194results about How to "Solve test problems" patented technology

The invention provides a processor fault injection method oriented to a BIT (Built-In Test) software test and a simulator thereof, wherein a hardware circuit board that runs BIT software is taken as a simulation object of the simulator. A normal function simulation module, a fault model parsing module, a fault injection module, a failure behavior simulation module and a peripheral crosslinking environment emulation module are additionally arranged in the processor fault injection method, wherein the normal function simulation module simulates the normal functions of a processor, memorizer and the like; the fault model parsing module parses a fault sequence file; and the fault injection module matches and injects a fault. The processor fault injection method compiles and parses an XML (Extensive Markup Language) fault sequence file to form the fault sequence that can be identified by the simulator by building a fault mode library, searches and injects the corresponding fault when the simulator encounters a fault observation point during the simulation process, and performs the fault simulation when the fault is triggered. The processor fault injection method and the simulator can achieve more complete types of the injected fault modes, can fully cover test cases under each failure occurrence, and can test the circuit board-level BIT software more sufficiently; in addition, only the BIT software that is tested fully can ensure the accuracy and the timeliness of BIT prediction of aeronautical airborne equipment, and further ensures the reliability and the safety of a system.

The invention provides a tool used for testing the function and performance of touch control equipment. The tool has the characteristic that multiple fingers simulate a human hand and move in a combined mode. The tool structurally comprises a plurality of finger modules, movement relations are transmitted through a connection rod telescopic mechanism among the finger modules, the aim of dynamically controlling the distances between the fingers during a touch test can be achieved, and the test function of a traditional touch screen test instrument is perfected. Moreover, on the basis that the tool has the characteristic that the multiple fingers can flexibly move, the tool is installed on a movement platform to carry out test movements, test difficulties of multi-shape touch screen devices are eliminated, various single-item touch screen tests can be completed in an integrated mode so that test efficiency can be improved, meanwhile, real touch operations, such as touch force changes and finger moving track deviation, of the hand of a person can be simulated by means of the device, user experience of the touch control equipment can be accessed when touch operations are carried out by the hand of the person, and accordingly product design can be improved, and the tool can assist in development of multi-finger application programs.

The invention relates to a large-caliper plane mirror surface-shaped detection device. The large-caliber plane mirror surface-shaped detection device comprises a laser, an absorbing body, a beam splitting mirror, a standard spherical surface reflecting mirror, a detection unit and a control and acquisition computer, wherein the beam splitting mirror is arranged on an emitting light path of the laser and is used for splitting incident light entering the beam splitting mirror into transmitting light and reflecting light; the absorbing body is arranged on a reflection light path passing through the beam splitting mirror; the standard spherical surface reflecting mirror is arranged on a transmitting light path passing through the beam splitting mirror and is used for reflecting the incident light entering the standard spherical surface reflecting mirror to the beam splitting mirror; the incident light is reflected to the detection unit by the beam splitting beam; and the control and acquisition computer is connected with the detection unit. The invention provides a device for detecting the large-caliper plane mirror surface shape by using an optical fiber laser and a Hartmann wave-front sensor; and according to the device, the problem of the test of the large-caliper plane mirror surface shape is solved, the surface shape of the large-caliper plane mirror can be effectively tested and the test precision can be better ensured.

The invention discloses a system and method for testing automotive electronic diagnostic software, which is characterized in that the system comprises a diagnostic Tester packet, an electronic control unit (ECU) model platform and a communication interface, wherein the diagnostic Tester packet comprises a display/analysis module, a sending/receiving information module, a bus information monitoring module and a Tester communication module; the ECU model platform comprises a simulation ECU application module, a simulation ECU system module, a diagnostic module, a storage module and a platform communication module; the communication interface is used for connecting the diagnostic Tester with the ECU model platform, and converting communication buses with different types into consistent communication buses for transmitting the communication information; and the sending/receiving information module sends a diagnostic service request and receives a diagnostic service response by the Tester communication module, and transmits diagnostic service request data and diagnostic service response data to the display/analysis module. By using the system and method for testing the automotive electronic diagnostic software, the diagnostic software can be diagnosed and tested at any time, thus reducing the workload of developers and greatly improving development efficiency.

Apparatus and accompanying methods for use therein for implementing a method and system for emulating a supporting mobile for testing a packet-data communication device. Thus, the present invention is directed to, in a general aspect, a system, and accompanying methods for use therein, for packet data communications. In a preferred embodiment the invention relates to testing of packet data applications including wireless communications such as push to talk over cellular (PoC) wireless telecommunications applications. The test system of the present invention comprises an emulated communication device for transmitting and receiving packet data and a controller for controlling the emulated communications device. The controller operatively connected to the emulated communication device and the controller enables the emulated communications device to emulate the communications device by performing functions that the communication device performs.

