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284 results about "Calibration instructions" patented technology

Multi-parameter fusion intelligent electric energy meter online calibration method and system

The invention relates to the technical field of online calibration, in particular to a multi-parameter fusion intelligent electric energy meter online calibration method and system, and the method comprises the following steps: collecting voltage waveforms, current harmonics and active power data, dividing windows, calculating a covariance matrix, and generating a feature set; a power factor curvature extreme value and a temperature inflection point offset are analyzed to generate an interference identifier, current density distribution and a voltage distortion spectrum are jointly analyzed to extract a harmonic energy ratio to generate a feature vector, and phase compensation is performed on a pulse sequence to generate a calibration instruction set. According to the method, the covariance matrix is constructed by synchronously collecting voltage and current power parameters, the abnormal mark section is generated by combining the temperature change and the covariance difference value, the environment disturbance and the real deviation are effectively distinguished, and the temperature hysteresis effect is identified through the power factor curvature extreme value and the temperature inflection point offset. And combining current density and voltage distortion spectrum analysis to extract a fundamental wave and harmonic wave energy ratio, establishing a composite calibration reference, and dynamically adjusting a pulse duty ratio to realize harmonic wave energy compensation.
Owner:JINING QUALITY MEASUREMENT INSPECTION & TESTING INST (JINING SEMICON & DISPLAY PROD QUALITY SUPERVISION & INSPECTION CENT JINING FIBER QUALITY MONITORING CENT)

Electromagnetic flowmeter online calibration system and acquisition and storage device

The invention relates to the technical field of electromagnetic flowmeter calibration, and discloses an electromagnetic flowmeter online calibration system and an acquisition and storage device. The system comprises a signal acquisition module, a data processing module, an error analysis module, a parameter calibration module and a real-time monitoring module. The signal acquisition module captures an original signal waveform through a multi-channel sensor array and acquires flow signal data to generate a state set; the data processing module uses a wavelet packet transformation and adaptive filtering combined algorithm to reduce noise and extract features; the error analysis module constructs a dynamic time warping error matching model to obtain an error correction coefficient; the parameter calibration module adopts a fuzzy control and proportional integral differential composite strategy, and adjusts excitation current and electrode sensitivity according to an error correction coefficient; the real-time monitoring module establishes a rolling optimization model with time-varying constraints, and generates a calibration instruction in combination with signal stability and power consumption limitation. According to the system, online accurate calibration of the electromagnetic flowmeter is realized, and the measurement accuracy and the equipment operation stability are improved.
Owner:KENWEISI (SHANGHAI) TESTING TECH CO LTD

Response characteristic calibration method, device and equipment of logging equipment and storage medium

The invention relates to a response characteristic calibration method, device and equipment of logging equipment and a storage medium. The method comprises the following steps: carrying out two-parameter response modeling on key parameters of logging equipment, and constructing a pressure-fluidity coupling response model; data acquisition parameters and signal filtering parameters of logging equipment are configured in a partitioned manner, and a multi-layer response parameter set is established. And processing the logging pressure and fluidity data sequence to obtain a logging data deviation characteristic spectrum and a response anomaly type matrix. And performing multi-target parameter optimization calculation on different layers of response parameter sets to generate a layered calibration parameter sequence. The layered calibration parameter sequence is analyzed, response benchmark analysis, response gain analysis and response compensation analysis are achieved, and a multi-layer response calibration instruction is obtained. And the calibration instruction is subjected to a comparison test under three working conditions, and a pressure-fluidity two-parameter calibration curve is generated. According to the method, accurate calibration of the logging equipment under various working conditions is realized, and the reliability of a calibration result is ensured.
Owner:CHINA PETROLEUM LOGGING-ATLAS COOP SERVICE CO

Lithium battery diaphragm whole-process production data transmission optimization method and system

