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37results about How to "Comprehensive test coverage" patented technology
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Fault filling method and apparatus based on programmable logical device
InactiveCN1740980AAvoid the phenomenon of electrical damageAvoid missing detectionFault responseProgrammable logic deviceEngineering
The present invention provides a fault injection method based on programmable logic device and its device. Its kernel lies in that a fault injection module is set in the interior of programmable logic device having need of making fault injection to obtain the signal of the described programmable logic device, the described fault injection module can inject the correspondent fault into the obtained signal and can output the signal in which the fault is injected. Said invention has no need of external fault injection equipment or scrambling equipment, and can utilize the fault injection module set in the interior of programmable logic device to make fault injection process have no need of manual intervention and do not damage the programmable logic device.
Owner:HUAWEI TECH CO LTD
Real-vehicle testing automatic platform and method for diagnosis function of control system
ActiveCN109240277ATherefore, the test environment is accurateJoint problems are easy to expressElectric testing/monitoringFunctional testingNew energy
The invention discloses a real-vehicle testing automatic platform and method for a diagnosis function of a control system. The real-vehicle testing automatic platform comprises an upper computer, rapid prototype equipment, a fault injection box and a CANAlyzer. The rapid prototype equipment is connected with the upper computer and obtains an electronic control unit interface model and electronic control unit logic fault automatic testing programs of a to-be-tested electronic control unit from the upper computer. The fault injection box is used for being connected between a male connector and afemale connector of a low-voltage connector assembly of the to-be-tested electronic control unit in series. The rapid prototype equipment is used for being connected to a sensor input signal interface and a CAN signal interface of the fault injection box in series and connected to a sensor output signal interface. The CANAlyzer operates on the upper computer. According to the real-vehicle testingautomatic platform and method for the diagnosis function of the control system, the problems that when the diagnosis function of a new energy vehicle is tested, the testing environment is not preciseenough, the function related to the dynamic working condition of the vehicle and the failure mode cannot be tested can be solved.
Owner:深蓝汽车科技有限公司
Vehicle-mounted high-speed network test system and method
InactiveCN110995547AComprehensive test coverageShorten test timeData switching networksVideo transmissionControl cell
The invention discloses a vehicle-mounted high-speed network test system and method. The system comprises a control unit, a test unit and a tested unit, wherein the tested unit comprises a vehicle-mounted network controller; the control unit is used for generating a test instruction according to test requirements, sending the test instruction to the test unit and generating a test report accordingto test results returned by the test unit; the test unit is used for testing the tested unit according to the test instruction; a test result of the tested unit is received and returned to the control unit; test contents for testing the tested unit comprise a PMA test, an interoperability test, a protocol consistency test, a network performance test, a fault mode test, an Ethernet diagnosis test,an Ethernet flashing test, a gateway routing test, an audio and video transmission test and a network information security test. All contents of the OSI seven-layer model of the vehicle-mounted high-speed network can be tested, and the test coverage is comprehensive. Moreover, various test contents can be tested in parallel, so that the test efficiency is improved.
Owner:CHINA INTELLIGENT & CONNECTED VEHICLES (BEIJING) RES INST CO LTD
An automatic software testing robot and a realization method thereof
InactiveCN109101417AImprove test efficiencyImprove accuracySoftware testing/debuggingTest efficiencyTestware
The invention discloses an automated software test robot and an implementation method thereof, comprising an artificial intelligence interaction module, a prior data acquisition module, a semantic analysis module, a classification module, a test case generation module and a test module. The implementation method comprises the following steps of: sending a software test command to a robot terminal;acquiring a priori data of a programmer corresponding to the software to be tested; semantic analysis of the acquired prior data; classifying the software to be tested to obtain the software category; according to the results of semantic analysis and software category, test cases are generated. According to the test cases, the software to be tested is tested and the test results are generated. The invention can complete the automatic software testing work through the robot, and does not need manual participation in the testing process, thereby greatly improving the testing efficiency. In addition, the invention has comprehensive test coverage and high test accuracy, and can be widely applied in the computer technical field.
