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31results about How to "Avoid data collection" patented technology
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Image collecting circuit of high-speed absolute grating ruler
ActiveCN103512500AFast measurementIncrease productivityUsing optical meansConverting sensor outputGratingCoding decoding
The invention relates to an image collecting circuit of a high-speed absolute grating ruler. Coarse code channels and high-precision absolute code channels are engraved in the grating ruler. A photoelectricity converter for reading images and two LED light sources are further installed on the grating ruler. Multiple data reading windows are arranged in the photoelectricity converter. The image collecting circuit comprises a circuit switching device, a first A / D converter, a second A / D converter, a phase detector, a first position detector, a counting device, a second position detector, a speed detector, a correcting processor, a phase correcting processor, an absolute position detector, a speed judging device, a coding and decoding device and a storage device. Phases output by the photoelectricity converter are used for finely dividing adjacent absolute coding engraving line intervals to improve measuring precision of the grating ruler, macro-micro composite reading on low-precision incremental code channels and high-precision absolute code channels is achieved with a reading head. In a low-precision measuring stage, high measuring speed is achieved and low-speed high-precision measuring is carried out by switching when an endpoint is close.
Owner:GUANGDONG UNIV OF TECH
Vehicle diagnostic data collecting apparatus, vehicle diagnostic data collecting method, vehicle diagnostic machine, and vehicle diagnosing method
ActiveUS20150348339A1Simple operationEasily changeVehicle testingRegistering/indicating working of vehiclesDiagnostic dataDiagnostic methods
A data collecting apparatus sets types of target ECUs, and stores, in a storage unit, driving parameter data items, which are capable of being output by a plurality of ECUs, in association with IDs of the plurality of ECUs. Subsequently, for each of the aforementioned types, a query is made to a vehicle as to whether an installed ECU exists, and the installed ECU is identified as a target ECU. Thereafter, based on the ID of the installed ECU, driving parameter data items capable of being output by the installed ECU that was identified as the target ECU are set as collection items.
Owner:HONDA MOTOR CO LTD
Phi-OTDR quadrature phase demodulation system and phase demodulation method
PendingCN107389106AImprove signal-to-noise ratioImprove detection distanceConverting sensor output opticallyBandpass filteringLow-pass filter
The invention provides a phi-OTDR quadrature phase demodulation system and phase demodulation method. Laser of a narrow linewidth laser device is split by an optical fiber coupler, a large beam is connected into an acoustic optical modulator as sensing light, a modulated frequency shift is delivered into sensing optical fiber, a small beam is used as reference light, sensing light returned by a circulator is subjected to heterodyne coherence in a 2*2 optical fiber coupler, is then split into two beams of identical signal light to be converted into an electric signal through a balanced probe and is divided into two circuits through a power divider after being filtered, and after one circuit is delayed by an electric adjustable delay chip, the two circuits of electric signals are mixed with a sinusoidal signal with the frequency of fc sent by a signal generating module in a mixer separately and are then sent into a control center through a low-pass filter and an analog-digital conversion module to obtain phase information of a sensor light signal. According to the Phi-OTDR quadrature phase demodulation system and phase demodulation method, an interferometer does not need to be introduced, and additional environment noise cannot be introduced; complex high-speed data acquisition and processing are not needed, the system is simple, the price is low, and the system and method are more suitable for engineering application.
Owner:NO 34 RES INST OF CHINA ELECTRONICS TECH GRP
Over-coverage cell determining method and device
ActiveCN105263146AAvoid data collectionSave human effortNetwork planningMaterial resourcesComputer science
The invention discloses an over-coverage cell determining method and device, relates to the field of communication technology, and can save a lot of human and material resources. The method comprises that a first distance, a first amount and the switching success frequency between a target cell and each adjacent cell are obtained; the dynamic coverage radius of the target cell is obtained according to the first distance, the first amount and the success frequency; a second distance and a second amount are obtained; an over-coverage proportion of the target cell is obtained according to the second distance, the dynamic coverage radius and the second amount; and when the over-coverage proportion is greater than or equivalent to a preset proportion, the target cell is determined to be an over-coverage cell. The method and system can be used to determine whether over coverage occurs in the cell.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Data communication module of motor protector
ActiveCN102968103ANo need to waste communication timeAvoid data collectionTotal factory controlProgramme total factory controlData acquisitionComputer module
The invention discloses a data communication module of a motor protector. The data communication module comprises a central processing unit, a storage unit, a power supply unit, a configurable module, a local application interface, field control interfaces and a connector assembly, wherein the field control interfaces comprise a status input interface, a status output interface, a data acquisition module and a data uploading interface; the connector assembly is used for signal connection; the data acquisition interface of the field control interfaces is arranged on the communication module for acquiring current, voltage, startup time, operation and fault data of a motor; the data uploading interface is arranged on the communication module for packing the acquired data according to the requirements set by the user and then uploading the packed data to an upper communication device for an upper acquisition system. The data communication module of the motor protector disclosed by the invention is used for judging whether data acquisition is carried out to the motor protector or not by monitoring the operation status of an MCC (Motor Control Center) switch cabinet motor protector, so that system does not waste redundant communication time.
