88 results about "Injection test" patented technology

The invention discloses a performance detection device for a network construction type converter suitable for new energy and energy storage, and relates to the field of power conversion equipment testing. The automatic test unit comprises a frequency adjustment test module, a phase jump test module, a short circuit ratio adjustment test module, a broadband harmonic injection test module, an island simulation test module, a source load switching test module and a damping test module. Compared with an existing test platform, the precision in the aspects of frequency, phase, short-circuit ratio adjustment and the like is improved, and the precision of a test result is ensured; testing of various complex working conditions such as isolated island operation, source load switching and broadband harmonic injection is supported, and all key working conditions possibly encountered by the power conversion system in practical application can be simulated; the system has an automatic testing function, various tests are automatically carried out through preset working conditions, a detailed analysis report is generated, and manual intervention is reduced.

The invention discloses an electromagnetic pulse coupling signal separation method based on optimized variational mode decomposition, and belongs to the field of signal processing. The method comprises the following steps: carrying out injection test on an engine rotating speed control system shielding wire harness, and constructing an electromagnetic pulse coupling signal data set; a population initialization process of a parrot algorithm is improved by adopting spatial pyramid matching chaotic mapping, population diversity is improved by utilizing uniform ergodicity and initial value sensitivity of a chaotic sequence, and premature convergence is avoided; a mirror reflection learning strategy is introduced to improve the optimization precision and convergence speed of the parrot algorithm; optimization is carried out by using input parameters of improved parrot optimization variational mode decomposition, and mode decomposition is carried out on electromagnetic pulse coupling signals of a rotating speed control system; and calculating a kurtosis factor of each intrinsic mode function, and selecting a reconstruction target signal of the intrinsic mode function with the minimum kurtosis factor. According to the method, efficient and accurate electromagnetic pulse coupling signal separation can be realized, and the stability and reliability of the system in a strong electromagnetic interference environment are improved.

The invention relates to the technical field of artificial intelligence and information security, provides a cue word injection attack detection method and device of a large language model, equipment, a storage medium and a program product, and has a better cue word injection attack detection effect. The method comprises the following steps: generating cue words from preset test corpora, and inputting the cue words into a first large language model; the test corpus generation cue word is used for indicating the first large language model to generate a cue word injection test corpus in combination with multiple cue word injection modes for each cue word injection attack type; the cue word injection test corpus is input into the to-be-tested large language model, and an input and output data pair is obtained according to response content output by the to-be-tested large language model; and calling the second large language model to detect whether the to-be-detected large language model is successfully attacked according to the input and output data to obtain a target detection result aiming at the cue word injection attack.

The invention relates to a CANFD verification system and a CANFD verification method based on a UVM verification platform, which can comprehensively verify the function and performance of a CANFD module by supporting test means such as accurate control of sending opportunity, simulation of a resynchronization function, error injection test, multi-protocol component separation design and flexible bit time sequence configuration through the designed verification system. For example, a UVM verification system is utilized to support verification of CANFD modules with different frequencies and sampling rates through configuration parameters, performance and reliability of the CANFD modules under different conditions are ensured, boundary conditions of frame intervals and frame idle are concerned, it is ensured that the verification system can fully cover all scenes possibly causing synchronization problems, and the verification efficiency of the CANFD modules is improved. Therefore, the verification process fully covers the boundary condition, and the stability and reliability of the tested CANFD module under extreme conditions are ensured.

The invention discloses a flash memory error injection test method and electronic equipment, and relates to the technical field of error injection test.The flash memory error injection test method comprises the steps that by means of the inherent physical characteristic, namely, the write-in characteristic, of an NAND flash memory, different data are written in the same position of a target block in the flash memory at least twice, the number of free electrons of a floating gate of the flash memory is interfered from the physical level, and the number of the free electrons is increased; according to the method, the internal data error of the flash memory is caused, and a physical abnormal scene of the flash memory is constructed, so that the read-write error test of the flash memory is realized, a technician can conveniently and timely find out the problem exposed in the test process of the flash memory, and the fault risk after mass production is reduced.

