26results about How to "Realize automatic calibration" patented technology

The application provides a robot tool coordinate system calibration device and method. The robot tool coordinate system calibration device comprises a control device configured to be in communication connection with a robot; a laser device, the laser device comprising a laser emitting module and a laser receiving module, both of which are in communication connection with the control device, the laser emitting module being configured to be capable of forming a cross-shaped laser beam, the laser receiving module being capable of receiving the cross-shaped laser beam, two first laser beams forming the cross-shaped laser beam being perpendicular to each other. The technical scheme of the application can solve the problem of low calibration accuracy and efficiency of the calibration mode of the prior art.

The invention discloses a mining dump truck voltage type pedal automatic calibration method which comprises the following steps: a control system enters a calibration mode, and a position sensor signal value of a pedal at an initial position is recorded; according to the change of the collected sensor signal value, the characteristic that the position sensor signal increases / decreases along with the increase of the pedal angle is identified, and the boundary value of the position sensor signal is updated and temporarily stored; the obtained pedal position boundary value is judged, and an effective boundary value is stored in a nonvolatile memory; a conversion calculation model is established by utilizing the effective pedal position boundary value, a corresponding percentage is calculated by utilizing the conversion calculation model, and a control system calibrates or calibrates the opening and closing angle of the pedal according to the percentage. According to the method, automatic calibration and calculation tasks of different types of voltage type accelerators and brake pedals in various scenes can be met.

The utility model provides a confocal microscopic Raman spectrometer wave number correction device, and belongs to the technical field of Raman spectrum detection. The correction device comprises a laser used for emitting laser; the lens assembly comprises a plurality of lenses, and the lens assembly is used for collimating and focusing the laser; the reflector assembly comprises a plurality of reflectors, the plurality of lenses and the plurality of reflectors are alternately arranged, and the reflector assembly is used for adjusting the light path direction of the laser; the attenuation sheet is arranged on a reflection light path in the reflector assembly and is used for attenuating the energy of the laser; the slit is arranged at a confocal position in the lens assembly, and the slit is used for screening Rayleigh scattering light in the attenuated laser; wherein the reflector assembly reflects the Rayleigh scattering light to the rotating grating assembly in the spectrometer. The correction device realizes a convenient and fast calibration process, and improves the calibration precision.

The utility model discloses dual-mode interactive projection equipment, which comprises a projector main body, an Android system mainboard and an interactive camera module are arranged in the projector main body, a USB toggle switch and external interfaces are arranged outside the projector main body, the external interfaces comprise an HDMI input interface and a USB output interface, and the HDMI input interface is connected with the USB output interface. The USB toggle switch is electrically connected with the Android system mainboard, the interactive camera module and the USB output interface, and through the design of the USB toggle switch, the switching of the interactive camera module between the Android mainboard and the external Windows computer is realized through the simple toggle switch; the technical problem that an existing Android interactive projector cannot use an interactive function when being connected with a Windows computer is solved, one piece of equipment supports the Android mode and the Windows mode at the same time, dual purposes of one piece of equipment are achieved, and the equipment utilization rate is increased.

The invention relates to the field of wafer code reading, and provides a wafer code reading method and system based on intelligent enhancement and dynamic optimization, and the method comprises the steps: firstly obtaining a wafer character image, and carrying out the image quality evaluation and image preprocessing; then, the preprocessed wafer character image is input into a deep transfer learning character large model for wafer character recognition, a wafer character recognition result and recognition confidence are obtained, and the model structure of the deep transfer learning character large model comprises a double-branch convolutional neural network and a Transform fusion framework; an incremental learning mechanism is introduced for abnormal sample learning; and finally, according to the wafer character recognition result and the recognition confidence coefficient, performing verification through a checksum algorithm, and judging whether a wafer code is directly obtained or a wafer character image corresponding to the wafer character recognition result is marked as an abnormal sample. According to the method, the accuracy, the adaptive capability and the engineering availability of a wafer code reading system in a semiconductor production environment can be remarkably improved.

The utility model relates to the technical field of cleanliness detection, in particular to a device for detecting cleanliness on line based on an ultraviolet fluorescence method. The device for online detection of the cleanliness based on the ultraviolet fluorescence method comprises a measurement module; the measurement module comprises a light path module and a calibration module; the calibration module comprises a stepping motor, a standard sample bracket and a position detection sensor; the stepping motor is connected with the standard sample bracket and drives the standard sample bracket to rotate, and the standard sample bracket comprises a plurality of cleanliness sample bracket units and channels arranged among the cleanliness sample bracket units; and the position detection sensor is arranged on the standard sample bracket. The light path module carries out detection by adopting an ultraviolet fluorescence method, has high sensitivity to common pollutants such as oil stains and organic impurities on the metal plate strip, can accurately detect trace pollutants, and improves the precision of cleanliness detection.