Owner:WUXI TVMINING MEDIA SCI & TECH
Drainage engine kerosene servo mechanism ground test method
ActiveCN106500992AComprehensive test coverageThe principle is simpleDetection of fluid at leakage pointMeasurement of fluid loss/gain rateAviationHydraulic motor
The invention discloses a drainage engine kerosene servo mechanism ground test method, and belongs to the technical field of a servo mechanism. The drainage engine kerosene servo mechanism ground test method comprises the steps of firstly adopting aviation hydraulic oil to replace kerosene, and performing a dynamic test on a servo mechanism hydraulic motor; then performing kerosene replacement on the servo mechanism hydraulic motor; and finally, performing air tightness detection by respectively adopting positive pressure detection and negative pressure detection. According to the invention, a ground hydraulic energy source is adopted to replace an engine kerosene source, a ground dynamic test is performed on the hydraulic motor, the principle is simple, the reliability is high, and the test process is safer for an operator at the same time; air tightness checking is performed on a drainage connecting loop by adopting a positive pressure mode and a negative pressure mode respectively, positive and negative pressure sealing capacities of the hydraulic motor in external sealing is fully considered, and a guarantee is provided for reliable work of the servo mechanism in an all-rocket system.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
Method and device for testing service process of security chip
ActiveCN110209587AAchieve sharingEasy to testSoftware testing/debuggingCode sharingBusiness requirements
The invention discloses a method and a device for testing a service process of a security chip. The method comprises the following steps of: importing a service process case set; generating a first test instruction according to a code function corresponding to a function name in the service process case set and input parameters; sending the first test instruction to a security chip in an electricenergy meter, and carrying out smoking test on the security chip according to the first test instruction; generating a second test instruction according to a code function corresponding to a functionname in the service process case set and input parameters; and according to the second test instruction, carrying out an automatic interaction test of a local service and a remote service on the security chip. Remote and local business interaction process testing can be realized according to business requirements, and code sharing between projects is realized.
Owner:BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +2
Vehicle control unit simulation test method, device and system
ActiveCN106383511AComprehensive test coverageImprove test accuracySimulator controlElectric testing/monitoringEngineeringCAN bus
The present invention provides a vehicle control unit simulation test method, device and system. The method comprises the following steps: in the current test environment of a vehicle, controlling a first node to send a first signal to a vehicle controller to be tested according to a preset rule to forward the first signal to a second node through the vehicle controller to be tested, wherein the first node is located on a first CAN bus, and the second node is located on a second CAN bus; monitoring a second signal received by the second node, and determining whether the second signal accords with the preset rule or not; and if the second signal accords with the preset rule, determining the consistency of the second signal and the first signal. According to the embodiment of the invention, the test coverage degree is more comprehensive and abundant, and the test accuracy is improved.
Owner:BEIJING ELECTRIC VEHICLE
Distributed transaction testing method, device and system
ActiveCN110196800AComprehensive test coverageImprove test analysis efficiencySoftware testing/debuggingSoftware engineeringThe Internet
The invention relates to the technical field of Internet, in particular to a distributed transaction test method, which comprises the following steps: obtaining a use case ID of a to-be-tested use case; pulling all abnormal cases associated with the case ID according to the case ID, and establishing a task set according to the abnormal cases, the task set comprising a plurality of tasks in one-to-one correspondence with the abnormal cases; obtaining task information of a task, wherein the task information comprises a use case ID, an abnormal use case ID, call link information and an abnormal type; obtaining operation environment information according to the calling link information; and constructing an exception according to the exception type and the operation environment information, andexecuting a use case corresponding to the use case ID under an exceptional condition to obtain a test result under the exceptional condition. Abnormity does not need to be set manually, only abnormity needs to be automatically generated and executed according to the modulo adjustment relation, test coverage is more comprehensive, and test analysis efficiency is improved.