A method comprising validating a carbon dioxide injection operation plan at a carbon dioxide injection site, which comprises creating a first simulation model to simulate flow from the wellhead to a downhole environment and creating a second simulation model to simulate flow dynamics in a reservoir. The method further comprises conducting a carbon dioxide injection test operation based on the carbon dioxide injection plan at the carbon dioxide injection site and monitoring the carbon dioxide injection operation, which comprises measuring real-time data from the wellhead and the downhole, comparing the real-time data with the first simulation model, identifying risks from the comparison between the collected data in the first simulation model, and adjusting the carbon dioxide injection operation and based on the identified risks.

Disclosed example cap removal tools include: a cap removal adapter having a cap removal aperture; and a base, comprising: first alignment features configured to align the cap removal tool with an actuator of the autoinjector testing system; and second alignment features configured to removably attach the cap removal adapter to the base and align the cap removal adapter with the actuator.

The utility model relates to a fault detection device, in particular to a fault detection device for a pulse valve of a dust remover, which comprises a casing, a controller, an air inlet, a blowing air bag, a pressure sensor, a pulse valve and the like. An air purifying mechanism used for filtering dust and air is arranged in the machine shell, a blowing pipe is fixedly connected into the machine shell, a blowing air bag is installed on one side of the machine shell, an air inlet is formed in the bottom of the blowing air bag, a pulse valve is arranged at an air outlet of the blowing air bag, and one end of the pulse valve extends into the machine shell and is connected with the blowing pipe. A pressure sensor is installed at one end of the blowing air bag, and the sensing end of the pressure sensor extends into the blowing air bag. According to the utility model, the controller is used for carrying out continuous two or more injection tests on the pulse valve, whether the pulse valve has faults can be accurately judged by comparing test data, meanwhile, manual intervention is reduced, and the detection efficiency is improved.

The application provides a test method of a storage control device and an electronic device, which can be applied to the technical field of computers. The test method comprises the following steps: performing a physical layer state management operation on a first target storage device mounted by a to-be-tested storage control device, and obtaining a first error injection test result based on a response operation of the to-be-tested storage control device to a response condition of the first target storage device; performing an input / output non-response fault injection operation on a second target storage device mounted by the to-be-tested storage control device, and obtaining a second error injection test result based on a response operation of the to-be-tested storage control device to the second target storage device; performing an offline and deletion operation on a third target storage device mounted by the to-be-tested storage control device, and obtaining a third error injection test result based on a response operation of the to-be-tested storage control device to the third target storage device, so as to generate a test result of an error processing mechanism of the to-be-tested storage control device.

The application provides a message error injection method and device based on an IB protocol, and the method comprises the following steps: configuring an error injection mode in an error injection register according to a test target; when the error injection mode is configured as a free error injection mode, configuring an error injection switch, an error injection randomness and an error injection message domain segment value, and configuring the error injection switch as starting; when the error injection mode is configured as a protocol error injection mode or a retransmission check mode, directly configuring the error injection switch as starting; based on the configuration information of the error injection register, performing error injection test on a detected IB message, and reading the error injection register after the error injection is completed to query error injection test execution information. The scheme provided by the application improves the convenience and authenticity of message error injection.

Method for detecting and remediating plug failure during plug-and-perforation operations can include forming perforations the casing of a wellbore at an first stage; recording instantaneous shut-in pressure (ISIP) of an injection test at the first stage (ISIPSTG(N)_INJ); recording ISIP of fracking operations at the first stage (ISIPSTG(N)_FRAC); setting a plug uphole of the perforations and downhole of planned perforations for a second stage; recording ISIP of an injection test at the second stage (ISIPSTG(N+1)_INJ); determining the plug has failed if ISIPSTG(N+1)_INJ≤ISIPSTG(N)_INJ and ISIPSTG(N+1)_INJ≤ISIPSTG(N)_FRAC); based on determining the plug has failed, calculating a volume of communication between the first stage and the second stage; pumping a fluid carrying powdered palm tree leaves downhole while measuring surface pressure until the surface pressure stops increasing; and forming perforations the casing of a wellbore at the second stage.

