Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

33results about How to "Achieving Adaptive Optimization" patented technology

High-frequency CRM boost type PFC converter capable of adaptively optimizing THD (total harmonic distortion)

The invention provides a high-frequency CRM boost type PFC converter capable of adaptively optimizing the THD (total harmonic distortion) of input current and belongs to the AC-DC power conversion field. According to the high-frequency CRM boost type PFC converter, the THD (total harmonic distortion) of the input current is decreased based on a charge conduction time control mode; a digital table look-up mode is adopted to generate modulation wave signals, charge conduction time control is realized through a preset conduction time data table, and therefore, the problems of poor control precision and high cost of a digital real-time calculation mode of an analog control mode can be solved; all circuits except a modulation wave signal generating circuit, are realized by an analog mode, so that the defect that a digital controller is limited in MHz high-frequency signal response speed can be eliminated, and performance requirements for the digital controller can be lowered; preset limited data in the data table are transformed, so that the charge conduction time control can be adaptively adjusted with input voltage and output power with output power detection not required, and therefore, the THD (total harmonic distortion) of the input current can be adaptively optimized, and system cost can be significantly reduced.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Tobacco process quality control method, system and device and storage medium

The embodiment of the invention provides a tobacco process quality control method, system and device and a storage medium, and relates to the technical field of tobacco industry. The tobacco process quality control method is based on a cloud platform and comprises the following steps: acquiring tobacco process data in a production process; judging whether the tobacco process data is abnormal or not, and if the tobacco process data is abnormal, obtaining the tobacco process data again; if the tobacco process data is not abnormal, judging whether the tobacco process data meets the production process technical standard or not, and obtaining a judgment result; and according to the judgment result, calling a corresponding solution from a tobacco industry database. According to the method, through process quality defect control and process parameter self-adaptive deviation rectification, self-adaptive optimization on a process program is realized, the productivity and the production qualityare improved, and meanwhile, the labor cost and the time cost are reduced.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

Spark parameter adaptive optimization method and system

The invention discloses a Spark parameter adaptive optimization method and system, and the method comprises the steps: 1, building a prediction model of Spark task execution time, and training the prediction model through sample data; 2, sequentially decomposing a Spark application to be executed into a job, a stage and a task according to a Spark execution mechanism, allocating each task to eachcore of each Executor node, predicting the execution time of each task by utilizing a task execution time prediction model, simulating the task scheduling process of the Spark stage based on the taskexecution time, and calculating the execution time of the stage under different parameter combinations; and 3, determining a final optimized parameter combination according to the stage execution timepredicted under different parameter combinations. According to the parameter self-adaptive optimization method, the execution time required by each parameter combination in an actual test is avoidedin a prediction mode, so that the feasible parameter self-adaptive optimization method is realized.
Owner:武汉联图时空信息科技有限公司

Urban rail transit station simulation system and method based on dynamic driving

The invention provides an urban rail transit station simulation system and method based on dynamic driving. The system comprises a data access and verification module, a basic model and knowledge base module, a behavior modeling and adaptive optimization module, a dynamic driving simulation control module and a dynamic simulation decision optimization module. The data access and verification module is used for acquiring passenger flow arrival and departure, get-on and get-off data and station service personnel on-duty and distribution data required by modeling and simulation online and offline, and transmitting the data to the corresponding modules as required after cleaning and verification; the basic model and knowledge base module stores related historical data and empirical models according to business themes, and constructs corresponding resource knowledge bases and empirical data model bases; the behavior modeling and adaptive optimization module is used for establishing a behavior control model; the dynamic driving simulation control module is used for injecting data of the data access and verification module and adaptively correcting a simulation data model; the dynamic simulation decision optimization module is used for simulation deduction, analysis, prediction and evaluation, and provides quantitative index support for station operation management.
Owner:中铁信(北京)网络技术研究院有限公司 +2