Owner:TENPAY PAID TECH
Intelligent card poweroff testing method
ActiveCN107729196AComprehensive test coverageSolve the problem of whether the power-off protection mechanism is correctFaulty hardware testing methodsRedundant operation error correctionReader writerPower-on reset
The invention discloses an intelligent card poweroff testing method. The method includes: in the process when the intelligent card conducts a transaction with a reader-writer, powering off the execution process of record instruction updating; after the intelligent card is powered on and reset, judging whether record data in the intelligent card are updated or not in the transaction; if not, sequentially executing each instruction of the transaction, and powering off the execution process of a data writing instruction according to time set by a first poweroff timer when the data writing instruction is executed; wherein after the process of executing the data writing instruction is powered off each time, circularly executing following processes: when the intelligent card is powered on and reset again, sequentially executing each instruction of the transaction, and when executing a data recovery instruction, powering off the execution process of the data recovery instruction according totime set by a second poweroff timer, and stopping circulating until the data recovery instruction is executed successfully. By the method, the problem that existing single-instruction poweroff testingcannot detect whether a poweroff protection mechanism is correct or not when the card executes date recovery is solved.
Owner:EASTCOMPEACE TECH
A game program testing method and system
ActiveCN109558307AImprove test efficiencyImprove accuracySoftware testing/debuggingTest efficiencyProgram testing
The invention discloses a game program testing method. The test method comprises the following steps of operating the game program; positioning all controls on the current game interface; traversing all controls on the current game interface and performing operation to obtain an optimal jumping path of interface jumping; and when the game program finishes running, recording all the optimal jump paths to form a navigation chart, and testing the game program according to the navigation chart. In addition, the invention discloses a game program testing system. According to the present invention,the test efficiency of the game program can be improved.
Owner:卓望数码技术(深圳)有限公司
Intelligent circuit and method for controlling power-off
InactiveCN109032845AComprehensive test coverageSolve the problem of whether the power-off protection mechanism is correctHardware monitoringFault response safety measuresControl powerProtection mechanism
The invention belongs to the technical field of circuit power-off, and discloses an intelligent circuit and a method for controlling power-off. The intelligent circuit for controlling power-off comprises a power supply module, a current detection module, a voltage detection module, a main control module, a circuit monitoring module, a power-off test module, an alarm module and a display module. The circuit comprises a power supply module, a current detection module, a voltage detection module, a main control module, a circuit monitoring module, a power-off test module and a display module. Theinvention solves the problem that the existing single instruction power-off test can not detect whether the power-off protection mechanism is correct when the card executes data recovery or not through the power-off test in the execution process of writing data instructions to the smart card by the power-off test module and the power-off test in the execution process of the data recovery instructions. At the same time, through the circuit monitoring module, the alarm module can detect circuit faults in time, and send out a warning sound to remind the staff to do a good job of protective measures.
Owner:马晨光
Fault filling method and apparatus based on programmable logical device
InactiveCN100371901CAvoid the phenomenon of electrical damageAvoid missing detectionFault responseProgrammable logic deviceError-tolerant design
The present invention provides a fault injection method based on programmable logic device and its device. Its kernel lies in that a fault injection module is set in the interior of programmable logic device having need of making fault injection to obtain the signal of the described programmable logic device, the described fault injection module can inject the correspondent fault into the obtained signal and can output the signal in which the fault is injected. Said invention has no need of external fault injection equipment or scrambling equipment, and can utilize the fault injection module set in the interior of programmable logic device to make fault injection process have no need of manual intervention and do not damage the programmable logic device.
Owner:HUAWEI TECH CO LTD
Matrix LED headlamp test system and matrix LED headlamp test method
ActiveCN106501698AComprehensive test coverageImprove securityDiode testingComputer modulePersonal computer
The invention provides a matrix LED headlamp test system and a matrix LED headlamp test method. The matrix LED headlamp test system comprises a control unit, a first fault input module, a second fault input module, and a voltage measurement module. The control unit is in communication connection with an industrial personal computer. The first fault input module is used for adding an external wiring harness fault to a matrix LED headlamp system under control of the control unit. The second fault input module is used for adding a load wiring harness fault to the matrix LED headlamp system under control of the control unit. The voltage measurement module is used for measuring voltage data of the matrix LED headlamp system and feeding the voltage data back to the control unit. According to the matrix LED headlamp test system and the matrix LED headlamp test method of the invention, a matrix LED automobile headlamp can be tested so as to improve the running reliability and safety of automobiles.
