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 present invention discloses a software testing quality evaluation method, which aims to provide an evaluation method for controlling and evaluating different evaluation items at different stages, so as to improve software quality. The method disclosed by the present invention is implemented by means of the following technical scheme: at different stages of a test, a quantized software testing quality mathematic evaluation model is established for six evaluation items, i.e. case design effectiveness, test standardability, customer satisfaction, a defect detection rate, software use quality and an organization asset contribution degree; evaluation activities comprise evaluation planning, basic evaluation, extension evaluation and overall evaluation, wherein the basic evaluation comprises four basic evaluation items: the case design effectiveness, the test standardability, the customer satisfaction and the defect detection rate, the extension evaluation comprises two addition / subtraction evaluation items: the software use quality and the organization asset contribution degree, and a score of the overall evaluation is obtained after a sum of weighting accumulation of scores of all the basic evaluation items is subtracted by a score of the software use quality firstly and then adds a score of the organization asset contribution degree, and finally the overall evaluation is performed.

The invention discloses digital substation testing simulation method. In the method, an IEC61850 standard digital dynamic testing simulation technology-based substation system testing method is adopted, namely a substation simulation model is established, and the actual motion is simulated for system closed-loop testing so as to detect the dynamic characteristics of a device to be detected. For the integrated design of the system, a frame structure consisting of a PCI board card and a multi-CPU desktop is adopted, and a system simulation testing device consisting of the multi-CPU desktop, a PCI bus-based IEC61850 communication card and a small signal and switching value interface card is established, wherein the multi-CPU desktop is a system control platform, and is used for performing processing such as drawing, simulation computation, man-machine interaction and the like; the PCI bus-based IEC61850 communication card provides a plurality of optical Ethernet ports to connect a plurality of protective devices and control equipment; and the protective devices receive MU data of the communication card, and the generated information such as switch position change and the like is returned to the desktop through the communication card to participate in electromagnetism transient calculation for the simulation model.

The invention belongs to the field of application of agricultural machinery and discloses a comprehensive field test device for agricultural machines. The comprehensive filed test device comprises a connection plate connected with an agricultural machinery power mechanism, a mounting plate connected with the connection plate, and a torque and rotation speed sensor connected with the rear power output shaft of the agricultural machinery power mechanism, wherein a tension sensor is arranged between the connection plate and the mounting plate; both the torque and rotation speed sensor and the tension sensor are connected with a data acquisition module; and the data acquisition module is connected with a computer. According to the invention, an advanced sensor technology and an automatic test technology are adopted, and an agricultural machinery farm working parameter measurement and control system with uniformity is constructed, so that real-time acquisition and storage of multiple parameters of the agricultural machinery can be realized. By utilizing the comprehensive field test device, the test level on the working parameters of suspension agricultural machineries is enhanced, the development period of a test system is shortened and the test efficiency is improved; and the comprehensive agricultural machinery farm test device has the advantages of high uniformity and high interchangeability.

The invention discloses a simulation testing system and method for transformer substation relay protection. The simulation testing system comprises a computer control system, a data communication system and a tested device, wherein calculation and output are separated by arranging a calculation module on the computer control system and arranging a real-time output module on the data communication system, time marks are marked on data after the data are calculated through the calculation module so that the real-time output module can receive the calculated data with the time marks in advance and output the data to the tested device according to the time marks on time, and when a circuit breaker trip signal and a circuit breaker switching signal are received, the available time of the calculation module for calculating a new admittance matrix and calculating the data produced when the structure of the system suddenly changes can be greatly prolonged, the requirement for hardware performance is lowered, cost is reduced, and instantaneity is 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 ship-borne sonar target echo simulation method. The method is characterized by including following steps: step 1, setting target parameters including target distance, orientation, radial navigational speed, number of channels of a receiver array and position information of the channels, and storing the set target parameters in a high-speed operation processing unit; step 2, outputting emitting signals and triggering signals by a sonar emitting signal source, and respectively connecting the emitting signals and the triggering signals into a high-speed analog-digital conversion circuit and a triggering circuit; receiving the emitted triggering signals by the triggering circuit, triggering the high-speed analog-digital conversion circuit to collect the emitted signals to acquire signal data, and sending the signal data together with triggering signal data into the high-speed operation processing unit. By the method, laboratory testing of ship-borne sonar target echo simulation is realized in actual application, testing adaptability of a multi-sonar system is improved, testing level of ship-borne sonar equipment of China is improved, and technologic upgrading of scientific research, testing, debugging and inspecting of domestic sonar systems is promoted.

