79 results about "Calibration function" patented technology

The utility model discloses a kind of turnover mechanisms with calibration function for panel, including fixed frame, lifting module is installed on fixed frame, lifting module is connected with mounting seat, mounting seat is connected with turnover structure, calibration structure is equipped below turnover structure;Turnover structure includes hollow rotating platform that can rotate along horizontal axis, hollow rotating platform is connected with the turnover servo motor for driving its rotation, hollow shaft of hollow rotating platform is connected with mounting bracket, and several suction cups are equipped on mounting bracket;Calibration structure includes calibration table, several panel support columns are equipped on calibration table, several first calibration components and several second calibration components are equipped on calibration table.The beneficial effects of the utility model are: the structure of the turnover mechanism is simple, easy to operate, can calibrate the position of panel, ensure the position of panel is in the middle, can ensure that the adsorption position of turnover structure to panel is accurate and the position of panel after turning over is accurate, and can save process CT time.

A pipelined SAR ADC that is connected to receive an analog input voltage includes a first ADC stage, a residue amplifier, a second ADC stage, and calibration circuitry coupled and configured to add first and second ADC conversion results to form an uncalibrated digital value, and to apply calibration values to the uncalibrated digital value to obtain a calibrated digital value corresponding to a calibrated digital representation of the analog input voltage, where the calibration values include a first ADC stage DAC element mismatch calibration value corresponding to the first ADC conversion result, an offset calibration value, and a gain adjustment factor.

The application discloses a kind of for the inspection method, device and nonvolatile storage medium of vehicle controller.Therein, the method includes: obtaining the first target information of the flashing of flashing controller, wherein the first target information includes the data to be flashed;First target information is modified to obtain second target information;Determine the installation state of second target information based on second target information Vehicle controller of target vehicle, wherein installation state includes normal installation and abnormal installation;Determine whether flashing controller is in normal working state based on installation state.The application solves the technical problem that the method for checking the vehicle controller calibration function is lacked in the prior art.

The application discloses a crude polysaccharide content determination method and system based on multi-standard comparison, and the method comprises the following steps: according to the type of a sample to be measured, matching applicable crude polysaccharide determination standard methods through a preset standard database, and forming a candidate standard list; synchronously performing detection according to the standard methods in the candidate standard list respectively, and obtaining original detection data under each standard method; according to an absorbance sequence, calculating kinetic characteristic parameters under each standard method, and matching through a preset interference characteristic library to obtain a matrix interference type of the sample to be measured; through a preset mutual calibration function, mapping crude polysaccharide content determination values of each standard method to the same reference, calculating calibration deviations of each standard method; based on the calibration deviations and the matrix interference type, obtaining comprehensive quality scores under each standard method, and determining an optimal recommended method according to the comprehensive quality scores. Through mutual calibration and elimination of matrix interference, the optimal detection standard can be automatically recommended.

This application discloses a self-maintenance method and system for laboratory fume hoods, and a laboratory fume hood itself. The self-maintenance method includes: self-testing after the fume hood system starts; self-maintenance execution, including self-cleaning of the duct regulating valve and self-calibration of sensors; fault diagnosis, collecting electrical parameters and sensor detection data in real time, and performing fault diagnosis on each component based on the electrical parameters and detection data; fault early warning, employing a graded response mechanism to trigger differentiated responses based on the severity of the fault diagnosis results, the differentiated responses including the self-maintenance execution, audible and visual alarms, or information prompts; and record traceability, whereby the differentiated responses are recorded, stored, and uploaded to a laboratory equipment management platform in real time. This system possesses self-maintenance capabilities, achieving self-testing, self-cleaning, self-lubrication, and self-calibration functions, reducing the failure rate of laboratory fume hoods and labor maintenance costs.

The utility model discloses a gas alarm with on -line calibration function, including alarm body, alarm device, gas supply system, and be used for detecting gas content's sensor probe, and gas supply system is fixedly connected with alarm body, is used for providing the sensor probe with the gas to be measured, gas supply system includes the pure air providing mechanism for zero point calibration, the standard content gas providing mechanism for range calibration and control valve, and control valve is used for switching the gas provided to sensor probe, and the gas alarm with on -line calibration function still includes control system, and control system is electrically connected with control valve, sensor probe and alarm device, is used for controlling control valve action and control alarm device and sends out alarm. The gas alarm with on -line calibration function has the function of on -line calibration.

