644results about How to "Comprehensive test" patented technology

The invention provides a centralized digital transformer substation system. By adopting various new technologies and new devices, a new level centralized multifunctional intelligent device and a system are realized, thereby laying the foundation for the construction of a digital electric network. Based on an IEC 61850 standard, high speed Ethernet exchange and a virtual local area network (VLAN) technology, the system constructs a digital transformer substation information model and a communication network, and realizes sharing of information of the whole substation. On the basis, function integration of a digital transformer substation is realized and a system structure is simplified. A bay level multifunctional intelligent electronic device, i.e. a system controller integrates the functions of protection, measurement and control, wave recording and the like into a whole, and greatly simplifies the bay level device and wire connection; a process level intelligent terminal integrates the functions of a merging unit and an intelligent operation box into a whole; and all devices of each level provide models and interfaces conforming to the IEC 61850 standard.

The embodiment of the application provides a test case generation method, device and system. The method comprises the following steps: acquiring request data and return data from log information of aserver-side; providing a business scenario rule set and determining a business scenario rule corresponding to a scenario-assigned instruction when receiving the scenario-assigned instruction of the business scenario rule set of a user; analyzing the request data and the return data in accordance with the business scenario rule in order to build a data model corresponding to a business scenario; and generating a corresponding test case according to the data model in the corresponding business scenario and a pre-determined test code template. The embodiment can automatically generate test caseswith more diverse scenarios on the basis of the log information of the server-side, which is conducive to conducting a more comprehensive test of the server-side.

The invention discloses a method and a device for testing a radio frequency index and a wireless index of an active antenna system. A probe-type test hood based on a near field coupling mode is adopted to test the radio frequency index of the tested active antenna system. The method comprises test hood single body calibration, test hood environment calibration, radio frequency index test, putting the tested active antenna system into the test hood, wherein the test environment is the same as the calibration environment, and carrying out radio frequency test on the tested active antenna system through a radio frequency port of a test probe after compensating the test environment according to the calibrated calibration result. The invention provides the comprehensive testing method at the same time. A space radio frequency (OTA) test is respectively adopted to test spatial characteristic of the active antenna system; and the near field coupling mode is adopted to test the radio frequency index of the active antenna system. The advantages of two testing methods are fully combined, and the defects and problems of the two testing methods are overcome and solved, thereby optimizing the test efficiency and the test cost.

The invention discloses a test system of circuit board and a relative method. The test system comprises a test clamp, a test circuit board and a display terminal, wherein the test clamp is used to fix an object circuit board and provided with a plurality of test pins connected with the test points of the test items of the object circuit board, the test circuit board is provided with a microcontroller, the microcontroller is used to control the test circuit board to provide a test signal to reach the object circuit board via the test pins on the test clamp and obtain the feedback test data to analyze test result which is displayed on the display terminal. The test method comprises using the test system to test an object circuit board. The invention builds an intelligent test platform which can quickly test circuit board. The invention with a view to hardware problem can improve circuit board test efficiency.

The invention discloses an automatic chip power-on reliability detection device and a detection method and aims to solve technical problems in the prior art that hand-operated operation easily causes errors, measurement is inaccurate, and long-time and large-intensity power-on detection is not suitable. The device comprises a PC used for operating display and control software and a test board for chip tests, wherein the PC is equipped with the display and control software, and the test board comprises a serial port chip, an FPGA, a main control chip, a numerical control power supply module, an A / D conversion chip, a slot of a test chip and a card in matching with the slot of the test chip. The automatic chip power-on detection method comprises steps that, the PC receives test information, the display and control software assembles the test information into data frames and sends the data frames to the serial port chip, a tested chip is tested through the test board, and the data frames transferred from the FPGA are parsed by the automatic power-on reliability detection software of the main control chip. According to the device and the method, test result accuracy is improved, the test process is simple, and operation is simple and convenient.

The invention discloses a motor twin trawling platform used for a motor test. The motor twin trawling platform used for the motor test comprises a transformer, a rectifier, a filter, a tested motor, a master control system, a load motor, a coupler and two motor control systems. The rectifier is connected with the transformer, two ends of the filter are respectively connected with two output ends of the rectifier, a tested motor control system and a load motor control system are both connected with the filter, the load motor is connected with the load motor control system, a tested motor output shaft is connected with an output shaft of the load motor through the coupler, and the tested motor control system and the load motor control system are both connected with the master control system. The whole system of the motor twin trawling platform used for the motor test can be miniaturized, the motor can be output through random torque so as to enable the motor twin trawling test to be diversified, electricity is saved, and efficiency can be obviously improved.