The application discloses a land full-scale diesel engine exhaust spraying test system, which comprises a flue gas generating device, an exhaust pipe, a spraying cooling system, a side simulation structure, a sailing wind simulation device, a waste water collecting pool and a monitoring mechanism; the flue gas generating device comprises a same type diesel engine as actually used by a ship; the exhaust pipe is arranged according to the actual exhaust pipeline of the ship; the exhaust spraying device of the spraying cooling system is arranged on the straight pipe of the exhaust pipe; the side simulation structure is arranged at the exhaust port of the exhaust pipe; the sailing wind simulation device is arranged at the side of the exhaust port of the exhaust pipe; the waste water collecting pool is arranged below the exhaust port of the exhaust pipe; the data control box of the monitoring mechanism receives the data of temperature sensors, pressure sensors and flow meters and transmits the data to an upper computer; and according to the received data, the spraying cooling system is controlled to work. The application can accurately simulate the exhaust working condition of the diesel engine of the ship and obtain accurate exhaust spraying effect data.

The invention discloses a method and a system for testing synchronous digital quantity injection of a regional stability control system based on network time synchronization, and the method is characterized in that the method comprises the following steps: S1, determining a test case needed by each control strategy function test of the stability control system according to the architecture and functions of the regional stability control system; s2, based on the test state sequence and the test input quantity determined by the test case, automatically generating a stability control system digital quantity injection test script matched with the test state sequence and the test input quantity; s3, through a network time synchronization mechanism, it is ensured that clock references of the test computer systems of all the sites are consistent, triggering time marks of test cases are set in a unified mode, and generated test case scripts are distributed to stability control devices of all the sites; and S4, analyzing the received test case script by the stability control device of each station, and extracting a test state sequence and characteristic parameters related to the station device.

The utility model belongs to the technical field of test pit water injection test equipment, and discloses a test pit water injection test device capable of preventing external interference, the test pit water injection test device comprises a protection assembly and a test assembly, the protection assembly comprises a side enclosure frame and a cover plate, and the side enclosure frame forms a test area; one ends of the two cover plates are detachably connected with each other; the test assembly comprises a support, a water supply bottle and an iron ring piece. The two ends of the support are detachably connected with the two opposite sides of the side enclosure frame respectively. At least one water supply bottle is inversely arranged on the support, a water level gauge is arranged on the water supply bottle, and a water outlet of the water supply bottle is connected with the iron ring piece through a water pipe; the iron ring piece is arranged below the support and connected with the support through the connecting rope. The protection assembly is arranged on the test assembly, so that a wind-proof and external interference protection cover does not exist during construction site and field work; the problems that the amount of water permeating into soil cannot be accurately measured and recorded due to excessive water loss or great influence of environmental factors, the permeability coefficient of the soil is difficult to accurately measure, and the requirements on measurement precision and efficiency cannot be met in the prior art are solved.

The invention provides a puncture device for a pharmaceutical injection test, and relates to the technical field of medical experiments, the puncture device comprises a base mechanism, the base mechanism is fixed on a forearm of a non-human primate experiment body through a first medical adhesive tape and a second medical adhesive tape, and the base mechanism is fixedly provided with an injection tube through a locking mechanism; a middle connecting pipe is installed at one end of the injection pipe, a separation non-return hose is inserted into the end, away from the injection pipe, of the middle connecting pipe, and a needle mechanism is fixedly installed at the end, away from the middle connecting pipe, of the separation non-return hose. Through the cooperation of the base mechanism, the first medical adhesive tape, the second medical adhesive tape and the silica gel pad, comfortable and stable attachment of the device to the forearm of an experimental body is achieved, pulling caused by animal movement is effectively resisted, and through rigid locking of a threaded inclined plate and a fastening nut of the locking mechanism to an injection tube clamping convex ball, the clamping convex ball can be locked more firmly. And the reliability of connection between the infusion tube and the middle connecting tube is further ensured.

The utility model provides refrigerant poisoning and oil injection test equipment, which relates to the technical field of sensor detection, and comprises a base, a test barrel is mounted at the top end of the base close to the left side, a control box is mounted at the top end of the base close to the right side, a controller is mounted in the control box, a support is welded at the top end of the control box, and the support is welded at the top end of the control box. A mixing tank is installed at the top end of the support, a drawing box is installed at the position, close to the bottom, of the left side of the test barrel, a plurality of fixing grooves are formed in the top end of the drawing box and located in the test barrel from left to right at equal intervals, and clamping pieces are symmetrically installed on the left side and the right side in each fixing groove; springs are fixedly connected between the outer sides of the clamping pieces and the inner walls of the fixing grooves, the refrigerant sensor is sent into the test barrel by pushing the drawing box, the refrigerant sensor can be taken without opening the sealing cover, and compared with a traditional installation mode, the use convenience is greatly improved, and the use experience feeling is effectively improved.

