58results about How to "Fast and Accurate Testing" patented technology

A system and method for debugging a program which is intended to execute on a reconfigurable device. A computer system stores a program that specifies a function, and which is convertible into a hardware configuration program (HCP) and deployable onto a programmable hardware element comprised on the device. The HCP is generated based on the program, specifies a configuration for the programmable hardware element that implements the function, and further specifies usage of one or more fixed hardware resources by the programmable hardware element in performing the function. A test configuration is deployable on the programmable hardware element by a deployment program, where, after deployment, the programmable hardware element provides for communication between the fixed hardware resources and the program. The program is executable by a processor in the computer system, where during execution the program communicates with the one or more fixed hardware resources through the programmable hardware element.

An exemplary embodiment of present disclosure illustrates a method for automatically testing communication functionality of a device under test (DUT). The method is adapted for driving and controlling at least an instrument to test communication functionality of a DUT through a computing device. The method includes steps described as follows establishing a communication functionality testing system and providing a user interface installed in the computing device, wherein the user interface includes a DUT selection window providing a plurality of DUT module selections; a testing menu window, providing various preset testing item selections; a selected test list displaying configurable sequence for the selected testing items of a specific testing task; a property table provides property and parameter configurations associated with a selected testing item; and a DUT and instrument configuration window for configuring hardware properties of the DUT and instruments as well as the calibration data of the instruments.

The present invention discloses a vehicle proportion relay valve detection device. The device is fixed at a test bed, and comprises a top cap D-1 fixing the proportion relay valve, a pedestal D-2, three bracing pieces Z-1, Z-2 and Z-3, a cylinder tool V-1 blocking the air inlet 1 of the proportion relay valve, a cylinder tool V-2 blocking the control port 4-1 of the proportion relay valve and a cylinder tool V-3 blocking the air outlet 2 of the proportion relay valve; each cylinder is provided with an end cap; and air is flown in from the air inlet of the cylinder to extend the end cap forwards connected with the cylinder to block the interface of the proportion relay valve. The present invention further provides a pneumatic circuit of the vehicle proportion relay valve detection device and a vehicle proportion relay valve detection method. The detection device is high in test efficiency and test precision. The fixed component structure is simple and practical and high in clamping precision.

The present invention relates to a power testing facility system of a train and a testing method using the same. In the present invention, there are provided a test bed for engaging a testing object, a DC power facility formed of a converter transformer and DC power converter, an AC power facility formed of a phase balancing apparatus, a voltage regulating transformer, and a power factor improving apparatus, a load facility formed of an induction generator and a bi-directional inverter, a measuring apparatus for measuring various characteristics of a propulsion apparatus, and a control apparatus for controlling the entire system. With the above elements, it is possible to implement a type test, a combination test and a train operation simulation test using a facility system adapted to test a power of a train. When selecting an instrument installed in a train, it is implement a desired reliability by testing a previously fabricated product. The facility is economically operated, and an operation cost is minimized. An easier maintenance is implemented. An electrical energy may be restored using a bi-directional inverter. A power loss is decreased. It is possible to prevent an indoor temperature increase.

The invention discloses a device and method for testing the liquid consumption of a hydraulic brake caliper comprehensive performance test bed. Rotational motion can be converted into linear motion by means of the device for testing the liquid consumption of the hydraulic brake caliper comprehensive performance test bed through a ball screw, the linear feeding amount is transmitted to a push rod of a clutch master cylinder, a testing assembly is simple in structure and is practical, and a servo motor which is connected with a speed reducer is connected with the ball screw simply and reliably through a coupler. A testing loading mechanism is simple in structure and high in precision and is provided with a zero setting device. A fixing assembly of the device for testing the liquid consumption is fast to use, accurate, simple in structure, accurate in positioning and convenient to position. According to the method for testing the liquid consumption of the hydraulic brake caliper comprehensive performance test bed, testing can be achieved fast, and the testing accuracy is high. By the adoption of the device for testing the liquid consumption of the hydraulic brake caliper comprehensive performance test bed, accurate testing data of liquid consumption can be provided for improved design. The method accords with the testing standard. By the adoption of the device for testing the liquid consumption of the hydraulic brake caliper comprehensive performance test bed, liquid consumption of a brake caliper can be tested highly efficiently, and the testing precision is high.

The invention discloses a screw pump oil production real-time monitoring device which is formed by electrically connecting a screw-pump oil production pump 1, a sensor 2, a signal processing circuit 3, a parameter setting circuit 4, a singlechip 5, a control circuit 6, a display 7, an upper computer 8, a data storage 9 and a printing output circuit 10. The screw pump oil production real-time monitoring device overcomes the defects of common single diagnostic methods such as a current method, a pressure keep-down method and a torque method, comprehensively monitors and diagnoses important parameters of the working condition of a screw pump, such as an oil pressure, a casing pressure, a voltage, a current and a torque, provides an effective means for scientifically and evaluating performance of the screw pump in time, and has the advantages of rapidness and accuracy for testing, visuality for displaying a test result, low testing cost and the like.