The invention discloses a lithium battery diaphragm whole-process production data transmission optimization method and system, and particularly relates to the technical field of data transmission. Sensor data of a lithium battery diaphragm whole process is collected through a sensor array, the sensor data is extracted to obtain actual process parameters, and the actual process parameters are compared with preset process parameters; outputting the abnormal data; based on a space-time topological structure of a sensor, calculating space-time-function coupling weights among abnormal data, constructing a structural coupling matrix, identifying error clustering candidate bodies, and extracting space-time distribution characteristics and abnormal combination modes of the error clustering candidate bodies; performing structural classification on the error clustering candidate bodies by utilizing a preset rule engine, and outputting a deviation report; and outputting a sensor calibration instruction and a process fine tuning instruction based on the deviation report, thereby solving the problems that the deviation source is difficult to accurately identify, the key abnormal data transmission is not timely and the false alarm rate is high.
Owner:XIANGYANG HUIQIANG NEW ENERGY MATERIAL TECH CO LTD

Digital twinning progress tracking and risk pre-control method for hydraulic engineering construction

The invention discloses a digital twinning progress tracking and risk pre-control method for hydraulic engineering construction, and relates to the field of hydraulic engineering construction, and the method comprises the steps: obtaining mechanical positioning, material entering and environment monitoring data through a multi-source sensing terminal, and generating a time-space aligned construction situation data set; a progress weight template is activated based on the construction stage identifier, and a dynamic weight vector is generated in combination with the environment data; comparing the construction situation data with the reference model to calculate a comprehensive progress deviation index; when the index exceeds the limit, constructing a resource topological relation graph to generate an elastic scheduling instruction; outputting a derivative risk probability through the risk conduction model and generating an optimized scheduling instruction set; triggering a calibration instruction to feed back a correction parameter according to the execution data; by establishing a three-level calibration mechanism linked with the construction progress, the risk change and the environmental disturbance, layered accurate adjustment of data acquisition, environmental factors and model parameters is realized.
Owner:郭建东

Lithium iron phosphate battery BMS parameter calibration method and device based on state estimation

The invention relates to a lithium iron phosphate battery BMS parameter calibration method and device based on state estimation, and the monitoring method comprises the steps: obtaining real-time working data and historical working data, and carrying out the estimation based on the real-time working data and the historical working data, and obtaining an estimated electric quantity state and an estimated health state; training a prediction model I and a prediction model II for predicting the electric quantity state and the health state based on the historical working data; performing dynamic correction based on the estimated electric quantity state and the estimated health state to obtain a corrected electric quantity state and a corrected health state; and respectively calculating a deviation value I of the predicted electric quantity state and the corrected electric quantity state and a deviation value II of the predicted health state and the corrected health state, respectively comparing the deviation value I and the deviation value II with a preset threshold value of the deviation value I and a preset threshold value of the deviation value II, and judging whether a calibration instruction is generated or not. By dynamically calibrating the BMS parameters, the calibration accuracy of the electric quantity state and the health state during riding is improved.
Owner:SHENZHEN HAOCHENG OPTOELECTRONICS TECHNOLOGY CO LTD

Self-adaptive cooperative calibration method and system for differential reflectivity of whole system of networking X-band radar and storage medium

PendingCN119556245ARadio wave reradiation/reflectionRainfall estimationAtmospheric sciences
The invention relates to the field of meteorological observation, and provides a networking X-band radar full-system differential reflectivity self-adaptive cooperative calibration method and system and a storage medium, and the method comprises the steps: collecting radar base data, and transmitting the radar base data to a data processing center; preprocessing the radar-based data, performing deviation detection on differential reflectivity data of the preprocessed radar-based data, and generating a calibration instruction based on a deviation detection result; based on the calibration instruction, automatically scheduling the radar to be calibrated to execute zenith calibration VPCAL mode scanning; in the scanning process, synchronously collecting VPCAL scanning data and transmitting the VPCAL scanning data to a data processing center; based on VPCAL scanning data, quantitative deviation is calculated and issued to a calibration execution unit; and carrying out automatic parameter adjustment on the X-band radar of which the quantitative deviation exceeds a threshold value, and sending a deviation warning to a user. According to the invention, the monitoring precision, the calibration precision and the quantitative rainfall estimation capability of the weather radar can be improved, and forecasting and early warning services and refined meteorological services are provided.
Owner:BEIJING METEOROLOGICAL OBSERVATION CENT

