461results about How to "Test stable" patented technology

A method, apparatus and program product include an Automatic Testing System for creating a test framework for testing operating system components. The Automatic Testing System resides on a server and includes a master driver which assists in creating test cases and scenarios. The Automatic Testing System issues commands to distribute execution to one or more remote client machines in a cluster through, for instance, an external remote shell program. Results of the command are retrieved, as though it was invoked on the machine directly. The logic and parameters needed to run the test scenarios are stored in a database accessible on the web, and test results are compiled and stored in the database to be sent to any designated test customer.

The present invention discloses a method for detecting corona discharging and a device thereof. The method includes steps as follows: A. ultraviolet imagery instrument image-forming; B. collecting the image-forming data to a computer through an image collecting card; C. processing through an image processing program: processing data collected by an image collecting module through the image processing program, the image processing includes: intercepting picture in the video, extracting image, processing image layer extractor to the image, spatial filtering processing, then valve quantity, stating an irradiancy area and a total area in the image, then comparing and obtaining the irradiancy area ratio, finally, obtaining the irradiancy area ratio for characterizing corona strength which includes: a ultraviolet imagery module, an image collecting module, an image processing module, a display module, the image collecting module connects with the ultraviolet imagery module and the image processing module, the image processing module connects with the image collecting module and the display module respectively. The device has simple operation, stable testing and reliable data which can provide direct and obvious data for user.

There are provided a pair of contacts which are housed in a hole portion formed in an insulation member, to be brought into contact with two connection objects, a conductive member provided on an internal circumference surface of the hole portion, and a resilient member which urges the contacts outwards and is deformed due to the urging of the contacts to electrically connect the contacts to the conductive member, wherein the connection objects are pressed to be in contact with the two contacts, thus bending the resilient member, so that the contacts are brought into contact with the conductive member at fixed positions to thereby ensure a stable electrical connection between the two connection objects.

A blood inspection device using laser as puncture means. The blood inspection device has an electric power source control circuit for controlling electric power supply of an electric power source section including an electric power source for driving an electric circuit for measurement and also including an electric power source for driving a laser emission device. When a battery is used as the electric power source, the circuit measures the remaining level and voltage of the battery to control the power source so that electric power shortage does not disenable measurement.

A magnetic rheology polishing solution rheology testing device comprises a computer, a bracket, a torque measuring device fixed on the bracket, a magnetic field generating device, a shearing mechanism and an actuating device, the torque measuring device, the magnetic field generating device and the actuating device are connected with the computer, the shearing mechanism arranged in the magnetic field generating device comprises a shearing ring and a fixed ring, the shearing ring is fixed on the upper side of the fixed ring, the shearing ring and the external circumference on the fixed ring are respectively arranged with a shearing ring edge and a fixed ring edge which have a certain height, a liquid storing groove which is used for storing the magnetic rheology polishing solution is formed between the shearing ring edge and the fixed ring edge, the upper side of the center of the shearing edge which is discal is arranged with a rotation axis connected with the actuating device, and the lower side of the center of the fixed ring is arranged with a connecting axis connected with the torque measuring device. The invention has the advantages of simple and compact structure, low cost, convenient controlling, stable testing, high precision and the like.

Disclosed is a micro-field-of-view bilateral dynamic in-situ micro-torsion material mechanical property tester. The tester comprises a base, a direct-current servo motor, a transmission, elastic couplings, two spindles and clamps. The tester is characterized in that the transmission is provided with a left bilaterally-through output shaft and a right bilaterally-through output shaft, the left spindle and the right spindle are arranged on the base oppositely, axes of the two spindles are on a same straight line, each spindle is provided with the corresponding lamp, a torque sensor, a flange, a reading head connector, a circular grating reading head and a circular grating sequentially from front to back, and the rear end of each spindle is connected with the corresponding output shaft trough a transmission gear to acquire torque. The tester is compact in structure, small in size, controllable in angular strain rate and convenient to operate, has good use compatibility with imaging apparatuses and can perform whole-process all-round in-situ monitoring on micro deformation, damage and breakage processes on materials, and a novel testing instrument and method is provided for revealing mechanical properties and damage mechanisms of the materials in micro-nano scale.

The invention relates to modem automation testing method and testing system. The method includes the following steps that connecting the modem to the circuit simulator and the correlative testing device to form a testing environment and open the corresponding communication control port; controlling the circuit simulator and simulating the given distance and the noise environment; controlling the tested device to do testing operation and extract the performance testing result from it. The invention combines the circuit simulator, the operation of the DSLAM device and the testing data extracting to a automation script running to avoid great hand operation, realize the adding-distance adding-noise automation testing of the modem.

