210results about How to "Reduce calibration time" patented technology

The invention discloses a single-scale field calibration method, and belongs to the technical field of camera calibration, and the method comprises the steps: obtaining a calibration image through a linear scale and a binocular camera; relative orientation is carried out on each camera, and internal and external parameter initial values of the cameras are obtained: through relative orientation, the relative position and attitude relation between the cameras in the binocular camera is determined, a local coordinate system with the reference camera as a reference is established, and the internal and external parameter initial values of the cameras are obtained by using the coplanar condition between the cameras; performing absolute orientation on each camera and calculating external parameters of a calibration image acquired by each camera: determining the position and attitude of the binocular camera in a world coordinate system through absolute orientation, acquiring world coordinates of all calibration points of the calibration image, and calculating external parameter values of each calibration image relative to the world coordinate system; and performing parameter optimization adjustment on the camera parameters. According to the invention, the problem of difficulty in field calibration of a large field of view including a part of super-large fields of view is solved.

The invention relates to a non-signaling test-based frequency offset calibration method, system and device and a medium, and the method comprises the steps: carrying out the parallel non-signaling frequency offset test of a plurality of target chips, collecting the output waveforms of the target chips, and determining the frequency offset values of the target chips according to the output waveforms; performing deviation analysis on the frequency deviation value, and calculating a corresponding frequency deviation calibration value based on the frequency deviation value and a preset frequency calibration coefficient under the condition that the frequency deviation value reaches a preset frequency limit range; writing the frequency offset calibration value into a corresponding target chip, and performing parallel frequency offset calibration; and carrying out calibration degree verification on the target chip after frequency offset calibration so as to confirm whether the frequency offset value of the target chip accords with a preset standard frequency. The method and the device have the effect of improving the frequency offset calibration efficiency of the chip.

The invention provides a calibration method and device of motion capture equipment, equipment and a medium, the motion capture equipment is worn on a limb of a human body, the method is applied to head-mounted display equipment, the head-mounted display equipment comprises a camera, and the method comprises the following steps: collecting an image of the motion capture equipment through the camera; according to the motion capture equipment image, determining target attitude information of an equipment coordinate system relative to a world coordinate system; and calibrating the motion capture equipment according to the target attitude information. The motion capture equipment is calibrated by using the image of the motion capture equipment, so that the calibration difficulty of the motion capture equipment can be effectively reduced, the calibration time can be shortened, the calibration error can be reduced, and the calibration precision of the motion capture equipment can be improved.

The invention relates to the technical field of brain-computer interfaces, in particular to a self-adaptive calibration method and system for a brain-computer interface earphone, and the method comprises the following steps: obtaining electroencephalogram data; based on the electroencephalogram data, constructing an initial model through federal learning; selecting a user specific sample by using an active learning strategy; performing dynamic parameter optimization on the initial model; based on the result of the dynamic parameter optimization, adaptive personalized calibration is executed; performing anomaly detection and correction on the result of the self-adaptive personalized calibration; performance evaluation is carried out on the result obtained after anomaly detection and correction, the evaluation result is fed back to the previous steps, and the steps form a closed-loop optimization process; through the combination of federal learning and active learning, the calibration time is shortened from 45 minutes of a traditional method to about 5 minutes, and the efficiency is improved by nearly 9 times; the accuracy rate of the method reaches 95.8% and is improved by 8.6% compared with that of a traditional method.

The invention discloses a roll gap calibration and operation method of a hot straightening machine, and belongs to the technical field of high-temperature metallurgy. An inlet roll and an outlet roll are adjusted to be lower than a plurality of middle working rolls, and a calibration plate is conveyed between the plurality of middle working rolls and an upper working roll; the height of the upper working roller is adjusted through the oil cylinder adjusting assembly until the upper working roller makes contact with the upper surface of the calibration plate, the thickness of the current middle working roller and the thickness of the upper working roller are the thickness of the calibration plate, the inlet roller is adjusted to make contact with the calibration plate through the height adjusting device, and the outlet roller is adjusted to make contact with the calibration plate through the height adjusting device. According to the method, the phenomenon that the calibration time is influenced by manual adjustment under the condition that the roller diameters of the roller boxes are different can be avoided, calibration can be rapidly completed regardless of the roller diameters of the roller boxes, it is ensured that calibration succeeds after the roller boxes are replaced, the manual adjustment time is shortened, and the calibration efficiency is improved.