Game optimizing method, game optimizing device and mobile terminal

The invention discloses a game optimizing method, a game optimizing device, a mobile terminal and a computer readable storage medium. The game optimizing method comprises the following steps: based onpreset first period time, periodically calculating the average image rendering frame rate of a graphics processing unit (GPU) of the mobile terminal within the preset time period; updating the current resource optimizing strategy based on the current average image rendering frame rate, wherein for the resource optimizing strategy, the resource parameter information of the mobile terminal is configured; and optimizing the resource of the mobile terminal according to the current resource optimizing strategy. Through the technical scheme, decoupling with a signal sent by a game manufacturer canbe realized, meanwhile, the resource optimizing strategy is dynamically updated based on the image rendering frame rate of the mobile terminal, so that the self-adaptive optimization of the game is realized, and the stability of a game and operation fluency of a user are promoted.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Control method of air-conditioner expansion valve, control device and air-conditioner

The invention discloses a control method of an air-conditioner expansion valve, a control device and an air-conditioner. The method comprises the steps of conducting operation of air conditioning refrigeration, and obtaining a current indoor environment temperature, a current return air deviation of degree of superheat, and a current deviation variation amount of the degree of superheat; executing the following valve adjusting procedures if the current return air deviation of degree of superheat and the current deviation variation amount of the degree of superheat satisfy the conditions of degree of superheat and satisfy the condition of the indoor environment temperature at the same time, wherein the procedures specifically comprise the step of magnifying the current return air deviation of degree of superheat to be larger than zero and using the current return air deviation of degree of superheat as an actual return air deviation of degree of superheat, obtaining an actual deviation variation amount of the degree of superheat according to the actual return air deviation of degree of superheat, and then adjusting the opening degree of the expansion valve according to the actual return air deviation of degree of superheat and the actual return air deviation variation amount of the degree of superheat. According to the control method of the air-conditioner expansion valve, the control device and the air-conditioner, the self-adaptability of the adjustment of the expansion valve along with the changing of the temperature is achieved, and the operating performance of the system when the valve is adjusted in a degree of superheat and the comfort of the temperature adjustment can be improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Remote-sensing image feature selection method based on early land thematic map

The invention discloses a remote-sensing image feature selection method based on an early land thematic map; the method comprises the steps of selecting a remote-sensing image partitioning algorithm and an image feature set of partitioning objects, and setting corresponding partitioning parameters and a feature extraction algorithm; segmenting the early land thematic map into a corresponding amount of layers according to plot classes, and extracting an influence strength map and a feature weight matrix to generate a feature weight distribution map; partitioning a remote-sensing image to be analyzed, and extracting image features of the partitioning objects; selecting an image classifier, modifying weight settings of classification features of the image classifier, and constructing a feature weighted classifier; setting feature weights for the objects in the partitioned maps, inputting image features and weights of the objects into the feature weighted classifier, and calculating land classes of the partitioning objects to generate a land thematic map. The method of the invention has the advantages that feature weights of local areas of a remote-sensing image can be adaptively optimized and adjusted, and remote-sensing image analysis precision can be improved.
Owner:HOHAI UNIV

Method for adaptive optimization of power supply decision-making of photovoltaic building power supply system

The invention discloses a method for adaptive optimization of power supply decision-making of a photovoltaic building power supply system. The method comprises the three steps including quantification of preventive and post-accident power supply control costs of the photovoltaic building power supply system, optimization model building and solution and simulated analysis on the optimization model. Based on the coordinated optimization theory, a mathematical model for adaptive optimization of power supply decision-making of the photovoltaic building power supply system, and based on the sensitivity of cost to parameter, the optimization algorithm of the optimization direction is guided to solve the model, so that the economical efficiencies of various power supply control schemes are quantified, and sensitivity analysis on the influence from the preventive and the post-accident controlled quantity to the power supply decision-making is carried out so as to provide decision-making reference to economical operation and reliable power supply of the photovoltaic building power supply system. Therefore, the method provided by the invention is a simple and efficient decision-making optimization method.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Air conditioning expansion valve control method and control device based on superheat degree

