indentation measuring device and method. The device comprises an electric objective table, an image capturing module and an operation processing module. The electric objective table and the image capture module are connected with the operation processing module; the electric objective table is used for placing an object to be measured; the image capture module is used for acquiring an image of a to-be-measured object placed on the electric objective table and transmitting the image to the operation processing module; and the operation processing moduleis used for processing the image acquired by the image capture module, controlling the electric objective table to horizontally move so as to enable the surface of the object to be measured to be located in the field of view of the image capture module, controlling the electric objective table to lift so as to enable the surface of the object to be measured to be located on the focusing surface ofthe image capture module, and solving surface indentation data of the object to be measured. The device is simple and convenient to use and operate and high in measurement precision.

The invention discloses a method for designing an anti-collision software test scene of an airborne anti-collision system in a system test, and the method comprises the steps: 1, obtaining the constitution and operation mode of the anti-collision system, and constructing a software system-level test environment; 2, decomposing input data in the standard test scene description file, and extracting effective information; according to system functions and internal and external interface information, anti-collision software input information is migrated from an internal interface to an external interface, so that the anti-collision software input information meets software system-level test input requirements; s-mode responder DF message information, ground station UF message information and local information are constructed; and step 3, applying the constructed test data to the constructed software system test environment, outputting a traffic decision alarm result by using a traffic/decision display and an alarm loudspeaker, comparing the result with a simulation output result, and verifying whether the standard test scene can pass the software system test. According to the method, the test scene of the anti-collision software is described based on the DO-185A standard, and the software test level is improved.

The invention discloses an aircraft surface pressure sensor testing device and method. The aircraft surface pressure sensor testing device comprises an aircraft body, a pressure sensor, an airborne telemetering system, a ground telemetering system, a ground testing system, a pressure loading device, a standard barometer and a stopwatch timer. The standard barometer measures ambient atmospheric pressure; the ground testing system powers up the aircraft body and sets an aircraft testing mode; the ground telemetering system receives aircraft telemetering data and records a measurement value of the surface pressure sensor; whether the measurement data is normal or not is judged; a rated pressure output value of the pressure loading device is set, a loading experiment is carried out on the surface pressure sensor, a sensor measurement value at the beginning of loading of the surface pressure sensor and a sensor measurement value at the end of loading are recorded, loading time is recorded by using the stopwatch timer, and fault diagnosis is carried out on the surface pressure sensor. A preliminary diagnosis rule of sensor fault information is given, and a convenient and rapid surface pressure sensor function test can be realized.

The invention discloses an aircraft surface temperature sensor test system and test method. The aircraft surface temperature sensor test system comprises an aircraft body, a surface temperature sensor, an airborne telemetering system, a ground telemetering system, a ground test system, a temperature loading device, a standard thermometer and a stopwatch timer. According to the invention, the performance of the surface temperature sensor is respectively tested through a static test and a loading test, the static test is used for interpreting the deviation between the measured value of the surface temperature sensor and the ambient temperature, and the loading test is used for judging whether the data of the surface temperature sensor is normal or not under a load condition; and the problemsthat the correctness of the functions of the aircraft surface sensor and the data acquisition system cannot be verified, and the reliability of the surface pressure sensor system cannot be verified after the aircraft is stored and transported are solved, the surface temperature sensor is used as a subsystem of the whole aircraft for testing, the test operation is simple, the data is clear and reliable, the judgment standard is clear, and the test level of the aircraft sensor system is significantly improved.

The invention provides a method for testing the performance of a Purlley four-way type HCA card. By conducting coordinative optimization on the stability of a test system and the performance of the HCA card, stable output of the performance in the HCA card test process is ensured, and the reliability of the HCA card performance test is improved. Thus, test time is indirectly shortened, test time investment is reduced, test efficiency is improved, great convenience is provided for test engineers, and repeated validation and the unreliability of data are avoided.

The invention discloses an electric porcelain insulation electric shock test system based on big data, which comprises a test login unit, an external voltage input unit, a data acquisition unit, a test mode management unit, a data storage unit and a display unit. By arranging the test mode management unit, different test methods are adopted for different types of to-be-tested electric porcelain; the problem that pertinence is insufficient when different electric porcelains are tested is avoided, the different using environments of different electric porcelains are considered, pertinence testing is carried out, the electric porcelain test standard is effectively refined, the test guarantee is improved, the test number of times needed by test personnel is calculated by arranging the test login unit, errors generated by testers of different levels on the electric porcelain test result are avoided, the testers are supervised and urged to improve the self test level, the electric porcelain test accuracy is further improved, and the yield is guaranteed.