The invention discloses an efficient somatosensory interaction prop and a physical space calibration method thereof, and the calibration method comprises the steps: S1, obtaining the internal parameters of cameras, the external parameters between the cameras, and the external parameters between the cameras and a display; s2, collecting data in interaction prop movement; s3, calculating the three-dimensional coordinate position of the light-emitting point through the internal reference of the camera and the external reference between the camera and the display, and converting the three-dimensional coordinate position of the light-emitting point to a spatial position taking the center of the display as the center of a world coordinate system to obtain the spatial position of the light-emitting point in the world coordinate system of the display; s4, interpolating the attitude data of the cascade inertial sensor IMU into the three-dimensional coordinate data of the luminous point according to a second timestamp to obtain the attitude data of the cascade inertial sensor IMU after interpolation; and S5, constructing a nonlinear equation set, and solving the nonlinear equation set to obtain the initial position and the initial attitude of the interactive prop and the relative coordinates of the luminous point in the space.

The embodiment of the invention provides a data transmission method and device, equipment and a storage medium. A receiving end receives target data sent by a sending end; verifying a plurality of to-be-verified data packets in the target data, and determining the to-be-verified data packets passing the verification as first data packets; combining the plurality of first data packets into verification data; and comparing the verification data with the target data, determining whether the verification data is consistent with the target data, and further judging whether the target data is successfully transmitted. The receiving end in the embodiment of the invention ensures data consistency, reduces data loss or damage and improves transmission reliability by verifying the data packets to be verified, timely finds errors by comparing the verification data with the target data, avoids further processing of error data, improves transmission accuracy, and improves the transmission efficiency by subpackage verification and combination and parallel processing of a plurality of data packets. The verification time is reduced, and the transmission efficiency is improved.

The invention provides an unmanned ship positioning method and system for an automatic refueling robot, and relates to the technical field of data processing, and the method comprises the steps: obtaining the global position information, local position information and environment dynamic parameters of an unmanned ship, extracting static feature data and dynamic interference feature data, carrying out the self-adaptive correction of basic positioning data, and carrying out the self-adaptive correction of the basic positioning data; the method comprises the steps of generating ship motion trend prediction information, calculating a docking preparation path of the unmanned ship according to a preset geometric model of a target docking point, generating a real-time control instruction according to the docking preparation path, and collecting relative position information, water flow disturbance information and obstacle information of a refueling interface in real time when the unmanned ship reaches the target docking point. Parameters needing to conduct fine adjustment on the posture of the refueling mechanical arm are calculated, a refueling mechanical arm posture fine adjustment instruction is obtained, and the refueling mechanical arm posture fine adjustment instruction is used for adjusting the rotation angle, the horizontal position and the vertical height of the refueling mechanical arm; the intelligent degree and accuracy of refueling are improved.

The invention discloses an industrial robot precision calibration method suitable for multiple installation states, a storage medium, equipment and a computer program product, and the method comprises the steps: enabling an industrial robot to be in three installation states: vertical fixation, inverted hanging fixation and side hanging fixation, and building a world coordinate system; the method comprises the following steps: collecting space coordinates of a target ball of the laser tracker under different world coordinate systems, unifying the space coordinates to the same world coordinate system through coordinate conversion, and carrying out identification parameter error correction on the space coordinates of the target ball of the laser tracker subjected to space coordinate conversion and theoretical coordinates based on an iterative reweighted least square method to obtain the identification parameter error of the industrial robot. And the precision calibration of the industrial robot is realized. According to the calibration method, the robot has unified precision performance during vertical fixation, inverted hanging fixation and side hanging fixation, so that the time for re-calibration can be saved, and the working efficiency is improved.

The present disclosure provides a calibration member including: a base body, at least one of a shape and a size of which is variable; at least one calibration block, each of which is connected with the base body; wherein at least one of the shape and the size of the base body is adjusted in advance according to a scanning object of the radiation imaging equipment to be calibrated, so that the calibration piece and the scanning object have basically consistent shapes, and the size of the calibration piece and the size of the scanning object have a preset proportional relation. The invention further provides a calibration system and a calibration method.