The embodiment of the invention discloses a test method and a test device of hardware performance of electronic equipment. The test method comprises the following steps of obtaining a test beginning command; and responding the test beginning command and respectively testing hardware items to be tested, wherein a testing process comprises the steps of: firstly, executing a test of performance of a virtual machine to obtain a first execution result, and determining a first test result of the performance of the virtual machine according to the first execution result; secondly, synchronously executing the test of the performance of an RAM (Random Access Memory) and the test of the integer arithmetic performance of a CPU (Central Processing Unit) so as to obtain a second execution result and a third execution result; or executing the test of the performance of the RAM, and after the second execution result is obtained, executing the test of the integer arithmetic performance of the CPU so as to obtain as a third execution result; and lastly, determining a second test result of the performance of the RAM according to the second execution result, and determining a third test result of the integer arithmetic performance of the CPU according to the third execution result. According to the invention, testing accuracy of the hardware performance of the electronic equipment is improved through a reasonable testing order of the hardware items.

The invention discloses a star sensor function test method based on electric injection star map, which comprises simulating the track parameter and attitude of satellite motion and simulating a star map shot by a star sensor, using the star point center to refresh and transmit part of the star map, laminating the part refreshes in the star map background of the star sensor, positioning star point, recognizing star map and calculating altitude, checking the results of the star map recognition and altitude calculation of the star sensor. The invention discloses a relative device. The invention has high refresh rate of star map, which can simulate the track altitude of star sensor and can process ground simulation test with whole star system, without additional external devices and special application condition demand, but with strong versatility.

The invention discloses a joint test device and method for expansion and frost heaving of a soil body, relates to the field of property tests of the soil bodies, and particularly relates to a device and method for a joint test of expansion rate and frost-heaving ratio of expansive soil, aiming at solving the problem of an inaccurate test aiming at the expansion characteristics of the traditional expansive soil. A sample box in the test device is arranged on a bottom plate of an incubator; a top plate and the bottom plate of an upper surface and a lower surface of the sample box are respectively connected with a low-temperature circulating bath; displacement sensors are arranged above the top plate; the bottom plate is also connected with a water supply device; each sensor is connected with a data collection system. The test method disclosed by the invention comprises the following steps: firstly, calculating zero-load expansion rate of a soil body sample through a change of a reading number of each displacement sensor, and then reducing the temperature of the top plate; freezing the soil body sample; and calculating the frost-heaving ratio of the soil body through the reading numbers of the displacement sensors. The frost-heaving ratio data obtained by the test is closer to that of engineering practice, and cognition on the frost heaving characteristics of the expansive soil is more accurate.

The invention relates to an electrical test system and a method of an automotive body based on a CAN bus, the method establishes a test platform of the automotive body with one or a plurality of electronic controllers and loads and is provided with a sampling circuit between each electronic controller and the corresponding load, the sampling circuits collect electrical performance data of the loads, then the electrical performance data is transmitted to an upper computer located by a CANoe card through the high-speed CAN bus for carrying out electrical function test, and information of the electronic controllers is transmitted to the upper computer located by the CANoe card through a low-speed CAN bus for carrying out real-time information monitoring. The method is convenient to operation,can complete signal collection and realize the real-time information monitoring of the electronic controllers and has the advantages of improving test efficiency, shortening ECU development time andreducing development cost.

The invention relates to the field of automobile component performance tests and especially relates to an automobile longitudinally set composite material plate spring performance testing device. The automobile longitudinally set composite material plate spring performance testing device comprises a substrate, a to-be-tested plate spring, a pair of guide rails arranged at the two sides of the top surface of the substrate in symmetry and a pair of sliding parts arranged on the guide rails and forming a moving pair with the guide rails. Displacement measurement apparatuses are arranged between the guide rails and the sliding parts in a matched mode. Support parts installed on the sliding parts support the to-be-tested plate spring. An output rod of a load loading system is connected to the central section of the to-be-tested plate spring through a clamping plate. A central axis of the output rod is perpendicular to a test reference surface. According to the invention, through measuring transverse displacement of the plate spring and correcting rigidity of the plate spring by a chord length, the performance of the plate spring of composite materials can be more comprehensively tested; and positioning of the plate spring can be realized through usage of a pair of simple V-shaped support blocks and the deadweight of the plate spring. The testing device is simple in structure, high in universality, and is especially suitable for tests for plate springs of composite materials with different bearing capabilities in different directions.