This application discloses a method and apparatus for initial pose calibration of a continuum robot. The initial pose calibration method includes: acquiring ideal current data of a drive motor when the continuum robot is in an ideal initial pose, wherein the drive motor is used to drive multiple drive ropes included in the continuum robot; constructing an ideal current range based on the ideal current data; and controlling the rotation of the drive motor based on an initial pose calibration algorithm, such that the initial current data of the drive motor obtained through rotation is located within the ideal current range, thereby completing the initial pose calibration of the continuum robot, wherein the initial pose calibration algorithm is created based on the ideal current range and a successive approach strategy.

The invention discloses an automatic cleaning and maintenance control method and system for water quality monitoring equipment and a medium, and belongs to the field of water quality monitoring. The method comprises the steps that pure water generated by a built-in pure water production assembly of equipment serves as a measurement anchor point, and whether sensors are normal or not is judged on the basis of comparison results of detection numerical values of the sensors in a pure water environment and a preset pure water threshold value; monitoring operation state parameters of the pure water production assembly, and dynamically adjusting and updating the pure water threshold value corresponding to each sensor; when the value of the sensor deviates from the threshold value, first-stage pure water flushing is executed; if not, second-stage maintenance is started according to the sensor type, the optical sensor performs optical path self-cleaning or backwashing, and the electrochemical sensor performs electrode cleaning; and detecting again after maintenance, and locking the sensor and generating a fault alarm if the sensor is still not recovered. Through dynamic threshold configuration, progressive maintenance and sensor adaptive cleaning, the problems of reference drift and deep pollution are solved, the data credibility is improved, and the operation and maintenance cost is reduced.

This application discloses an optimization method, apparatus, electronic device, and storage medium for a logistics order allocation system, relating to the field of logistics data processing. The specific implementation includes: obtaining keywords from a keyword library of the logistics order allocation system; matching the keywords with historical order address information in an address library to obtain N first historical order addresses matching the keywords; where N is a positive integer; in response to the N first historical order addresses belonging to multiple sites, setting the keywords as invalid keywords; determining expanded keywords for the invalid keywords based on the N first historical order addresses and the address library; and writing the expanded keywords into the keyword library. This solution can optimize the maintenance method of keywords in the logistics order allocation system, thereby improving the accuracy of order allocation, increasing logistics speed, and reducing labor costs.

This application provides a method, apparatus, and device for azimuth angle calibration of UWB base stations based on auxiliary base stations. The method includes: determining multiple target areas of a target scene during the movement of the auxiliary base station, wherein the auxiliary base station satisfies constraints with at least two UWB base stations when it is in a target area; for each target area, acquiring target angle measurement data corresponding to at least two UWB base stations corresponding to the target area, determining the relative angle relationship between the azimuth angles of at least two UWB base stations based on the target angle measurement data; and calibrating the azimuth angles of multiple UWB base stations in the target scene based on the relative angle relationship between the azimuth angles of at least two UWB base stations corresponding to each target area. This technical solution automatically calibrates the azimuth angles of multiple UWB base stations, with simple calibration operation, high calibration accuracy, and high calibration efficiency.

The embodiment of the application belongs to the technical field of robot collision detection, and relates to a collision detection calibration method of a robot. The method comprises the following steps: acquiring a calibration grid corresponding to the robot; determining position information of a contact point at which an actuator presses the surface of the robot based on the calibration grid; generating a control instruction based on the position information of the contact point and in combination with a preset action strategy, and instructing the actuator to press each contact point on the surface of the robot with a corresponding force according to the preset action strategy through the control instruction; acquiring corresponding calibration haptic information of each contact point each time the contact point is pressed; and constructing collision detection calibration data of the robot by using the position information of each contact point, the corresponding force and the corresponding calibration haptic information. The embodiment of the application also relates to related robot collision detection methods, devices and systems, etc. The technical solution of the application can improve the calibration efficiency of robot collision detection.