The invention discloses a self-centering anti-interference flange type clamping machining device, relates to the technical field of clamping devices for machining, and solves the problem that interference exists in machining of a radial positioning surface by a positioning element after radial positioning in the prior art. The device comprises a clamp body, an axial positioning assembly is fixedly arranged at the front end of the clamp body, a centering assembly capable of moving in the axial direction and the radial direction is arranged on the clamp body, and the positioning face of the axial positioning assembly and the positioning end of the centering assembly are used for conducting axial positioning and centering positioning on a workpiece respectively. The centering assembly is connected with the axial pushing mechanism, and the axial pushing mechanism is used for driving the centering assembly to slide in the axial direction, so that the positioning end of the centering assembly stretches out or retracts relative to the positioning face of the axial positioning assembly in the axial direction. A radial opening mechanism is arranged on the clamp body and used for driving the centering assembly to be radially expanded or folded. On the basis of flange clamping, the centering assembly and the axial pushing mechanism are additionally arranged, the self-centering function of the clamp and the anti-interference function of a positioning element are achieved, and the production efficiency of products is improved.

The utility model provides an electric automobile frame calibration frame, which relates to the technical field of frame calibration frames, and comprises a calibration frame, one end of the calibration frame is provided with a translation motor, one end of the translation motor is connected with a two-way threaded rod, the outer side of the two-way threaded rod is symmetrically provided with moving frames, and the moving frames are connected with the two-way threaded rod. The side faces of the two movable frames are connected with first marking blocks. The two-way threaded rod is electrically driven to rotate through the translation motor, the two-way threaded rod drives the two movable frames to synchronously move in the opposite directions, then the first marking block is driven to move on the outer side of the length measuring ruler, the length of a frame is conveniently measured during movement, meanwhile, the pneumatic telescopic rod is matched for stretching out and drawing back, and the working efficiency is improved. And the pneumatic telescopic rod pushes the moving block to move in the sliding groove, so that the second marking block is conveniently driven to move on the outer side of the width measuring ruler, the width of the frame is conveniently measured, manual operation and measurement are not needed, and the labor cost and the time cost are reduced.

The utility model provides a rapid correction pH meter which comprises a machine body, a display control screen is fixedly installed on the upper surface of the machine body, a liquid storage unit is arranged on one side of the display control screen, an electrode is connected to the surface of one side of the machine body, a lifting mechanism is arranged between the electrode and the machine body, and a correction groove is formed in the lower side of the electrode. Through the use of the liquid storage unit and the arrangement of a plurality of liquid storage beakers on the upper surface of the machine body, correction standard solutions with different pH values, distilled water for cleaning, electrode protection liquid and the like can be respectively placed, the use is convenient, through the use of the liquid extraction mechanism, liquid extraction pipes are placed in different liquid storage beakers, the operation can be performed through a peristaltic pump, and the operation is convenient. The pH standard correction liquid, distilled water, electrode protection liquid and the like in the liquid storage unit are discharged into the correction tank through the guide pipe, the correction tank and the electrodes in the correction tank can be blow-dried through the use of the blow-drying mechanism and the work of the air heater, and the correction time is shortened.

The invention discloses an OSC frequency calibration method and device, a readable storage medium and electronic equipment. The OSC frequency calibration method comprises the following steps: detecting an MIPI Video Mode signal input to a driving chip by an application processor; when an MIPI Video Mode signal is detected, the actual output clock frequency of the current OSC module is calculated through the digital circuit module and read through the SOC; if the actual output clock frequency of the current OSC module is out of the frequency range of the target frequency point, calculating the deviation between the actual output clock frequency of the current OSC module and the center frequency preset value of the target frequency point through the SOC; and the SOC compensates the deviation by rewriting an OSC register related to the OSC module, so that the actual output clock frequency of the OSC module is calibrated to the frequency range of the target frequency point. The method has the advantages that the OSC register related to the OSC module is rewritten through the SOC so as to quickly compensate the deviation between the OSC register and the center frequency of the target frequency point, the compensation speed is high, the adjustment flexibility is high, and the compensable deviation range is large.

The invention provides a structure multi-parameter rapid calibration method capable of simultaneously meeting multi-scene operation requirements, and belongs to the field of structure design, and the method comprises the steps: S1, inputting a multi-parameter initial value of a to-be-calibrated structure; s2, successively carrying out finite element pre-processing, solving and post-processing on an operation scene of the structure to obtain a finite element simulation result of the structure; s3, performing data acquisition, data alignment and data alignment according to a structural finite element simulation result in combination with standard data; s4, performing data comparison through multiple methods to obtain a comparison result; s5, constructing a structure credibility evaluation system, performing confidence evaluation on a comparison result, if the comparison result is credible, ending calibration, and otherwise, turning to S6; and S6, carrying out sensitivity analysis on the parameters, giving out calibration values of the parameters, inputting the calibration values into S1, and repeating the steps S1 to S6 until the confidence coefficient is credible. According to the method, calibration of multiple parameters of the structure in multiple operation scenes can be completed in a short time, and the method has high accuracy and reliability.