Owner:NANJING CEC AUTOMATION
Updating method and system of dashboard data
InactiveCN107766312AQuick updateImprove update and maintenance processing efficiencyDatabase updatingData processing applicationsDashboardData efficiency
The invention discloses an updating method of dashboard data. The method includes: acquiring basic data returned by a data monitoring platform, and storing the same into a summary table; calling a data conversion function on the summary table, and generating target data by conversion according to the basic data; sending the target data to a to-be-updated dashboard; and loading the target data to corresponding positions on the dashboard to generate an updated dashboard. Correspondingly, the invention also discloses an updating system of the dashboard data. According to the updating method and system of the dashboard data of the invention, real-time fast updating of the dashboard data is realized through technical means of automatic collection, summarization and data processing, the problemof lower data collection and data processing efficiency in traditional manners is avoided, and an effect of greatly improving dashboard updating, maintenance and processing efficiency is achieved.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
Apple defect detection method and system based on convolutional neural network
PendingCN112001901AImprove accuracyEfficient removalImage analysisNeural architecturesImage resolutionImaging data
The invention provides an apple defect detection method and system based on a convolutional neural network, and belongs to the technical field of fruit defect detection, and the method comprises the following steps: obtaining image data of an apple; preprocessing the acquired image data; and inputting the preprocessed image data into a preset convolutional neural network model to obtain an apple defect detection result, wherein the preprocessing of the acquired image data comprises the following steps: removing an apple background by adopting a maximum between-cluster variance method, and adjusting the image resolution to be a preset pixel. The influence of pedicels and calyxes on defect detection accuracy is reduced, and efficient and accurate defect identification of apples can be realized.
Owner:UNIV OF JINAN +1
Method and system for determining infrared data sampling time
InactiveCN103309521AAvoid data collectionGuaranteed receiving sensitivityInput/output processes for data processingData acquisitionPeak value
The invention relates to the technical field of infrared positioning, in particular to a method and a system for determining the infrared data sampling time. The method comprises the following steps: calculating the ascending slope of an infra-red receiving pipe in receiving signals; calculating a virtual peak value of the infra-red receiving pipe in receiving signals according to the ascending slope and a practical peak value time of the infra-red receiving pipe in receiving signals; and comparing the virtual peak value of the infra-red receiving pipe in receiving signals with a pre-arranged saturation value of the infra-red receiving pipe in receiving signals, so as to determine the data sampling time of the infra-red receiving pipe. According to the invention, the situation that the data acquisition is performed at the supersaturation time of the infra-red receiving pipe in receiving signals can be effectively avoided, and also the situation that when the light emitted by the infra-red receiving pipe is shielded, the acquired receiving signals are still in a saturation value is avoided; and meanwhile, the receiving sensitivity of the infra-red receiving pipe not in a supersaturation state is ensured, and the positioning accuracy and the sensitivity of the infrared positioning device are improved.
Owner:GUANGDONG VTRON TECH CO LTD
Clock synchronization method and system based on HPLC communication network delay correction
ActiveCN113630157AClock synchronizationCurve data time deviation is smallElectric signal transmission systemsPower distribution line transmissionTime deviationAcquisition apparatus
The invention discloses a clock synchronization method and system based on HPLC (High Performance Liquid Chromatography) communication network delay correction. The method comprises the following steps: a CCO requests a clock from a concentrator; the CCO module accurately synchronizes a clock to the STA module; an STA module obtains local clocks from various base meters; and the STA makes a corresponding timing strategy according to the comparison between the clock of the STA and the clock of the base table. According to the acquisition system clock synchronization method and system based on the HPLC carrier communication network, the clock of the concentrator can be accurately synchronized to a branch box monitoring unit, a meter box monitoring unit, an electric energy meter and other levels of acquisition equipment, microsecond-level synchronization of all acquisition equipment clocks in a low-voltage transformer area is realized, and each level of acquisition equipment acquires and freezes power grid parameters according to the own clock, so that the time deviation of the curve data of each time point is far less than the time deviation of the curve data of an original acquisition system.