The invention relates to testing technology, and particularly to a Bluetooth equipment testing method, a Bluetooth equipment testing device and a Bluetooth equipment testing system, thereby improving Bluetooth equipment testing efficiency and shortening Bluetooth pairing time. The Bluetooth equipment testing method is characterized in that to-be-tested Bluetooth equipment acquires identification information of Bluetooth testing equipment through reading preset testing configuration information; and the to-be-tested Bluetooth equipment performs active back-connection with the Bluetooth testing equipment based on the acquired identification information. Because the back-connected Bluetooth testing equipment is definite, the connecting process is definite, thereby shortening pairing time, improving testing efficiency and furthermore facilitating control to product testing. On the other hand, a one-to-one back-connection manner can realize simultaneous testing on a plurality of stations, thereby greatly improving testing parallelism and testing efficiency. Furthermore because only storage of identification information of the Bluetooth equipment is required in back-connection, simple testing facility and small volume of information to be stored are realized, thereby reducing testing cost and testing execution complexity.

The invention discloses a method for testing the performance of a seeker. The method for testing the performance of the seeker comprises the steps that S1, the seeker is powered on; S2, a light source is controlled to make pitching and rotating movement around a horizontal rotary shaft, and / or the light source is controlled to make horizontal rotating movement around a vertical rotary shaft; S3, the performance of the seeker is tested; and S4, a test report is output. The step S3 comprises at least one of testing of the maximum tracking speed of the seeker, testing of the instant view field angle of the seeker, testing of the zero-position maximum deviation of the line-of-sight rate, testing of the maximum fluctuation of the output noise of the seeker, testing of the searching cycle of the seeker, testing of the frame angle accuracy, testing of the prefabricated frame angle, testing of the searching strategy of the seeker and testing of the sensitivity of the seeker. According to the method for testing the performance of the seeker, the problem that according to a method for testing the performance of the seeker in the prior art, the dynamic object tracking and capturing performance of the seeker cannot be tested can be solved.

Taking full advantage of integrated network interface of server product, the method equips with only one main server, where data packages including system files, testing programs and driving programs are installed. Through network, data packages needed are copied to all machines to be tested without increasing hardware investment. Through script files, main server controls all machines to be tested so as to accomplish unpacking, installing and running test for system. Comparing with prior art, the invention solves disadvantages of not suitable to synchronous testing for multiple machines and products in multiple models by using modularized management, networked system installation, and automatic performance test so as to raise efficiency of testing multiple complete machines.

The invention discloses an Internet of Vehicles test system and a test method thereof. The Internet of Vehicles test system comprises an upper computer, a mobile phone terminal, a background data server and an Internet of Vehicles test platform. The Internet of Vehicles test platform comprises a CAN bus; a vehicle-mounted ECU which executes corresponding actions according to the instruction data obtained from the CAN bus or manual operation; a Vehicle-mounted T- BOX which is used for uploading the state data on the CAN bus to a background data server so that the mobile phone terminal can readthe state data; a CAN-BOX / VSPY which uploads the data on the CAN bus to an upper computer, so that the upper computer monitors whether the data on the CAN bus are correct or not. The Internet of Vehicles system does not need to be tested on a real vehicle, and many problems caused by testing on the real vehicle are avoided.

The invention discloses a testing method which comprises the following steps: acquiring the testing procedure from automatic test equipment (ATE) by using a device under test (DUT) and initializing according to the testing procedure; receiving test signals by using the DUT, and testing according the test signals, and outputting test results; and reading the test results by using the ATE and determining whether the DUT conforms to the requirements according to the test results. The invention simultaneously discloses a testing system. By applying the method and the system, the test cost can be reduced, the fault coverage can be improved, and the invention can be implemented easily.

The embodiment of the invention relates to a method and a device for automatically testing an application layer protocol, wherein the method comprises the following steps of: resolving a schema file, and generating a messaging control sequence according to a message control logic in the schema file, wherein the messaging control sequence is used for controlling the message content in the schema file; according to the messaging control sequence, sending an application layer message containing the message content resolved from the schema file; receiving the application layer message processed by a tested device, and acquiring the processed message content from the processed application layer message; and detecting the processed message content according to a message detection rule in the schema file. The method and the device for automatically testing the application layer protocol realize comprehensive automatic tests on security gateway devices.