Intelligent control method, system and equipment for automobile seat and medium

The invention relates to an intelligent control method, system and device for an automobile seat and a medium, and belongs to the field of automobile seat adjustment control. The intelligent control method comprises the steps that a control instruction data packet from a mobile terminal is received and converted into a vehicle CAN bus protocol data frame; analyzing an operation mode identifier in a vehicle CAN bus protocol data frame, and matching a corresponding target attitude parameter set; based on the real-time temperature data in the vehicle, dynamic compensation calculation is executed on the target attitude parameter set, and an after-compensation execution instruction set is generated; a motor control signal is sent to a seat executing mechanism; calculating a deviation value between the feedback signal data and the compensated execution instruction set, and if any deviation value exceeds a preset deviation threshold value, generating a mechanism calibration instruction; and acquiring final execution state data of the seat execution mechanism, and feeding back the final execution state data to the mobile terminal. Intelligent seat adjustment based on real-time feedback can be achieved, and it is ensured that a driver obtains the best comfortable experience in different scenes.
Owner:XIAN ISRING HUATAI AUTO SEAT

Measuring instrument automatic calibration method and system based on big data

The invention discloses a measuring instrument automatic calibration method and system based on big data, and the method comprises the steps: obtaining the multi-dimensional operation data of a measuring instrument in real time through a sensor, and covering the equipment state and environment parameters; processing the data to generate an operation data set, and extracting a fluctuation characteristic value of the quantitative state change by adopting time sequence analysis; when the fluctuation characteristic value exceeds a preset threshold value, triggering depth characteristic decomposition to obtain deviation distribution information; on the basis of the information and in combination with historical records, the optimal calibration opportunity is judged through a machine learning model; and a calibration instruction is automatically generated and issued to the instrument control module to execute calibration. According to the method, the defects that traditional calibration depends on manpower and is not accurate in time are overcome, intelligent and automatic calibration based on the real state is achieved, the calibration precision and efficiency are remarkably improved, and the adaptability and robustness of the system in the complex environment are enhanced.
Owner:SHENZHEN SIRUIJINGDA PRECISION INSTR CO LTD

Control method for automatic feeding and discharging of broach

The invention discloses a control method for automatic feeding and discharging of a broach, and relates to the technical field of mortise broaching machines and mortise broaching machines. The control method comprises the steps that machining parameters are obtained, a tool changing instruction is generated, and storage position coordinates of a target broach are analyzed; according to the tool changing instruction, a posture calibration instruction is generated; a coordinate system of the guide rail truss is obtained, and a moving path of the moving frame is obtained; based on the advancing path, an inclination angle of 15-25 degrees is formed between the hook and the broach box hanging column; obtaining plug-in gap data, and generating a plug-in completion signal; the plug-in gap data is scanned, multi-source data fusion processing is carried out, and a quality evaluation report in the tool changing process is generated; and extracting the process parameter deviation value, the path planning time consumption and the metal material strength data in the quality evaluation report to obtain the structure safety coefficient of the broach assembly. The method has the effects of improving the efficiency and the safety during cutter loading and unloading, and improving the real-time performance and the flexibility of monitoring and adjusting the cutter loading and unloading process at the same time.
Owner:HUNAN NANFANG MASCH TOOL CO LTD

Nerve radiation field-based spherical reflection cavity virtual calibration method