The utility model discloses an air and steam nested injection test device, which comprises an air injection pipe and a steam injection pipe, the steam injection pipe is nested in the air injection pipe, and the input end of the air injection pipe is connected with a centrifugal fan through an air conveying assembly. The input end of the centrifugal fan is connected with a colored smoke generating structure, and the input end of the steam injection pipe is connected with a steam generator through a steam conveying assembly. According to the invention, the steam injection pipe is nested in the air injection pipe to form the nested pipeline, and during the injection test, under the action of the steam generator and the steam conveying assembly, high-temperature steam is injected into the air injection pipe, so that the steam and air are mixed in the nested pipeline, and the steam injection test is completed. And then under the action of the centrifugal fan and the air conveying assembly, the mixed air and high-temperature steam are uniformly accelerated to be jetted into the hearth, so that the effect of enhancing combustion can be achieved, and the penetrating power can be improved.

The application discloses a puncture device for pharmaceutical injection test and belongs to the technical field of medical devices. The puncture device comprises a support plate, a connecting pipe which is slidably connected to the support plate, a puncture needle which is installed at one end of the connecting pipe close to the support plate, a liquid storage cavity which is arranged in the connecting pipe, the liquid storage cavity of the connecting pipe being communicated with the puncture needle, symmetrically distributed connecting rods which are fixedly connected to one side of the support plate away from the connecting pipe, the axis of the symmetrically distributed connecting rods and the axis of the connecting pipe being located on the same plane, and a positioning plate which is hingedly connected to the symmetrically distributed connecting rods, and the positioning plate is provided with a through hole. In the puncture process, the positioning plate is used for extruding, stretching and pressing the skin at the puncture position of the patient, the position stability of the connecting pipe and the puncture needle is maintained, the direction guidance is provided for the connecting pipe and the puncture needle, the puncture needle is more stable in the moving process, and the stability of the puncture needle in the puncture process is improved.

The invention discloses a post-processing efficiency monitoring model building method, which relates to the technical field of engine post-processing, and comprises the following steps: through monitoring data of a front NOx sensor and a rear NOx sensor, generating front NOx initial monitoring data and rear NOx initial monitoring data, collecting exhaust temperature data and urea injection amount data, identifying and generating vehicle state data, and establishing a post-processing efficiency monitoring model according to the vehicle state data. Judging whether the post-processing system state meets a setting trigger state or not; if yes, whether the vehicle state data meet the set state condition or not is judged through the ECU; if yes, injection testing is carried out, and ammonia gas is filled into the SCR catalyst, so that the SCR catalyst reaches the maximum ammonia storage state; according to the post-processing efficiency monitoring model building method, through pre-fault analysis, condition judgment, injection testing, injection stopping testing, efficiency calculation and fault judgment, the technical defects of a rear NOx sensor are avoided, the fault recognition accuracy is greatly improved, and the influence of ammonia leakage is eliminated.

The invention discloses a high-frequency excitation device injection evaluation method based on active online monitoring of a transformer. The method comprises the following steps: building a transformer active monitoring injection test platform, carrying out a test based on the transformer active monitoring injection test platform, measuring signals of an injection coil suspension point and a high and medium voltage output side sensing coil after active injection of a high-frequency excitation device, then carrying out FFT analysis on the measured signals, and respectively calculating quality evaluation factors and correlation coefficients. And evaluating the injection effect of the high-frequency excitation device based on the quality evaluation factor and the correlation coefficient. The method can effectively evaluate the injection effect of the high-frequency excitation device.

