46results about How to "Comprehensive testing methods" patented technology

The invention discloses an automatic controller CAN (Controller Area Network) interface function test system and a test analysis method. The test system comprises a calibration unit, a CAN receiving and transmitting unit, a calibration control unit, a CAN receiving and transmitting control unit, a main test control unit and a main test control interface. The automatic CAN interface function test system provided by the invention can rapidly accomplish automatic test on hundreds of controllers, and obtain final the results of the test by a single operator in one to two hours, and has low requirements on the technical level of the operator. In addition, the test system can change an interface unit according to changes of the hardware of the calibration unit and the CAN receiving and transmitting unit, so that the test on different devices can be realized. The test method of the test system is comprehensive. a CAN bus can be divided into different test sections to be tested, and the system response situation also can be tested at the same time.

The invention discloses an aero-engine rotor-stator rubbing position identification method based on the application of cepstrum and belongs to the technical field of aero-engine fault diagnosis. According to the method, first, aeroengine case vibration acceleration signals of different rubbing positions of an aero-engine are obtained; next, by means of the cepstrum analytical method, Low-dimensional feature parameters are extracted, and training samples are formed; then, training is carried out on a training sample set by means of sorting algorithms, and a rubbing position sorter is obtained; last, rubbing positions are identified with the trained sorter. Only with an acceleration sensor, can rubbing positions of the aero-engine be effectively identified. Compared with the prior art, the method is simple and suitable for real-time diagnosis in the field.

The invention relates to preparation technology of a metal film, and discloses a new simple and convenient preparation method of a copper film. The invention effectively controls the magnitude of residual stress generated in the preparation process, thereby implementing preparation of the low-residual-stress copper film material. The method is applied to a magnetron sputtering coating device, and adopts radio-frequency magnetron sputtering to prepare the copper film. The magnetron sputtering coating device is provided with a magnetron sputtering chamber, and a magnetron sputtering target is arranged in the magnetron sputtering chamber. The method comprises the following steps: a. pretreating a substrate; b. putting the pretreated substrate in the magnetron sputtering chamber; c. vacuumizing the magnetron sputtering chamber; d. introducing high-purity argon into the magnetron sputtering chamber; e. regulating the radio-frequency sputtering power and gas pressure, and sputtering the magnetron sputtering target to form the copper film on the substrate; and f. after cooling the magnetron sputtering chamber, taking out the copper film sample, and carrying out residual stress testing.

The invention relates to a wearable massage manipulation measuring instrument, which belongs to the technical field of traditional Chinese medicine. The massage manipulation measuring instrument includes an A/D converter, a data processing module, a CPU control chip, a data storage module, a display module, a voice prompt device, and two mirror-imaged glove bodies. On the back, there are a plurality of mechanical sensors on the palm surface and the back of the hand respectively; due to the light and dexterous design of the force measuring device of the measuring instrument of the present invention, the operator's hands are liberated from the original fixed force measuring platform, It enables operators to perform manipulation operations on different objects, which increases its practicability. It is also possible to perform manipulation measurements on experimental animals, thereby providing a quantitative basis for manipulations in animal experiments in the field of massage.

The invention relates to a testing system and method of a high-voltage processing plate of a thyristor, which is used for solving the problem that an integral function test can not be carried out on each unit of a TE (Tangent Elevation) plate on the spot. The testing system provided by the invention can detect each functional module of the TE plate and judges whether each function of the TE plateis correct or not. The testing method provided by the invention comprises a power supply test, a gate pole triggering test, a negative rechecking signal test, a low-voltage triggering test and a high-voltage triggering (BOD (Biochemical Oxygen Demand) protection triggering) test of the TE plate. The invention provides a convenient, reliable and comprehensive testing method and enhances the operating stability of the TE plate after installation, thereby enhancing the operating reliability of the whole system.

The invention discloses a long core holder realizing multi-pairwise-point radial measurement. The long core holder comprises a holder barrel, a rubber sleeve, a core chamber bracket, a plug system, ameasuring system and a confining pressure pump, wherein an annular confining pressure cavity is formed between the holder barrel and the rubber sleeve and is wrapped by the rubber sleeve to form a core chamber, and the core chamber bracket is arranged at the bottom of the core chamber; the plug system comprises an inlet end plug and an outlet end plug located at two ends of the holder; the measuring system comprises insulating sleeves, saturation probes and radial measuring points; small holes are oppositely formed in the surface of the holder barrel in a radial direction; the insulating sleeves are matched with the radial measuring points, the saturation probes are arranged in the insulating sleeves and are connected with a long core after passing through the rubber sleeve, and the confining pressure pump is communicated with the confining pressure cavity through the pipe via an annular pressure hole in the holder barrel. The holder simulates formation conditions of oil and gas reservoirs, and can realize real-time measurement of multi-point radial resistivity, and the distribution position and law of residual oil in the core can be defined by detecting the resistivity change curve with an itinerant detector and a resistivity tester.