The invention belongs to the field of virtual image display, particularly relates to a spherical reflection cavity virtual calibration method based on a neural radiation field, and aims to solve the problems that micron-level deviation is difficult to accurately capture due to interference of a high-reflection surface, and an executable correction instruction cannot be generated by fusing process constraints. The method comprises the following steps: deploying image acquisition equipment around a cavity to synchronously capture a multi-view optical image sequence; inputting a neural radiation field model, reconstructing a three-dimensional geometric structure and optical properties through a volume rendering technology, and dynamically optimizing and fitting reflection characteristics and curvature changes of a carbon fiber material; extracting spherical radius, local curvature and boundary contour parameters, and comparing the parameters with design specifications point by point to generate a deviation distribution diagram; generating a multi-level calibration instruction set based on the deviation distribution diagram in combination with the laying layer tolerance and the assembly clearance; and outputting an instruction to the manufacturing system to execute physical adjustment, and re-collecting the image to verify the calibration effect until the acceptance index is met. According to the invention, the deviation capturing precision is improved, and a correction instruction can be generated.
Owner:CHINA SOUTHERN TECHNOLOGY (GUANGDONG HENGQIN) CO LTD +1

State of charge calibration method and device, battery management system and storage medium

The invention relates to a state of charge calibration method and device, a battery management system and a storage medium. The method comprises the following steps: determining equivalent cycle times of battery charging and discharging; under the condition that the equivalent cycle number is greater than a preset number threshold, sending a charge state calibration request; and receiving a state-of-charge calibration instruction returned based on the state-of-charge calibration request, and performing state-of-charge calibration processing on the energy storage battery according to the state-of-charge calibration instruction. By adopting the method and the device, the judgment accuracy of the calibration opportunity can be improved, and the accumulated error of the SOC is within an acceptable range.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD +1

LCD display screen production state collaborative management method based on industrial internet

The invention relates to the technical field of production state management, in particular to an LCD display screen production state collaborative management method based on the industrial internet, which comprises the following steps of: acquiring execution cycles and response delays of multiple devices, performing aggregation analysis, generating a rhythm synchronization parameter table, performing time sequence alignment to calculate time sequence offset and generating a time sequence calibration instruction; the method comprises the following steps of: analyzing current power and cycle deviation to form an equipment coupling trend, monitoring a scheduling rhythm correction execution sequence, dynamically estimating delay and optimizing a production state management cooperative control result, realizing cooperative measurement and difference identification through multi-equipment rhythm normalization aggregation, and improving state response precision and synchronization consistency through time sequence alignment; load coupling analysis balances energy consumption distribution and rhythm, whole-line scheduling correction realizes production rhythm balance and continuous operation, the resource utilization rate and the production efficiency are improved, process waiting and energy consumption fluctuation are reduced, and the system cooperation and self-adaptive regulation and control capability is enhanced.
Owner:FUJIAN XIENKAI ELECTRONICS CO LTD

Vision and AI combined printing automatic calibration method and system and storage medium

The invention relates to an automatic printing calibration method and system combining vision and AI and a storage medium, a multi-mode sensing unit integrated on a printing head assembly synchronously collects two-dimensional images, three-dimensional shapes and working spacing data of a printing area in real time, and data fusion is carried out by using a model based on a neural radiation field; generating a high-fidelity multi-dimensional digital mapping; carrying out defect identification and positioning by adopting a pre-trained convolutional neural network CNN model, and predicting an optimal adjustment parameter according to the defect information and the historical sequence through a long short-term memory network LSTM model; the edge calculation and control unit is combined with a material characteristic database to generate a hierarchical calibration instruction in a millisecond level, adopts fuzzy PID self-optimization control to dynamically set PID control parameters, and is combined with feed-forward compensation of the inertial measurement unit to perform accurate, smooth and robust control on an execution mechanism, so that the accuracy of calibration is improved. And full-automatic, high-precision and real-time online calibration of the printing process in a complex industrial environment is realized.
Owner:GUANGZHOU SENYANG ELECTRONIC TECH CO LTD

Dynamic calibration control method for detection precision of non-standard automatic detection tool