This disclosure provides a test circuit, calibration method, and test equipment, wherein the test circuit includes a main control chip and an internal calibration circuit; the internal calibration circuit includes a resistor with a preset resistance value, a relay array, and a correction ADC; the main control chip is used to control the relay array to activate the measurement link in the internal calibration circuit corresponding to the control signal according to the received control signal; the internal calibration circuit is used to receive the test electrical signal, output it to the corresponding correction ADC through the measurement link, and acquire the value of the output electrical signal through the correction ADC. The test circuit provided by this disclosure allows the acquisition of the electrical signal output by the test chip within an ATE (Automatic Test Equipment) device, and the calibration of the test chip based on these electrical signals, integrating the test chip calibration function within the ATE device, thereby improving the integration level of the ATE device.

The utility model discloses an online length measuring device in cable production process relates to cable production detection equipment technical field, including mounting bracket, compression wheel, guide wheel, measuring wheel and detection device, the compression wheel horizontal interval rotation is installed on the mounting bracket, and the guide wheel and measuring wheel rotation are installed on the mounting bracket, and the compression wheel is formed with the guide wheel, measuring wheel between the clamping gap for the cable of passing through to be measured, and the gap is less than the cable diameter to be measured, measuring wheel is fixedly connected with the pivot of detection device, and the cable to be measured moves through friction force and drives the rotation of measuring wheel, and detection device converts the rotation of measuring wheel into length data, the mounting bracket still is equipped with the calibration device including static generator, fiber sensor no.

The utility model relates to welding positioning calibration technical field, concretely relates to a kind of positioning calibration device of steel structure welding installation.It includes positioning mechanism, clamping mechanism and calibration mechanism, clamping mechanism includes arc plate, and arc plate bottom is rotatably connected with fixed base by elastic member;Fixed base is located on the transverse plate above base, and is fixed with transverse plate by multiple bolts;The side corresponding with fixed base above transverse plate has movable seat sliding in clamping groove inside by slider;By being divided into fixed base and movable seat for clamping mechanism, first rotator moves movable seat along clamping groove to accurate fixed position, and the accurate control rotation angle of first rotator, cooperate with infrared positioner, the positioning calibration function of clamping mechanism can be more accurately controlled, and when workpiece has offset in radial direction, calibration can be carried out at any time, when subsequent welding work is carried out, weld is more uniform, and the design of one-side movable seat reduces the number of moving parts, so that calibration is more accurate.

The application provides a touch LED display control system with self-adaptive calibration function, which comprises a master control processing unit, a touch collection module and an LED display driving unit, wherein the master control processing unit is connected with the output end of the touch collection module; and the environment sensing unit in the application is controlled by the master control processing unit, the environment sensing unit acquires original environment data, the original environment data acquired by the environment sensing unit are sequentially subjected to corresponding treatment by a data preprocessing module, a multi-source fusion module, a hierarchical closed loop unit and a fine compensation correction unit, and finally a full-screen fine compensation table is generated; then the master control processing unit performs point-by-point, region-by-region and real-time correction on the touch coordinates and the LED display data, so that the touch LED display control system can realize intelligent, automatic, efficient and high-precision self-adaptive calibration, and greatly reduces the error caused by temperature drift and environmental interference.

The invention relates to a calibration method (100) of a gas pycnometer, said gas pycnometer comprising at least two containers, a reference container having a reference volumetric capacity, referred to as the first capacity, and a receiving container configured to hold a sample whose volume is to be determined, said receiving container having a test volumetric capacity, referred to as the second capacity, said gas pycnometer being configured to determine the volume v of a sample housed in the receiving container, characterized in that said gas pycnometer is characterized by a calibration function which depends on at least two modeling parameters: a sensitivity coefficient which is a predetermined value and a pycnometer-to-empty ratio which is a measurement value of said pycnometer when empty, the relative measurement uncertainty(s) of said pycnometer being determined as a function of the sensitivity coefficient and the pycnometer-to-empty ratio.Figure to be published with the abbreviation: none.

This application relates to a calibration circuit, method, and apparatus for terminating matching resistors. The calibration circuit includes an AUX channel receiver, a first terminating resistor, a second terminating resistor, and a switching module. The switching module is electrically connected to the input of the AUX channel receiver and is used to switch between a first operating state and a second operating state. In the first operating state, the switching module configures the input of the AUX channel receiver to connect to a first connection point and a second connection point to perform AUX signal reception. In the second operating state, the switching module configures the input of the AUX channel receiver to connect to a common-mode node and a reference voltage terminal to perform calibration of the first and second terminating resistors. This allows for direct measurement and calibration of the first and second terminating resistors in actual use using external current and voltage sources.

