194 results about "Speed test" patented technology

The invention relates to the technical field of bearing detection, in particular to bearing detection equipment for bearing production and processing. The speed measurement sensor is arranged on the top surface of one side of the test bench, is matched with the layout of the ball cylinder and is used for monitoring the rotating speed of the inner ring and the outer ring of the bearing; the clamping parts are arranged on the two sides of the partition of the test board respectively and used for fixing the positions of inner and outer rings of the bearing; and the switching parts are symmetrically arranged in the test board and are matched with the rotation of the turntable and are quickly switched so as to push the inner ring or the outer ring of the bearing to rotate for rotating speed test. Through the clamping part and the switching part which are operated together, the movement of the inner clamping plate and the outer clamping plate is controlled by utilizing different rotating directions of the turntable, so that the bearing is accurately clamped and fixed at different ring positions according to the detection condition, and then the turntable rotates to synchronously push the air pipe to change the position, so that the inner and outer ring detection of the bearing can be independently operated; therefore, more comprehensive bearing detection is achieved, and double improvement of simple and convenient operation and detection precision is realized.

A network device includes a storage device, a processor and a hardware acceleration circuit. The storage device is arranged to store program codes. The processor is arranged to load and execute the program codes to perform the following operation: during a network speed test period, calculating at least one transmission parameter. The hardware acceleration circuit is arranged to provide a function of hardware-accelerated packet processing, wherein during the network speed test period, the hardware acceleration circuit is further arranged to refer to the at least one transmission parameter to self-generate a plurality of packets and send the plurality of packets to another network device for network speed test.

The invention belongs to the technical field of aero-engine component test environment construction, and provides a dynamic variable speed air inlet channel test method and system under continuous air supply and exhaust conditions, and the method comprises the steps: constructing a spray pipe profile, a tester spray pipe inlet and outlet pressure ratio, air supply and exhaust pressure and a sub-model which is continuously adjusted along with the speed and is used for balancing the flow; inputting a dynamic change requirement of a target speed along with time in a continuous variable speed test under the condition of not stopping air supply into each control sub-model, and establishing a variable speed regulation model of a spray pipe profile, a pressure ratio of an inlet and an outlet of a tester spray pipe, air supply and exhaust pressure balance, a test piece posture and the like along with time in combination with a control rule of each execution mechanism; and a continuous variable-speed flow field meeting variable-speed and time requirements under the condition of uninterrupted air supply and extraction is carried out. According to the method, the blowing test with the speed continuously and dynamically changing can be carried out under the conditions of not stopping air supply and not interrupting operation of a tester, and reliable test data support is provided for design and optimization of an air inlet channel of an advanced aircraft.

The invention provides a quenching liquid cooling speed testing device system and a quenching liquid cooling speed testing method. The quenching liquid cooling speed testing device system comprises a cooling speed testing device, a stirring device, a temperature measuring device, a fixing device and a cooling speed testing and collecting device. The cooling speed testing device is a hollow box body with an opening in the upper end; a U-shaped pipe with an opening in the upper end is fixed in the hollow box body; the heights of the two ends of the U-shaped pipe are different, the higher end is a first branch pipe, and the lower end is a second branch pipe; a temperature measuring device is arranged in the first branch pipe; a stirring device is arranged in the second branch pipe; and a fixing device is connected above the cooling speed testing device. By improving the cooling speed testing device, the temperature drop curve and the cooling speed in the quenching process can be conveniently and quickly tested, the actual working condition of a site can be better simulated, it is ensured that quenching liquid is in a stable state in the testing process, and then the accuracy and the reliability of a quenching testing result are improved.

The invention discloses an elevator speed governor speed test device, and relates to the technical field of elevator test.The elevator speed governor speed test device comprises a base, a frame, a lifting mechanism, a driving mechanism and a speed tester, and the frame is arranged on the base in an extending mode in the vertical direction; the lifting mechanism is arranged on the frame and comprises a lifting part and a lifting driving structure, the lifting part can move in the vertical direction relative to the frame, and the lifting driving structure is used for driving the lifting part to move in the vertical direction; the driving mechanism comprises a driving wheel and a rotary driving structure, the rotary driving structure is arranged on the lifting part, the driving wheel is located above the mounting structure of the base and can rotate around the axis in the first horizontal direction, and the rotary driving structure is in transmission connection with the driving wheel. According to the technical scheme provided by the invention, the contact surface of the driving wheel and the speed governor rope wheel is adjusted so as to have enough adhesion and static pressure, and the possibility that the driving wheel slips or shifts easily during testing is reduced.