The invention discloses a dynamic calibration control method for the detection precision of a non-standard automatic testing fixture, and particularly relates to the field of industrial automation and control, which comprises the following steps of: constructing a real-time dynamic error field model of the testing fixture; a distributed optical fiber sensing network and a miniature laser interferometer cooperatively collect real-time detection data and spatial-temporal variation errors under a multi-physics coupling effect, a precision degradation track is predicted based on spatial-temporal variation error data, a pre-compensation signal is generated, and a self-adaptive Kalman filtering algorithm is adopted to generate a precision compensation parameter. Environment temperature, vibration and electromagnetic interference data are monitored in real time, environment disturbance data are generated, a hybrid controller combining nonlinear model predictive control and reinforcement learning is adopted, multi-source data are fused, a calibration instruction is generated through multi-target optimization, and an execution mechanism is driven to achieve online dynamic calibration. And digital threads and transfer learning are integrated to realize full-life-cycle data closed-loop management and continuous optimization.
Owner:JIANGSU MEICHI INTELLIGENT MANUFACTURING TECHNOLOGY CO LTD

Production equipment state real-time analysis method and system based on edge calculation

The invention provides a production equipment state real-time analysis method and system based on edge calculation, and relates to the technical field of information, and the method comprises the steps: analyzing the dynamic change trend of a light beam central axis according to the offset trajectory of the light beam central axis, and determining the spatial distribution characteristics of the light beam axis through the dynamic change trend of the light beam central axis in combination with an LED array arrangement SIC mode; if the adjustment angle in the lens calibration instruction set exceeds a preset angle threshold, dynamically adjusting the position of the optical axis of the lens according to the offset amplitude and direction of the optical axis, compensating the offset of the light beam axis in real time, and obtaining a calibrated optical axis parameter; according to the color temperature distribution uniformity, determining a target lens position through a lens position adjustment attribute; according to the calibrated optical axis parameters and color temperature distribution uniformity, stable light beam center axis distribution is determined, spectrum consistency is determined, and a performance evaluation data set is obtained through comprehensive evaluation.
Owner:SHENZHEN ZHONGFUNENG ELECTRIC EQUIPMENT CO LTD

Hospital medical record data anomaly analysis method based on big data

The invention relates to the technical field of medical big data analysis, and discloses a hospital medical record data anomaly analysis method based on big data. According to the method, multi-source medical record data including diagnosis and treatment event records, nursing operation sequences and patient sign monitoring streams in a hospital information system are collected, and structured reforming is carried out. And constructing a medical record element interaction graph based on the reformed data, and detecting an abnormal state conduction path between the data elements through the graph model. And performing hierarchical traceability calculation according to the detected conduction path, positioning an abnormal source and generating a positioning report, and finally outputting a calibration instruction set according to the report. According to the method, the abnormal conduction chain is systematically identified from the correlation perspective, and the root source of the abnormality can be automatically and accurately traced, so that the logicality and the positioning accuracy of the medical record data abnormality analysis are improved.
Owner:SHANDONG PROVINCIAL HOSPITAL AFFILIATED TO SHANDONG FIRST MEDICAL UNIVERSITY (SHANDONG PROVINCIAL HOSPITAL)

End micro-grid energy storage optimization configuration method and system and computer readable storage medium

The invention relates to the technical field of power system energy storage optimization, and discloses a terminal micro-grid energy storage optimization configuration method and system and a computer readable storage medium. Comprising the steps of generating load demand probability distribution and a new energy output confidence interval through deep learning and Bayesian probability modeling based on historical load and new energy monitoring data, extracting boundary parameters and mapping the boundary parameters into a quantum state initial solution set, and generating a quantum coding instruction set; a quantum algorithm population is initialized, a non-dominated solution set sequence is generated through quantum gate evolution operation, and a Pareto leading edge output optimization configuration scheme is screened; verifying feasibility in combination with local voltage data, and generating an executable control instruction set after fine tuning of capacity-position weight; and driving the energy storage unit to execute charging and discharging operation, collecting operation data, updating model parameters, finally separating probability weights and quantum deviations, adjusting a Bayesian model and resetting quantum gate parameters to generate a calibration instruction set. According to the invention, the energy storage configuration efficiency and precision can be obviously improved.
Owner:STATE GRID QINGHAI ELECTRIC POWER COMPANY +2