A rain gauge with self-calibration function includes a cylindrical body with an open top. A funnel is provided inside the cylinder, dividing the inner cavity of the cylinder into a water collection chamber and a measuring chamber from top to bottom. An ultrasonic probe for detecting water level is installed in the measuring chamber. The cylinder is supported by a mounting bracket, on which a weight sensor for weighing the cylinder is mounted. A calibration pipe and a calibration valve are provided on one side of the measuring chamber, and a drain pipe and a drain valve are provided at the bottom of the measuring chamber. The weight sensor, ultrasonic probe, calibration valve, and drain valve are all electrically connected to a data processing unit. Compared with the prior art, this application has the following beneficial technical effects: it has a self-calibration function, enabling online self-calibration with zero manual intervention and zero external equipment, thus maintaining long-term accuracy in liquid level detection.

This invention discloses an in-situ calibration system for an underwater dissolved gas sensor with an integrated self-calibration module. A 2004nm butterfly laser module emits laser light, and a Herriott absorption cell module allows the laser to be reflected multiple times by the detector gas, resulting in selective absorption of the laser at a characteristic wavelength to form an absorption spectrum. A synchronization control module handles power supply, communication, environmental parameter control, and calibration timing control, enabling synchronized switching between the system's measurement and calibration modes. A data processing module inverts the spectral data collected by the system to obtain dissolved gas concentration data. A self-calibration gas supply unit introduces standard gas into the Herriott absorption cell module when the calibration program starts. This invention integrates the self-calibration function with the sensor detection unit, effectively simplifying the operation and maintenance process of underwater gas monitoring, improving the long-term stability of the sensor, and making it suitable for in-situ dissolved gas monitoring in various underwater environments such as oceans, lakes, and reservoirs.

A circuit includes: a driver circuit; a sense resistor; a test circuit; a current sense circuit; a calibration controller; and a switch controller. The current sense circuit is configured to: obtain first sense signals responsive to a test voltage applied to the sense resistor by the test circuit, the test voltage being a direct-circuit voltage; and obtain second sense signals responsive a supply voltage applied to the sense resistor by the driver circuit, the supply voltage including a common-mode voltage. The calibration controller is configured to calibrate the current sense circuit responsive to the first sense signals and the second sense signals. The switch controller is configured to update switch control signals provided to the driver circuit responsive to current sense signals obtained by the calibrated current sense circuit.

The present application relates to a kind of system for realizing large-scale MIMO transceiver phase calibration function, including MIMO transceiver, signal source and vector network analyzer, when the transmitting phase of MIMO transceiver is calibrated, the output end of signal source is connected with first port, and transmitting channel TX1-TXn of MIMO transceiver is connected to second port one by one;When the receiving phase of MIMO transceiver is calibrated, one-way output of two-way power divider is connected to first port, and other-way output is connected to receiving channel RX1-RXn of MIMO transceiver one by one.The present application also relates to a kind of method for realizing large-scale MIMO transceiver phase calibration processing, device, processor and storage medium.The system for realizing large-scale MIMO transceiver phase calibration function, method, device, processor and its computer readable storage medium of the present application solve that the phase error caused by large-scale MIMO system itself reference channel phase jitter is larger, and the reliability problem of phase calibration value, ensure the phase consistency of large-scale MIMO transceiver system.

The utility model relates to the technical field of ship instruments, and discloses a marine flow channel dual-channel redundancy instrument with a correction function, which comprises a connecting part, and a control valve with three liquid outlet ends is arranged at the end part of the connecting part. Two liquid outlet ends of the control valve are connected with instrument pipelines which are opposite in liquid outlet inclination angle direction and identical in liquid outlet inclination angle, the ends of the instrument pipelines are communicated with detection instruments, and the liquid outlet ends of the two detection instruments are connected with a confluence three-way valve. The last liquid outlet end of the control valve is arranged between the two instrument pipelines and communicated with a correction channel, the correction channel is a three-way pipeline, the liquid outlet end of the correction channel is communicated with the connecting point positions of the instrument pipelines and the detection instrument, and a pressure detection component extending to the outside of the correction channel is arranged in the correction channel. The marine flow channel dual-channel redundancy instrument with the correction function has the advantages that the overall service life is prolonged through redundancy setting, and the aging condition of the instrument can be conveniently detected.

The present invention relates to the technical field of laser spectroscopy analysis and provides an adaptive calibration method and apparatus for a material detection model based on LIBS. The method comprises: acquiring spectral data of a mixed material collected by a LIBS device, as well as an actual concentration of a target element in a finished sintered ore obtained after the mixed material undergoes reaction; obtaining an actual concentration of the target element in the mixed material on the basis of the actual concentration of the target element in the finished sintered ore; obtaining a predicted concentration of the target element in the mixed material on the basis of the spectral data and a material detection model; obtaining a calibration function on the basis of the actual concentration and the predicted concentration of the target element in the mixed material; and using the calibration function to calibrate the material detection model.