The invention relates to the technical field of marine science, and provides a response speed testing device and method for a marine natural potential sensor, and the device comprises a box body which is located at the top of an installation space; the potential switching module is positioned below the ocean natural potential sensor; the voltage measurement module is connected with the marine natural potential sensor, and the voltage measurement module is used for collecting potential transition signals of the marine natural potential sensor and outputting response parameters of the marine natural potential sensor; the potential switching module comprises a power supply unit, a conductor array and a charge processing unit. The conductor array is adopted as a response source, and the reliability of response speed measurement of the marine natural potential sensor is effectively improved. The boron-doped diamond film with low background current and low adsorption is adopted, so that smaller capacitance and charge quantity are obtained, and the influence of charging and discharging on the potential change and the response speed measurement of the potential sensor is reduced.

The utility model relates to a safety blocking device for a high-speed test trolley. The safety blocking device comprises a blocking cable, a guide and guard device and a damping device, the guiding and guarding device comprises a guiding and guarding device A and a guiding and guarding device B which are symmetrically arranged; the damping device comprises a damping device A corresponding to the guide and guard device A and a damping device B corresponding to the guide and guard device B; the damping device A and the damping device B are symmetrically arranged; one end of the arresting cable penetrates through the guide and guard device A to be connected with the damping device A, and the other end of the arresting cable penetrates through the guide and guard device B to be connected with the damping device B; the damping device A and the damping device B work synchronously, and the arresting cable winding drum A and the arresting cable winding drum B rotate synchronously, so that the arresting cable is retracted and released; the arresting cable is passively controlled to be released to stop the high-speed test trolley.

Disclosed is a system (200) and a method (500) for performing a network speed test. The method comprises controlling an application interface of a user device (110) to display options related to configurability of speed test parameters. The speed test parameters are then configured in response to the input corresponding to the displayed options. The speed test parameters are provided to a backend service deployed on a server of the servers (250). The network speed test is then performed, using a microservice (240) associated with the backend service, on a transport layer protocol. A result of the network speed test is transmitted to a port of the user device (110).

The invention relates to a method and system for predicting the maximum rotating speed of a power turbine after an engine loses load, and belongs to the field of aviation gas turboshaft engines. The method comprises the following steps that a pressure signal of a gas compressor outlet of the engine, a pressure signal of a main oil way of a fuel oil distribution device and a pressure signal of an auxiliary oil way of the fuel oil distribution device are obtained; performing a simulation over-rotation test under the maximum state of the engine, and obtaining a fuel oil rule of the maximum state over-rotation of the engine according to a test result; carrying out segmented iterative calculation on the rotating speeds of the power turbine at different time points in the maximum state over-rotating process of the engine to obtain a relationship between the rotating speeds of the power turbine and time; and according to the relationship between the power turbine rotating speed and time, the maximum power turbine rotating speed in the maximum state overrunning process of the engine is obtained. According to the method, the response time, the fuel attenuation rule and the torque change rule of the over-rotation protection system are fully considered, and the maximum rotating speed under the condition of shaft breakage of the engine can be accurately predicted.

The utility model relates to the technical field of electric tool testing, in particular to angle grinder rotating speed testing equipment. Comprising a mounting bottom plate, and further comprises placing station frames which are arranged at the top of the mounting bottom plate in a left-right spaced mode and used for placing and supporting angle grinders; the clamping mechanisms are arranged at the top of the mounting bottom plate in a left-right spaced mode and used for clamping and fixing the angle grinder; the downward pressing mechanism is arranged at the transmission end of the clamping mechanism on the right side and used for pressing a start button on the angle grinder so that the angle grinder can operate. And the rotating speed detection mechanism comprises a supporting frame, an encoder and a hose, the supporting frame is installed at the left end of the top of the installation bottom plate, the encoder is arranged at the top of the supporting frame, the hose is arranged at the detection shaft end of the encoder, and the lower end of the hose is connected with an output shaft of the angle grinder. According to the utility model, the rotation speed of the angle grinder can be automatically detected, the test efficiency is improved, and the test result is accurate and objective.