High-precision zero-flux compensation method

The invention discloses a high-precision zero magnetic flux compensation method, which comprises the following steps of: acquiring a detected current signal, and generating a magnetic field detection interface structure after noise reduction, frequency band extraction and magnetic sensitive configuration processing; performing magnetic field analysis, feature matching and resource optimization based on the data to generate efficient compensation parameters; final compensation output is generated through interference identification, compensation recombination and power adaptation; generating a calibration trigger mark through standard value comparison, stability evaluation and threshold judgment; and finally, forming a closed-loop calibration instruction set through type identification, strength calculation and time sequence arrangement, and completing parameter updating and verification. According to the invention, the precision and stability of current measurement are significantly improved, the interference of a complex environment is effectively suppressed, and the characteristics of strong adaptability and low power consumption are achieved.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT +1

Direct current motor control and automatic detection system and method

The invention discloses a direct current motor control and automatic detection system and method, the system comprises an upper computer, a lower computer and a CAN bus communication unit, the upper computer comprises a calibration module, a position control module, a self-inspection module and a communication interface, and the calibration module is used for initiating an automatic calibration instruction and receiving and displaying a calibration result; the position control module is used for generating a target position instruction and receiving and dynamically displaying the real-time position of the motor; the self-checking module is used for initiating a one-key self-checking instruction and displaying a self-checking result; the lower computer comprises a main control chip, the main control chip is provided with an H-bridge driving circuit and an encoder acquisition circuit, the H-bridge driving circuit is used for driving the direct current motor to rotate forwards and backwards, and the encoder acquisition circuit is used for acquiring motor position signals; the CAN bus communication unit is connected with the communication interface of the upper computer and the main control chip of the lower computer through the USB to CAN module; according to the invention, faults can be automatically detected in the production and use processes of the DC motor, and the efficiency of production personnel and the product quality are improved.
Owner:WUHAN FUTURE MIRAGE TECH CO LTD

Multi-target adaptive optical tracking method and system for unmanned intelligent turntable

The invention provides a multi-target adaptive optical tracking method and system for an unmanned intelligent turntable. The method comprises the following steps: acquiring a video stream and turntable attitude data on an unmanned intelligent turntable; carrying out scene understanding operation on the video stream, fusing the dynamic attention area and extracting spatial distribution information of a plurality of moving targets in a rotary table coordinate system; calculating an optical deformation parameter of the liquid lens, and driving the liquid lens to execute non-uniform optical curved surface adjustment, so that a focus area simultaneously covers a plurality of spatially dispersed moving targets; receiving distance data fed back by the distance measuring equipment, carrying out cross validation on the distance data and actual optical parameters of the adjusted liquid lens, and generating a cooperative calibration instruction when the deviation exceeds the tolerance; and synchronously updating the dynamic region of interest identification logic of scene understanding and an optical deformation parameter calculation strategy according to the instruction. According to the invention, the stability and spatial positioning precision of multi-moving-target tracking in a wide-area complex scene are improved.
Owner:LUSTER LIGHTWAVE CO LTD

Calibration test system and calibration test equipment

The invention belongs to the technical field of calibration test, and provides a calibration test system and calibration test equipment, and the calibration test system comprises the calibration test equipment, control equipment and a plurality of to-be-calibrated test products. The calibration test equipment is connected with the control equipment and the plurality of to-be-calibrated test products, and is configured to execute the following steps: responding to a received calibration instruction issued by the control equipment, performing calibration test on the plurality of to-be-calibrated test products at the same time, and respectively obtaining a calibration result corresponding to each to-be-calibrated test product; and the control equipment is configured to execute the following steps: when the calibration result corresponding to each to-be-calibrated test product uploaded by the calibration test equipment is received, displaying the calibration result corresponding to each to-be-calibrated test product in the user interaction interface.
Owner:GUANGDONG QISITECH CO LTD