The invention relates to a pump speed dynamic calibration device and method based on weighing feedback, which are applied to the technical field of biological pharmacy, and the method comprises the following steps: setting a weighing module to directly measure the weight change so as to calculate the actual flow speed, thereby getting rid of the dependence on inaccurate and variable empirical parameters such as flux per revolution and the like, and improving the accuracy of the calibration. And the authenticity and the accuracy of the feedback data are fundamentally ensured. The actual flow velocity is compared with the target flow velocity through a calibration algorithm built in the control module, the rotating speed of the pump is adjusted in real time based on deviation, and a closed-loop control system is constructed. The system can respond in real time and automatically compensate flow velocity deviation caused by various factors such as pump rotating speed nonlinearity, pipeline pressure fluctuation, pump and pipeline abrasion and aging and the like, the precision and stability of flow velocity control are remarkably improved, and the adaptability and the anti-jamming capability of the device are enhanced. According to the invention, automatic calibration and stable control of the flow are realized, and the method is especially suitable for a continuous production process with high requirements on precision and stability.

The utility model relates to the technical field of gas spectrum analysis, in particular to an automatic calibration and storage device of a gas spectrum database, which comprises a gas chamber, a sealing cover is arranged on the upper side of the gas chamber, and an adjustable light source module, a gas spectrum calibration module and an integral processor are sequentially arranged on the upper side of the sealing cover from left to right. A heat dissipation type storage module is arranged at the right end of the lower side of the gas chamber, two gas path assemblies are arranged in the gas chamber and can be divided into a calibration gas path assembly and a cleaning gas path assembly, the calibration gas path assembly is used for normal gas calibration and conveying, and the cleaning gas path assembly is used for cleaning the calibration gas path assembly. According to the utility model, a highly integrated modular structural design is adopted, and the adjustable light source module, the gas spectrum calibration module, the overall processor and the heat dissipation type storage module are organically integrated around the gas chamber, so that the integrated functions of automatic calibration, analysis and storage of gas spectrum data are realized; and independent maintenance and upgrading of each functional module are facilitated.

The camera extrinsic parameter calibration method and the storage medium provided by the embodiment of the application can be applied to the field of information technology, can acquire a monitoring image collected by a target camera, can perform feature extraction on the monitoring image, and can create a target feature map according to the extracted features; initial values of target point cloud data of a scene where the target camera is located and installation position information of the target camera are acquired; an initial projection matrix is created according to the initial values of the target point cloud data and the installation position information, the target point cloud is projected onto the target feature map through the initial projection matrix, and a first projection result is obtained; the projection matrix is corrected according to the first projection result, a target projection matrix is obtained, and the extrinsic parameter of the target camera is calculated according to the target projection matrix. It can be seen that, by using the method of the embodiment of the application, the projection matrix can be solved, the extrinsic parameter of the target camera is calculated according to the finally obtained target projection matrix, and the automatic calibration of the target camera is realized.

The utility model relates to the technical field of linear actuator detection, in particular to a linear actuator detection device which comprises a bottom plate, a mounting groove, a support, a contact, a linear actuator, a collision block, a calibration assembly, a reset assembly, an adjusting assembly, an adjusting assembly, an adjusting assembly and a fixing assembly. A support is arranged on the inner side of the mounting groove and slidably connected with the mounting groove, a contact is arranged on one side of the support, a linear execution mechanism is arranged above the bottom plate, a collision block is arranged at one end of the linear execution mechanism, and a calibration assembly is arranged above the bottom plate. The calibration assembly comprises a first fixing frame, a cam shaft, a cam block, a connecting block, a rotating shaft, a lever, a sliding groove, a guide rod, a toothed rail plate, a second fixing frame, a ratchet wheel and a locking block. According to the utility model, a mechanical linkage type dynamic compensation mechanism is constructed to generate micro displacement, and the gradual position compensation of the contact support is realized by matching with the one-way locking characteristic of the ratchet wheel.

This application discloses an automatic calibration method, apparatus, display device, and storage medium. The automatic calibration method obtains a first actual feature value of the current installation position of the transceiver device in the display device, determines target algorithm parameters matching the current installation position based on the first actual feature value and a preset database, and then automatically calibrates the transceiver device according to the target algorithm parameters. The automatic calibration method in this application compares the first actual feature value with multiple standard feature values ​​in the preset database, finds the standard feature value that best matches the current installation position, and loads the preset algorithm parameters corresponding to this standard feature value as the target algorithm parameters. Subsequently, the pointing calculation model can be updated according to the target algorithm parameters to correct angle, distance, and coordinate mapping errors caused by installation position deviations, thereby achieving automatic calibration of the transceiver device and improving pointing accuracy.