Owner:国网四川省电力公司营销服务中心
Distributed source load data scheduling system for electric heating comprehensive energy
ActiveCN113315172AMake up for the shortcomings of difficult collectionReduce construction difficultySingle network parallel feeding arrangementsResourcesDistributed sourceEdge node
The invention discloses a distributed source load data scheduling system for electric heating comprehensive energy, which belongs to the field of comprehensive energy system operation and comprises a scheduling master station and a plurality of scheduling areas. The scheduling master station is used for scheduling distributed source loads in a plurality of scheduling areas; each scheduling area comprises a main edge node, a plurality of edge nodes and a plurality of intelligent electronic devices installed at distributed source loads; the plurality of edge nodes are in communication connection with the main edge node, and the plurality of intelligent electronic devices are connected with the main edge node and the plurality of edge nodes; and according to the method, scheduling operation data acquisition can be carried out on the distributed source load in any scheduling area, so that distributed source load scheduling is implemented. The defect that the distributed source load data is difficult to collect in the existing scheduling is overcome. The main edge node is used as a node of the scheduling system, so that the distributed source load data can be collected and scheduled under the condition that the structure, the function and the scheduling mode of the existing scheduling system are not changed.
Owner:HUAZHONG UNIV OF SCI & TECH +1
Multi-channel digital quantity acquisition and processing anti-collision method and system of multiple sets of inertial navigation systems
ActiveCN111290305AImprove test efficiencyIncrease productivityProgramme controlComputer controlParallel computingData acquisition
The invention provides a multi-channel digital quantity acquisition and processing anti-collision method and system of multiple sets of inertial navigation systems. According to the method, a cache isset into three levels, a size of the cache is dynamically set according to a data receiving frequency and a data size, a write-in and read-out switch of the first-level cache is set, when the first-level cache is not available, the collected data is stored in the second-level cache, framing processing is performed on the data read out from the first-level cache, and assembled data frames are written into the third-level cache. According to the method, a problem of a conflict between data acquisition and processing tasks is solved through multi-level cache dynamic creation; and meanwhile, multiple groups of mutually independent caches are created, and different groups of caches adopt a parallel working mode so that a data processing speed is increased, the problem of the conflict between the data acquisition and processing tasks during multi-path digital quantity output of multiple sets of inertial navigation systems is avoided, and test and production efficiency of the inertial navigation systems is greatly improved.
Owner:航天科工惯性技术有限公司
Vehicle diagnostic data collecting apparatus, vehicle diagnostic data collecting method, vehicle diagnostic machine, and vehicle diagnosing method
ActiveUS9858733B2Reduce the number of stepsAvoid data collectionRegistering/indicating working of vehiclesDiagnostic dataData collecting
Owner:HONDA MOTOR CO LTD
Method for automated recording of patient actions
ActiveUS7881949B2Improve the level ofAvoid data collectionPhysical therapies and activitiesDrug and medicationsDrugClinical research
A method is for automated recording of patient actions, for example in the course of telemedical care, in the course of clinical studies for the merit of a form of therapy or for trialing the effectiveness of drugs. The medical equipment or devices used in this context are provided with recording devices for identifying the patient so that the data obtained during use of the equipment or accessories can automatically be attributed to the patient in question.
Owner:SIEMENS HEALTHCARE GMBH
Wireless passive bidirectional laser communication module
ActiveCN114221697AImprove stabilityImprove reliabilityRadio-over-fibreElectromagnetic transceiversCommunication unitErbium lasers
The invention belongs to the technical field of industrial communication, and discloses a wireless passive bidirectional laser communication module which comprises a first laser communication unit and a second laser communication unit which are used in a paired mode, the first laser communication unit comprises a first bottom plate, and a first detector is fixedly arranged in the center of the first bottom plate; two sides of the first detector are respectively and fixedly provided with a first laser; the second laser communication unit comprises a second bottom plate, a second detector is fixedly arranged in the center of the second bottom plate, and second lasers are fixedly arranged on the two sides of the second detector respectively; the first laser and the second laser are used for emitting laser signals carrying coded signals, and the detector and the second detector are used for receiving laser emitted by the second laser and the first laser respectively; according to the invention, not only can laser wireless two-way communication be realized, but also the stability of communication signals can be improved.