The invention relates to the technical field of hydraulic test equipment, in particular to a multifunctional hydraulic comprehensive test bench, comprising a platen. A groove is formed on the upper surface of the platen. A first bearing is though provided on the middle of each of the two sides of the inner wall of the groove. An adjusting rod is rotationally provided between the two first bearings. A pressure sensor is fixedly mounted at each of the four corners of the upper surface of the movable plate. A supporting plate is fixedly mounted on each of the two ends of one side of the upper surface of the platen. A top cover is fixedly mounted on the upper end of each of the supporting plates. A hydraulic push rod is fixedly mounted at the middle of the lower surface of the top cover. A pressing plate is fixedly mounted at the lower end of the hydraulic push rod. Four positioning mechanisms are fixedly mounted on one side of the upper surface of the platen. A placing plate is fixedly mounted among the four positioning mechanisms. A mounting groove is formed on the upper portion of one side of the fixed block. A second sliding groove is fixedly mounted on each of the two sides of theinner wall of the mounting groove. According to the multifunctional hydraulic comprehensive test bench, a test piece can be fixed and adjusted, the operation is simple, the use is convenient and thepracticability is high.

The invention relates to a plating surface wear resistance tester, which comprises a sample carrying platform, a grinding mechanism, a driving mechanism and a limiting connector, wherein the grinding mechanism is arranged above the sample carrying platform by a support and comprises a sleeve which is arranged on the support and a grinding head and a weight which are arranged on the sleeve; the weight is arranged above the grinding head and adds a load onto the grinding head; the driving mechanism drives the sample carrying platform or the grinding mechanism to do reciprocal movement so that reciprocal sliding friction is generated between the grinding head and a sample to be tested; the lower end of the weight is provided with a fixed rod, and the upper end of the sleeve is suitable for the fixed rod to be inserted into; the lower end of the sleeve is suitable for the upper end of the grinding head to be inserted into; a shock absorbing device is arranged between the upper end of the grinding head and the fixed rod; and the limiting connector is used for connecting the fixed rod and the grinding head to the sleeve respectively and allowing the fixed rod and the grinding head to make up and down displacement along the axial direction of the sleeve. The plating surface wear resistance tester can operate quietly in a test process and delivers an accurate test result.

The invention discloses a simulation test method and device of an automatic driving system and a storage medium, and is applied to the field of automatic driving. The method comprises the steps of obtaining a target test scene in the automatic driving system; adjusting the first control algorithm based on a preset decision to obtain a second control algorithm; further, performing at least two simulation tests in the target test scene based on a second control algorithm to obtain first test data and second test data; and comparing the first test data with the second test data to obtain a test result for indicating the consistency of the automatic driving system. Therefore, the stability consistency test process is realized, the variable parameters in the control algorithm are constrained, the interference of the control algorithm on the automatic driving system test is removed, and the accuracy of the test result is improved.

The invention relates to a metal oxide semiconductor field effect transistor on-resistance measuring method which comprises the following steps: sucking the back surface of a wafer through a chuck; connecting a low-potential excitation line and a low-potential detection line in a Kelvin test method to a source electrode of a MOS transistor to be tested, connecting a first high-potential excitation line and a first high-potential detection line in the Kelvin test method to a grid electrode of the MOS transistor to be tested, selecting another MOS transistor on the wafer as an auxiliary transistor, connecting a second high-potential excitation line in the Kelvin test method to the chuck, and connecting a second high-potential detection line in the Kelvin test method to a source electrode of the auxiliary transistor; and adding a break-over voltage between a grid electrode and the source electrode of the auxiliary transistor to enable the auxiliary transistor to be in an on state, powering on an on-resistance measuring circuit and measuring the on-resistance of the MOS transistor to be tested. Through a die compensation method, real Kelvin connection is realized, so that on-resistance of the MOS transistor can be measured stably and accurately.

The invention discloses a wire and cable torsional tensile testing machine, which comprises a column frame, a lifting module, a torsion module, a clamp, a cable fixing assembly, an electrical box and a programmable electrical control system, and guide rails are arranged on the column frame. The lifting module includes a lifting motor and a reducer, a driving sprocket assembly and a driven sprocket assembly; the torsion module includes a torsion motor, and the torsion motor is arranged on the top of the skateboard support frame; the lower end of the torsion motor is provided with a clamp. It includes a three-jaw chuck and a chuck gripper; the control system is arranged at the lower rear wall end of the column frame. The invention makes the wire and cable test more stable by setting the three-claw clamp, and accurately detects the on-off performance of the conductor when it is stretched and twisted by setting a perfect control system, provides effective power-off and overload protection, and makes the equipment work more efficiently. Precise and safe.

