184 results about "Calibration test" patented technology

The invention relates to the technical field of reflectivity factor testing, and discloses a weather radar reflectivity factor precision calibration testing system, which comprises a radar data acquisition module for acquiring reflectivity factor data and finishing time synchronization by adopting an IEEE1588 protocol; the reference data management module is used for generating an electronic reference data set by utilizing a block chain technology; the calibration processing module is used for performing multi-source joint correction on the reflectivity factor data, the rain gauge data, the standard meteorological target template and the environmental parameters, and outputting the corrected reflectivity data; the precision verification module is used for carrying out real-time precision test on the correction data based on a sliding window, continuously generating test results, forming a precision evaluation vector by adopting weighted average, extracting a quality index to obtain a comprehensive score, and judging whether the correction data is normal or abnormal; and the alarm and report module is used for triggering graded alarm in case of abnormity and generating a calibration certificate and a test report. According to the invention, the precision monitoring capability is improved, manual judgment errors are reduced, and the operation efficiency is improved.

The invention discloses a test control method and system for a direct-current power supply, and relates to the field of simulation testing, and the method comprises the steps: constructing a three-dimensional adaptive model to complete the matching calibration of system software and hardware, and achieving the load calibration through the comparison of dynamic load simulation and actual measurement data; in the testing process, a three-stage starting mechanism is adopted to power on step by step, fault protection is configured, and parameter scanning and real-time recording are executed according to a preset mode and a testing point; a double-closed-loop feedback mechanism is introduced, an inner loop adjusts output parameters, and an outer loop predicts power grid disturbance and performs advanced compensation; a safety threshold value is dynamically generated in combination with real-time environment data, linkage protection of approaching early warning and overrun protection is achieved, and a reliable effective data set is formed through fusion processing and double verification of multi-source test data. The system has the advantages that the precision and intelligence of the whole test process are realized through dynamic load simulation, a multi-level safety protection system is constructed through a three-level starting mechanism, and the precision, safety and data value of the test are comprehensively improved.

The invention discloses a frequency mixer test method, and relates to the technical field of microwave radio frequency test, and the method comprises the following steps: S1, building a test platform; s2, calibrating the test platform; s3, testing indexes; and according to the received reflection signal and standing wave signal, port isolation test, frequency conversion loss test, port standing wave test and output 1dB compression point test are carried out on the mixer to be tested, and a test curve of each index is drawn after the test is completed. According to the method, all key indexes of the mixer can be tested at different power frequency points through one-time calibration, meanwhile, standing wave testing of the LO port under high power can be achieved, the testing efficiency and accuracy are greatly improved, and the technical problems that in the prior art, multiple times of calibration are needed in the testing process, and the testing efficiency is low are solved.

The invention discloses a hybrid temperature compensation method for a miniaturized laser inertial measurement unit, which comprises the following steps of: carrying out a table parameter evaluation calibration test, a laser inertial measurement unit full-parameter evaluation calibration test and a laser inertial measurement unit power-on test by taking a temperature of 0 DEG C as a power-on temperature; adjusting the power-on temperature, repeating the test, and acquiring multiple groups of test data at different power-on temperatures; dynamically fusing the obtained multiple groups of test data at different power-on temperatures to construct a dense temperature data set; based on the dense temperature data set, constructing a primary temperature compensation model, and performing iterative optimization on the primary temperature compensation model to obtain a final optimal temperature compensation model; and completing hybrid temperature compensation of the laser inertial measurement unit according to the optimal temperature compensation model. The method provided by the invention solves the problem of inaccurate temperature compensation model caused by fast temperature rise of the miniaturized laser inertial measurement unit.

The utility model relates to the field of test equipment, and discloses an impact testing machine, which comprises a frame body, a data reading assembly, a pendulum bob assembly, a limiting assembly and an alignment piece, a limiting groove is arranged in the limiting assembly along a first direction, a limiting step is formed in the limiting assembly along a second direction, and a test piece is arranged on the limiting step along the second direction. One side of the test piece abuts against the limiting step, and the test piece stretches across the limiting groove; the alignment piece is movably connected with the limiting assembly to form an alignment state and an impact state of the alignment piece; in the alignment state, the limiting assembly is located outside the limiting groove, the alignment piece is arranged above the limiting assembly in the second direction, the alignment piece stretches across the limiting groove, and the alignment piece is used for calibrating the position of the test piece; in the impact state, the alignment piece is arranged on one side of the limiting groove, and it is avoided that swinging of the pendulum bob assembly in the limiting groove is affected. According to the impact testing machine, the alignment piece is movably connected with the limiting assembly, and the alignment piece does not affect an impact test.