The invention relates to the technical field of lightning induction tests, and discloses a lightning induction transient sensitivity test simultaneous injection test method comprising the following steps: determining the electrical connection state of a device to be tested; determining the number of cables or pins of the corresponding combined test according to the connection state of the to-be-tested equipment; classifying the cable bundles according to the distribution condition; classifying the pins according to working types; performing connection and performance verification on the lightning generator and coupling equipment; the coupling / injection equipment and the monitoring equipment are connected with a tested system, and lightning energy is injected into the equipment to be tested by using a generator and is monitored. According to the invention, through simultaneously injecting lightning energy into a plurality of tested parts of the tested equipment and simultaneously acting on the equipment, a real lightning stroke action mechanism can be reflected, and transient influence of lightning stroke on the system can be simulated, so that the condition that an electronic and electrical system is interfered by lightning stroke when an airplane is struck by lightning stroke can be judged; and a test technical support is provided for subsequent lightning protection work.

The utility model discloses a skid-mounted calcium hydroxide injection test device which comprises a box body, an injection head is fixedly installed on the outer surface of the front end of the box body, a movable frame is fixedly installed on the outer surface of the lower end of the box body, and an experiment material box is fixedly installed on the side, away from the injection head, of an inner cavity of the box body. A pumping structure is connected between the experiment material box and the spraying head, a feeding pipe is fixedly installed on the outer surface of the upper end of the experiment material box, and a stirring anti-blocking box is fixedly installed at the rear end of the outer surface of the upper end of the box body. According to the skid-mounted calcium hydroxide injection test device disclosed by the utility model, the stirring anti-caking box is arranged, the scattering device can be driven to rotate through operation of the stepping motor, calcium hydroxide in the stirring box is scattered through the scattering device, calcium hydroxide caking is avoided, and through the arranged auger blade, the calcium hydroxide can be uniformly dispersed in the stirring box. Calcium hydroxide in the stirring box can be conveniently fed into the experiment material box.

The utility model discloses a desulfurization slurry jet test device of wet desulfurization process, including test tank, and intake pipeline and exhaust pipeline connected to the test tank, the inside of test tank is connected with annular pipe, the annular pipe is connected with a plurality of nozzles, and the liquid inlet end of annular pipe is connected with pressure regulating mechanism, and the pressure regulating mechanism is connected with the pressure regulating mechanism. The pressure adjusting mechanism comprises a pressure adjusting box, an air cylinder, two connecting plates, two gears, a toothed plate and two baffles, the air cylinder is connected to the end of the pressure adjusting box, the power output end of the air cylinder is connected with the toothed plate, the toothed plate is used for driving the two gears to rotate synchronously, the liquid discharging end of the pressure adjusting box is communicated with the annular pipe, and the annular pipe is communicated with the air cylinder. And the liquid suction end of the infusion pump is connected with the liquid supply unit. According to the utility model, the amount of liquid flowing into the liquid conveying pipeline can be adjusted, so that the spraying pressure can be controlled to adapt to flue gas with different flows, the saving effect is achieved, and the waste of slurry is avoided.

The application provides a kind of small rotary casing class parts multifunctional test device and use method, it is related to test device technical field, the main body mechanism of the present application includes base, two bending handles are fixed on the left and right sides of base by screw, the right side of base is fixed with support plate by screw, and round hole is opened on support plate for placing flow direction test mechanism and atomization test mechanism.The application integrates the main body mechanism, flow direction test mechanism and atomization test mechanism, realizes the effective flow direction test of small rotary casing class parts, nozzle total flow test, atomization injection test and gas circuit oil circuit cross test and other multiple functions on the same set of device, without replacing multiple sets of test equipment, significantly reduces the equipment investment cost and site occupation area, simplifies the test process, avoids the repeated disassembly and repositioning of parts, effectively reduces the risk of damage caused by multiple clamping of parts, greatly improves the test efficiency.

A method for synchronizing an internal combustion engine in a hybrid vehicle with an electric motor is proposed, comprising the following steps: applying an initial rotational speed setpoint to the electric motor (typically 2500 rpm), then synchronizing the internal combustion engine using the rotational signals from the camshaft and crankshaft. In the event of a camshaft signal failure, an initial position assumption for the internal combustion engine is selected from several possibilities, and injection tests are performed by adjusting the rotational speed setpoints. Once the idle speed setpoint is reached, the rotational speed setpoint of the electric motor is reduced to a new value (typically 2000 rpm). If the assumption is validated, the speed setpoint process is stopped; otherwise, another assumption is tested until a validation is achieved.