Owner:ZHONGBEI UNIV
High-speed wireless dynamic weighing sensor system
ActiveCN109341830AReduce the error factorReduce construction costsTransmission systemsSpecial purpose weighing apparatusLine sensorControl system
The invention discloses a high-speed wireless dynamic weighing sensor system. The system includes a weighing sensor, a power supply system, a Wheatstone bridge, an AD data collection card, a battery detector, a CPU, a temperature sensor, a control relay, a storage card and a power consumption control system. The power supply system is respectively and electrically connected with the Wheatstone bridge and the battery detector. The Wheatstone bridge is electrically connected with the AD data collection card. The weighing sensor is electrically connected with the AD data collection card. The battery detector is electrically connected with the CPU. The weighing sensor in the system of the invention has only one externally connected antenna, on-site installation and construction are enabled tobe more convenient, human error factors are reduced, construction costs are reduced, the weighing sensor system uses almost no wire joint on 32 sensors as compared with wired sensors, costs are greatly reduced, too much invalid data collection and transmission can be avoided through the power consumption control system, and system running efficiency is improved.
Owner:HANGZHOU QIANJIANG WEIGHING TECH
Motor protector data communication module
ActiveCN102968103BNo need to waste communication timeAvoid data collectionTotal factory controlProgramme total factory controlData acquisitionComputer module
Owner:NANJING CEC AUTOMATION
A Method for Abnormal Detection of Host Network Communication Behavior Based on Temporal Motifs
ActiveCN112257760BPreserve timingEnhanced Feature LearningCharacter and pattern recognitionNeural architecturesStatistical analysisNetwork communication
The invention discloses a timing motif-based abnormality detection method for host network communication behavior, and relates to the technical field of network detection. The network communication behavior anomaly detection method, by establishing a weighted directed graph model of the host network communication behavior, based on the timing motif mining algorithm on the graph model, the structure, attributes, and dynamic change information of the network communication behavior Introduced into the model to learn representation vectors capable of anomaly detection. The invention extracts the quantity distribution characteristics of the timing motif in the host network communication behavior graph model by modeling, analyzes the attribute change characteristics in the timing motif based on the unsupervised noise reduction autoencoder, constructs a similarity calculation formula, and realizes network communication behavior anomaly detection. Compared with statistical analysis methods that rely on expert experience and neural network training methods that require a large amount of labeled data, it can effectively improve the accuracy of detection and expand the scope of application of anomaly detection.
Owner:BEIHANG UNIV
Method for evaluating load identification effect under superimposed operation condition
ActiveCN111932406AAccurate identificationAvoid data collectionResourcesData acquisitionComputation process
The invention relates to a method for evaluating a load identification effect under a superimposed operation condition. The method comprises the following steps: 1, selecting load identification products; 2, setting a standard value of a load identification product; 3, carrying out electric appliance category interval division; 4, carrying out weighting coefficient calculation of the power consumption ratio of a single electric appliance; 5, carrying out power consumption accuracy calculation of the single electric appliance; 6, carryin gout overall accuracy calculation under the multi-electric-appliance superposition operation condition; and 7, judging whether the identification effect of the overall accuracy under the multi-electric-appliance superposition operation condition meets the requirements or not. The method adopts an error calculation principle and is simple and easy to understand; in the calculation process, through flexible coefficient allocation or index and weight deletion, accurate identification under the multi-electric-appliance superposition operation working condition is achieved; in the identification effect evaluation process, a large number of load event waveforms do not need to be adopted, numerous data acquisition is avoided, and the method is high in applicability and practicability in occasions with high timeliness such as network access detection and acceptance detection.
Owner:JIANGSU INTELEVER ENERGY TECH CO LTD
An evaluation method of load identification effect under superimposed operating conditions
ActiveCN111932406BAccurate identificationAvoid data collectionData processing applicationsElectrical measurementsData acquisitionComputation process
The invention relates to a method for evaluating a load identification effect under a superimposed operation condition. The method comprises the following steps: 1, selecting load identification products; 2, setting a standard value of a load identification product; 3, carrying out electric appliance category interval division; 4, carrying out weighting coefficient calculation of the power consumption ratio of a single electric appliance; 5, carrying out power consumption accuracy calculation of the single electric appliance; 6, carryin gout overall accuracy calculation under the multi-electric-appliance superposition operation condition; and 7, judging whether the identification effect of the overall accuracy under the multi-electric-appliance superposition operation condition meets the requirements or not. The method adopts an error calculation principle and is simple and easy to understand; in the calculation process, through flexible coefficient allocation or index and weight deletion, accurate identification under the multi-electric-appliance superposition operation working condition is achieved; in the identification effect evaluation process, a large number of load event waveforms do not need to be adopted, numerous data acquisition is avoided, and the method is high in applicability and practicability in occasions with high timeliness such as network access detection and acceptance detection.