The invention discloses a hydro-static pressure experiment teaching device and a measuring method. The device comprises a bottom bracket and a device fixing plate, wherein an organic glass web is arranged in the device fixing plate, and airtight water tanks in symmetric distribution, movable water tanks and a pressure measuring pipe fixing system which are connected with each other are mounted onthe organic glass web; the movable water tanks are mounted on upper and lower sliding rails on the device fixing plate in a sliding manner, and a water inlet, an air vent valve and a water drain outlet valve are arranged on each closed water tank; by adjusting the movable water tanks to slide along the upper and lower sliding rails, the positive pressure or negative pressure condition between thesurface pressure P0 of the liquid of the closed water tanks and the atmospheric pressure Pa is realized; by observing the pressure measuring pipe fixing system, two methods are adopted for verifying the hydrostatics basic equation and measuring the pressure or vacuum value of any point in static water; and through the pressure measuring pipe fixing system, the weight gain or density of unknown liquid is measured, and thus the type of the unknown liquid is judged. The experiment device is diversified in function, diversified in testing method, and low in cost, and has a certain promotion value.

A method for real-time monitoring of remote equipment includes following steps: (1), establishing communication among remote automation combinations including a front-end launch control combination and a front-end data acquisition combination and a rear-end launch control combination positioned in a testing launch hall, and establishing communication between the rear-end launch control combination and a monitoring terminal; (2) dividing the communication among the remote automation combinations, the rear-end launch control combination and the monitoring terminal into at least a communication module and a function module, and establishing self-diagnosis processes corresponding to the communication module and the function module; and (3), gathering self-diagnosis data obtained during the self-diagnosis processes by the monitoring terminal, matching the self-diagnosis data with preset database configuration files, diagnosing out faults in real time, and automatically giving out fault solutions. Real-time monitoring and quick fault positioning of the preposed launch control combination and the preposed data acquisition combination which are positioned at a carrier rocket launch position and network passages connected with the preposed automation equipment can be realized in the testing control hall, so that system testing methods are enriched, and troubleshooting is more quick and convenient.

The invention discloses a user experience testing method based on the life cycle of a software product, which belongs to the technical field of software design and is a collection of a series of user experience testing methods combined with the software development stage in combination with the user experience testing of the software product life cycle. Including five methods that can be used for user experience testing of software products, namely expert evaluation method in the product design stage, usability test in the prototype development stage, usability test in the operable stage, national CE in the trial operation stage, and quantitative testing after launch There are supporting introductions and operating procedures for each method, so that user experience testing of software products can be conducted comprehensively, scientifically and systematically. The present invention increases the depth and breadth of testing from different perspectives through qualitative, quantitative and other multi-dimensional testing methods, increases the probability of discovering various user experience problems, and further ensures the user experience of products.

The invention discloses a mobile automated photovoltaic detection platform. The platform comprises a main control system, a constant temperature control system, a test system, an air purification system and a photovoltaic assembly loading and unloading device which are all arranged in the compartment of a mobile truck in an integrated manner; the main control system is provided with a main console and a power distribution cabinet, wherein the power distribution cabinet is used for supplying power to the constant temperature control system, the test system and the photovoltaic assembly loading and unloading device, and the main console is used for controlling the constant temperature control system, the test system and the photovoltaic assembly loading and unloading device; the constant temperature control system is used for adjusting the temperature of a test environment; the test system is used for performing performance tests on photovoltaic assemblies; and the photovoltaic assembly loading and unloading device is used for transferring the photovoltaic assemblies into or out from the detection platform. With the detection platform adopted, large-batch, diversified and systematic tests can be performed at the site of a power station, the accuracy of test results is increased, and test efficiency can be improved.

The present invention discloses an attack testing system of a precision time synchronization protocol (PTP) clock. The system comprises a PTP main clock connected with an interval timer and a PTP network switch; a bagging tester connected with the PTP network switch, the PTP network switch also being connected with a network damage device; the network damage device also connected with an under-test PTP slave clock; and the under-test PTP slave clock also connected with the interval timer, wherein the interval timer is used for receiving and calculating a difference value between pulses per second sent by the PTP main clock and pulses per second sent by the under-test PTP slave clock, and determining the anti-attack capability of the under-test PTP slave clock according to the difference value. Another attack testing system of a PTP clock and an attack testing method of the PTP clock are also provided. With adoption of the system and the method provided by the present invention, the anti-attack capability of the PTP clock can be tested and judged, the PTP clocks can be improved by researchers according to test results, and under attack risks are reduced.