The invention relates to a method for testing oil oxidation stability. The method comprises the following steps of: supplying an oil processing device which comprises a thermostatic container and an oil container, wherein the oil container is arranged in the thermostatic container and is provided with an air intake pipe and an air outlet pipe; feeding the tested oil and a metal catalyst into the oil container; introducing air into the tested oil via the air intake pipe, wherein the flow of the air is 1 L / H to 20 L / H; measuring the temperature of the tested oil, orderly extracting samples from the tested oil according to a predetermined time sequence after the temperature of the tested oil is up to a set value, and measuring the viscosity, the acid value, the oxidation value and the nitration value of each sample; and measuring the content of an insoluble substance (n-pentane) of the remained oil in the oil container. Through the method, the samples can be sampled by many times during the testing process, so that a performance change trend of the oil is obtained; and the detergent dispersibility and the thermal oxidation stability of the oil can be evaluated.

The present invention discloses a method to send the simulating AT order. The present invention opens the serial port and builds the AT order communication passage with the mobile terminal(UE) through starting the PC side application procedure; the present invention chooses the response result of the AT order which needs to be enforced in the simulating software, writes the chosen response result in the deploy document through the simulating software, then makes the PC side application procedure send AT order to the UE and wait for the UE sending order result, after the PC side application procedure reads the AT order result and the AT order response result in the deploy document, the present invention replaces the order result sent by the UE according to the necessity; if the result is sent by the simulating software initiatively, the present invention puts the AT order response result in the document in the back of the communication terminal sending order result and sends the last result to the upper to handle; the upper takes the result as the communication terminal sending result when the upper handles the result input by the simulating software to realize the needing result.

The invention provides a vertical type integrated thrust vector testing device, belongs to the field of sensing and measurement and control and especially relates to an engine thrust vector test control system. The structure of the device mainly comprises a loading unit, an upper cylinder, a dynamometer, a lower cylinder, a guided positioning unit, an adapter flange, a hexagon socket-head cap screw and a reinforcing rib. The device has an advantage that the vertical type integrated structure is adopted. The device has high rigidity, high inherent frequency and high dynamic force measurement accuracy. Due to the vertical type structure, the influence of gravity factor of structure members when horizontally arranged on the test precision is eliminated. Thus, there is no error accumulation. The guided positioning unit is convenient to adjust, a loading measuring head can be adjusted to any position in a loading plane, and measurement of thrust vector / moment within different measuring ranges can be realized.

The invention discloses an ONVIF simulating testing device and method. The device includes: a device searching module used for searching for an online camera device in the same network segment and obtaining related information of the camera device; and a simulating testing module used for performing an ONVIF simulating test based on the related information. The ONVIF simulating test includes: protocol analysis testing, camera function testing, extended-function testing, automatic testing and reversed testing so that technical problems of test-method singularity, complex testing, high test cost and lower test efficiency, existing in the prior ONVIF testing, are solved and a technical effect that the ONVIF test is completed in a simple, efficient and diversified manner at a low cost is realized.

The invention discloses an intelligent voice test system and method for a terminal. The system comprises the terminal to be tested, a test computer and an intelligent voice engine or model, wherein the intelligent voice engine or model is arranged on a cloud or the local terminal to be tested, the test computer is connected with the terminal to be tested, and the terminal to be tested is connected with the intelligent voice engine or model on the cloud in a wireless mode. The method includes the following steps that the terminal to be tested is connected with the cloud in a wireless mode to be identified under the situation that the intelligent voice engine or model is located on the cloud, the terminal to be tested is directly and locally identified under the situation that the intelligent voice engine or model is arranged locally, and under the two situations, the test computer can directly obtain identification results from the terminal to be tested and conduct performance analysis. Compared with the prior art, the terminal intelligent voice test system and method can be used for testing intelligent voice performance of the terminal to be tested and the cloud and are comprehensive and accurate in testing, simple, flexible and easy to use.

The invention discloses a method of testing robustness of a closed loop protocol based on semantic analysis of a dynamic script, including steps of: building a test environment; conducting signal interaction between a smart telecontrol device and a protection device and a measuring and control device, receiving data signals coming from the protection device and the measuring and control device, and conducting information interaction with automatic testing software through a remote transmission communication protocol; using the automatic testing software to conduct output control over a tester through dynamic script language to make the protection device and the measuring and control device to send and transmit signals to the smart telecontrol device; sequentially controlling testing process of the smart telecontrol device by the automatic testing software, receiving messages delivered by the smart telecontrol device and using dynamic script to analyze the messages from the smart telecontrol device so as to produce a test report. The method makes it possible to flexibly compile and edit a test case and the test report, is universally applicable and significantly improves the testing efficiency and the correctness and reliability of the test result.

The invention discloses a three-level converter power unit double pulse test method. On the basis of a conventional two-level topology converter double pulse test idea, upper and lower bridge arms of a three-level converter power unit are decomposed reasonably, and comprehensive tests can be carried out on various conversion working conditions of the three-level converter power unit, device switching time, absorption circuit overvoltage absorption effect and drive short-circuit protection, and thus provided is a simple and effective test method for the development of a three-level converter.