This invention provides a testing device and method for testing the maximum driving speed of a weapon station artillery piece. The testing device includes a testing box and a laser pointer. The laser pointer is coaxially mounted on the muzzle. The testing box contains a power module, a maximum driving speed test board for elevation and azimuth, and a maximum driving speed test board for azimuth. Four photosensitive modules and a stopwatch are arranged on the same panel of the testing box. Two photosensitive modules are symmetrically arranged at the top and bottom and left and right positions of the panel, respectively, to convert the received laser signals into electrical signals and transmit them to the maximum driving speed test board for elevation and azimuth or the maximum driving speed test board for azimuth, thereby controlling the start or end of the stopwatch. Based on the elevation and azimuth angles and the stopwatch display time, the maximum driving speed of the artillery piece for elevation downward and upward, and azimuth left and right is calculated. The device of this invention has high testing efficiency and accurate test results, overcoming the problems of complex and error-prone existing testing processes.

A bearing limit rotation speed test data acquisition device comprises a base for fixing a to-be-tested bearing and a main shaft penetrating through the to-be-tested bearing. The main shaft is connected with the power mechanism, and the rotating speed is controlled by the controller; a plurality of axial loading oil cylinders for applying axial loading force to an outer ring of the bearing are arranged on one side of the bearing to be measured, a temperature sensor in contact with the outer ring of the bearing is arranged on the base, and the axial loading oil cylinders are connected with a pressure sensor for measuring loading pressure; output signals of the temperature sensor and the pressure sensor are connected to the data acquisition unit; the data acquisition unit is provided with a timing unit and a storage unit used for storing the temperature value measured by the temperature sensor and the time value of the timing unit in an associated manner. The data acquisition device is used for acquiring and storing related data, so that the incidence relation between the temperature change of the bearing and the time can be conveniently obtained through related historical detection data, and the problem that the overall time consumption of the test is too long due to the fact that independent repeated tests are needed after the parameters of the bearing are adjusted each time can be solved.

The invention relates to the technical field of rubber product processing control, and discloses a control method and system for a sealing ring automatic production line, and the control method for the sealing ring automatic production line comprises the steps: constructing an equipment reference resistance curve in a no-load state; the servo press is controlled to execute a micro-speed steady-state exhaust sequence, and the position locking state is maintained at the closed tail end; calculating a net rheological torque in combination with the reference curve, and extracting a contact displacement drift amount, an in-situ vulcanization rate index and a stress relaxation rate; according to the parameters, the filling stability and the rubber material rheological state are judged, and a process correction instruction is generated. According to the method, physical and chemical characteristics are accurately decoupled from servo torque signals through a micro-speed test and position locking mechanism, closed-loop control over foreign matter risks, filling quality and vulcanization degree is achieved through multi-dimensional parameters, and the problem of quality instability caused by rubber fluctuation in sealing ring production is effectively solved.

The utility model belongs to the technical field of propellant performance test, and discloses a target line method burning rate test sample burning support which comprises four metal rods (1) with different lengths, a crucible (2), a metal base (4) with a fillet, a hollow metal cover support with a clamping groove, four electric wires (7), a hollow grip (8) and a four-core aviation plug (9). The four metal rods are uniformly and vertically arranged above the metal base; the crucible is fixed above the metal base and is positioned in the middle of the four metal rods; the four electric wires are in one-to-one correspondence with the four metal rods; one end of the wire is connected with the corresponding metal rod, and the other end passes through the hollow metal handle and is connected with the corresponding jack of the four-core aviation plug. According to the technical scheme, the electric wire is collected in the hollow metal grip, so that a worker is prevented from touching the electric wire when installing the combustion support, and the experiment safety is ensured while the worker conveniently installs the combustion support.

A network device includes a storage device, a central processing unit (CPU), a hardware acceleration circuit, and a network processing unit (NPU). The storage device stores program codes. The CPU loads and executes the program codes to deal with a control function of a network speed test. The hardware acceleration circuit provides hardware-accelerated packet forwarding. The NPU interacts with the control function performed by the CPU, and deals with processing of data packets used for the network speed test. Transmission of the data packets between the network device and another network device is performed through the NPU and the hardware acceleration circuit, without intervention of the CPU.

A network device includes a storage device, a central processing unit (CPU), a hardware acceleration circuit, and a network processing unit (NPU). The storage device stores program codes. The CPU loads and executes the program codes to deal with a control function of a network speed test. The hardware acceleration circuit provides hardware-accelerated packet forwarding. The NPU interacts with the control function performed by the CPU, and deals with processing of data packets used for the network speed test. Transmission of the data packets between the network device and another network device is performed through the NPU and the hardware acceleration circuit, without intervention of the CPU.