Owner:H A AUTOMOTIVE SYST INC
Interface test management method, device and equipment and storage medium
PendingCN112433946AImprove delivery qualityImprove test efficiencySoftware testing/debuggingTest efficiencyTest management
The invention provides an interface test management method, device and equipment and a storage medium, and the method comprises the steps: connecting an application interface library which is used forstoring a to-be-tested application interface, receiving a first test request, and storing the first test request in the application interface library; testing the to-be-tested application interface according to the first test request, obtaining an interface test result, obtaining a to-be-tested function interface according to the to-be-tested application interface when the interface test result shows that the test is passed, receiving a second test request, and testing the functional interface to be tested according to the second test request. Through the method, the purposes of improving thetest efficiency in the whole software test process and reducing the positioning cost of software problems can be achieved.
Owner:PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD
Link test method and device
ActiveCN110928765AComprehensive test coverageSave human effortSoftware testing/debuggingAlgorithmControl theory
The invention relates to a link test method and device. The method comprises the following steps: respectively determining applications of application layers in a reference link and a link to be tested; inputting the same initial data into the application of the initial application layer of the reference link and the application of the initial application layer of the link to be tested respectively; wherein in the same link, the input data applied in the next application layer is the output data applied in the previous application layer; calculating the difference rate of the first output dataoutput by the first application and the second output data output by the second application in the same application layer; wherein the first application is an application in a reference link, and thesecond application is an application in a link to be tested; and determining a test result of the link to be tested according to the difference rate. According to the method and the device, the linktest is not limited to a certain application layer, so that the test coverage is more comprehensive, and respective application scenes are expanded; meanwhile, test data does not need to be prepared for each layer of application, and manpower is saved.
Owner:JINGDONG TECH HLDG CO LTD
Application testing method, device and terminal based on monkey command
ActiveCN104866427BComprehensive test coverageSoftware testing/debuggingCommand responseReliability engineering
The embodiment of the present invention discloses an application testing method, device, and terminal based on a Monkey command. The method includes: receiving a Monkey command for a target application; responding to the Monkey command, and running the target application; respectively using each test entry as the entry of the Monkey, Execute the pseudo-random event for the test entry; during the execution of the pseudo-random event for the test entry, monitor whether the window name of the topmost window of the terminal matches the window name corresponding to the test entry; if they do not match, suspend execution for For the pseudo-random event of the test entry, the control terminal sets the window whose window name matches the window name corresponding to the test entry as the topmost window, and continues to execute the pseudo-random event for the test entry; when at least two tests of the target application The entrance tests are completed, and the total number of executions of pseudo-random events reaches the preset total number of pseudo-random events, and it is determined that the target application test is completed. By adopting the invention, the effectiveness of application testing can be improved.
Owner:BEIJING KINGSOFT INTERNET SECURITY SOFTWARE CO LTD
Industrial detection method of anti-interference performance of digestive tract dynamic detector in temperature and humidity environment
ActiveCN106175745BImprove reliabilityImprove detection efficiencyDiagnostic recording/measuringSensorsElectricityMotion detector
The invention provides a method for industrial detection of anti-interference ability of a digestive tract motion detector in a humid environment. According to the method, the digestive tract motion detector is supported by a circulating conveyance base for online detection. Online direction of the digestive tract motion detector comprises detection of a gastrointestinal bioelectricity part and detection of a pressure detection part. The circulating conveyance base inputs sine wave signals which are 150 uv and 0.05 Hz into the gastrointestinal bioelectricity part and records a gastrointestinal bioelectricity part detection result A output by the digestive tract motion detector; the circulating conveyance base inputs pressure which is 100-450 mmHg into the pressure detection part and records a pressure detection part detection result B output by the digestive tract motion detector. The method is suitable for online industrial detection, the whole detection process can be completed automatically after well setting, detection efficiency is high, detection frequency is high, detection value coverage is wide, various detection environment combinations are available, and detection results are highly reliable.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Game program testing method and system
ActiveCN109558307BImprove test efficiencyImprove accuracySoftware testing/debuggingTest efficiencySimulation
The invention discloses a method for testing a game program, comprising: running a game program; locating all controls on a current game interface; traversing all controls on the current game interface and performing operations to obtain an optimal jump for interface jumping When the game program finishes running, record all optimal jump paths to form a navigation map, and test the game program according to the navigation map. In addition, the invention discloses a testing system for game programs. The invention can improve the test efficiency of the game program.