Switching amplitude consistency calibration method and system

The invention provides a switching amplitude consistency calibration method and system, and belongs to the technical field of microwave switching amplitude calibration, and the method comprises the steps: obtaining a calibration instruction, and measuring an initial radio frequency signal through a correction source; a power divider is used for carrying out signal distribution to obtain a radio-frequency signal with consistent amplitude, the radio-frequency signal is transmitted to a direction-finding matrix switch to obtain a signal subjected to matrix processing, a multi-channel receiver and an intermediate-frequency board card are used for processing to obtain multi-channel carrier amplitude information, and a channel amplitude difference and an error value of each channel are calculated; receiving actual amplitude information, and calculating a matrix error value by using a channel amplitude difference; calibrating the switching information according to the error value of each channel and the matrix error value to obtain an amplitude and phase consistency signal; according to the invention, the amplitude consistency and phase consistency of the switch system in a wide temperature range environment are improved, the insertion loss fluctuation of the switch system under a high isolation condition is reduced, the design and manufacturing processes are optimized, and the production efficiency of the switch system is improved.
Owner:CHENGDU JIUHUA YUANTONG TECH DEV

Calibration method and device for vehicle camera, vehicle and calibration equipment

The invention relates to the technical field of sensor calibration, and discloses a calibration method and device for a vehicle camera, a vehicle and calibration equipment. The calibration equipment comprises a movable robot and a calibration plate arranged on the movable robot. The calibration method comprises the steps that a calibration instruction for a target camera is sent to calibration equipment, so that a movable robot drives a calibration plate to move according to a target calibration track corresponding to the target camera; in the moving process of the movable robot, image data collected by the target camera for the calibration plate, three-dimensional point cloud data collected by a laser radar carried by the vehicle and vehicle attitude data collected by an inertial measurement unit carried by the vehicle are obtained; calculating and determining internal and external parameters of the target camera according to the image data, the three-dimensional point cloud data and the vehicle attitude data; and storing the internal and external parameters as calibration parameters of the target camera to an electronic control unit of the vehicle. According to the invention, the calibration efficiency and precision of the vehicle camera can be improved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Dynamic calibration method for permeability coefficient of ice water accumulation body

The invention provides an ice water accumulation body permeability coefficient dynamic calibration method which comprises the following steps: responding to a dynamic calibration instruction, analyzing an identification code, calling an environment parameter set and generating a permeability characteristic spectrum; selecting a calibration time period for storage; after verification is triggered, a verification parameter group is generated, real-time response data is received, a calibration result is output after interference filtering, correction, adjustment, feature extraction and similarity calculation, and the permeability coefficient is corrected if verification is passed. According to the invention, the permeability coefficient of the ice water accumulation body can be accurately calibrated in real time, the accuracy of glacier melt water seepage characteristic analysis is improved, and the reliability of glacier engineering and environment monitoring is enhanced.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Amplitude-phase regulator debugging method and device, upper computer and storage medium

The invention provides an amplitude-phase regulator debugging method and device, an upper computer and a storage medium, and belongs to the technical field of automatic control. The method comprises the steps that a zero calibration instruction is issued to an amplitude-phase regulator; sequentially issuing a plurality of first set attenuation values to the amplitude-phase regulator, and drawing a first curve fluctuation diagram of the attenuator in the to-be-tested frequency band based on a plurality of first actually measured attenuation values returned by the test instrument; sequentially issuing a plurality of first set phase shift values to the amplitude-phase regulator, and drawing a second curve fluctuation diagram of the phase shifter in the to-be-tested frequency band based on a plurality of first actually measured phase shift values returned by the test instrument; selecting a curve fluctuation graph with a relatively large fluctuation degree value as a target curve graph, and performing frequency band division based on the target curve graph to obtain a plurality of sub-frequency bands to be measured; and in each sub-frequency band to be tested, debugging the attenuator and the phase shifter respectively. According to the amplitude-phase regulator debugging method and device, the upper computer and the storage medium provided by the invention, the debugging efficiency of the amplitude-phase regulator can be improved, and the debugging difficulty can be reduced.
Owner:HEBEI SHIGUANG RADIO FREQUENCY TECH CO LTD

Inspection point calibration method, device, equipment, robot, medium and program