The invention discloses a method for testing the broadband carrier communication performance of a low-voltage power line. The method includes: sending test messages in batches through a carrier bus channel access unit; controlling the attenuation of a carrier communication channel of the carrier bus channel access unit; injecting interference noise to the carrier communication channel; measuring a signal characteristic of the carrier bus channel access unit; and monitoring a communication behavior and a business behavior of to-be-tested communication equipment by employing an application interface message of the to-be-tested communication equipment. According to the technical scheme for testing the broadband carrier communication performance of the low-voltage power line, the communication performance test initiates various communication behavior tests on the carrier channel of interference quantification simulation, the response condition of the to-be-tested equipment on the carrier and application channels is intercepted and recorded, a statistical analysis of the response condition is conducted, quantification parameters of the simulation channel are recorded according to the test equipment, and communication performance assessments of the to-be-tested communication equipment in various interference quantification channels are formed.

The invention discloses a rapid configuration and test method for a programmable logic device in system programming. According to the method, ISP (in-system programmable) state machine configuration codes are acquired by one-time programming and four-time transcoding. The rapid configuration and test method includes the steps of conducting test configuration program development in a corresponding development environment of the programmable logic device to acquire original configuration codes; converting the original configuration codes into an SVF (serial vector format) file through a conversion tool; converting the SVF file into a PCF (portable compiled format) file; generating an ATP file by a C-language transcoding program; converting the ATP file into a Pattern file, and using an ATE (automatic test equipment) automatic test system for rapid configuration and test. The rapid configuration and test method for the programmable logic device in system programming has the advantages that the ISP state machine configuration codes can be generated automatically, and multi-time configuration and test operation can be conducted, so that test fault coverage rate is increased greatly, and the test problem of the programmable logic device is solved; the rapid configuration and test method is universal.

The invention discloses a method and a circuit for testing a multi-clock domain. The multi-clock domain comprises a plurality of working clocks. The method for testing the multi-clock domain comprises the following steps that: each working clock and each testing clock in each clock domain provide a corresponding clock for a working circuit through a clock switching control circuit; a selection signal of each clock domain is set to provide a working enable signal for the clock switching control circuit in each clock domain; the effectiveness or ineffectiveness of the working enabling of different clock switching control circuits is controlled by the selection signal of each clock domain; and a test state of the clock domain corresponding to the clock switching control circuit is controlled. By the method and the circuit for testing the multi-clock domain, simultaneous test on circuits in the multi-clock domain and test on circuits in a cross-clock domain simultaneously are realized.

The invention discloses a method for adopting a bend test to test the tensile elasticity modulus of a material. A compressive elasticity modulus Ec of a material is supposed to be known, and the pure bending or transverse bending small transformation experiment is carried out in a linear elastic range of the material; axial strain values epsilon c and epsilon t of an optional position on upper and lower surfaces of the pure bending section of a sample or axial strain values epsilon c and epsilon t on the upper and lower edges of any cross section of the transverse bending section are measured in an experiment; a relation of the pressure-pulling elasticity modulus ratio and the pulling compressive strain ratio of the material is deduced through an equilibrium condition of a cross section, thereby determining the tensile elasticity modulus Et of the material according to the formulae shown in the specification. The method provided by the invention has the advantages that the theory is correct, a computing formula is concise, the parameter is easy to measure, and the tensile elasticity modulus of the material can be accurately measured.

The invention discloses a gas flow calibration method with temperature pressure adjusting capacity. According to the method, compressed air passes through a drying filter and is stored in a high-pressure gas well; gas pressure in a pipe is continuously adjustable in a certain range by the aid of a multi-stage pressure adjusting device, so that the actual work pressure of a detected flow meter can be reached; control signals are determined through temperature measurement and feedback to control work of a condenser and a heater, the gas medium temperature is continuously adjustable in a certain temperature range, and accordingly, the actual work temperature of the detected flow meter can be reached; the gas working condition accumulative flow, the gas pressure and the gas temperature value at a standard meter and the detected flow meter under a detected flow point are acquired respectively, and the relative indication error of the detected flow meter is calculated. The method adopts the multi-stage pressure adjusting device to realize the continuous pressure adjustment in a certain pressure range, and the temperature in certain temperature range can be adjusted continuously through mounting of the condenser and the heater; the actual work temperature and pressure of the flow meter can be simulated as far as possible, and the effectiveness and the accuracy of detection can be improved.