Detecting a leak from a site in a sealed system with a source of pressurized gas which is capable of passing through the site, a composition of matter which adheres to the surfaces of the system and which is capable of showing the presence of the gas escaping from the site. The method includes: injecting gas into the system to a pressure in excess of the surrounding pressure, and covering the external surface with the composition to identify the location of the site by the interaction of the escaping gas with the composition. The composition is foam that includes a surfactant which forms a least one bubble in the presence of escaping gas and an indicator which changes color in the presence of the escaping gas. The leak is an opening down to at least the size of a hole 0.001'' in diameter. A gas detector may also be used.

The invention relates to the technical field of gallium oxide monocrystal processing, and particularly discloses a method for rapidly and accurately determining a crystal axis orientation of gallium oxide monocrystals. The method comprises the following steps: S1, preliminarily judging (010) a crystal plane direction; S2, cutting the initial (010) crystal plane to obtain an S2.1 gallium oxide wafer; S3, determining an initial (010) crystal plane deflection angle by an X-ray diffractometer; S4, precisely cutting the (010) crystal plane to obtain an S4.1 gallium oxide wafer; S5, determining (100) and (001) crystal planes of the S2.1 gallium oxide wafer by a cleavage method; S6, determining the [010] crystal axis direction according to the traces of the (100) and (001) crystal planes of the S2.1 gallium oxide wafer; and S7, determining the directions of [001] and [100] crystal axes of the S2.1 gallium oxide wafer by using an X-ray orientation instrument. The method has the advantage thatthe gallium oxide crystal axis orientation in any unknown crystal direction can be rapidly and accurately determined.

The invention discloses an Ia type diamond color quick grading method based on a spectrum. The Ia type diamond color quick grading method based on the spectrum comprises that balanced compound light is emitted on a to-be detected diamond, and the compound light which is reflected through the to-be detected diamond is collected through an integrating sphere. After the light collected by the integrating sphere is split, a charge coupled device (CCD) detector is used for detecting so as to obtain a reflectance spectrum of the to-be detected diamond. After the reflectance spectrum of the to-be detected diamond is uniformized, a nitrogen absorption band is selected from the uniformized reflectance spectrum, and then the area of the nitrogen absorption band is calculated. Compared the area of the nitrogen absorption band with a standard threshold value file, the color of the to-be detected diamond is graded. According to the Ia type diamond color quick grading method based on the spectrum, the nitrogen absorption band is selected from the reflectance spectrum of the collected to-be detected diamond and the area of the nitrogen absorption band is calculated, then the area of the nitrogen absorption band is compared with the standard threshold value file, and so that the grading of the color of the diamond is achieved. The Ia type diamond color quick grading method based on the spectrum is simple in operation, quick and accurate in testing, high in consistency and capable of being widely used in the jewelry identification industry.

The invention discloses a tool for quickly testing electrical property of a power transformer. The tool includes a testboard support, wherein a test product placing area is arranged on the testboard support; a plurality of test probes are arranged above the test product placing area, and are electrically connected with a pneumatic device; the pneumatic device controls the test probes to move up and down; and the plurality of test probes are also connected with a digital display meter. The tool for quickly testing electrical property of a power transformer can solve the problems that if a meter pen is used manually to contact test points one by one to test the power transformer, the generated test time is long and an error in operation easily occurs, and can acquire a better test result of the a power transformer, and can be quicker and more accurate in testing the power transformer.

A testing device of a smart mobile device comprises a bracket base, a supporting rod, a placing frame of a mobile device, an X-axis telescopic module, a Y-axis telescopic module, a testing telescopic module, a control processing module and a computer device; according to the size of the smart mobile device and the software to be tested, testing coordinates and testing order shall be set on the computer device, and the computer device controls the X-axis telescopic module, the Y-axis telescopic module, and the testing telescopic module to test the software through the testing coordinates and the testing order; thus the software can be exactly and rapidly tested; the testing devices saves time and labor, and solves the problem of blind zone of development or time delay of development.

The invention discloses a method for testing S-shaped interference beams based on a frequency control array, comprising the following steps: S1. Selecting a radar test receiver according to the distribution position of a preset S-shaped interference beam in space of a frequency control array radar transmitter The placement point is the test receiving point; S2, make the frequency control array radar transmitter start to transmit signals, and make each test receiving point receive all the transmitted signal data of at least one preset transmission cycle through the test receiving point; S3 1. Determine the test data of each test receiving point according to the received transmission signal data; S4. According to the spatial position and test data of each test receiving point, draw the two-dimensional beam diagram of the frequency control array, that is, fit the S-shaped interference beam. The invention solves the problems of low practicability, low concealment, low test efficiency, high implementation cost and large capital investment existing in the prior art.