The invention discloses an air-conditioner expansion valve control method and device based on the superheat degree. The method includes the steps that air-conditioner refrigeration running is carried out, and the current indoor environment temperature, the current compressor exhaust gas temperature, the current air return superheat degree deviation and the current air return superheat degree deviation variable quantity are obtained; if the current air return superheat degree deviation and the current air return superheat degree deviation variable quantity meet the superheat degree conditions and the temperature conditions are met at the same time, the following valve regulating processes are executed; and the current air return superheat degree deviation is increased to be larger than zero to serve as an actual air return superheat degree deviation, the current air return superheat degree deviation variable quantity is increased to be larger than zero to serve as an actual air return superheat degree deviation variable quantity, and the opening degree of an expansion valve is adjusted according to the actual air return superheat degree deviation and the actual air return superheat degree deviation variable quantity. By means of the air-conditioner expansion valve control method and device, the adaptivity of the expansion valve adjustment along with temperature changes is achieved, the running performance of the system and the comfort of temperature adjustment during superheat degree valve regulation are improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Feature Selection Method of Remote Sensing Image Based on Previous Land Thematic Map

The invention discloses a remote sensing image feature selection method based on the previous land thematic map, comprising the following steps: selecting a remote sensing image segmentation algorithm and an image feature set of the segmentation object, and setting corresponding segmentation parameters and feature extraction algorithms; The plot category divides the previous land thematic map into a corresponding number of layers, and extracts the influence intensity map and feature weight matrix to generate a feature weight distribution map; segment the remote sensing image to be analyzed, and extract the image features of the segmented object; select a An image classifier, and improve the weight setting of its classification features, construct a feature weighted classifier; set feature weights for the objects in the segmentation map according to the feature weight distribution map, and input its image features and weights into the feature weighted classifier , calculate the land category of the segmented object, and generate the land thematic map. The invention can realize the self-adaptive optimization and adjustment of the feature weight of the local region of the remote sensing image, and can improve the analysis precision of the remote sensing image.
Owner:HOHAI UNIV

Multi-dimensional dynamic interleaving device for multi-antenna scatter communication

The invention discloses a multi-dimensional dynamic interleaving device for multi-antenna scatter communication, and belongs to the technical field of wireless communication and scatter communication.Adaptive coded modulation, interleaving, spatial mapping, frequency conversion and amplification are carried out at a sending end, and conversion from a baseband channel to an analog signal is realized; after the signals are converted into baseband signals through frequency mixing, amplification and channel equalization at a receiving end, a proportional relation and a distribution relation of channel quality and signal-to-noise ratio of each channel are obtained by utilizing a multi-dimensional channel state feedback device; an interleaving / de-interleaving matrix is obtained by utilizing a dynamic interleaving rule planner, and finally optimization of interleaving and de-interleaving rules is realized, so that the bit error rate can be improved by two orders of magnitudes, and a good transmission effect is realized. The multi-dimensional dynamic interleaving device can be used for high-speed information transmission under a beyond visual range fading channel, and is particularly suitable for a multi-input multi-output multi-antenna scattering communication system.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

An intelligent control system of switched reluctance motor based on wifi

The present invention is a WIFI-based switched reluctance motor intelligent control system. The system includes a server, a WIFI communication module, a mobile terminal, a plurality of underlying intelligent switched reluctance motor controllers, and a plurality of switched reluctance motors. Each underlying intelligent The switched reluctance motor controller is connected to a switched reluctance motor on the production line, including a monitoring module, a driving module, a control module, and a WIFI module; the mobile terminal can access and modify various functions in the server, and can receive fault warning information . Multiple switched reluctance motors feed back the operating parameters of switched reluctance motors in real time during normal operation, and periodically send the data to the server; the server optimizes the control parameters of switched reluctance motors using a large amount of received data combined with reinforcement learning algorithms. Record, and optimize and update the control parameters of the control module when the collected switched reluctance motor parameters deviate from the normal value and reach the safety threshold, so as to better control the operation of the switched reluctance motor.
Owner:HEBEI UNIV OF TECH

Double-factor adaptive judgment system and method of telecontrol uplink communication enabling time