Said invention refers to concrete gaseous permeability coefficient uniaxial compressive stress tester and testing method belonging to concrete material viability detection technique field. It contains dying, dying sample room, supporting frame, lifting jack, pressurizing plate, compressed gas tank, and pressure gauge etc, wherein dying consisting of dying cover board and dying bottom case, dying sample room located in dying bottom case, dying cover board and dying bottom case respectively set with outgoing gas chamber, intake chamber in turn connected with inlet valve, compressed gas, and pressure gauge, lifting jack and pressurizing respectively located at two ends of test sample, one side of dying bottom case set leakage check groove. In testing, tested sample is located in dying sample room, pressing in wedge, screwing dying, checking leak tightness, starting up lifting jack, applying compressive stress in test sample, opening compressed gas tank valve, keeping tested sample equilibration time being 10-20 minute, each tested sample repeating testing gas permeation time by more than 3-5 times, changing test pressure and repeat testing, to obtain tested sample permeability coefficient average value, taking 3-5 tested sample permeability coefficient average value as test value of said group tested sample. Said invention has easy and simple to handle, reliable test result, assembly type unit, and convenient for carrying.

A device for measuring the optical ring of gyroscope on-line modularity, including circuit conciliating modular, light leading-in modular, optical ring modular, the light leading-in modular provides the power and steady polarizing coherent light for the optical ring, transmits the optical interference signal to the electrical signal and exports to the circuit conciliating modular which connected with the light leading-in modular through the electric cable, which can measure, control and output the signal of the whole optical path, the measured optical ring modular is connected with the output end of the light leading-in modular through two pigtail optical fiber being protected, The measurement of the optical ring is in the actual condition of the optical gyroscope and the output and input are identical with the actual use, it not only tests the parameter of the optical ring such as depletion and reciprocity but also tests the system response in the temperature, impact and vibration.

The invention discloses an adaptive Bluetooth test system and method. The method comprises steps that 1, an intelligent Bluetooth test unit is accessed to to-be-tested Bluetooth equipment, and a wireless communication protocol is connected with the to-be-tested Bluetooth equipment through a Bluetooth; 2, the intelligent Bluetooth test unit is used for sequentially carrying out emission power test, clock frequency test and sensitivity test on the to-be-tested Bluetooth equipment; and 3, after test is over, test states of the to-be-tested Bluetooth equipment are classified through a monitoring storage unit to carry out filing. The method is advantaged in that production cost is reduced, test problems can be easily solved without utilizing expensive professional Bluetooth test equipment; a test process is optimized, one-time test is accomplished through self-contained test steps without firstly downloading HCI instructions; a connection mode is optimized, the wireless communication protocol is employed for connection, and more stability and reliability are realized.

The present invention discloses a system testing method and an apparatus thereof. The system testing method comprises the following steps: configuring a fault timing task, wherein each fault timing task comprises one or more fault operations; associating a pressure testing task with the fault timing task; and executing the pressure testing task, and in a process of executing the pressure testing task, dynamically injecting each fault operation in the fault timing task associated with the pressure testing task, and monitoring each indicator of each system on a service link in real time so as to obtain monitoring data of a corresponding fault operation period. According to the method, by performing loosely coupled integration on robustness testing and performance pressure testing, automatically injecting system faults in the pressure testing process and monitoring each indicator of each system on the link in real time in the pressure testing process, the problem that a specific fault can be tested effectively in the case of large concurrency is solved.

The invention discloses a test device and method for sound transmission loss of a white vehicle door assembly with multiple metal sheets, and relates to the technical field of automobile component production. The test device comprises a metal sheet installing device, a noise generation and reception component and a data processor; the metal sheet installing device comprises a reverberation chamber(1), a anechoic room (2) and an installation part (4) to be tested; the noise generation and reception component comprises a sounder (3), a sounding microphone and a sound receiving microphone; and the data processor comprises a data collector (14), a data processor (13), a signal generator (12), a filter (11) and a power amplifier (15). The problems that at present the sound transmission loss ofthe whole white vehicle door cannot be tested, calculation via data calculate tends to cause a large error, a test result may be inaccurate, further development of the thin wall plate structure and material of the white vehicle door is influenced, and the satisfied degree of users cannot be improved are solved.

The invention discloses an online laser trimming system and method for a micro-hemispherical resonator gyroscope with a frequency measurement function. The system comprises a laser processing module, a frequency measurement module, a supporting module and a control module, the micro-hemispherical resonator gyroscope is arranged on the supporting module and has degrees of freedom of multi-directional movement and rotation; the frequency measurement module comprises a vibration element and a laser vibration meter, the vibration element is fixedly connected to the micro-hemispherical resonator gyroscope, and the laser vibration meter faces the side part of the micro-hemispherical resonator gyroscope; the control module is in communication connection with the frequency measurement module so as to obtain the trimming opening depth and diameter required by the micro-hemispherical resonator gyroscope; and the laser processing module is located around the micro-hemispherical resonator gyroscope so as to complete trimming of the micro-hemispherical resonator gyroscope based on the needed trimming opening depth and diameter. The system is applied to the technical field of vibrating gyroscopes, the depth of removal mass is controlled in the trimming process, meanwhile, online frequency measurement can be achieved, the trimming effect can be observed in time, and the trimming efficiency is greatly improved.