Owner:JIANGSU INTELEVER ENERGY TECH CO LTD
A method and system for collecting traffic consumption data
ActiveCN104616066BAvoid data collectionSimple data collectionForecastingSpecial data processing applicationsOriginal dataWorld Wide Web
The invention discloses a method and system for collecting driving usage data, which includes: establishing a usage model based on the original data of the Internet of Vehicles sent by three types of information subjects: "people, vehicles and roads". The usage model includes different items of different information subjects. The corresponding driving usage association rules; based on the established usage model, the original data of the Internet of Vehicles sent by the three types of information subjects "people, vehicles and roads" are collected for correlation. Therefore, the method and system provided by the present invention centrally collect and analyze the data resources in the Internet of Vehicles, and optimize the utilization of the analyzed data resources.
Owner:CHINA MOBILE COMM GRP CO LTD
High Speed Wireless Dynamic Load Cell System
ActiveCN109341830BConvenient on-site installation and constructionEasy installation and constructionTransmission systemsSpecial purpose weighing apparatusLine sensorWireless
The invention discloses a high-speed wireless dynamic weighing sensor system, including a weighing sensor, a power supply system, a Wheatstone bridge, an AD data acquisition card, a battery detector, a CPU, a temperature sensor, a control relay, a memory card and a power consumption control system. The power supply system is electrically connected with the Wheatstone bridge and the battery detector respectively, and the Wheatstone bridge is electrically connected with the AD data acquisition card, the weighing sensor is electrically connected with the AD data acquisition card, and the battery detection The load cell is electrically connected to the CPU. The weighing sensor in the system of the present invention has only one external antenna, which makes the installation and construction on site more convenient, reduces human error factors, and reduces construction costs. Compared with wired sensors, on 32 sensors The wire joints used are almost 0, which greatly reduces the cost. Too much invalid data collection and transmission can be avoided through the power consumption control system, and the system operation efficiency can be improved.
Owner:HANGZHOU QIANJIANG WEIGHING TECH
Anti-collision method and system for multi-channel digital quantity acquisition and processing of multiple sets of inertial navigation systems
ActiveCN111290305BImprove test efficiencyIncrease productivityProgramme controlComputer controlComputer hardwareData acquisition
The present invention provides an anti-collision method and system for multi-channel digital quantity collection and processing of multiple sets of inertial navigation systems. The write-read switch of the first-level cache, when the first-level cache is unavailable, the collected data is stored in the second-level cache, and the data read from the first-level cache is framed, and the assembled The data frame is written to the third-level cache. The present invention overcomes the problem of data collection and processing task conflicts through the dynamic creation of multi-level caches, and at the same time creates multiple sets of caches that are independent of each other, and the caches of different groups adopt a parallel working mode to improve data processing speed and avoid multiple sets of inertial navigation systems. When the digital quantity is output, there is a conflict between data acquisition and processing tasks, which greatly improves the testing and production efficiency of the inertial navigation system.
Owner:航天科工惯性技术有限公司
Data collection carbon-free trolley capable of avoiding collisions
InactiveCN109318839AAvoid data collectionMitigate the impact of runningBumpersData acquisitionEngineering
The invention discloses a data collection carbon-free trolley capable of avoiding collisions. The data collection carbon-free trolley capable of avoiding the collisions comprises a trolley body, anti-collision frames and a nylon pull rope. Limiting supporting plates are mounted on the outer side of the trolley body, and supporting blocks are mounted above the limiting supporting plates. First sliding rails are mounted above the limiting supporting plates, and anti-collision disks are arranged above the first sliding rails. The anti-collision frames are mounted on the outer sides of rectangularsteel, the nylon pull rope is placed on the outer side of a fixed pulley, and a supporting column is mounted below the fixed pulley. A first sliding block is connected to the bottom end of the nylonpull rope in a binding mode, a second sliding rail is connected to one side of the first sliding block, a wheel is arranged on the outer side of the trolley body, and a transmission shaft is connectedto the wheel. The anti-collision disks and second sliding blocks are adopted in the data collection carbon-free trolley capable of avoiding the collisions, generated collision force is weakened through the anti-collision disks, and sliding is carried out by using the second sliding blocks at the bottoms of the anti-collision disks to weaken the impact of external force on the operation of the trolley body.