The application relates to the technical field of motor control, in particular to a multi-path intelligent motor control system. The system comprises a master station, a slave station, intelligent motors, a communication module and a power supply unit; the master station is the core of system control, is used for sending control instructions, receiving feedback data and managing system operation states, and a configuration state display screen is used for displaying system operation parameters and fault information; the slave station is in communication connection with the master station, is used for forwarding the control instructions of the master station to the intelligent motors, and collecting the operation data and fault parameter feedback of the intelligent motors to the master station; the application has the beneficial effects that: the control capacity is large and expandable; through the hierarchical architecture of the master station and the slave station, the centralized control of a maximum of 16 slave stations and 512 intelligent motors is supported, the multi-stage cascade can further expand the control quantity, and the demand of a multi-electric field scene is met; the control precision is high, and the synchronization is good; the intelligent motor is configured with a 2048-line magnetic encoder and a maximum 256-subdivision driving structure, and is combined with the 0-bit calibration function of the slave station.

The utility model discloses a roll up banner support with a horizontal calibration function, and particularly relates to the technical field of display devices.The roll up banner support comprises a fixed base plate, two outer pipes are fixedly installed on the top of the fixed base plate, the bottoms of the outer pipes are inserted into the fixed base plate, a supporting mechanism is arranged above the fixed base plate, and the supporting mechanism is arranged on the fixed base plate. The supporting mechanism comprises an inner pipe, the top of the inner pipe is detachably provided with a top supporting plate, the stability of the equipment structure and the use flexibility are improved, the telescopic supporting legs can be adjusted according to different ground conditions, it is ensured that the support can be kept stable on different terrains, and the device is compact in structure, comprehensive in function and convenient to use. A stable and reliable display platform is provided for exhibition and display activities, practicability and flexibility are both considered, a user can rapidly judge whether the support is horizontal or not through the gravity plumb bob indicator, the support is rapidly adjusted to be in the horizontal state, and extra measuring tools do not need to be used.

The application discloses a field measurement and processing integrated robot with a self-calibration function, comprising a moving platform, a plurality of bases, a processing main shaft, and a telescopic support-measuring assembly connected between the moving platform and each base; the telescopic support-measuring assembly comprises a plurality of telescopic support chains with the same structure and a telescopic measuring arm, and the telescopic support chains and the telescopic measuring arm are connected with the moving platform and the bases through Hooke hinges or spherical hinges; the telescopic support chains drive the moving platform to generate multidimensional movement; and the telescopic measuring arm realizes self-calibration and robot pose monitoring by monitoring the length change of the telescopic measuring arm. The robot adopts a split structure, is convenient for field installation and transportation, can realize field processing and measurement integration of large workpieces, can improve production efficiency and product quality, can reduce production cost, and can improve the flexibility of a processing system.

This invention relates to a 4D millimeter-wave radar roll angle calibration system. A roll angle calibration value is configured by placing left and right corner reflectors on the upper and lower sides of an assumed horizontal plane of the millimeter-wave radar, respectively. Then, a host computer triggers a calibration program. Upon receiving a command, a slave computer controls the millimeter-wave radar to send test signals to the left and right corner reflectors, thereby detecting their position information. Based on the position information of the left and right corner reflectors, the roll angle measurement value of the millimeter-wave radar can be further calculated. Finally, the roll angle calibration value and the roll angle measurement value are used to calibrate the roll angle of the millimeter-wave radar. This application demonstrates that the host computer controls the radar to automatically complete the roll angle calibration function and derives a method for calculating the radar roll angle based on the angular position information measured by the radar.

The utility model relates to measuring tool technical field discloses a surveying tape for engineering cost, the utility model aims at solving the single function of existing measuring tool, the low efficiency caused by the combination use of multiple tools, and the technical problem that the locking structure operation of telescopic and angle adjustment is complicated, and the reliability is insufficient. The surveying tape includes surveying tape main part, and the extension assembly of the sliding connection with the main part, rotatable connection's measuring mechanism and the horizontal surveyor of providing surveying datum. Its core structure lies in: set up the limiting mechanism, this mechanism contains the limiting plate driven by spring, limiting plate can automatically joint in the limiting block of extension component's extension ruler and set up, realizes the quick regulation and reliable locking of length. The utility model will length, angle and horizontal calibration function high integration, the structure is ingenious, has improved the convenience and work efficiency of engineering measurement significantly, and guarantees the accuracy of data through reliable locking and unified surveying datum.