The utility model relates to the technical field of display calibration, and provides a multi-screen color calibration system which comprises a display, a computer end and a color analyzer, wherein the display is provided with at least two screens; the color analyzer comprises at least two acquisition ends, and each acquisition end is arranged at a position where a screen is located, so that the acquisition ends acquire color data of the screen during operation; each acquisition end is electrically connected with the computer end, the computer end is electrically connected with the display, color calibration of display equipment with two (or more) screens is realized through one set of complete system, user operation is facilitated, and meanwhile, one set of multi-screen color calibration system comprises the display and the computer end with pre-installed software, so that the display equipment is more convenient to use. Automatic calibration of the color of the display can be realized.

The invention relates to the technical field of sensor calibration machines, and provides a net weight type multi-dimensional force sensor automatic calibration machine which comprises a rack, a clamping module is arranged at the top of the rack, a loading rotating ring is arranged at each of four stress positions of the clamping module, and four groups of rotary loading modules are arranged on the periphery of the clamping module. Four groups of series weight modules and linear motion modules are also arranged in the rack, loading ropes are led out of the loading rotating rings, and the loading ropes are connected to the corresponding series weight modules after winding around the rotary loading modules on the same side. The weight modules are connected in series, the problems of null drift, temperature drift, creep deformation and the like existing in a standard sensor in a stacked calibration machine are solved, and the weight modules are designed into structures which are convenient to freely combine and disassemble, so that disassembly, assembly and maintenance are convenient. The device is high in automation degree, simple in equipment operation, accurate in sensor calibration, high in efficiency, capable of carrying out single-dimensional or multi-dimensional loading force calibration according to requirements, wide in application range, simple in sensor multi-dimensional force value calculation and capable of achieving high calibration precision.

The utility model discloses an ultrasonic wave amplitude transformer automatic calibration device which comprises an ultrasonic wave device, a fixing column is fixedly installed at the top of the ultrasonic wave device, a connecting column is fixedly installed on the fixing column, an adjusting motor is fixedly installed at the top of the connecting column, and a connector is fixedly installed at the bottom of the connecting column. A connecting block is fixedly connected to the bottom of the connector, a mounting groove is formed in the bottom of the connecting block, three through holes are formed in the connecting block at equal intervals, a telescopic rod is fixedly mounted on the inner wall of the top of the mounting groove, an ultrasonic amplitude-change pole is fixedly mounted at the bottom end of the telescopic rod, and a fixing rod is fixedly mounted on the ultrasonic amplitude-change pole. According to the automatic calibration device for the ultrasonic amplitude-change pole, automatic calibration is carried out by adjusting the actual use length of the amplitude-change pole according to materials with different thicknesses and materials, and the performance and the working efficiency of ultrasonic equipment are improved.

The utility model relates to a foam fire truck with an automatic flowmeter calibration function. The foam fire fighting truck with the automatic flowmeter calibration function comprises a water tank, a foam pipe, a communicating pipeline and a control device, and when the foam fire fighting truck is used, after the control device receives a user instruction for calibrating an impeller flowmeter, the impeller flowmeter can be calibrated by controlling opening and closing of a tank water outlet valve, a tank foam outlet valve, a calibration valve, pressure water, a fire monitor and a fire pump; and the working state of the foam fire fighting truck with the flowmeter automatic calibration function is switched to a fire extinguishing state or a flowmeter calibration state. According to the foam fire truck with the flow meter automatic calibration function, a worker only needs to input an instruction to the control device, automatic calibration of the impeller flow meter can be achieved, the calibration work of the impeller flow meter is greatly simplified, and the calibration efficiency is improved. And the control device automatically calibrates the impeller flow meter through actual flow data collected by the impeller flow meter and a standard flow meter collected by the electromagnetic flow meter, so that the reliability of flow calibration work is effectively improved.

This invention proposes an automatic calibration device for electron beam deflection scanning accuracy. By setting up a dedicated electron beam acquisition device, deflection scanning, and synchronous high-speed data acquisition circuit, and planning an automatic calibration scanning path, combined with specially designed deflection scanning accuracy calibration software, automatic calibration of large-angle electron beam deflection scanning accuracy is achieved, greatly improving the automation level and efficiency of calibration. By adopting a point-by-point scanning method, following an automatic calibration trajectory of clockwise square rotation and a path planning method for electron beam oscillation searching through the beam current maximum value, it can ensure that the current calibration point can be found and has a sufficiently high calibration accuracy, not less than 0.1d. The beam current through 81 calibration holes is collected by 81 independent Faraday tubes, which can ensure that the electron beam after passing through the upper electrode plate and the upper electrode plate insulation plate, as well as the secondary electrons generated by the electron beam bombarding the metal wall of the Faraday tube, are completely collected by the Faraday tube, thereby improving the calibration accuracy.