The invention discloses a calibration method and system for bench data of a permanent magnet synchronous motor. The calibration method comprises the following steps: generating chart data corresponding to torque and rotating speed from set motor data by using a simulation model; loading the given maximum current saturation value, the estimated maximum current saturation value, the current value corresponding to the maximum torque current ratio direct axis, the current value corresponding to the maximum torque current ratio quadrature axis, the direct-axis flux-weakening current and the quadrature-axis flux-weakening current to a field-oriented control algorithm, programming the field-oriented control algorithm to a motor controller, and performing rack verification; and outputting optimal current data to complete calibration. According to the method, the excitation current data and the torque current data corresponding to the second quadrant and the third quadrant in the current limiting ring do not need to be manually scanned, and the rack data calibration time can be shortened on the whole, so that rack resources are reduced, and the purposes of reducing cost and improving efficiency are achieved.

The invention discloses a multi-channel automatic calibration tool, and relates to the technical field of equipment calibration, and the tool comprises a middle computer, a plurality of calibration plates, a switching plate, a universal meter reading switching plate, and a universal meter. The calibration plates and the switching plate are connected with the middle computer. The universal meter reading switching plate and the universal meter are connected with the switching plate. Each calibration plate is connected with the multimeter reading switching plate; each calibration board corresponds to a channel of a mainboard of the battery detection equipment, and the middle computer sends a channel switching instruction to the switching board; the switching board controls gating of the corresponding calibration board according to the channel switching instruction; after gating the corresponding calibration board, the middle computer sends a test instruction to the gated calibration board; the multimeter reading switching board switches the test data acquired from the gated calibration boards into the multimeter one by one for reading; the switching board also uploads the test data read by the universal meter and the physical addresses corresponding to the test data to the middle computer. The detection efficiency of the battery detection equipment can be improved.

The utility model relates to the technical field of verification devices, and discloses a verification device of a displacement sensor, which comprises a workbench, the upper surface of the workbench is fixedly connected with a guide rail, two sides of the upper end of the guide rail are respectively provided with a sliding chute, a sliding block is arranged in each sliding chute, and the upper end of each sliding block is fixedly connected with a mounting block. According to the utility model, the displacement sensor body can be clamped by arranging the lower clamping plate and the upper clamping plate, and the displacement sensor body can be prevented from shaking during clamping by arranging the first non-slip mat and the second non-slip mat, so that the displacement sensor body can be ensured not to be interfered by the outside in the verification process, and stable measurement conditions can be maintained; the displacement sensor body can be positioned by arranging the reinforcing bolts and arranging the rubber heads on the reinforcing bolts, errors caused by position changes of the displacement sensor body can be avoided, and therefore the accuracy of the verification result is guaranteed.

The invention discloses a positioning and clamping device for fine boring of a planet carrier. The positioning and clamping device is characterized by comprising a base, equal-height blocks, an inner hole tensioning device, a pressing device and a positioning bolt, the base is installed on a boring equipment working platform, and the inner hole tensioning device is installed on the base and used for tensioning an inner hole in the lower end of a workpiece through a steel ball. The equal-height blocks are evenly distributed on the upper plane of the base in a circumferential mode and used for supporting workpieces. The lower end of the positioning bolt is mounted on the left upper side of the base, and the upper end is inserted into a process positioning hole in a workpiece; the two pressing devices are symmetrically arranged on the left side and the right side of the base and used for pressing the workpiece. The multiple steel balls which are arranged in the same horizontal plane and evenly distributed in the circumferential direction are adopted to tension / loosen the inner hole in the lower end of the workpiece along with vertical movement of the abrasion-resistant taper sleeve, operation is easy and fast, the tensioning positioning precision is high, the steel balls make point contact with the inner hole of the workpiece, the contact area is greatly reduced, and the inner hole of the workpiece cannot be damaged.

