63results about How to "High degree of test automation" patented technology

A testing method transponder channel frequency response based on a vector network comprises the steps of (1), selecting a PNA-X-series vector network analyzer and a switching matrix with a vector network analyzer testing channel as testing equipment; (2), performing frequency scanning self-calibration on the vector network analyzer; (3), respectively calibrating an uplink testing channel and a downlink testing channel of the system by means of the vector network analyzer; (4), connecting the vector network analyzer with the switching matrix and a to-be-tested transponder, and constructing a testing channel; (5), setting related parameters in the vector network analyzer, finishing amplitude frequency characteristic measurement, outband inhibition measurement and group delay measurement through automatic controlling of the vector network analyzer, and simultaneously drawing a corresponding signal trace line; and (7), extracting testing result data of three testing items, and respectively deducing insertion loss and time delay of the testing channel, thereby obtaining a final channel frequency response testing result of the tested transponder.

The invention discloses a method and a device for testing an audio loop of a communication terminal, relates to the field of communication, and aims to solve the problem that the prior art cannot test the audio loop of the communication terminal with a relatively low cost, high quality and high efficiency. The method comprises the following steps that: a tested motherboard outputs two routes of audio signals; the tested motherboard outputs a switching signal to select a route of audio signal as a Mac input signal which is input to a Mac circuit to perform audio acquisition; the audio signal acquired by the Mac circuit is compared with a corresponding reference signal; and a test result is output according to the information obtained according to the comparison. The device comprises an audio output comparison module, an audio selecting module and a test result output module. The method and the device can test the audio loop of the communication terminal under the condition of not being interfered by environment.

The invention discloses a pneumatic load simulator for an undercarriage control test, which belongs to undercarriage control test systems, and comprises a test bench, an undercarriage, an undercarriage jackstay actuating cylinder and a load loading device. The load loading device comprises slide rails, a loading pulley, a slide rail trolley, loading ropes and turntables, the undercarriage jackstay actuating cylinder is arranged on the test bench, an output end of the undercarriage jackstay actuating cylinder is connected in the middle of the undercarriage, the loading pulley is arranged at the lower end of the undercarriage, a lead screw, a linear guide rail, a servo motor and a mass block are radially arranged on each turntable which is arranged on a support frame, the upper end of each mass block is connected with a nut of the corresponding lead screw, one end of each loading rope is fixed onto the corresponding turntable, the other end of each loading rope bypasses the loading pulley to be fixed onto the slide rail trolley. The pneumatic load simulator adopting the closed-loop control technology has the advantages that test misoperation possibility is decreased, test precision is improved, and the pneumatic load simulator is applicable to undercarriages of various types.

A testing system includes a computer, a testing circuit board, and a motherboard. The testing circuit board includes a programmable logic device connected to the computer. The programmable logic device includes a predetermined signal. The programmable logic device is used to output an excitation signal to the motherboard. The motherboard is used to generate a back signal according to the excitation signal. The programmable logic device is used to analyze whether the back signal is consistent with the predetermined signal. The computer is used to display a testing result output by the programmable logic device. The disclosure further offers a testing method.

The invention provides a test method and a device capable of switching multi-simulation accuracy. The method comprises the following steps: building a test system comprising a plurality of simulation accuracy functional block models; switching the test system into one simulation accuracy functional block model suitable for a simulation current scene in the simulation accuracy functional block models during the simulation; and executing the simulation test by using the switched simulation accuracy functional block model. The invention realizes the unification of designing a front-end test platform and a rear-end test platform of an ASIC and improves the test degree of automation.

Disclosed are an intelligent relay protection device information transmission time automatic detection system and an intelligent relay protection device information transmission time automatic detection method. The intelligent relay protection device information transmission time automatic detection system comprises a simulation master station, a data communication gateway computer, an exchanger, relay protection devices, a relay protection testing device and a time synchronizing device, wherein the time synchronizing device respectively provides time synchronization signals to the simulation master station, the data communication gateway computer and each relay protection device, the simulation master station, the data communication gateway computer and a plurality of the relay protection devices simultaneously access the exchanger, the data communication gateway computer is communicated with the plurality of the relay protection devices, and the simulation master station is communicated with the data communication gateway computer. The intelligent relay protection device information transmission time automatic detection system and the intelligent relay protection device information transmission time automatic detection method adopt a unified time source time synchronizing mode, achieve time synchronization of all nodes in the system, complete automatic testing of transmission time at the simulation master station, and have the advantages of being high in testing automation degree, low in labor cost, and high in work efficiency.