Owner:卓望数码技术(深圳)有限公司
Refrigerants used in the work stability test of digestive tract dynamic detector
ActiveCN106281231BImprove reliabilityImprove detection efficiencySensorsHeat-exchange elementsGas phasePower detector
The invention provides a refrigerant for use in detection of working stability of a digestive tract power detector. The refrigerant is sprayed to a confined space to be precooled in an atomized manner by taking high-pressure nitrogen as a carrier, and comprises 16 parts of methanol, 5 parts of glycerol, 3 parts of liquid ammonia and 2.3 parts of fumed silica all in parts by mass. A condensate is atomized and then uniformly sprayed to the confined space of a precooling section, under negative pressure and temperature conditions of the condensate, the methanol and liquid ammonia are vaporized, and heat is taken away to achieve rapid condensation, a part of the methanol and liquid ammonia are adsorbed in pores of the fumed silica, and the pores of the fumed silica are closed by the glycerol, so as to achieve the effects of delaying release, lowering the refrigerating efficiency and the refrigerating rate and prolonging the aging effect of refrigeration, the methanol and the liquid ammonia are discharged by a negative pressure tube after vaporized, most of the fumed silica and glycerol are discharged together, and a small part of the fumed silica and glycerol are attached to the surface of the digestive tract power detector to play a protective effect.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Industrial detection method of anti-interference performance of digestive tract dynamic detector in low temperature environment
ActiveCN106053116BImprove reliabilityImprove detection efficiencyStructural/machines measurementElectricityPower detector
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Method and system for automatic checking man-machine command
InactiveCN100501698CReduce workloadExpand the scope of testingSoftware testing/debuggingTest efficiencySoftware engineering
The utility model discloses an automatic checking man machine command method, which comprises the step 1: The command list to be tested is arranged; step 2: an order to be tested is read from the command list to be tested; step 3: the order to be tested is analyzed and checked. After the order to be tested passes the inspection, the anticipated implementation result will be generated for the order to be tested and the anticipated implementation result shall be kept; step 4: the order to be tested is submitted to the target system which executes the order to be tested so as to produce the actual execution result and then check whether the actual execution result is in conformity with the anticipated implementation result; step 5: reading the next order to be tested in the command list to be tested till the order to be tested is unavailable in the command list to be tested. The utility model also discloses a system for the automatic checking man machine command, comprising the command list to be tested and the implementation result check module. The utility model not only realizes the test automation but also reduces the workload of the inspector. Also, the completeness and the accuracy of the test are greatly improved, so as to enhance the test efficiency.
Owner:ZTE CORP
Detection method of pressure detection part of digestive tract dynamic detector
ActiveCN105997012BImprove reliabilityImprove detection efficiencyDiagnostic recording/measuringSensorsPhysical therapyExamination method
The invention provides an examination method for a pressure detection part of a digestive tract motion examination instrument, relating to the field of digestive tract motion examination equipment. The examination method comprises dry pressure examination and wet pressure examination. The method is applicable to online examination in industrial production of the digestive tract motion examination instrument, after being set, the digestive tract motion examination instrument can automatically complete the examination on the pressure examination part, the examination efficiency is high, the examination values cover completely, and the reliability of examination results is high.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Industrial testing method for working stability of digestive tract dynamic detector under vibration state
ActiveCN106236069BImprove reliabilityImprove detection efficiencyDiagnostic recording/measuringSensorsElectricityMotion detector