The application discloses a kind of portable thermal imaging precision target reporting system and calibration method, it is related to military, police firearms live ammunition shooting training equipment technical field.The portable thermal imaging precision target reporting system and calibration method, including background master control through wireless network receiving the bullet point information sent by front end collector, the visual display of bullet point is carried out on master control interface, the front end collector is used to collect the thermal imaging image of target point, the bullet receiving component is used as the target point equipment of live ammunition practice.In the application, target reporting collector adopts integrated design, and is easy to use;Calibration uses two modes of factory calibration and on-site calibration, uses the spot position and distance of laser to carry out rough calibration, uses thermal imager and industrial camera to carry out joint accurate calibration, without sticking hot spot and calibrating thermal imager, realize the automatic calibration of target reporting equipment, accurate display of bullet point data and use portability.

The application provides a water guide laser light-water coupling automatic calibration method applied to a water guide laser light-water coupling automatic calibration system. The calibration method comprises the following steps: when a laser collimation head receives a laser beam, the relative position image of a light spot generated by the laser beam and a nozzle is acquired, a temporary image converted according to the relative position image is subjected to edge detection to extract edge features therein, the light spot edge features are subjected to circle detection to obtain a light spot detection result; the nozzle edge features are detected to obtain a nozzle detection result; and based on the light spot detection result and the nozzle detection result, the light path of the laser beam is changed by an electric light path calibration module to adjust the position of the light spot, so as to realize automatic calibration of light-water coupling. The application automatically adjusts the light spot position, eliminates errors possibly caused by manual adjustment, improves calibration efficiency and stability, and reduces consumption of human resources.

The application discloses an injection locking frequency multiplication device, a phase-locked loop and a method, which integrates a digitalized capacitance array in a resonant cavity of an injection locking frequency multiplier, and combines a frequency multiplication amplitude detection module and a feedback control module to form a closed-loop adaptive tuning structure, so that the equivalent capacitance and the resonant frequency of the resonant cavity can be adjusted in real time according to the amplitude change of a frequency multiplication signal, thereby effectively compensating for frequency drift caused by process deviation, power voltage fluctuation and temperature change, significantly widening the working frequency band of the injection locking frequency multiplier, improving locking accuracy and working stability, avoiding the phase noise deterioration and power consumption increase phenomenon caused by reducing the Q value of the resonant cavity or increasing the injection power to widen the locking range in the traditional scheme, enabling the frequency multiplier to realize wide frequency working and automatic calibration while maintaining good spectral purity and low phase noise, and being more suitable for a phase-locked loop and a radio frequency front-end circuit in a multi-frequency band and wideband communication system.

The application provides a wafer carrying disc, which comprises a wafer tray, a lifting assembly, a carrying ring and a plurality of fingers, the wafer tray is used for carrying a wafer, the carrying ring is arranged around the wafer tray, the plurality of fingers are arranged on the carrying ring, the fingers have a supporting part and a limiting part fixedly arranged on the supporting part, the lifting assembly is used for driving the carrying ring to drive the plurality of fingers to lift or drive the carrying ring to drive the plurality of fingers to descend, the limiting part has a guiding slope towards the inner side, the diameter of a circle defined by the inner sides of the plurality of limiting parts is greater than the diameter of a circle defined by the inner sides of the plurality of supporting parts, and the plurality of limiting parts are used for guiding and limiting the wafer. In the application, the limiting part is fixedly arranged on the supporting part of the plurality of fingers of the wafer carrying disc, the limiting part can guide and limit the wafer from the periphery of the wafer, thereby ensuring the uniformity of wafer heating and improving the safety of semiconductor process. The application further provides a semiconductor process equipment.

The application discloses a bridge impact signal recognition device and relates to the technical field of image visual displacement monitoring.The device comprises a communication module, a meteorological module, a positioning module, a processing unit, a flash memory module, a laser ranging module, an image acquisition module and a target target.The target target comprises a photovoltaic cell, a timer and a motor, and is installed on a fixed pile independent of a bridge pile.The meteorological module acquires meteorological information from outside through the communication module and transmits the information to the processing unit.The device performs gradient definition index sorting and screening according to image frame sequences, reduces displacement measurement noise power caused by turbulence, cross-verify periodic ranging of the target target through the laser ranging module, realizes automatic checking and drift correction of measurement accuracy, and realizes dynamic quantitative marking of measurement data reliability by driving the processing unit to calculate data quality weights and adding the weights to each displacement record through real-time visibility values obtained by the meteorological module.