The invention discloses an automatic testing method of the distribution intelligent function of power distribution terminal. The automatic testing method comprises: receiving a command of a user for setting a power distribution network grid structure and a deployment position of a tested power distribution terminal ; configuring the tested power distribution terminal according to the deployment position of the tested power distribution terminal; simulating the distribution intelligent function of the tested power distribution terminal through a computer, a relay protection tester, the tested power distribution terminal, a switchboard and an analogue switch and making a judgment; simulating a plurality of power distribution terminals in the computer, wherein the plurality of power distribution terminals communicate with the tested power distribution terminal through the switchboard; and automatically outputting a testing report. The invention further provides an automatic testing device of the distribution intelligent function of the power distribution terminal; and the automatic testing device comprises an analogue module, a communication module, a control module and a data processing module. According to the automatic testing method and device disclosed by the invention, automatic testing of the distribution intelligent function of the power distribution terminal is realized; and the method has the advantages of small demand on resources for establishing a testing platform, rapid and flexible test, comprehensive test and high testing efficiency.

The embodiment of the invention discloses an electric vehicle controller testing device and system. The electric vehicle controller testing device comprises a wire harness connection board, a signal link board and a relay load board which are arranged in a box body, wherein the wire harness connection board is in movable connection with a vehicle controller to be tested through a wire harness; the signal link board comprises a digital signal input circuit, a digital signal output circuit, an H bridge output circuit, an analog signal input circuit, a CAN communication circuit and a power supply circuit which are respectively and electrically connected with the wire harness connection board; and the relay load board comprises a relay load circuit which is electrically connected with the power supply circuit, the digital signal output circuit and the H bridge output circuit. The electric vehicle controller testing device and system send a digital test signal and an analog test signal to the vehicle controller to be tested and receive a returned digital feedback signal and returned CAN message data, a full and rapid test is carried out on the vehicle controller to be tested, and the portability is effectively improved by the design of the box body.

The invention discloses a wiring harness stretch performance detection device which comprises a working platform, a pull load mechanism and a clamping mechanism. The pull load mechanism comprises a cylinder. An output part is a piston rod of the cylinder. The clamping mechanism comprises two groups of clamping components. Each clamping component comprises two fixing plates. Arc grooves used for clamping wiring harness are arranged in the corresponding positions of the two fixing plates. One of the clamping components is fixedly arranged on the working platform. The other clamping component is connected with the output part of the pull load mechanism in a rigid mode and capable of moving under the action of the pull load mechanism. Due to the fact that load and release motion of the wiring harness to be detected are executed by a pneumatic system, the wiring harness stretch performance detection device is capable of being simple and direct, lower in cost, environment-friendly and free from pollution. Load speed is adjusted by a speed adjustment valve so that detection is more accurate, comprehensive, real and reliable. The clamping mechanism of the wiring harness stretch performance detection device is simple and direct in design and convenient to install and operate. Detail processing of the surface is unique. The surface of the wiring harness to be detected is not pressed and damaged due to the design of double-arc transition. The wiring harness is capable of being normally used after the wiring harness is detected so that waste is avoided.

The invention relates to the field of ammeter performance testing and particularly discloses an intelligent ammeter communication receiving performance testing system and a method. The method comprises that an upper computer sends a data package order to control a copy controller and a frequency generator; the data package order sent by the upper computer is analyzed by the copy controller according to a frequency clock generated by the frequency generator and is sent to an intelligent ammeter to be tested; the intelligent ammeter to be tested makes response after receiving the correct data package order and reversely returns response data to the upper computer; and the upper computer and analysis software running inside of the upper computer analyze the response data sent by the intelligent ammeter to be tested so as to judge receiving performance of the intelligent ammeter to be tested. According to the intelligent ammeter communication receiving performance testing system and the method, the receiving performance in center frequency deviation of the intelligent ammeter can be tested and implement is simple and convenient.

The invention discloses a circuit board testing device which comprises a microprocessor unit, a signal source unit, a testing operation platform and a data grouping unit. The microprocessor unit controls the signal source unit to input testing signals to the corresponding cable fixed in the circuit board of the testing operation platform; the data grouping unit tests the signal output by the cable needing testing according to the type of the cable and sends a signal obtained after the testing to the microprocessor unit for analysis processing, thus obtaining the state information of the cable needing testing. The invention discloses a circuit board testing method at the same time. The device and the method can automatically test the circuit board in an all-around way, with high testing efficiency.