The utility model discloses a novel high -speed test mechanism of 0BB, including bottom plate and install the carousel and IV detection subassembly on bottom plate, the outside shaping of carousel has four stations, and both sides of every station all are installed with adsorption subassembly, and one side of IV detection subassembly installs detection camera, and the front end of IV detection subassembly is installed with XYT adjusting platform, and both sides of XYT adjusting platform all are provided with vertical adjusting seat, and the installation board is connected between two vertical adjusting seats, and the support seat is installed on the installation board, and the PCB vacuum support board is locked on the support seat. This novel high -speed test mechanism of 0BB is transferred to the top of PCB vacuum support board by carousel after the photograph of camera, and the lower surface of silicon wafer is detected after the rise of PCB in the position adjustment of PCB vacuum support board, and the stability of silicon wafer is improved by the adsorption of silicon wafer, and the smooth operation of IV detection is guaranteed.

The utility model discloses an average speed and deceleration measuring system of an agricultural machine, particularly relates to the technical field of mechanical testing, and aims to solve the problems that the real-time speed and deceleration of the agricultural machine in the prior art need to be manually operated, and are tedious, low in accuracy and the like. The top of each portal frame is provided with an LED screen, a photoelectric switch and a signal lamp. An operation pavilion is arranged on one side of the test runway, an industrial personal computer is arranged in the measurement pavilion and provided with an upper computer module, a satellite navigation system is arranged on the agricultural machine, and the industrial personal computer is in signal connection with the satellite navigation system, the LED screen, the photoelectric switch and the signal lamp. And the industrial personal computer can control the display of the LED screen and the color switching of the signal lamp according to the monitoring signal of the photoelectric switch. According to the utility model, the measurement precision of the agricultural machinery speed test can be improved, the working intensity of operators is reduced, and the operation process is automatic, intelligent and informationized.

The invention discloses a machine tool performance testing method and device, a medium, a program product and electronic equipment, the machine tool performance testing method is applied to a machine tool, and the machine tool comprises a main body and a cutting part installed on the main body. The machine tool performance test method comprises the following steps: controlling a cutting piece to perform multiple cutting operations on a test original piece under the condition that a machine tool test condition is met so as to process the test original piece into a test workpiece; the cutting operation comprises the steps that the cutting part is controlled to cut the test original part based on a preset path to form a cutting hole and a step, and the step comprises side edges perpendicular to each other and side edges parallel to each other; wherein in the at least two times of cutting operation, the rotating speeds of the cutting piece are different. According to the machine tool performance testing method, the machine tool controls the cutting part to adopt different rotating speeds in at least two times of cutting operation, the limitation of a traditional constant rotating speed test is overcome, and a more real and comprehensive evaluation basis is provided for the comprehensive performance of the machine tool.

The utility model relates to the technical field of sensor supports, and provides a speed test sensor support for a circuit breaker, which is connected by matching a ball head with a connecting buckle, can quickly and conveniently adjust the angle of a speed sensor in a test process, ensures that the speed sensor is quickly aligned with a test position, and reduces the adjustment time, thereby improving the overall test efficiency. The testing personnel can complete the speed test more efficiently; by adopting the connecting frame, the crab clamp and the connecting buckle, the connecting buckle is locked by utilizing the clamping knob and the hand screw, the bracket can stably fix the speed sensor, and the data error caused by the movement of the bracket in the testing process is avoided. The clamping knob and the arc-shaped handle can more conveniently lock or loosen the connecting buckle; by adding the connecting rod and the connecting buckle, the support can cover the speed sensor in a larger range.

The invention discloses a method for generating a five-time flying shear curve of an electronic cam, and the method comprises the steps: firstly importing a D0 parameter into an S0 pre-calculation module, and obtaining a D1 synchronous segment parameter and a D1 ascending segment parameter; if the short-period characteristic in the J0 is met, a short-period starting point dimensionless speed test and optimization module in the S1 is called, and a result is imported into a waiting-section-free flying shear curve generation module in the S4 to obtain a key point; if the J0 is not in accordance with the short-period characteristics in the J0 and the J1 is forced to have no waiting section, calling an S2 long-period no-waiting section resolving module, importing a result into an S4 no-waiting section flying shear curve generation module to obtain a key point when a solution exists, and reporting an error in S5 when the solution does not exist; and if J0 medium-short period characteristics are not met and J1 accepts a waiting section, a long-period rising section adjusting module S3 is called, and a result is imported into a waiting section flying shear curve generating module S6 to obtain a key point. According to the method, various working conditions in the five-time flying shear curve generation process are fully considered, and the optimal curve can be generated within the range set by a user.