The invention relates to an inspection point calibration method, device and equipment, a robot, a medium and a program. The inspection point position calibration method comprises the following steps: establishing a regional three-dimensional model of an inspection region according to point cloud data of the inspection region, equipment data of the inspection region and inspection point position data of the inspection region; and determining a robot inspection path corresponding to each inspection point according to the regional three-dimensional model. And determining a robot stop point corresponding to the to-be-calibrated inspection point according to the regional three-dimensional model and the target robot inspection path under the condition that a calibration instruction of the user for the to-be-calibrated inspection point according to the regional three-dimensional model is received. The target robot inspection path is a robot inspection path corresponding to the to-be-calibrated inspection point. According to the robot stop point and the to-be-calibrated inspection point, the inspection posture of the robot corresponding to the to-be-calibrated inspection point is determined, and calibration of the to-be-calibrated inspection point is completed.
Owner:NR ELECTRIC CO LTD +2

Chip electrical parameter online intelligent calibration method and system

The invention provides an on-line intelligent calibration method and system for electrical parameters of a chip, and relates to the technical field of parameter calibration, and the method comprises the steps: carrying out the physical state sensing of a target chip, and obtaining multi-mode state data; real-time working scene recognition is carried out; calling a historical time sequence state sequence; performing electrical parameter dynamic deviation prediction, and outputting a target parameter prediction deviation value; based on the time sequence violation event and the voltage overrun event, performing dynamic weighted accumulation to obtain an abnormal accumulation factor; performing a multi-objective optimization decision, and generating a dynamic calibration instruction; and mapping the parameters into hardware configuration parameters of an adjustable circuit module in the target chip, and carrying out on-line real-time calibration on the electrical parameters. The technical problems that in the prior art, chip electrical parameter calibration mostly depends on static testing during factory leaving, electrical parameter changes of the chip in different working stages, especially in the long-term operation process are neglected, and performance loss and reliability reduction of the chip in operation are caused are solved.
Owner:SUZHOU XINTI SEMICONDUCTOR TECHNOLOGY CO LTD

FAU array self-calibration collimation and low-crosstalk coupling system for OCS

The invention relates to the technical field of optical cross connection device calibration, and discloses an FAU array self-calibration collimation and low-crosstalk coupling system for an OCS. According to the system, optical axis deviation, light spot parameters and inter-unit crosstalk data of each unit are acquired in real time through a distributed optical sensing array. And the light path state mapping module constructs a dynamic topological mapping graph according to the data, and globally represents the array coupling state. The self-adaptive calibration module calculates calibration requirements and generates an original instruction, and the crosstalk suppression coordination module analyzes the estimated influence of instruction adjustment on crosstalk of adjacent units, restrains the instruction which may deteriorate the crosstalk, and generates an optimized calibration instruction. And the collaborative execution module drives the micro actuator to complete submicron-level pose adjustment according to the final instruction. According to the system, active collaborative optimization of alignment precision and crosstalk suppression in the calibration process is realized, and the overall performance and stability of the system are improved.
Owner:SHENZHEN BIYANG OPTICAL COMM TECH CO LTD

Energy consumption detection method, system and equipment based on industrial Internet of Things, and medium

The invention belongs to the technical field of industrial Internet of Things, and particularly discloses an industrial Internet of Things-based energy consumption detection method, system and device and a medium, and the method comprises the steps: carrying out the time sequence alignment of a power curve, a current waveform and voltage stability data collected by a multi-source sensor according to a timestamp marking technology, and obtaining a time sequence synchronization data set; analyzing current waveform frequency domain characteristics in the time sequence synchronization data set based on fast Fourier transform, judging whether an abnormal frequency component caused by electromagnetic interference exists or not, and obtaining interference source equipment; according to the interference source equipment, the transmission sequence of the real-time calibration instruction is adjusted through a priority scheduling algorithm, and an optimized instruction sequence is obtained; according to the optimization instruction sequence, updating power distribution parameters of the parallel equipment through an incremental data fusion method; the objective of the invention is to solve the problem of inaccurate energy efficiency evaluation caused by electromagnetic interference, voltage fluctuation and energy consumption deviation during cooperative operation of multiple devices in an industrial scene.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD