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12results about How to "Achieve precise compensation" patented technology

Method and device for compensating dark current of thermal infrared imager

PendingCN121994361AImprove temperature measurement accuracyImprove uniformityRadiation thermographyDark currentOptics
The invention provides a thermal infrared imager dark current compensation method and device, and the method comprises the steps: obtaining the change data of a target parameter of each pixel in a detector of a thermal infrared imager along with the change of the temperature, and generating a target corresponding relation table containing the target parameter-temperature corresponding relation of each pixel based on the change data, the target parameter-temperature corresponding relation is matched with the dark current-temperature corresponding relation; when the thermal infrared imager measures the temperature, a first target parameter generated by the dark pixel is obtained; determining the temperature corresponding to the current dark pixel in a target corresponding relation table based on the first target parameter; determining the temperature distribution of all the pixels on the detector by combining the current temperature of the dark pixel and the heat transfer characteristics of the detector and the pixels; determining a second target parameter representing the current generation of each pixel in a target corresponding relation table according to the temperature distribution; and correcting the current temperature measurement result of the pixel according to the second target parameter of each pixel.
Owner:NORTHEASTERN UNIV CHINA

Single three-phase combined electromagnetic type in-phase power supply system and control method

This invention discloses a single-phase and three-phase combined electromagnetic in-phase power supply system and control method, relating to the field of electrified railway traction power supply technology. It includes a single-phase traction transformer, a three-phase-to-two-phase traction transformer, an electromagnetic in-phase compensation device, and a system main controller. During operation, the single-phase traction transformer undertakes the main traction power supply task, while the three-phase-to-two-phase traction transformer and the electromagnetic in-phase compensation device undertake auxiliary traction power supply and negative sequence management tasks. Each unit performs energy management and coordinated control through the main controller. This invention can transform existing traction substations using conventional three-phase-to-two-phase transformers into in-phase traction power supply systems, eliminating phase separation at the traction substation outlet, enabling the traction substation to provide in-phase power to the traction network while meeting grid-connected power quality requirements. The electromagnetic structure boasts high operational reliability and strong engineering applicability, and can be adapted to the retrofitting of existing electrified railway in-phase power supply lines and the integration of new energy sources along the traction side.
Owner:SOUTHWEST JIAOTONG UNIV

A method for compensating for the inclination of a blast furnace distribution chute and the material line

PendingCN122588297AAchieve precise compensationRadial position stability
The application discloses a kind of high furnace cloth chute inclination and material line compensation method, comprising: selecting a cloth inclination as reference inclination, and obtaining its corresponding reference material line height;Actual material line height of current high furnace is obtained, and the height difference with reference line is calculated;Material flow trajectory is divided into N continuous compensation intervals according to height difference;Pre-calculate the endpoint compensation value of each compensation interval, and the endpoint compensation value is the angle compensation amount that reference inclination needs to adjust at current material line height to keep the radial position of cloth drop point unchanged relative to reference material line;Determine the compensation interval where actual material line height difference is located, and the actual compensation angle corresponding to actual material line height difference is calculated using linear interpolation according to the upper and lower endpoint compensation value of the interval;Actual compensation angle is applied to reference inclination, and the cloth inclination that should be executed at current actual material line height is obtained.The application realizes the accurate compensation of chute inclination angle to material line height difference.
Owner:武汉钢铁有限公司

A method, system and storage medium for online monitoring of electricity consumption

PendingCN122085205Aavoid collectingAchieve precise compensationCircuit arrangementsElectrical measurementsPower usageElectricity meter
This application relates to the field of power distribution technology and discloses a method, system, and storage medium for online monitoring of electricity consumption. The method includes: collecting temperature and humidity data of distribution nodes through a three-zone environmental monitoring device to form an environmental data matrix; using a dual threshold algorithm to identify environmental deviations and generate a monitoring termination signal; restoring the environment to the standard range through cooling / heating and humidification / dehumidification adjustments; calculating a compensation coefficient based on the adjustment data; calibrating the electricity meter data for temperature and humidity based on the compensation coefficient; and optimizing power supply quality using a distribution loss environmental correlation algorithm to generate an adaptive scheduling strategy for the distribution network environment. This application solves the problem of inconsistent metering accuracy caused by the lack of an environmental adaptive mechanism in existing distribution network power monitoring technologies, improving the accuracy of power monitoring data under different environmental conditions and the economic efficiency of distribution network operation.
Owner:HENAN XJ INSTR

Temperature compensation device for speed regulating resistor of automobile air conditioner