The invention provides a method for industrially detecting the working stability of a digestive tract motion detector in a vibrational state. The digestive tract motion detector is born by utilizing a cyclic conveying base to perform online detection, the cyclic conveying base drives the digestive tract motion detector to perform cyclic vibration, a vibration frequency cycle range is 3Hz-20Hz-15Hz-20Hz-30Hz-15Hz-3Hz, the cycle frequency is 12 cycles per minute, and amplitude is 0.4 mm. During cyclic vibration, the cyclic conveying base inputs sine wave signals of 150 microvolts and 0.05 Hz to the gastrointestinal electric part and records a gastrointestinal electric part detection result A output by the digestive tract motion detector. The cyclic conveying base inputs the pressure ranging from -100 mmHg to 450 mmHg to a pressure detection part and records a pressure detection part detecting result B output by the digestive tract motion detector. The method is suitable for industrial online detection, can automatically complete the whole detection process and is high in detection efficiency, detection value coverage is comprehensive, detection environment change combination change is diversified, and the reliability of detection results is high.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Real vehicle test automation platform and test method for control system diagnosis function
ActiveCN109240277BTherefore, the test environment is accurateJoint problems are easy to expressElectric testing/monitoringVehicle dynamicsFunctional testing
The invention discloses a control system diagnosis function real vehicle test automation platform and a test method, including a host computer, rapid prototyping equipment, fault injection box and CANAlyzer; the rapid prototyping equipment is connected with the host computer, and the rapid prototyping equipment is connected The electronic control unit interface model of the electronic control unit to be tested and the automatic test program for the logic fault of the electronic control unit are obtained in the machine; ; The rapid prototyping device is used to be connected in series to the sensor input signal interface and the CAN signal interface of the fault injection box, and connected to the sensor output signal interface; the CANalyzer runs on the host computer. The invention can solve the problem that the test environment is not accurate enough during the diagnostic function test of the new energy vehicle, and the functions and failure modes related to the dynamic working conditions of the vehicle cannot be tested.
Owner:深蓝汽车科技有限公司
Industrial detection method of anti-interference performance of digestive tract dynamic detector under vibration state
ActiveCN106175744BImprove reliabilityImprove detection efficiencyDiagnostic recording/measuringSensorsVibration amplitudeElectricity
The invention provides an industrial detection method for the anti-interference capacity of a digestive tract power detector in a vibrating state. A cyclic conveying base is used for bearing the digestive tract power detector for online detection, the cyclic conveying base drives the digestive tract power detector to cyclically vibrate, the vibration frequency cycle range is 3 Hz to 20 Hz to 15 Hz to 20 Hz to 30 Hz to 15 Hz to 3Hz, the cycle frequency is 12 per minute, and the vibration amplitude is 0.4 mm. The cyclic conveying base inputs sine wave signals being 150 microvolts and 0.05 Hz to a gastrointestinal electric part while cyclic vibration is carried out, and the detection result A, output by the digestive tract power detector, in the gastrointestinal electric part is recorded; the cyclic conveying base inputs pressure being -100 mmHg-450 mmHg to a pressure detection part, and the detection result B, output by the digestive tract power detector, of the pressure detection part is recorded. The method is suitable for industrial online detection, the whole detection process can be automatically completed, detection efficiency is high, coverage of detection values is comprehensive, detection environment change combinations change variously, and the detection results are high in reliability.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Industrial testing method for working stability of digestive tract dynamic detector in low temperature environment
ActiveCN106264450BImprove reliabilityImprove detection efficiencyDiagnostic recording/measuringSensorsElectricityPower detector
The invention provides an industrial detection method for the working stability of a digestive tract power detector in a low-temperature environment. The digestive tract power detector is carried on a circulating conveying base to conduct online detection, and online detection of the digestive tract power detector comprises detection on the gastrointestinal electrical part and detection on the pressure detection part; the circulating conveying base inputs a 150-microvolt and 0.05-Hz sine wave signal to the gastrointestinal electrical part, and a detection result A, output by the digestive tract power detector, of the gastrointestinal electrical part is recorded; the circulating conveying base inputs the pressure ranging from minus 100 mmHg to 450 mmHg to the pressure detection part, and a detection result B, output by the digestive tract power detector, of the pressure detection part is recorded. The method is suitable for industrial online detection, after setting is conducted, the whole detection process can be automatically completed, the detection efficiency and the detection frequency are high, the detection numerical value covering range is wide, a detection environment change combination is diverse, and the detection result reliability is high.