The utility model discloses a calibration test fixing device for an atmosphere data computer, which is characterized in that two sides of an upper cover plate and a lower cover plate are respectively supported by a right side plate and a left side plate to form a frame structure, at least three groups of slots are symmetrically arranged on opposite surfaces of the right side plate and the left side plate, the slots are horizontally arranged, and one end of each slot is provided with an opening for inserting a support plate; one end of each slot is open, the other end of each slot is sealed, a supporting plate is selectively inserted into each pair of slots, the supporting plates are used for placing an atmosphere data computer, and the atmosphere data computer is connected with external equipment through a test cable. The device can effectively and absolutely safely lock equipment, has enough bearing and protecting capabilities, is matched with a guide rail structure, locks a hardware plate, stably locks the equipment in a test fixing device, supports multi-equipment access test calibration, greatly saves equipment calibration test cost, reduces calibration time, and improves test efficiency. And the space utilization in the testing process can be increased.

The invention belongs to the field of automobile testing, and relates to a calibration method for automobile winter heating by using an environmental wind tunnel, which comprises the following steps: S1, collecting an original dynamic road spectrum, and processing to generate a standard dynamic road spectrum for low-temperature calibration of the environmental wind tunnel; s2, operating the environment wind tunnel based on the standard dynamic road spectrum, acquiring an actual environment control value of the environment wind tunnel in real time, and judging whether the environment wind tunnel meets the winter heating calibration requirement or not according to a preset inspection rule; s3, an air conditioner heating system calibration test is executed in the environment wind tunnel according to a preset winter steady-state working condition matrix, and an initial heating control parameter table is generated; and S4, on the basis of test data corresponding to the initial heating control parameter table, constructing a system dynamic model, optimizing a strategy network in the system dynamic model through imitation learning and course reinforcement learning, and generating a complete heating control parameter table through optimized strategy distillation. The problems of poor comparability and repeatability of calibration data and insufficient calibration precision are solved.

The invention provides a method and a device for calibrating light output power of a laser of an optical module, the optical module and a medium, and relates to the technical field of optical communication. Multiple times of calibration tests are carried out in a calibration test stage, a laser is turned on in each test, a group of output current data and light emitting power data are acquired, and finally a crosstalk calibration coefficient is calculated according to the acquired multiple groups of output current data and multiple groups of light emitting power data. And in the working stage of the optical module, all the lasers are turned on, and the actual light emitting power of each laser is calculated according to the crosstalk calibration coefficient and the actual output current of each backlight detector. The method effectively simulates the temperature and multi-channel concurrent environment when the optical module actually works, so that the calculated crosstalk calibration coefficient can more accurately reflect the crosstalk condition under the real working condition, and the monitoring accuracy of the light emitting power of the laser is remarkably improved; meanwhile, additional hardware such as a light filter plate does not need to be added, the production cost is reduced, and high-precision and low-cost crosstalk calibration is achieved.

The present disclosure teaches a testing device for fuel injectors. The testing device provides a manual mode and an automatic mode of testing fuel injectors. Wherein, the manual mode is implemented using graduated cylinders, enabling a user to visually perceive the measurement. The graduated cylinders can also be used to calibrate the testing device. Wherein, the automatic mode is implemented using flow sensors, or flow meters. Two flow meters with different ranges of measurement are respectively used to measure the maximum fuel delivery rate and the minimum fuel delivery rate of the tested fuel injectors. The start time of energizing the fuel injectors may be marked as t1. The time when a flow meter detects a flow through the flow meter may be marked as t2. The time-offset, or latency time of the tested fuel injectors may be calculated as To=t2−t1.

This invention discloses an active coupling cavity device and calibration method for calibrating a standard microphone. A sound source adapter is located at the signal input end of the active coupling cavity. A multi-channel sound field distribution structure is located within the active coupling cavity, comprising eight acoustic channels evenly distributed circumferentially along the central axis of the active coupling cavity. A symmetrical clamping assembly constrains the reference microphone and the microphone under test to be symmetrical about the central axis of the active coupling cavity. A coaxiality test ring assembly rigidly constrains the axes of the reference microphone and the microphone under test to coincide with the central axis of the active coupling cavity. The calibration test system includes a signal generator, a sound level meter under test, a preamplifier, a measurement amplifier, a bandpass filter, and a digital voltmeter. The multi-channel uniformly distributed sound field structure solves the problem of uneven sound pressure distribution caused by unidirectional input, and the symmetrical clamping assembly and the coaxiality test ring assembly respectively solve the problem of poor consistency in low-frequency and high-frequency phase measurements.