An embodiment of the invention provides a method and a device for containerizing an application program. The method includes determining a to-be-containerized target application program, and acquiringa source code corresponding to the target application program; according to the type of a target technology stack corresponding to the target application program, adding declaration information intothe source code, wherein the declaration information is used for declaring an operation dependency file corresponding to the target application program and creating a target mirror image correspondingto the target application program; according to the type of the target technology stack corresponding to the target application program, correcting the added source code to adjust log processing information corresponding to the target application program to meet preset mirror image creation requirements; according to the corrected source code, automatically creating the target mirror image corresponding to the target application program, wherein the target mirror image is used for allowing the target application program to operate on a container platform. By the method and the device, the containerization efficiency of the application program can be improved.

The invention relates to a test device and method for measuring a binding force between ice and an asphalt pavement in multiple angles, and aims at solving the problems that the existing device is limited for measuring the direct-pull binding force and cannot measure the binding force between ice and snow and the asphalt pavement in multiple angles, and a method for measuring the binding state between the ice and the pavement under the effect of vehicles cannot be provided. The test device comprises a cylindrical vessel, a hollow trough, a connection assembly, two ring carriers and three supporting rods, wherein the connection assembly comprises a lower connection screw, a lower connection sleeve, an upper connection lug and an upper connection screw; the hollow trough comprises a hollow cylinder and a circular ring; the two ring carriers are respectively an upper ring carrier and a lower ring carrier, and the cylindrical vessel, the hollow trough and the three supporting rods are arranged in the circular ring. The test device and method are used for measuring the binding force between a mixture of the pavement and the ice.

The invention provides an ATE-based method for testing an FPGA configuration chip. The method is characterized in that the method includes setting values of a device working power supply, an input level, an output level, a reference level and a load current, setting a powering-on order of a device, data formats, a time sequence and channels of an address signal, control signal and data signal of the device and controlling allocation of registers, performing erasure and verification of a full chip, erasure and verification of a single sector, writing state register verification, chip ID reading verification, reading and writing function verification of a full-chip memory cell, writing protection verification, direct current parameter verification and alternating current parameter verification. According to the ATE-based method for testing the FPGA configuration chip proposed by the invention, based on a T5385ES super-large-scale integrated circuit memory test system, compiles a special test pattern aiming at EPCS16SI8N, completes testing of EPCS16SI8N, and detects a possible failure mode of the EPCS16SI8N.

The invention relates to a testing device and a testing method of a big diameter sampling grating sampling rate, wherein the testing device of the big diameter sampling grating sampling rate comprises a laser device, a beam splitter, a first integral ball power meter, a second integral ball power meter, a two dimensional scan mirror group used for scanning a big diameter sampling grating and a controlling and collecting processing system. The beam splitter is arranged on an emergent light path of the laser device, the first integral ball power meter is arranged on a transmission light path which passes the beam splitter, the two dimensional scan mirror group is arranged on a reflected light path which passes the beam splitter, the second integral ball power meter is arranged on a -1 level diffraction light path which penetrates a tested sampling grating after passing the two dimensional scan mirror group, and the first integral ball power meter and the second integral ball power meter are respectively connected with the controlling and collecting processing system. According to the testing device and a testing method of a big diameter sampling grating sampling rate, testing problems of the big diameter sampling grating sampling rate are resolved and testing precision is well guaranteed.

The invention discloses a mechanical property testing method based on atomic force microscope probe. The method comprises: fixing an atomic force microscope probe to the top end of a Z-axis mobile platform at the in-situ detection device of a scanning electronic microscope; placing a sample consisting of carbon nanotubes and resin composite materials in a sample placement region; moving the X-axis platform and the Y-axis platform; letting the atomic force microscope probe in contact with the sample and then letting them attached through electronic beam radiation; starting the photographing of the electronic microscope and moving the X-axis platform and the Y-axis platform so as to draw the sample out of the single carbon nanotube; according to the photographed multi-frame continuous images, obtaining the displacement of the atomic force microscope when the single carbon nanotube is drawn out as well as the elasticity coefficient of the atomic force microscope so as to obtain the interface mechanical performance between the single carbon nanotube and the resin. The method of the invention realizes the dynamic in-situ observation of a material from nanometer scale to micrometer scale, and can test its mechanical properties at the same time.