The utility model provides a speed measurement trolley detection device, which comprises a mounting frame, a driving piece and an adjusting mechanism, the driving piece and the adjusting mechanism are fixedly mounted on the mounting frame, and the mounting frame is mounted on a shell of a speed measurement trolley; the adjusting mechanism is used for abutting against the centrifugal speed governor and controlling the centrifugal speed governor to rotate around a hinge shaft of the centrifugal speed governor by a set angle, so that the speed measuring wheel of the speed measuring trolley is separated from the track; the driving part is connected with a centrifugal speed limiter of the speed measuring trolley and used for driving the centrifugal speed limiter to rotate. According to the detection device, the speed measuring wheel of the centrifugal speed governor is separated from the track through the adjusting mechanism and then is matched with the centrifugal speed governor through the driving part, so that the rotating speed of the centrifugal speed governor is measured to verify the reliability of the centrifugal speed governor under the condition that a spring of the centrifugal speed governor is not detached or the whole speed measuring trolley is not detached from the track, the overall installation is simple, and the cost is low. And a complicated installation process is not needed.

The invention relates to the technical field of microscope application, in particular to an SICM scanning control method and related device based on feedback quantization, and the method comprises the steps: obtaining the test height and the initial scanning speed of a test point, the initial safety height and the first speed of the test point, and the second speed of the test point, and starting to adjust the point; controlling the scanning probe to go down to the first speed of the test point from the initial safe height of the test point at the initial scanning speed of the test point, starting to adjust the point, intervening in the first dynamic speed adjustment, continuing to go down to the second speed of the test point, starting to adjust the point, intervening in the second dynamic speed adjustment, continuing to go down, and continuing to go down; according to the control method, the speed is correspondingly and dynamically adjusted in a targeted mode according to the downward probing position of the probe by setting the speed initial adjusting point position, and the problems that in the prior art, the scanning time resolution of the scanning ion conductance microscope is low, and safety is poor are solved.

The invention provides a simulation system and method for predicting road transportation capacity in a rock-fill dam field based on vehicle speed. The simulation system comprises a vehicle speed monitoring module, a vehicle speed data set, a vehicle speed space-time prediction module and a road transportation evaluation module. The vehicle speed monitoring module is used for deleting data of an abnormal track of a transport vehicle, and deleting repeated data and isolated data to generate first standard vehicle speed data; the vehicle speed data set adopts a regional range to divide first standard vehicle speed data to obtain a vehicle speed training set, a vehicle speed verification set and a vehicle speed test set; the vehicle speed space-time prediction module is used for establishing time and space relevance of each node of a vehicle speed training set, a vehicle speed verification set and a vehicle speed test set to obtain second standard vehicle speed data; and the road transportation evaluation module outputs the road transportation capacity according to the second standard vehicle speed data and a road segment saturation flow method. The construction road transportation capacity evaluation system can accurately evaluate the construction road transportation capacity.

The invention provides an in-speed test design method beneficial to time sequence optimization. The in-speed test design method comprises the following steps: S1, a chip design stage, a comprehensive stage and a test vector generation stage: a buffer is arranged in a netlist; s2, a back-end design stage: no buffer exists in a netlist output by a back end; s3, manually modifying the netlist, and adding a buffer; s4, a form verification stage: comparing that the functions of the netlist are the same before and after the addition of the buffer; s5, a test vector generation stage: inputting a netlist containing a buffer; and S6, a simulation verification stage, wherein no buffer exists in the verified netlist. By using the method, the chip can reach faster frequency; the balance of the clock network can be ensured, the structure of the clock network can be simplified, the possibility of errors is reduced, and the process is simpler; the clock path is inserted into an inverter to optimize the time sequence, and the power consumption is lower than that of an inserted buffer; the size of the chip can be reduced by deleting unnecessary buffers, and the production cost is saved; and the correctness is ensured.