The utility model provides a kind of abnormal sound test equipment for automobile combination switch, including automatic test equipment main body and be provided in the quiet room of automatic test equipment main body, main control component, automatic feeding component, automatic test component, power supply component, display component, microphone for collecting sound data is equipped in quiet room, automatic test component is set in quiet room, automatic feeding component and automatic test component are respectively set in the inside two sides of automatic test equipment main body and mutually cooperate, main control component is respectively with automatic feeding component, automatic test component, power supply component, display component, microphone control connection, automatic test component is equipped with mutually cooperating combination switch fixing device and combination switch calibration test device. The utility model has the beneficial effect that: it can simulate driving personnel to operate automobile combination switch and test whether it exists abnormal sound.

The invention discloses a multi-frequency point calibration test method and system for 0-10 Hz ultralow frequency magnetic field immunity. The method comprises the steps of system building, single frequency point reference calibration, test execution and exception handling. When the system is built, the hardware modules are connected according to a specific mode; in the calibration stage, references are established for frequency points of 2Hz, 4Hz, 6Hz and 8Hz; during testing, precise field intensity control and data recording are realized through combination of coarse adjustment and fine adjustment; and verifying the probe position when abnormity occurs. The system comprises an arbitrary function generator, a power amplifier, a radiation ring and a gauss meter, and parameters of each module are adaptive to a frequency band of 0-10Hz. The field intensity larger than or equal to 1000 A / m can be stably generated, the testing precision is improved, the 0-10 Hz frequency band standard testing blank is filled, and the device is suitable for electronic equipment testing in the fields of industrial automation, new energy automobiles and the like.

A design method for a multi-point flexible displacement sensor, characterized in that the method comprises the following steps: designing a multi-point flexible displacement sensor structure, establishing a displacement sensing mathematical model of the sensor, carrying out a sensor calibration test, applying the calibrated sensor to soil shear deformation measurement. Compared with the prior art, the beneficial effects of the invention are as follows: The multi-point flexible displacement sensor designed in the invention has a small size and low flexural rigidity. After being embedded in soil, it can deform coordinately with the soil, effectively avoiding disturbance to the soil. In combination with a distributed monitoring network, multi-point synchronous monitoring is realized.

This invention provides a side-mounted liquid level gauge calibration and testing device. It includes a support body with a mounting assembly for fixing the liquid level gauge. The mounting assembly includes a first water inlet; a detection tube mounted on the support body, having a second water inlet at the same vertical height as the first water inlet; a standard component on the detection tube for detecting the liquid level within the tube; a water tank with its outlet connected to both the first and second water inlets, supplying water to the liquid level gauge and the detection tube; and a controller electrically connected to the liquid level gauge and the standard component. This invention, through the detection tube mounted on the support body and the mounting assembly for fixing the liquid level gauge, ensures that the first and second water inlets are at the same vertical height. At the same liquid level height, both the liquid level gauge and the standard component output corresponding electrical signals, which are then compared to simulate the accuracy of the liquid level gauge detection under actual operating conditions, thus improving the detection accuracy of the liquid level gauge.

The invention provides a weak magnetic boundary determination method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining calibration test data, the calibration test data being test data of a permanent magnet synchronous motor under a weak magnetic condition, and the calibration test data comprising a motor rotating speed and a d-axis current; the calibration test data are input into a flux-weakening voltage model, target parameters are obtained, the target parameters are used for calculating the torque of the permanent magnet synchronous motor, and the flux-weakening voltage model is used for representing the linear relation between the d-axis current and the angular speed of the motor; and determining a first weak magnetic boundary curve of the permanent magnet synchronous motor based on the target parameter. According to the method provided by the invention, the weak magnetic boundary of the permanent magnet synchronous motor can be more clearly determined, and the performance of the permanent magnet synchronous motor is improved.