The invention discloses a dynamic calibration method for the sensitivity of a linear angular vibration sensor based on multi-frequency sine excitation. The method comprises the following steps: constructing a line angle vibration sensor sensitivity dynamic calibration device based on multi-frequency sine excitation; providing multi-frequency sine line angle excitation; collecting a motion sequence image and an output signal; calculating the line angle excitation displacement of the calibrated line angle vibration sensor; and calculating to obtain the sensitivity of the calibrated line angle vibration sensor. The method is efficient and accurate, and the calibration process is simplified; the method based on monocular vision is used for measuring the vibration displacement of the linear angle vibration sensor at different frequencies, and only a simple monocular vision measuring system is needed; the multi-frequency sine line angle excitation output by the line and angle vibration generating device can be controlled, and the influence of other extra excitation on the sensor can be effectively avoided; the method is suitable for different types of sensors, and the multi-frequency sine excitation method has a wide application range and can be used for calibrating different types of linear angle vibration sensors, such as gyroscopes and accelerometers.

The invention provides a maximum load ratio microbalance calibration device which comprises a base, a supporting rod, four Y-direction load loading devices, four Z-direction load loading devices, a balance, a loading frame and an X-direction load loading device, the two ends of the supporting rod are connected with the base and the balance respectively, and the open end of the balance is inserted into the loading frame and connected with the end, away from the balance, of the loading frame; the four Y-direction load loading devices are connected to the bottom of the loading frame, symmetrically arranged on the two sides of the balance in pairs and used for conducting Y-direction loading on the loading frame. The four Z-direction load loading devices are symmetrically arranged in pairs relative to the loading frame and are used for carrying out Z-direction loading on the loading frame; the X-direction load loading device and the balance are coaxially arranged, and Z-direction and X-direction loads are applied to the loading frame through magnetic force. The implementation mode can reduce the labor intensity, improve the production efficiency, realize the measurement of the impact load of the balance, improve the application precision of each component load, and meet the calibration requirement of the balance with the maximum load ratio.

The invention relates to the technical field of photoelectric detection and radars, in particular to a calibration method, system and device for a radar and a laser anti-collision device and a medium, and aims to track and lock the same dynamic non-cooperative target through the laser anti-collision device and the phased array radar. Synchronously acquiring spherical coordinate observation data of the dynamic targets in the public view field under respective coordinate systems; and after the spherical coordinates are converted into rectangular coordinates, calculating a point set centroid, constructing a covariance matrix and performing singular value decomposition based on a rigid body transformation model, and directly solving a rotation matrix and a translation vector from a radar coordinate system to a laser anti-equipment-free coordinate system, thereby completing calibration. No external absolute coordinate reference is needed, only relative observation data of equipment is utilized, and the method has the advantages of being rapid in deployment, high in environmental adaptability, low in cost and high in calibration speed. The problems that in the prior art, a calibration system depends on RTK or a high-precision map, the environmental adaptability is poor, and the deployment requirement is high are solved.

The invention discloses a work parameter verification method, device and system, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: obtaining work parameter data of each level to which at least one target cell belongs; dividing all the work parameter data to obtain a region parameter set, a basic information parameter set and a radio frequency configuration parameter set; and verifying parameters in the regional parameter set, the basic information parameter set and the radio frequency configuration parameter set to obtain a verification result. According to the method, the work parameter data can be automatically verified, human errors are prevented from being introduced, and therefore the work parameter verification efficiency and accuracy are remarkably improved.

The invention relates to the technical field of intelligent logistics navigation laser radars, in particular to a wheel type odometer and single-line laser radar combined calibration method, which comprises a calibration environment construction module used for constructing a good calibration environment. The method firstly focuses on the accurate calibration of the internal reference of the single-line laser radar. The step is crucial because the accurate internal reference of the laser radar is the basis of the subsequent calibration work. Through accurate internal reference calibration, the overall calibration error caused by the internal error of the laser radar can be remarkably reduced, and the precision and reliability of the whole calibration system are improved. The accuracy of vehicle navigation can be improved, and more accurate data support can be provided for subsequent intelligent logistics tasks.

The present disclosure relates to a diesel engine speed cascade auto-disturbance rejection control system, a diesel engine and a locomotive. The system comprises: a feedforward controller, an inner-loop auto-disturbance rejection controller and an outer-loop auto-disturbance rejection controller connected in sequence; wherein the inner-loop auto-disturbance rejection controller specifically comprises: a nonlinear error feedback controller and an extended state observer; the extended state observer is used to observe model deviations and external disturbances, and to provide real-time feedback compensation for the control quantity according to the observed value of the total disturbance; the nonlinear error feedback controller is used to track the signal transmitted from the outer loop; wherein the outer loop controller comprises: an error feedback controller and an extended state observer for tracking the target speed.