Owner:GUIZHOU UNIV
A method and device for determining an overcovered cell
ActiveCN105263146BAvoid data collectionSave human effortNetwork planningMaterial resourcesComputer science
The invention discloses an over-coverage cell determining method and device, relates to the field of communication technology, and can save a lot of human and material resources. The method comprises that a first distance, a first amount and the switching success frequency between a target cell and each adjacent cell are obtained; the dynamic coverage radius of the target cell is obtained according to the first distance, the first amount and the success frequency; a second distance and a second amount are obtained; an over-coverage proportion of the target cell is obtained according to the second distance, the dynamic coverage radius and the second amount; and when the over-coverage proportion is greater than or equivalent to a preset proportion, the target cell is determined to be an over-coverage cell. The method and system can be used to determine whether over coverage occurs in the cell.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Data acquisition management system and method applied to industrial site
PendingCN114296954AAvoid data collectionImprove reliabilityInterprogram communicationDatabase distribution/replicationData acquisitionData mining
The invention discloses a data acquisition management system and method applied to an industrial field, and the system comprises a plurality of first servers which are used for receiving production data obtained by corresponding factory gateway machines, and a plurality of regional platforms which are used for obtaining the production data from the corresponding first servers according to preset acquisition configuration information and storing the production data, updating metadata corresponding to each acquisition point position, and synchronously transmitting the metadata to a central platform; and the central platform is used for setting preset acquisition configuration information of all the regional platforms, and performing unified management and use on the production data of all the acquisition point locations according to the metadata. According to the system, production data can be inquired, managed and used in a unified manner, but not stored in a unified manner, the problem that overall data acquisition and management are affected due to a single-point fault is avoided, and the reliability of data acquisition and management is high.
Owner:JIANGSU JINHENG INFORMATION TECH CO LTD
Energy information acquisition system
InactiveCN109272734AEasy to uploadAgainst emergenciesTransmission systemsEnergy informationSmart device
The invention discloses an energy information acquisition system which comprises an acquisition module communicated with multiple intelligent devices of an energy station so as to acquire energy dataof each intelligent device according to an original communication protocol of each intelligent device, a protocol conversion module for converting the original communication protocols of energy data into target communication protocols, and a data forwarding module for uploading the energy data to a target network through the target communication protocols after the target communication protocols are obtained through conversion. The system can acquire multiple protocols of intelligent terminal monitoring data and converting the data into target protocols so as to conveniently upload the protocols to an external network, the shortcoming is overcome that internal information of the energy station is limited by a local area network, the emergency situations can also be coped, and energy data is protected.
Owner:ENN ENERGY SERVICE
A method for initial phase positioning of the mover of a maglev planar motor
InactiveCN104330631BAvoid data collectionHigh positioning accuracyVoltage-current phase angleMathematical modelData acquisition
The invention discloses a magnetic suspension planar motor rotor initial phase positioning method. The method includes the steps: placing four Hall sensors at different positions of a magnetic suspension planar motor rotor; selecting three measured values of the lowest magnetic flux density as observed values by measuring the magnetic flux density of the positions of the sensors when a motor is static; calculating the magnetic field phase of a geometric center of the magnetic suspension planar motor according to a specific mathematical model according to a magnetic flux density distribution model on a magnetic steel array; positioning the initial magnetic field phase and the rotating angle of the geometric center of the planar motor rotor. According to the method, data acquisition of the sensors at a magnetic field peak value is avoided by adding a redundant sensor and reasonably arranging the sensors, and positioning precision is improved.
Owner:HUAZHONG UNIV OF SCI & TECH
A Sewage Treatment Control Method Based on Reinforcement Learning
The invention provides a sewage treatment control method based on reinforcement learning, comprising the following steps: the invention trains the reinforcement learning model in a real scene in three stages, which can effectively avoid the collection of data required by the existing training reinforcement learning model , The process of establishing a virtual environment, so as to effectively reduce the cost required for enterprises to apply reinforcement learning for automatic control, and facilitate users to complete the process of switching from traditional control to reinforcement learning control.
Owner:NANNING UNIV
A method and system for determining the sampling time of infrared data
InactiveCN103309521BAvoid data collectionGuaranteed receiving sensitivityInput/output processes for data processingData acquisitionEngineering
Owner:GUANGDONG VTRON TECH CO LTD
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