The invention discloses a small vacuum low-temperature water loss calibration test system and a test method, relates to the field of aerospace, and solves the problem that the loss amount of water and ice in lunar soil cannot be measured in the lunar surface sampling process of a sampling device. A sampling device of the quantitative sampling unit is arranged in a vacuum tank; the low-temperature vacuum environment creating unit comprises a low-temperature environment creating unit and a vacuum environment creating unit; a hollow liquid nitrogen tank of the low-temperature environment creating unit is arranged in a vacuum tank, a lunar soil tank is arranged in the hollow liquid nitrogen tank, and a sampling device samples lunar soil in the lunar soil tank; the vacuum environment creating unit is communicated with the vacuum tank; the induction heating extraction unit is communicated with the vacuum tank, and the collected lunar soil is fed into the induction heating extraction unit to be heated. The lunar soil water-ice sampling task under different sampling regulations and environmental conditions can be completed, the water-ice loss amount in the sampling process under different sampling regulations and environmental conditions can be accurately marked, and the water-ice content in the lunar surface in-situ lunar soil can be accurately measured subsequently.

The present application relates to a kind of MEMS inertial instrument start zero error compensation method, belong to inertial measurement field.The present application includes calibration test method, start zero error compensation model, parameter table format and parameter calculation method.Start zero error compensation model is designed as the function related to time, and the relationship with time is 3 order polynomial;7 temperature intervals are set simultaneously to obtain more accurate compensation parameters respectively to obtain compensation coefficient.The present application designs start zero error compensation model as time related, avoids the measurement of the complex temperature field in MEMS inertial instrument, can obtain more accurate compensation parameters;The output precision of inertial instrument is improved.

The invention provides an electronic pen multi-angle gentle pinching calibration test module, which comprises a test machine and a test mechanism, the test mechanism comprises a fixed plate, a first power source, a first slide rail, a tray, a driving part, a guide block, an anti-molding surface, a fixed block and an electronic pen, the fixed plate is installed in the test machine, the first power source is installed on the fixed plate, and the first slide rail is installed on the first power source. The first sliding rail is installed on the fixing plate, the tray is installed on a moving block of the first sliding rail, the driving piece is installed on the tray, the guiding block is connected with the output end of the driving piece, the anti-molding surface is installed on the outer wall of the guiding block, the fixing block is fixed to the tray, and the electronic pen is detachably placed on the fixing block and the guiding block. According to the multi-angle pinching calibration test module for the electronic pen, the high-precision five-gear weight is used for pressing the pen body stress sensor to achieve multi-pressure, multi-position and multi-angle calibration test, the pressing precision can reach + / -3 g, and the calibration test efficiency and quality are improved.

The utility model relates to a gas chamber body for calibration test of a household methane gas sensor, which comprises a gas chamber outer shell, a gas chamber inner shell and a gas chamber inner shell, an air inlet hole and an air outlet hole are formed in two opposite surfaces of the anti-reflection glass, and sealing glass covers the air inlet hole and the air outlet hole; the sensor mounting bracket is used for mounting a methane gas sensor, a signal transmitted by a transmitting end of the methane gas sensor passes through the anti-reflection glass and methane gas in the gas chamber outer shell to a receiving end to be received, and the methane gas sensor can realize the detection of the concentration of the methane gas in the gas chamber outer shell. According to the gas chamber body for the calibration test of the domestic methane gas sensor, methane gas does not need to be in actual contact with the methane sensor, the penetration rate of sensor light can reach 95% through the glass and the AR film on the glass, and the accuracy of a test result is ensured even if the sensor is not in actual contact with methane; and the test efficiency is improved.

The application provides a solid rocket engine nozzle thrust contrast test device, which comprises a front head, a combustion chamber, a rear head, a nozzle A, a nozzle B, an upper clamp, a lower clamp, a six-component force measuring platform, a hexagonal bolt, a hexagonal nut, an internal hexagonal cylindrical head screw and a stud. The two nozzles A and B with different aerodynamic profiles are fixed on the end face of the rear head through the internal hexagonal cylindrical head screw; the combustion chamber is fixed by limiting with the upper clamp, the lower clamp, the hexagonal bolt and the hexagonal nut; the base of the lower clamp is fixed on the working plane of the six-component force measuring platform through the hexagonal bolt, the hexagonal nut and the stud; during the test, the high-temperature and high-pressure gas generated by the combustion chamber is simultaneously sprayed out from the nozzles A and B, and the generated thrust is transmitted to the six-component force measuring platform through the upper clamp, the lower clamp and the connecting piece. The application can realize the accurate test and contrast of the thrust performance of the two nozzles with different aerodynamic profiles under the same engine working condition.