The invention discloses a phase-locked loop rapid frequency automatic calibration system, which relates to the technical field of digital circuits and comprises an input signal selector, a voltage-controlled oscillator, an eight-frequency-division eight-phase circuit and an automatic frequency calibration circuit. According to the invention, the eight-frequency-division eight-phase output clock is used as the VCO output calibration clock, so that the AFC calibration time can be shortened to 1 / 7 of the traditional AFC time under the same calibration precision under the condition that a low-speed clock meeting the constraint condition of a digital circuit is used.

The invention discloses a color calibration method, a color calibration device, display equipment, a storage medium and a computer program product, and relates to the technical field of color calibration. In the method, firstly, a precise color forward model is constructed by sampling part of panel color sample points, and color coordinates of any RGB gray scale data in a to-be-calibrated display panel in a CIE-XYZ color space can be quickly and accurately calculated based on the color forward model; then, a color reverse model is constructed based on the color forward model, and the color reverse model can output RGB gray scale data, corresponding to any color coordinate of the display panel to be calibrated in the CIE-XYZ color space, of the display panel to be calibrated, so that the accuracy of color correction is ensured; and finally, on the basis of the color reverse model, calibrating the original color gamut of the display panel to be calibrated to the target color gamut so as to complete high-precision color correction.

The invention provides an electrostatic adsorption clutch force feedback data glove based on a teleoperation system and a design method thereof, and belongs to the field of intelligent robots. Firstly, a hardware system of the output feedback data glove is designed based on inertial sensors, a system on a full programmable chip and an electrostatic adsorption clutch, the designed glove is worn on a human hand, and the inertial sensors arranged at the two ends of a joint are used for capturing the hand posture to obtain the bending angle of the human finger joint; an isomorphic finger joint motion mapping algorithm is adopted to convert into joint angle information of the slave manipulator, motion mapping of the master manipulator and the slave manipulator is achieved, then a force signal fed back by the slave manipulator is converted into kinesthetic force which can be sensed by the master manipulator through an electrostatic adsorption clutch, and master-slave force feedback is achieved.

The invention discloses an optical path centering device of a high-energy ion implanter. The optical path centering device comprises a flat transparent module, an energy transparent module, a radio frequency module, an analyzer, an energy transparent laser mounting plate, a flat transparent laser mounting plate and a three-electrode centering tool, the flat transparent module, the energy transparent module, the radio frequency module and the analyzer are all mounted on the floor silk screen; the laser-permeable mounting plate is mounted on a magnet yoke of the laser-permeable module, and the flat-permeable laser mounting plate is mounted on a magnet yoke of the flat-permeable module and used for placing a laser instrument; when light path centering is carried out, a laser instrument is firstly placed on the flat-transparent laser mounting plate, and laser penetrates out of the flat-transparent outlet and then penetrates out of the transparent inlet and the transparent side part by adjusting the positions of ground feet of the flat-transparent module and the transparent module; and then the laser instrument is moved to the laser-permeable mounting plate, and the anchor positions of the radio frequency module and the analyzer are respectively adjusted, so that the laser sequentially penetrates out from the permeable inlet, the radio frequency outlet, the radio frequency inlet, the analyzer outlet and the analyzer inlet. The device has the characteristics of compact structure, convenience in operation, high stability and the like.

The invention provides an automobile thermal management controller remote calibration device and method, and belongs to the technical field of automobile controller calibration, the automobile thermal management controller remote calibration device comprises a thermal management controller, a sensor module, a calibration device, a cloud server and a computer, the sensor module collects automobile state information and inputs the automobile state information to the thermal management controller; and the calibration device reads the to-be-calibrated parameters in the thermal management controller. The calibration device transmits to-be-calibrated parameters to the cloud server, and the thermal management controller transmits automobile state information to the cloud server. The cloud server transmits to-be-calibrated parameters input by the calibration device and automobile state information input by the thermal management controller to the computer through a wireless network, an engineer analyzes the to-be-calibrated parameters and the automobile state information through the computer and determines calibration parameters, and then the calibration parameters are transmitted to the calibration device through the cloud server. And the calibration device writes the calibration parameters into the thermal management controller. According to the invention, the calibration time is reduced, the calibration efficiency is improved, and the labor cost is reduced.