Owner:HEFEI KAILI PHOTOELECTRIC TECH
Method and device for determining data mapping relationship between database tables
InactiveCN102650996BShorten the timeRealize verificationDigital data information retrievalSpecial data processing applicationsValue setTarget database
A method and apparatus for determining a data mapping relationship between a source database table and a target database table are included. The method includes obtaining attribute values of an attribute other than a primary key and corresponding primary key value sets from plural rows of data in a source database table, and obtaining attribute values of a specific attribute other than a corresponding primary key and corresponding primary key value sets from plural rows of data in the target database table. A determination is made as to whether the attribute of the source database table and the specific attribute of the target database table have a potential data mapping relationship. If the determination is affirmative, a data mapping relationship is determined therebetween.
Owner:IBM CORP
Circuit for simulating LVDT dynamic model of aero-engine fuel regulator position sensor
PendingCN112394707AComprehensive detectionSolve the problem of the conditioning and acquisition operation circuit of the position sensor LVDT signalProgramme controlElectric testing/monitoringSignal conditioningControl system
The invention possibly relates to the fields of aero-engine control systems, loop tests, circuits and the like, in particular to a circuit for simulating an LVDT dynamic model of an aero-engine fuel regulator position sensor. The circuit comprises a sum value fixing circuit, an amplification adjusting circuit and a multiplier. The LVDT position signal is processed by the sum value fixing circuit to output a signal V1 and a signal V2, the signal V1 and the signal V2 are respectively corrected by the amplification adjusting circuit to simulate and output normalized VA and VB electric signal effective values, and the normalized VA and VB electric signal effective values are multiplied by an excitation signal sent by the controller through the multiplier to obtain VA and VB electric signals with the same phase as the excitation signal. According to the invention, the technical problem is solved that a simulation test of an LVDT signal conditioning acquisition operational circuit of the position sensor in an aero-engine control system cannot be carried out in the prior art. And thus, the comprehensiveness of technical detection and test of the electronic controller of the aero-engine control system in the loop simulation test is improved.
Owner:XIAN AERO ENGINE CONTROLS
RNSS payload testing apparatus
PendingCN107884220ASave time on payload testingComprehensive test coverageStructural/machines measurementSatellite radio beaconingSatelliteVIT signals
The invention discloses a universal apparatus which can be applied to navigation satellite RNSS payload tests. The apparatus integrates a time frequency signal generator, an uplink injection signal testing device, a downlink navigation signal receiving testing device, a time slot counter and a test evaluation software. The apparatus can generator an uplink injection signal which is intended for testing the performances of a RNSS payload uplink injection receiver. The apparatus can also receive a RNSS payload downlink navigation signal which is intended for testing the performances of a RNSS downlink straight launching payload. The apparatus has the characteristics of high device integration, comprehensive testing coverage, and excellent flexibility. The apparatus also supports batch testsof satellites, and fills the blank in the field of RNSS payload testing. The apparatus also ensures test effectiveness by adopting a special-purpose test evaluation software.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Smart card power failure test method
ActiveCN107729196BComprehensive test coverageSolve the problem of whether the power-off protection mechanism is correctFaulty hardware testing methodsRedundant operation error correctionProtection mechanismSoftware engineering
The invention discloses an intelligent card poweroff testing method. The method includes: in the process when the intelligent card conducts a transaction with a reader-writer, powering off the execution process of record instruction updating; after the intelligent card is powered on and reset, judging whether record data in the intelligent card are updated or not in the transaction; if not, sequentially executing each instruction of the transaction, and powering off the execution process of a data writing instruction according to time set by a first poweroff timer when the data writing instruction is executed; wherein after the process of executing the data writing instruction is powered off each time, circularly executing following processes: when the intelligent card is powered on and reset again, sequentially executing each instruction of the transaction, and when executing a data recovery instruction, powering off the execution process of the data recovery instruction according totime set by a second poweroff timer, and stopping circulating until the data recovery instruction is executed successfully. By the method, the problem that existing single-instruction poweroff testingcannot detect whether a poweroff protection mechanism is correct or not when the card executes date recovery is solved.
Owner:EASTCOMPEACE TECH
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