The aperture aperture calibration and testing system and method provided in this application describe a system where a control module controls an aperture motor via signals. The aperture motor adjusts the aperture mechanism to form the light-transmitting aperture. A camera captures an image of the light-transmitting aperture. The control module processes the image to calculate the actual light-transmitting diameter, and then uses optical formulas to calculate the aperture F-number. This eliminates the need for measurement in imaging instruments or optical test stands, resulting in a small, low-cost system that facilitates rapid deployment and mass production on production lines. The system employs an independent testing architecture, directly driving and testing the aperture mechanism without requiring the assembly of the entire lens, thus improving testing flexibility. The method describes adjusting the aperture aperture with the aperture motor, recording the motor's step count, obtaining the actual light-transmitting diameter through image processing, and calculating the aperture F-number by combining the camera's focal length with the actual light-transmitting diameter, achieving measurement without the need for testing equipment.

The invention discloses a digital-to-analog converter output signal calibration method, a medium, a product and equipment, and relates to the technical field of integrated circuit testing. The method comprises the following steps: taking multiple groups of test excitation signals and actual simulation test signals as data points, and fitting original signal data to obtain initial fitting parameters and initial calibration test signals; according to a difference value between each actual simulation test signal and the corresponding initial calibration test signal, determining a corresponding weight for each data point according to a mode that the weight of each data point is inversely proportional to the corresponding difference value; and fitting the weighted data points again until a preset convergence condition is met, and storing a final fitting parameter and a weight value. And the DAC calibrates the received test excitation signal according to the fitting parameter and the weight value, and outputs the calibrated signal to the device to be tested. The problem that the DAC calibration requirement of a user cannot be met in the prior art can be solved, and the DAC calibration precision can be effectively improved.

The application discloses a kind of optical fiber grating sensor device and calibration test method for marine steel bar corrosion monitoring, by providing a kind of specially designed for marine environment, based on the non-contact magnetic strain principle optical fiber grating sensor device, the device is packaged with full silicon-based material, fundamentally solve long-term corrosion problem;With magnetic non-contact sensing corrosion, avoid the interference caused by direct contact;Through symmetric double-end design, improve reliability and signal quality;Compact structure, easy to install.The application also provides calibration test method matched with the sensor device, by simulating the accelerated electrochemical corrosion test of marine corrosion environment, accurately establish the quantitative mathematical model between sensor output signal and the actual mass loss of steel bar, so as to give the quantitative monitoring ability of sensor, and provide calibration basis for the consistency of different batches of sensors.

A method for establishing a high-efficiency equivalent honeycomb numerical model relates to the field of vibration reduction, and comprises the following steps: carrying out tests of a honeycomb structure, including a mechanical parameter calibration test and a verification test; establishing a high-efficiency equivalent honeycomb numerical model according to a mechanical property test result obtained from the mechanical parameter calibration test; carrying out secondary development and verification on an elastic-plastic constitutive and damage model; in order to verify the effectiveness of the developed equivalent honeycomb model, the method can accurately represent the characteristics of anisotropy, strain rate effect, shear failure and the like of the honeycomb structure, and realizes high-precision prediction of honeycomb mechanical response, crushing deformation and shear tear failure under complex working conditions. A three-dimensional anisotropic constitutive model is established for the first time, the anisotropy of honeycomb elastic and plastic yield along with out-of-plane angle change can be accurately described, and the in-plane angle change anisotropy caused by the thickness difference of all edges of the honeycomb can be effectively reflected.

An IMU test tool and system for large-scale rapid automatic calibration test comprises a test tool bottom plate and multiple tool product layers fixed on the test tool bottom plate, each product layer of the multiple tool product layers comprises a test bottom plate and a mainboard connecting plate arranged in the middle of the test bottom plate, the mainboard connecting plate is used for connecting two test mainboards arranged on the two sides of the mainboard connecting plate respectively, and the mainboard connecting plate is used for connecting two test mainboards arranged on the two sides of the mainboard connecting plate. The IMU monitoring board is arranged in the middle of the mainboard connecting board and used for monitoring the levelness of the tool product layer; each of the two test mainboards is provided with six CAN (Controller Area Network) modules which meet 4-6pcs product data transmission, totally supports 32pcs product test, and communicates with the outside through a 10PIN communication interface of one test mainboard; the other side of the mainboard connection board is provided with an adapter board which is connected and communicated with a to-be-tested product. The product layer raising block is arranged on the test bottom plate; a to-be-tested IMU product test position; and the 10PIN communication interface comprises a test data communication interface and a power supply interface and is connected with the test tool control layer. According to the utility model, large-batch rapid calibration test can be carried out on the inertial measurement unit, and the production efficiency is greatly improved.