ActiveCN224419142UImprove stabilitySolve the unstable speedMicro arc oxidationAutomobile air conditioning
The application relates to the technical field of automobile air conditioning systems, and discloses a temperature compensation device for an automobile air conditioner speed regulating resistor, which comprises a temperature compensation module, a speed regulating resistor module and a support assembly. The temperature compensation device for the automobile air conditioner speed regulating resistor is characterized in that the lead of the thermistor is vertically welded with the compensation circuit board, the constant pressure exerted by the elastic pressing piece in the connecting support is combined, the thermistor is ensured to be in zero-gap contact with the automobile air conditioner speed regulating resistor body, accurate compensation in the whole temperature range is realized, the stability of the fan rotating speed is improved, the connecting support integrates the compensation circuit board and the spring-driven clamping rod structure, the number of parts is reduced compared with a traditional scheme, the heat-conducting sheet is directly connected with the heat-dissipating sheet to replace the external heat-dissipating circuit, the external circuit design is reduced, the specific surface area can be increased through the honeycomb holes, the natural convection efficiency is improved through the micro-arc oxidation layer, the heat-dissipating effect is optimized, and the system complexity is reduced.
Owner:SHANGHAI YIHANG AUTOMOBILE PARTS

A liquid particle counting detection method based on pulse width characteristics

PendingCN122505782AAchieve precise compensationImprove particle size detection resolution
This invention discloses a liquid particle counting and detection method based on pulse width characteristics, belonging to the field of particulate matter optical detection. The method includes: acquiring a pulse signal corresponding to the light signal scattered by particles passing through a flow cell; determining the peak value of the pulse signal; extracting the pulse half-width and pulse bottom width based on the peak value; deducing the particle position based on a Gaussian beam model and the aforementioned pulse width characteristics; and compensating the actual peak voltage to the ideal peak voltage under an ideal trajectory based on the deduced particle position for particle size determination. This invention uses multiple parameters for deduction and employs a Gaussian model, fully considering the physical diffraction effect in the light propagation of the optical channel. Compared with background techniques, it provides more accurate particle positioning, thereby achieving precise compensation of the pulse signal amplitude and improving the particle size detection resolution of the liquid particle counter.
Owner:ZHEJIANG UNIV

A method, device, medium and equipment for correcting pulse pile-up effect error of a dTOF module

PendingCN122601841Aavoid interferenceAchieve precise compensation
The application provides a pulse pile-up effect error correction method of a dTOF module, comprising: determining a second function based on actual depth data of a direct flight time module and a first function; determining a third function based on the first function and the second function, performing Fourier series fitting on error data based on the third function to obtain a periodic error model; and performing error correction on corresponding actual depth data according to the periodic error model; in this way, the overall trend of the actual depth data is separated from the nonlinear error introduced by the pulse pile-up effect by fitting the second function, and only the error component containing periodic fluctuations is reserved; the nonlinear change trend of the error is fitted by the third function, and the periodic fluctuation component is accurately modeled by the Fourier series, which can completely cover the nonlinear error characteristics of the pulse pile-up effect, so that the compensation value completely matched with the actual error can be calculated, thereby realizing accurate compensation of the error.
Owner:KUNSHAN Q TECH CO LTD

Data processing method and device for amplitude compensation factor, equipment, medium and product

PendingCN122283904Aefficient managementFast map searchData setEngineering
This disclosure relates to the field of geophysical exploration technology, and particularly to a data processing method, apparatus, device, medium, and product for amplitude compensation factors. The method includes: acquiring seismic trace data and statistically analyzing the initial amplitude values ​​of each seismic trace within a preset time window; performing data preprocessing and amplitude compensation factor calculation on the seismic trace data and initial amplitude values ​​to obtain a total number of amplitude compensation factors; based on the total number of amplitude compensation factors, retrieving the amplitude compensation factor corresponding to each seismic trace, and applying the retrieved amplitude compensation factor to the corresponding seismic trace data to obtain a compensated seismic trace dataset. Therefore, the data processing method for amplitude compensation factors provided in the exemplary embodiments of this disclosure can effectively manage and organize data and achieve rapid mapping retrieval when faced with hundreds of thousands of shot-receiver points and millions of CMP points.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Self-adaptive control method for needle tooth density of wool spinning carding machine based on fiber fineness monitoring