This specification provides an embodiment of an intelligent blood glucose meter with automatic calibration function, including a housing, a display screen and a test strip slot disposed on the housing, and the following components disposed inside the housing: a detection module, used to collect the initial electrochemical signal generated by the reaction between the blood sample and the test strip reagent when the test strip is inserted into the test strip slot and a blood sample is added; an environmental monitoring module, used to monitor the current ambient temperature in real time and collect environmental compensation parameters that affect the accuracy of blood glucose detection; a storage module, used to store preset standard calibration curves and dynamic compensation algorithm models; an automatic calibration module, connected to the detection module, environmental monitoring module and storage module respectively, used to receive the initial electrochemical signal and environmental compensation parameters, and to perform correction calculations on the initial electrochemical signal according to the dynamic compensation algorithm model to generate a calibrated blood glucose value; and a display module, used to output the calibrated blood glucose value to the display screen for display.

The application discloses a kind of calibration method and calibration device of distributed optical fiber temperature measurement system.Method includes: the scattering response data along temperature measurement fiber under preset calibration condition is collected, and original calibration response sequence is constructed in combination with reference temperature zone temperature information;Candidate link disturbance position is extracted based on original calibration response sequence, target disturbance position caused by joint or fusion point is identified, and corresponding disturbance type is determined;According to disturbance type, local response distortion variable, inter-segment baseline offset, subsequent segment slope disturbance and calibration weight adjustment amount are determined, and the influence propagation relationship of each joint or fusion point on subsequent segment calibration parameter is constructed;With target disturbance position as section division reference, based on influence propagation relationship, temperature measurement fiber is segmented calibration function reconstruction, and combined with section continuity constraint and reference temperature zone constraint is jointly solved, and the calibrated distributed optical fiber temperature inversion model is obtained.The application improves temperature calibration accuracy under complex disturbance condition.

This application discloses a linear actuator test bench, relating to the field of linear actuator testing technology. It includes a test bench body, a loading device fixed to its upper end, a test rod mounted on one side of the loading device, a weight rack fixed to the side of the loading device away from the test rod, an indicating device fixed to the upper end of the test bench body, an actuator body mounted on the upper end of the test bench body, a power supply chassis mounted on the side of the test bench body, a control platform fixed to the upper end of the power supply chassis, and an installation structure for quick assembly and disassembly of the actuator body on the upper end of the test bench. This installation structure enables rapid assembly and disassembly of the actuator body, greatly shortening clamping time, and significantly improving overall testing efficiency, especially in batch testing scenarios. Simultaneously, the automatic centering calibration function ensures that the actuator is in the optimal testing position during each test, effectively improving the accuracy and repeatability of the test results.

The application discloses a tactile sensor with self-calibration function and direction detection. The application comprises a force detection module and a self-calibration module in the force detection module. The force detection module is two different types of silicon beams, which are a silicon beam for measuring z-axis stress and a silicon beam for measuring x / y-axis stress. The self-calibration module comprises piezoelectric material and electrodes; the piezoelectric material is located above the two different types of silicon beams respectively, and the inverse piezoelectric effect is used to drive the silicon beam to generate mechanical strain, so as to realize self-calibration of the tactile sensor. The shape of the silicon beam for measuring x / y-axis stress in the application is a circular arc instead of a traditional straight beam, which can generate greater mechanical strain under the same stress, thereby expanding the sensitivity of the tactile sensor, and the direction of the external force acting on the tactile sensor is detected through the trend of the output resistance change. The application can also calibrate and compensate errors of the tactile sensor through the self-calibration module.

The utility model discloses a kind of air conditioner indoor unit quick-mounting support with horizontal calibration function, it is related to air conditioner indoor unit quick-mounting support technical field, including mounting bracket, the both sides of mounting bracket are fixedly connected with water tank, the top of mounting bracket is slidably connected with two clamps, the bottom of mounting bracket is provided with displacement component, displacement component is used to drive clamp to move, the recess is opened in the side of mounting bracket, the top of mounting bracket is provided with first motor, the bottom of first motor output shaft extends to the inside of recess and is fixedly connected with screw thread.The utility model discloses a kind of air conditioner indoor unit quick-mounting support with horizontal calibration function, through adjusting component adjustment secondary pressing plate, can according to the model and size of different air conditioners, ensure that its top is completely covered, avoid because size mismatch and form dust accumulation dead angle.Meanwhile, adjusting component has positioning function, can ensure that pressing plate keeps stable after adjustment, form tight closure, to greatly enhance the versatility and adaptability of system.