The utility model discloses an oil seal rotation test bench oil injection test system, which comprises a bottom plate platform, an oil tank, an output oil cylinder and a stress oil cylinder, the oil tank is used for storing test oil and installed at a high position of the bottom plate platform, the output oil cylinder and the stress oil cylinder are installed at a low position of the bottom plate platform, and the output oil cylinder is connected with a hydraulic station. An oil tank oil outlet pipe is arranged at the bottom of the oil tank, a first pneumatic ball valve, a three-way connector and a second pneumatic ball valve are installed on the oil tank oil outlet pipe, a first connector and a second connector of the three-way connector are connected with the first pneumatic ball valve and the second pneumatic ball valve respectively, and a third connector of the three-way connector is connected with a stress oil cylinder oil pipe. And the other end of the stress oil cylinder oil pipe is connected with a front end interface of the stress oil cylinder. By means of the mode, the oil seal test system can save test oil consumption when an oil seal experiment is conducted, pollution and waste caused by frequent replacement of test oil products in the experiment are avoided, and it is guaranteed that pressure can be stably output during pressurization.

The present invention proposes a solid-state hard drive error injection testing method, which is applied to a flash memory controller in a solid-state hard drive, including: obtaining data to be written into the flash memory; after triggering the error injection test according to a preset error injection triggering method, performing multiple error injection tests on the data to be written into the flash memory during the verification and error correction process; obtaining test results of the multiple error injection tests. The present invention also proposes a solid-state hard drive error injection testing device, equipment and medium, which realizes active verification testing of the error correction and recovery functions of the solid-state hard drive, can effectively verify the completeness of all error correction and recovery functions of the solid-state hard drive, can effectively eliminate unknown bugs in the software code, and effectively improve the qualification rate of solid-state hard drive products.

The utility model discloses a fire extinguisher injection test device, which comprises a mounting plate, a fixing plate and a test plate fixedly connected with the mounting plate, an injection pipe and a graduated scale are arranged on the upper surface of the test plate, and a pressure detection module for detecting pressure is arranged on the upper surface of the test plate; a clamping assembly used for clamping fire extinguishers of different sizes is arranged on the upper surface of the fixing plate. Fire extinguishers are placed in the fixing groove, then the fire extinguishers with different sizes are clamped through the clamping assembly, and then the hydraulic push rod drives the fire extinguishers to move to the height of the injection pipe, so that it is guaranteed that fire extinguisher tests can be kept under the same condition every time, and then the accuracy of fire extinguisher injection tests is guaranteed; when the fire extinguisher is subjected to injection detection, the injection distance, the injection pressure and the injection time of the fire extinguisher are measured through the graduated scale, the pressure detector and the timer, the overall applicability of the test device is improved, and meanwhile, the detection function of the fire extinguisher test device is added.

1. The name of the design product: puncture device for pharmaceutical injection test. 2. The use of the design product: the design product is used for puncturing human tissue and injecting therapeutic solution. 3. The design points of the design product: the overall shape of the appearance. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention provides a performance verification test system and test method of a passive safety injection system, the test system comprises a gas supplementing flow channel and a water supplementing flow channel, one end of the gas supplementing flow channel extends to a gas space of a safety injection box; one end of the water supplementing runner extends to the liquid space of the safety injection tank; a safety injection pipeline and a drainage pipeline are arranged on the safety injection tank, one end of the safety injection pipeline extends to the reactor pressure vessel, one end of the drainage pipeline extends to the water storage tank, a liquid level meter is arranged in the safety injection tank, and a temporary test flowmeter is arranged on the drainage pipeline; the device further comprises a control system, and the control system is used for collecting time-varying data of the liquid level meter and the flow meter during the MAP test to obtain a first target relational expression of the outflow volume of the safety injection tank and the liquid level; the control system is used for collecting data of the liquid level meter during a safety injection test and obtaining a second target relational expression that the liquid level of the safety injection tank changes along with time; and calculating the flow values at different moments in the safety injection test process by using the first target relational expression and the second target relational expression.