PendingCN121978953Aavoid blindnessAccurate and timely full-dimensional inputCarding machinesAdaptive controlFiberControl engineering
The invention discloses a wool spinning carding machine needle tooth density self-adaptive control method and system based on fiber fineness monitoring, and relates to the field of mechanical intelligent control, and the method comprises the steps: obtaining fiber fineness monitoring data of a target scene and carding area operation characteristic data in real time; acquiring the needle tooth density of the target working condition through the fiber fineness monitoring data; constructing a working condition density distribution model of the needle tooth density of the target carding machine, and initializing the working condition density distribution model; in combination with the working condition density distribution model, the carding area operation characteristic data and a pre-constructed second relation model, calculating expected working condition pin tooth density, and adjusting the working condition density distribution model; and based on the working condition density distribution model, outputting an optimal apparent needle tooth density set value, generating a control instruction and driving a needle tooth density execution mechanism of the carding machine to act. The problems that in the prior art, manual sampling and off-line detection are dependent, information is seriously lagged, the needle tooth density adaptability is poor, and the dynamic operation working condition of the carding machine is not considered are solved.
Owner:JIANGSU CHINA TEXTILE UNITED KNITTING CO LTD

Device and system for compensating direct-current self-bias voltage of electrostatic chuck

PendingCN121922548AImprove the poor adsorption effect of wafersquality improvementElectric discharge tubesWaferPotential difference
The invention discloses a device and a system for compensating the direct current self-bias voltage of an electrostatic chuck, and relates to the technical field of semiconductor processing, the device comprises a radio frequency impedance matcher, a numerical value conversion unit and an analog-to-digital conversion circuit, the radio frequency impedance matcher is used for providing intermediate parameters related to process conditions, and the numerical value conversion unit is used for converting the numerical value into the analog-to-digital conversion circuit; the method has the advantages that the problem that the potential difference between the electrode and the wafer is increased due to the direct-current self-bias can be compensated through a series of operations such as acquiring the intermediate parameters, calculating the direct-current self-bias approximate value and feeding back and compensating the voltage, so that the condition that the wafer adsorption effect of the electrostatic chuck is poor is improved, and the service life of the electrostatic chuck is prolonged. According to different process conditions such as radio frequency power, gas types, gas flow, cavity pressure and the like, intermediate parameters are accurately obtained, an approximate value of the direct-current self-bias voltage is calculated through a function relation, then accurate compensation of the direct-current self-bias voltage is achieved, and the accuracy of the direct-current self-bias voltage is improved. And the performance and the efficiency of semiconductor processing equipment are improved.
Owner:SHANGHAI WEIYUN SEMICON TECH CO LTD

Chuck run-out compensation method and device for pipe cutting

The embodiment of the invention provides a chuck bounce compensation method and device for pipe cutting. The method comprises the following steps: acquiring first sensing data of a target chuck in a gap period of cutting a to-be-processed pipe, preprocessing the first sensing data to obtain second sensing data, determining dynamic run-out data, static coaxiality data and temperature correction of the target chuck according to the second sensing data, and cutting the to-be-processed pipe according to the dynamic run-out data, the static coaxiality data and the temperature correction. Performing fusion processing on the dynamic bounce data, the static coaxiality data and the temperature correction to obtain a bounce deviation value, determining a chuck adhesion risk level of the target chuck, determining a compensation trigger threshold according to the chuck adhesion risk level, determining a first compensation value according to the bounce deviation value and the compensation trigger threshold, and determining a second compensation value according to the first compensation value; and compensating the target chuck according to the first compensation value. According to the method provided by the embodiment of the invention, the intelligent level of chuck bounce compensation is improved, accurate compensation of chuck bounce is realized, and the precision and stability of pipe cutting are improved.
Owner:YUDOU SH INTELLIGENCE TECH CO LTD

Charging pile charging data compensation methods, devices, platforms and storage media

ActiveCN121200856BAchieve precise compensationreduce lossesCharging stationsElectric vehicle charging technology
This application relates to the field of data processing technology, and in particular to a method, device, platform, and storage medium for charging pile charging data compensation. The method involves acquiring the reported charging data from the target charging pile and determining whether the reported charging data was received within a first preset time period. If not received, the method acquires the time point of the reported charging data and determines the missing time point and corresponding missing charging data for the charging pile. Next, it determines the first power value of the reported charging data and uses the reported charging data to perform power compensation calculations on the missing charging data to obtain a second power value for the missing charging data. Finally, by combining the first and second power values, the first total charging amount of the target charging pile is calculated. This application solves the problem of missing charging pile data and ensures the accuracy and completeness of charging data through power compensation, providing a reliable basis for charging pile management and electricity billing.
Owner:QIANHAI FORCE (SHENZHEN) INTELLIGENT TECHNOLOGY CO LTD