The invention discloses an intelligent dynamic torque tester which comprises a mechanical part and a control part. The mechanical part comprises an acting force applying transmission system and a damping loading system, the acting force transmitted by a tested device is applied to a brake disc through a dynamic torque sensor, and the counter-acting force transmitted by the damping loading system is also applied to the brake disc through a brake cylinder. The intelligent dynamic torque tester has the advantages that torque demarcating, aging and sampling tests and the like can be carried out on definite torque wrenches and other tested devices, the tested devices are connected to the brake disc through the dynamic torque sensor, the damping loading system applies the counter-acting force one the brake disc through the brake cylinder, test data are further automatically transmitted to an upper computer to be analyzed and stored through a control system, damping loading speed is adjustable, and loading is stable and noise free. The intelligent dynamic torque tester has the advantages of being simple in structure, low in cost, high in test automation degree, and high in reliability of testing results.

The invention discloses a monitoring system for server simulated load. The monitoring system for the server simulated load comprises a fan, a load module, a temperature sensor, a microcontroller, and a switch module which is connected with the microcontroller, wherein the fan, the load module, the temperature sensor, the microcontroller, and the switch module which is connected with the microcontroller are arranged inside a server chassis. The load module comprises a plurality of loads, the switch module comprises a plurality of switches which are respectively connected with the plurality of loads, the microcontroller inputs signals to control states of the switches to control the opening of one or more loads, the microcontroller is connected with the fan to control the rotation speed of the fan, the temperature sensor is connected with the microcontroller to input measured temperature information to the microcontroller, and the microcontroller judges whether the temperature detected by the temperature sensor is in a preset range or not. The invention further discloses a monitoring method for the server simulated load based on the monitoring system. The monitoring system and the method for the server simulated load are high in automation degree, and more accurate in test results.

The invention provides a full-digital test method for cockpit display control software, and belongs to the technical field of software testing. The method comprises the steps of firstly, writing a test case of the cockpit display control software, and according to the test case, generating a test script, a test input and an expected output; secondly, transplanting the cockpit display control software to a PC with the test script, and establishing communication between the cockpit display control software and the test script; and finally, running the test script, and comparing an actual outputof the cockpit display control software with the expected output, thereby finishing full-digital testing of the cockpit display control software. Through the method, the test automation level can be improved; the regression test cycle is shortened; a universal test environment is provided; and the method can be applied to all the stages of software development, debugging, verification and the like.

The invention discloses an air input testing system and testing method of the motor car air throttle which includes the vacuum source, the pressure sensor, the thermal gas flowmeter and the control unit. The vacuum source includes the air guiding hollow connected with the air vent of the throttle which provides the vacuum condition for the air vent; the control unit can keep the vacuum degree in a stable error range and collect the flow rate signal outputted by the thermal gas flowmeter and compute the air flow according to the airflow sectional area. The invention can measure the air flow directly and has the simple structure and low cost.

A system for I2C bus testing comprises an oscilloscope connected with an I2C bus of a tested mainboard. The oscilloscope is used for testing the waveform of signals transmitted on the I2C bus, the system for I2C bus testing further comprises a testing machine table, the testing machine table is connected with the tested mainboard and the oscilloscope and outputs test instructions to enable the I2C bus to start to transmit the signals and automatically adjust parameters of the oscilloscope, and a test report is automatically generated according to the waveform tested by the oscilloscope. The invention further discloses a testing method based on the system for I2C bus testing. The system and method for I2C bus testing are high in automation degree, and test results are accurate.