The invention discloses an intelligent networked automobile complex test scene implementation system based on digital twinning. The system comprises a cloud control system, a real world and a virtualworld, the real world and the virtual world are in interactive connection, the real world comprises a real road, a tested vehicle running on the real road and a dynamic traffic element, the virtual world comprises a twin road, and the cloud control system comprises a dynamic updating module; the system comprises the steps of determining a required dynamic traffic element and a target motion trackthereof based on the twin road and the test scene; taking the target motion trail of the dynamic traffic element as a control target, and respectively generating a tested vehicle control instruction and a dynamic traffic element control instruction through coordination control calculation based on the real-time state of the tested vehicle and the real-time state of the dynamic traffic element output by the dynamic updating module; according to the invention, a complex test scene can be rapidly and efficiently realized, the test efficiency is improved, the whole realization process of the testscene is controlled with high precision, the repeatability of the test scene is good, and the test level is 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 relates to the technical field of coal mining, and in particular relates to a testing device and a measuring method for the anchorage performance of a coal and rock mass in a coal mine tunnel. The testing device comprises a force applying device, a forcemeter, a first displacement sensor, a first anchor rod and a second anchor rod, wherein the first anchor rod and the second anchor rod are fixedly anchored on the coal and rock mass in the coal mine tunnel; the force applying device and the forcemeter are arranged on the first anchor rod; the force applying device is used for applying a drawing force on the first anchor rod; the forcemeter is used for detecting the magnitude of the drawing force of the force applying device to the first anchor rod; one end of the first displacement sensor is fixed on the first anchor rod while the other end of the first displacement sensor is fixed on the second anchor rod; and the first displacement sensor is used for detecting the displacement of the first anchor rod relative to the second anchor rod under the drawing force of the first anchor rod applied by the force applying device. The device and the method have the beneficial effects that a stably-positioned reference point is obtained in the coal mine tunnel, so that a relation curve between the drawing force and the displacement of the anchor rod can be obtained by measuring multiple groups of drawing forces and the displacements of the anchor rods on the basis of the reference point. Thus, the foundation for further understanding the anchorage performance of the coal and rock mass and carrying out the supporting design on the anchor rods is laid.

The invention relates to a novel loading experiment device for a numerical control turntable, which comprises a workbench and an electric control cabinet. An X-axis box body and an angle rotating and measuring mechanism are arranged on the workbench; an X-axis linear motion pair is installed on the X-axis box body; the X-axis box body is connected with a Y-axis box body through a guide rail; a Y-axis linear motion pair is installed on the Y-axis box body; a Y-axis support plate I is connected with the Y-axis box body through a Y-axis linear motion pair; a hydraulic oil cylinder is installed on the Y-axis support plate, and Z-axis feeding is realized through the hydraulic oil cylinder; the hydraulic oil cylinder is connected with one end of a force sensor; the other end of the force sensor is connected with a loading connection rod; the loading connection rod is in contact with a measured turntable; and the force sensor is connected with the electric control cabinet through a line. The novel loading experiment device is suitable for numerical control turntables with various types and models and can also load at any position of the numerical control turntable to obtain more complete experimental data. The novel loading experiment device has the advantages of simplicity in operation and adjustment, accurate loading experiment results, and flexible and diversified test modes and methods.

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 a software development ability and testing ability analysis method and device. The analysis method includes: designing development ability evaluation tasks and testing ability evaluation tasks according to project requirements; acquiring development ability evaluation task completion information and test ability of the subject to be tested Evaluate the task completion information; calculate the development ability score of the testee according to the completion information of the development ability assessment task and calculate the test ability score of the testee according to the completion information of the test ability assessment task; calculate the Pearson correlation coefficient according to the development ability score and the test ability score , according to the Pearson correlation coefficient to analyze the development ability and testing ability of the testee. The present invention provides a software development ability and test ability analysis method and device to solve the problem that the prior art cannot convert the development code and test code into the corresponding ability and carry out correlation analysis, resulting in the inability to accurately analyze the development ability and test ability of the person to be tested. Technical issues of capacity.

The invention discloses a design method for the anti-collision software test scene of the airborne anti-collision system in the system test. Step 1 obtains the composition and operation mode of the anti-collision system, and constructs a software system-level test environment; Step 2 decomposes the standard test scene description file. Input data and extract valid information; migrate the input information of the anti-collision software from the internal interface to the external interface according to the system function and internal and external interface information, so as to meet the software system-level test input requirements; construct the S-mode transponder DF message information , ground station UF message information and local machine information; Step 3 applies the test data constructed on the built software system test environment, utilizes the traffic / decision display and the warning loudspeaker to output the traffic decision warning result, and compares the result with the simulation output The results are compared to verify whether the standard test scenario can pass in the software system test. This method is based on the test scene description of the anti-collision software in the DO-185A standard, and improves the level of software testing.

The invention provides a multi-medium combined heat exchanger test bed. The multi-medium combined heat exchanger test bed comprises an intercooler test bed, and a water / oil heat exchanger test bed, wherein the intercooler test bed comprises an air heating system, an air circulation system, an intercooler test bed wind tunnel system, a specimen, a measurement instrument and pipelines; the water / oil heat exchanger test bed comprises a water circulation system, an oil circulation system, a heat supply system, a water / oil heat exchanger test bed wind tunnel system, a specimen, a measurement instrument and pipelines; and the intercooler test bed and the water / oil heat exchanger test bed are connected with each other through the pipeline and are controlled by a monitoring system. The multi-medium combined heat exchanger test bed can meet the requirement for performance testing of various types of heat exchangers, and can improve the single test mode of the original parts to the synchronous comprehensive test mode of the parts and the system, thereby further improving the design strength and the design level of heat radiation systems for the military special vehicles, other vehicles and engineering machines.

The invention discloses a simulation testing system and method for transformer substation relay protection. The simulation testing system comprises a computer control system, a data communication system and a tested device, wherein calculation and output are separated by arranging a calculation module on the computer control system and arranging a real-time output module on the data communication system, time marks are marked on data after the data are calculated through the calculation module so that the real-time output module can receive the calculated data with the time marks in advance and output the data to the tested device according to the time marks on time, and when a circuit breaker trip signal and a circuit breaker switching signal are received, the available time of the calculation module for calculating a new admittance matrix and calculating the data produced when the structure of the system suddenly changes can be greatly prolonged, the requirement for hardware performance is lowered, cost is reduced, and instantaneity is improved.

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.

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.