The invention provides a thermal efficiency correcting method adopted when gas-fired condensing boiler water inlet temperature deviates from a designed value. Firstly, measured boiler thermal efficiencies of a boiler testing system are obtained, boiler thermal efficiency ratios are calculated, measured condenser thermal efficiencies are obtained, and the condenser thermal efficiency ratios are calculated; under the condition of multiple grades of condensers, each grade of condensers undergo testing and calculation according to the above steps, and condenser thermal efficiency ratios are obtained; the boiler measured thermal efficiency correction value of the boiler at one water feed temperature under one load condition is calculated as the formula shown in the specifications. The thermal efficiency correcting method adopted when gas-fired condensing boiler water inlet temperature deviates from the designed value solves the problem that correction conducted when the condensing boiler water inlet temperature deviates from the designed value generates influence on a type approval performance test of a new condensing boiler product, and the difference between the thermal efficiency ofthe condensing boiler product and the designed thermal efficiency can be accurately reflected.

The invention discloses a test device and a test method for a cooker ignition control board. The control module outputs a simulated flame combustion feedback signal to the flame detection feedback connection end of the tested cooker ignition control board by controlling a controlled simulated flame combustion feedback signal generation module, and then Use the ignition pin state detection module to detect whether the ignition control board of the cooking range under test can control the ignition pin to stop ignition after the gas is ignited successfully, and when the controlled simulated flame combustion feedback signal generation module stops the flame detection feedback to the ignition control board of the cooking range under test After the connection terminal outputs the simulated flame combustion feedback signal, the gas solenoid valve state detection module detects whether the ignition control board of the tested cooker can control the gas solenoid valve to close the valve and disconnect the connection after the gas flame is extinguished, which realizes the ignition of the tested cooker The safety inspection of the control panel eliminates the need to connect the gas solenoid valve to the gas pipeline during the test to achieve flame combustion and flame extinguishment, and the test is more convenient and quick.

The invention relates to a wireless network technology oriented to industrial application, in particular to a super-frame testing method for wireless network for industrial automation-process automation. The method is mainly used for testing whether a super-frame is configured correctly for equipment under test (routing equipment or field equipment) or not, and performing data forwarding according to correct super-frame information. In the method, the interference of factors such as environmental interference and clock shift on testing are considered fully, the time offset of the super-frame is estimated by a least square method, and the super-frame configuration of the equipment under test and an error of the super-frame are tested on the premise of not changing the function of the equipment under test and a communication mode, thereby achieving the effects of high efficiency, high accuracy and easiness in implementation.

The invention discloses a GMRP protocol performance test system in an intelligent substation. The system comprises a relay protection tester, an overcurrent instantaneous trip protection device, a bus/master transformer protection device, a first tested GMRP switch, a second tested GMRP switch and a data throughput tester. Moreover, the invention discloses a test method of the system. According to the method and the system, practical application is simulated in a true network; the test method is comprehensive and accurate; the function and performance of the GMRP network switches in the intelligent substation can be quantitatively checked; therefore, the switches are completed; the product quality is improved; and an effective detection method and a tool are provided for a special detection mechanism or a device manufacturer.

The invention discloses a test platform and a test method for a wind generating set control cabinet, and the platform comprises a power supply module which is used for supplying power to the tested wind generating set control cabinet and the test platform thereof; a PLC, communicated with the power supply module, the to-be-tested wind generating set control cabinet and the simulation test module, and used for communicating with the to-be-tested wind generating set control cabinet and performing online control; a simulation test module, used for simulating a wind field environment and comprising a yaw motor, an anemograph, a wind indicator, a rotary limit switch, a vibration sensor, a temperature sensor and a 4-20mA signal generator, and the wind field environment being simulated by rotating the anemograph, the wind indicator and the rotary limit switch and shaking the vibration sensor to test the control cabinet of the wind generating set; and a door plate indicating lamp and button module, communicated with the PLC so as to display the operation mode of the test platform and realize button control. According to the invention, a wind field operation state is simulated in a wind generating set control cabinet factory for testing.

The invention discloses a method for testing signal transmitting and receiving performance of a DSP (digital signal processor). The method includes a process of testing signal transmitting performance of the DSP and a process or testing signal receiving performance of the DSP. The method has the advantages of higher reliability, convenience and low cost as compared with the prior art, and particularly has the advantages that reliability of signal transmitting and receiving performance of the DSP is guaranteed by the comprehensive testing method; testing can be carried out anytime and anywhere due to the fact that devices for testing are simple and convenient; cost is low; and when applied to a telephone switchboard system, the method can provide effective tracks for solving the problem of calling fault and facilitates quick positioning and problem solving.