The utility model provides a tire load calibration device which comprises a flexible measurement contact part in contact with a rotary drum, the flexible measurement contact part is connected with a dynamometer, and the dynamometer is connected with a pressure application device; the flexible measurement contact part is arranged, so that the flexible measurement contact part has better mechanical strength and wear resistance, the flexibility is much better than that of a steel part, a very good buffer effect can be achieved when impact is generated in the calibration process, and time is won for electrical engineers to stop a calibration test; preferably, the flexible measurement contact part adopts a silica gel block, and one side, connected with the drum, of the silica gel block is processed into a curved surface of which the radius is the same as that of the circular arc of the drum, so that the stability of load transmission is improved; the device is simple in structure and convenient to use.

The invention discloses a distributed photovoltaic voltage peak value high protection test method and related device, and the method comprises the steps: building a primary loop model according to a topological structure and primary loop parameters, and connecting a test object to form a test simulation system; calibrating a three-phase harmonic voltage for testing according to a preset protection strategy of voltage peak protection to obtain a harmonic test voltage; when the system is stable, the protection action states under the action conditions that the voltage peak value accords with or does not accord with the preset protection strategy are verified through a voltage disturbance injection method according to the harmonic test voltage and the preset duration, and protection action verification results are obtained; and when the system recovers to be stable, verifying the protection outlet state under the condition that the voltage peak value meets or does not meet the return requirement of the preset protection strategy according to the harmonic test voltage, and obtaining a return action verification result. The technical problem that an existing test method cannot accurately verify the effectiveness of a distributed photovoltaic voltage peak value high protection mechanism can be solved.

This invention discloses a method and system for correcting errors in galvanometer scanning, relating to the field of galvanometer scanning technology. The method includes acquiring galvanometer scanning system information, obtaining a basic error dataset based on calibration tests using the galvanometer scanning system information, and constructing a structured parameter sequence based on the basic error dataset. This invention achieves multi-dimensional and accurate characterization of error features by constructing a structured parameter sequence. It establishes a benchmark model using a nine-point correction method, divides sector regions, and calculates density correction coefficients based on feature distortion rates and benchmark distortion gradients, achieving differentiated distribution of sampling points. By selecting highly correlated swing angle feature datasets, the purity and reliability of the error model fitting are improved. By splitting the geometric error model and constructing a multi-dimensional comprehensive error model, comprehensive coverage and accurate separation of geometric distortion and inter-axis coupling errors are achieved, improving the accuracy and reliability of error correction.

A kind of full strapdown millimeter wave phased array radar system pointing calibration method, main steps include: to be calibrated system is installed on three-axis turntable, based on the set calibration range and calibration granularity, calculate t time antenna azimuth beam pointing angle and elevation beam pointing angle theoretical value, and corresponding turntable attitude angle theoretical value, control turntable turns to the angle;Adjust phased array antenna beam pointing, so that target is located in the antenna beam center, obtain the actual value of antenna azimuth beam pointing angle and elevation beam pointing angle at this time, with the difference between the beam pointing theoretical value and actual value as the pointing error of phased array at the angle, to complete the calibration test of all angles in calibration range.This is a kind of high-efficiency calibration test method at system level, without accurately determining the coordinate position of each array element of antenna, can take into account the influence of system each link error on beam pointing precision, realize the fast, high-precision high-speed full strapdown millimeter wave phased array test calibration.

A modularized six-axis visual tactile sensor calibration test platform comprises a fixed rack, a pressure module which is arranged on the fixed rack and used for spiral distance adjustment, a supporting device, a six-axis force sensor located in the supporting device, a precise rotation positioning platform arranged relative to the fixed rack, a high-precision two-dimensional XY positioning platform arranged on the precise rotation positioning platform and a connecting piece. The tail end of the connecting piece is provided with a probe, and the top of the probe directly applies acting force to the contact surface. The visual tactile sensor testing device meets the requirements of visual tactile sensor testing and testing. According to different sensing tasks needing to be tested by the visual tactile sensor, a detection function structure adapting to different conditions is integrated.