The invention relates to a calibration method of a quartz crystal microbalance, belonging to the technical field of aeronautics and astronautics. The method comprises depositing heavy metal gold at the surface of the quartz crystal microbalance by using a magnetron sputtering device; injecting an inert gas in a vacuum system; observing and recording the vacuum degree of a vacuum chamber; monitoring and storing the frequency value and the temperature value of the quartz crystal microbalance; monitoring and storing the S polarized light current and P polarized light current of ellipsometry system, and finally closing the testing system, closing the gas charging system of inert gas, and closing the vacuum system. The method improves the sensibility of precision measurement of the quartz crystal microbalance; the test procedure is stable and reliable, and has good replicability; an ellipsometry film thickness measuring apparatus is used for providing direct film thickness measuring method for the quartz crystal microbalance; and the method has high measuring accuracy, stable test procedure and good replicability.

The invention provides a tensile test device for tensile test of binding strength between an electronic component body and a pin. The device comprises a base, a push and pull dynamometer, a rack and a fixture. The base comprises a support frame and an installation part; the push and pull dynamometer is mounted on a mounting portion and contains an extension part; the rack is connected to the extension part, and is used for hanging the body and towards the exposed pin on the base; and the fixture is arranged on the base, right opposite to the rack and for clamping the pin. The invention can avoid electronic component body deformation caused by a known tensile test device and eliminate complex steps of welding and welding removal of the pin and a test wire, and can solve problems caused by component force in the test, thereby having the advantages of convenient operation, stable test process, improvement on test efficiency and reliability.

The invention discloses a measuring device of a blocking position of a gas pipeline. The measuring device comprises a gas tank, and a first Pt thermometer and an exhaust pressure-resistance valve are connected to the gas tank. The gas tank is connected with the gas pipeline through a pressure-resistance flexible pipe, a second Pt thermometer is arranged on the gas pipeline, and a first pressure-resistance valve and a second pressure-resistance valve are respectively arranged on the pressure-resistance flexible pipe. A pressure sensor is connected to the pressure-resistance flexible pipe between the two pressure-resistance valves. The invention further discloses a measuring method of the measuring device. The measuring method comprises the steps that firstly, the initial pressure and temperature of gas in the gas tank are measured; secondly, the initial pressure and temperature of gas in the gas pipeline are measured; thirdly, the two pressure-resistance valves are opened, the gas in the gas pipeline flows towards the gas tank, and the pressure and temperature of the gas in a balanced state are measured; fourthly, the two pressure-resistance valves are closed, and the exhaust pressure-resistance valve of the gas tank is opened to discharge the gas; fifthly, an algorithm module in a computer is utilized to obtain the blocking position of the gas pipeline. The measuring device of the blocking position of the gas pipeline and the measuring method of the measuring device can accurately determine the blocking position of the gas pipeline.

The invention relates to a multi-locomotive fixing and rolling test platform which comprises two or three test platforms. Each test platform comprises a pair of counter-force frames (1), an upper axle (2) and test unit groups, wherein the test unit groups comprise test units having same number with single locomotive wheel pairs (41). All the test units adopt the structure that shafts of a track wheel pair (43) for supporting the locomotive wheel pairs (41) are connected with shafts of winding asynchronous motors (36), and the diameter/length ratio of the winding asynchronous motors is larger than 1; stator windings of all the winding asynchronous motors (36) of each test unit group are connected with a power grid by a three-phase switch I (63) of a stator three-phase bus bar (53) of each asynchronous motor, and rotor windings are connected in parallel to a rotor three-phase bus bar (49) of each asynchronous motor; and the rotor three-phase bus bars of the asynchronous motors of all the test unit groups are connected by a breaker (62). The test platform carries out a mutual accompanying test by multiple locomotives and has reliable synchronization and convenient test and can form the mutual feedback of energy, reduce the capacity of a power supply and save energy sources and cost.