A system for VGA port testing comprises an oscilloscope connected with a VGA port of a tested mainboard. The oscilloscope is used for testing signals output by the VGA port, the system for VGA port testing further comprises a testing machine table, and the testing machine table is connected with the oscilloscope and used for automatically adjusting parameters of the oscilloscope and automatically generating test reports according to the waveform tested by the oscilloscope and displaying test results. The invention further discloses a testing method based on the system for VGA port testing. The system and method for VGA port testing are high in automation degree, and test results are accurate.

The invention discloses a testing device for the input and output module function of a control system. The system comprises a control cabinet, a network switcher, a high-precision universal meter, a channel switcher, and a monitoring computer, the control cabinet is in two-way communication connection with the network switcher, the network switcher is in two-way communication connection with the monitoring computer, the output end of the control cabinet is in communication connection with the input end of the channel switcher, and the output end of the control cabinet is in communication connection with the input end of the channel switcher, the output end of the channel switcher is in communication connection with the input end of the high-precision universal meter, the control cabinet isin two-way communication connection with the high-precision universal meter; the network switcher is used for the communication connection between the control cabinet and the monitoring computer, andthe high-precision universal meter is used for measuring output signals in the control cabinet and in communication connection with the control cabinet. The invention further provides a testing method for input and output module function of control system, and solving defects of existing a testing system and method for the input and output module function.

The invention relates to a multifunctional comprehensive testing device for a fire control hydraulic valve. A water supply rectification system comprises a plurality of rectification grids; the outlet of each rectification grid is connected to a pipe network system; the pipe network system is integrated by a plurality of valve testing passages; each valve testing passage consists of pipelines with different pipe diameters; each pipeline is connected in series with a plurality of control valves and a sensor; the flow and a pressure signal are sampled by the sensor, and the acquired data is displayed on a paperless recorder in a centralized way so as to realize the simultaneous acquisition and centralized display of data; and the output of a direct-current control signal or an alternated-current control signal is controlled through an intermediate relay. Multiple testing functions are realized by simple adjustment of the control valves; and the measurement accuracy is high, the working stability is high, the detection efficiency is high and the application range is wide.

A server motherboard detection system is used for detecting a server motherboard. The server motherboard detection system comprises a principal computer connected with the server motherboard. The server motherboard comprises a plurality of devices connected with each other through an I2C bus. The server motherboard detection system further comprises a PLD connected with the plurality of devices of the server motherboard through an I2C bus. The principal computer sends a command to the PLD to enable the PLD to read information of the devices of the server motherboard and feed the information back to the principal computer, and the principal computer analyzes measured information and displays a detection result. The invention further discloses a detection method based on the server motherboard detection system. The server motherboard detection system and the detection method of the invention are high in degree of automation, and detection results are accurate.

The invention discloses a train insulation wireless transmission automatic detector which comprises a storage battery and a single-chip microcomputer microcontroller. An output end of the storage battery is connected to a boosting module, an output end of the single-chip microcomputer microcontroller is connected to the boosting module, an output end of the boosting module is connected to the single-chip microcomputer microcontroller through a sampling and testing circuit, and the single-chip microcomputer microcontroller is further connected with a relay array. The automatic detector solves the problems that a megger and an electronic megameter are used for measuring train insulation, and efficiency and accuracy are low in the prior art.

The invention discloses an automatic detecting device of the relay protection information system pressure processing capability. The device comprises a power grid data source library, a data source simulation mechanism, a data analysis and comparison mechanism and a result displaying device, wherein one end of the data source simulation mechanism is connected with the power grid data source library, and the other end of the data source simulation mechanism is connected with a protection information substation; the input end of the data analysis and comparison mechanism is connected with the power grid data source library and a protection information master station separately, and the output end of the data analysis and comparison mechanism is connected with the result display device. The invention further discloses an automatic detecting method of the relay protection information system pressure processing capability. By means of the automatic detecting device and method of the relay protection information system pressure processing capability, the method of automatically comparing a power grid fault data occurring source with information of the master station is adopted, automatictesting of the relay protection information system pressure processing capability is achieved, the testing automated degree can be greatly increased before a protection information system is put intooperation and when the protection information system is in laboratory detection, the labor cost is lowered, and the working efficiency is improved.