The embodiment of the invention discloses a forward collision test analysis method and device, electronic equipment and a storage medium, and the method comprises the steps: executing an active emergency braking simulation task of a vehicle active emergency braking system according to a preset test scene case and a preset test speed, and collecting test feedback data; determining a test index attribute value corresponding to the at least one test index dimension based on a preset test scene case, a preset test speed, the test feedback data and a pre-trained collision result analysis model; and determining a target test attribute corresponding to the active emergency braking simulation task based on the test index attribute value corresponding to each test index dimension, so that the transformation of the vehicle active emergency braking system test from traditional manual evaluation to intelligent and efficient analysis is realized on the whole. The test efficiency of the vehicle active emergency braking system and the accuracy of the test result are improved.

The present invention discloses an elliptical forming mechanism for preparing fully coated composite pipes, composite rods, composite plates and strips, composite busbars and composite profiles by isothermal composite of multiple metals, comprising a pair of upper elliptical rollers, lower elliptical rollers, an adjustable archway, a heater device, a circulating water constant temperature device, a temperature measuring and temperature controlling device, a power assembly and overrunning clutch device, a speed encoder and PLC programming control. The upper and lower elliptical rollers are assembled on the adjustable archway, and several elliptical forming mechanisms are linked to form a multi-level system. The elliptical forming mechanism is in an inert gas atmosphere, the heating device makes the elliptical forming mechanism in a set temperature range, and the temperature-controlled circulating water flows through the axial shunt pipes of the upper and lower elliptical rollers to keep the temperature of the elliptical forming mechanism constant. The elliptical forming mechanism is used to position the coating layer metal substrate and limit the sandwich metal substrate and the core metal substrate to make them centered. The elliptical forming mechanism continuously exchanges heat with the coating layer metal substrate, the sandwich metal substrate and the core metal substrate to establish a multi-metal isothermal composite working condition.

The invention provides a large-size engine acceleration test connecting system which comprises a speed test connecting system, a base connected with a centrifugal machine mounting table top, a base and centrifugal machine connecting through hole, a pressing plate penetrating hole, a front hoop and base connecting through hole, a front hoop, a test piece first connector fixing cover plate and a test piece second connector fixing cover plate. The device comprises a base, a rear hoop, a rear hoop and base connecting through hole, a test piece joint mounting groove, a test piece joint adjusting push plate and a push plate adjusting threaded hole. The connecting system ensures that the test piece is uniformly stressed in the test load applying direction through the screw rod adjusting mechanism, and the failure mechanism of the test piece in an overload environment is prevented from being confused due to damage caused by concentrated stress of a local bearing structure of the test piece. And an anti-overturning device is designed, so that the overturning risk caused by the test magnitude of resisting the test piece far exceeding the gravity of the test piece is improved, and the test safety is ensured.

This invention relates to a multi-point concurrent UDP bandwidth measurement method, apparatus, and storage medium, applied in the field of network communication technology. It includes: concurrently connecting a client to multiple speed test servers and aggregating and calculating test data from all paths, effectively avoiding interference from momentary congestion of a single network path or load bottlenecks of a single server on the measurement results, enabling the measurement results to more realistically and stably reflect the client's local network access limit capacity; employing a two-stage rate control algorithm combining "target verification and binary search," first attempting to verify the user's expected target bandwidth. If network conditions are good, the test can be completed in one go, greatly improving efficiency; if the target is not achieved, binary search is used to quickly approach and converge to the limit bandwidth value within a fixed number of rounds. This automated detection process significantly improves testing efficiency and automation.

The present application belongs to the technical field of test environment construction of aero-engine components, and provides a dynamic variable-speed inlet test method and system under continuous air supply and extraction conditions, the method comprising: constructing a nozzle profile, a test device nozzle inlet and outlet pressure ratio, and a speed-continuous adjustment sub-model of air supply and extraction pressure and flow balance; inputting the dynamic change requirement of the target speed with time during continuous variable-speed test under non-stop air condition into each control sub-model, combining the control law of each actuator, establishing a variable-speed control model of the nozzle profile, the test device nozzle inlet and outlet pressure ratio, the air supply and extraction pressure balance, and the test piece attitude with time, and performing continuous variable-speed flow field under the conditions of uninterrupted air supply and extraction to meet the variable-speed and time requirements. The method can perform speed-continuous dynamic change blowing test under the conditions of non-stop air and uninterrupted test device operation, and provides reliable test data support for advanced aircraft inlet design and optimization.