The invention discloses a method for measuring water content in crude oil. The method is specially implemented in the following steps of: step 1, using a scale to weigh a mass of a picknometer; and step 2, filling the crude oil into the picknometer, measuring a mass of the picknometer contained with the crude oil, and obtaining the water content in the crude oil by using a pure water and pure oil density combining formula. The method provided by the invention not only has the advantages of simple structural structure and accurate measurement result, but also is not limited by a water content range, an emulsification condition of an oil product, and a condition that whether the oil and the water are layered according to the principle that an oil density and a water density are different at the same temperature, and the principle of mass conservation.

This invention discloses a biosensor test strip that comprises a substrate, on which lies a conductive layer that contains a plurality of contact pads, check pads and reaction zones, which contains a plurality of working and reference electrodes, and on which the reaction reagent is deposited. The first contact pad is connected to the working electrode, while the second contact pad is connected to the reference electrode. Furthermore, this invention discloses a biosensor test strip for multiple tests on a single strip. The biosensor test strip includes a substrate with a plurality of incisions to divide the substrate into a plurality of individual test sections.

The invention discloses a dynamic characteristic on-line monitoring system in a motor starting process, comprising a power supply, a voltage regulator, a comprehensive test control cabinet, a tested motor, a transient torque, a rotating speed tester, a data collection and analysis device and a control platform. The power supply is an AC power supply; the voltage regulator alternatively regulate load voltage; the comprehensive test cabinet guarantees the stability of the load circuit; the transient torque and the rotating speed tester tests the transient torque and the rotating speed of the tested motor; the data collection and analysis device collects the test data, calculates and measures the energy consumption when the motor is started; and the control platform controls the system and obtains the result. The dynamic characteristic on-line monitoring system in the motor starting process can stably collect high speed data in the motor starting process, measures the energy consumption of the motor and saves the test cost.

The invention discloses a dry-hole pressure relief valve and a hydraulic fracturing crustal stress testing device, and relates to the technical field of rock mass engineering testing. A valve core of the dry-hole pressure relief valve is inserted in a valve cavity from the insertion end of a valve body, and one end of the valve core extends out of the insertion end; a plurality of pressure relief holes are formed in the end, away from the insertion end, of the valve body, the valve core is provided with a blocking part which can block the valve cavity, and the insertion end of the valve body is provided with a limit nut for limiting the length of the part, extending out of the valve body, of the valve core; the part, located between the blocking part and the limit nut, of the valve core is sleeved with a load-bearing spring; the dry-hole pressure relief valve is simple in structure and convenient to operate, and can effectively relieve pressure in a packer. A high-pressure pump of the hydraulic fracturing crustal stress testing device is communicated with the top end of a drilling hole, the bottom end of the drilling hole is communicated with the dry-hole pressure relief value, the end, extending out of the insertion end, of the valve core is communicated with a switching valve, and the switching valve is communicated with the packer. Through the adoption of the hydraulic fracturing crustal stress testing device, crustal stress tests can be conducted under the conditions of deep drilling holes and dry holes by using a hydraulic fracturing method, and the tests are stable.

The invention provides a system and a method for testing the performance of a copper core low-voltage cable after manufacturing and processing, and the system comprises a double-item detection mechanism, a single-item detection mechanism and a joint control mechanism. Since an existing cable mechanical performance testing device can only test the cable of one model and size, when mechanical performance testing is carried out on cables of different models and sizes, testing can be carried out only by replacing devices of corresponding models, and mechanical performance testing of the cables has limitation and is high in testing cost; and testing of the mechanical performance of the cables is divided into a plurality of specific small testing, and the existing testing device for the mechanical properties of the cable cannot meet the operation execution of various tests, is difficult to ensure the comprehensive detection of different mechanical properties of the cable, and cannot meet the strict test requirements of various properties of the cable after being manufactured and processed, and the like.

The invention discloses a pressurized grouting test device for rock specimens. The pressurized grouting test device comprises a specimen cavity and a grouting device communicated with the specimen cavity, wherein a pressure chamber cylinder is arranged at the transverse periphery of the specimen cavity; the left and right ends of a transverse side wall of the specimen cavity are fixed with the left and right ends of the pressure chamber cylinder, respectively; a gap is reserved between the middle of the pressure chamber cylinder and the middle of the transverse side wall of the specimen cavity and forms a pressure chamber; the transverse side wall of the specimen cavity is made of an elastic material; the pressure chamber is connected with a confining pressure pressurization device; one side of an axial direction of the specimen cavity is connected with an axial pressurization device. According to the test device, the test process is in fit with actual conditions on the site, the simulation process is accurate, and the practical value of the test is high.