The present invention discloses a double-factor adaptive judgment system of telecontrol uplink communication enabling time. The system includes a data object model defining module, a database real-time maintenance module and an uplink channel protocol module; the data object model defining module is used for adding a database construction preparation attribute in the initialization of a data object model; the database real-time maintenance module is responsible for maintaining the database construction preparation attribute of the data object; and the uplink channel protocol module is used for scanning the database construction preparation attributes of all related data objects at a current channel, performing overtime calculation according to the uplink communication enabling time threshold value of the channel, and deciding whether to enable uplink communication. With the system adopted, problems such as low efficiency, low adaptability and requirements for extra configuration work of a telecontrol uplink communication device can be solved. The invention also discloses a double-factor adaptive judgment method of telecontrol uplink communication enabling time.
Owner:NR ELECTRIC CO LTD +1

Air conditioner expansion valve control method, control device and air conditioner

The invention discloses a control method of an air-conditioner expansion valve, a control device and an air-conditioner. The method comprises the steps of conducting operation of air conditioning refrigeration, and obtaining a current indoor environment temperature, a current return air deviation of degree of superheat, and a current deviation variation amount of the degree of superheat; executing the following valve adjusting procedures if the current return air deviation of degree of superheat and the current deviation variation amount of the degree of superheat satisfy the conditions of degree of superheat and satisfy the condition of the indoor environment temperature at the same time, wherein the procedures specifically comprise the step of magnifying the current return air deviation of degree of superheat to be larger than zero and using the current return air deviation of degree of superheat as an actual return air deviation of degree of superheat, obtaining an actual deviation variation amount of the degree of superheat according to the actual return air deviation of degree of superheat, and then adjusting the opening degree of the expansion valve according to the actual return air deviation of degree of superheat and the actual return air deviation variation amount of the degree of superheat. According to the control method of the air-conditioner expansion valve, the control device and the air-conditioner, the self-adaptability of the adjustment of the expansion valve along with the changing of the temperature is achieved, and the operating performance of the system when the valve is adjusted in a degree of superheat and the comfort of the temperature adjustment can be improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Public space thermal environment air conditioner control device and method

The invention discloses a public space thermal environment air conditioner control device and method. The device comprises a plurality of clients which form an intelligent group, wherein the clients are used for collecting thermal comfort feedback information of a user and sending the thermal comfort feedback information to the server; a temperature and humidity monitoring module which is used for collecting current temperature and humidity information of indoor and outdoor environments of the public space and sending the current temperature and humidity information to the server side; the server which is used for performing decision processing on the received thermal comfort feedback information of the user and the current temperature and humidity information of the internal and external environments of the public space, generating an infrared control instruction and sending the infrared control instruction to the infrared control module; and an infrared control module which is used for converting the received infrared control instruction into an infrared control signal and sending the infrared control signal to the air conditioning system so as to control and adjust the air conditioning system. According to the invention, the clients are adopted to form an intelligent group, so that self-adaptive optimization, energy conservation and efficiency improvement of group thermal comfort are realized, and thermal requirements of residents in a single or multiple occupied spaces are met.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Structural damage identification method and system based on deep extreme learning machine

The invention discloses a structural damage identification method and system based on a deep extreme learning machine, and the method combines an advanced signal processing technology, the deep extreme learning machine and a particle swarm optimization algorithm, and builds a structural damage identification method which can achieve the self-adaptive hyper-parameter optimization, is high in anti-noise performance and is high in damage identification robustness. Advanced signal processing technology Hilbert-Huang transform is adopted to reduce the influence of measurement noise on vibration signals, and the noise immunity of a damage identification algorithm is improved. And a particle swarm optimization algorithm is adopted to optimize hyper-parameters based on a deep extreme learning machine, so that the accuracy of structural damage identification is improved. And finally, the performance of the damage identification algorithm is tested by using ten-fold cross experiment verification, so that the robustness of the damage identification algorithm is ensured. Meanwhile, the structure damage data monitored on line is continuously used for updating the structure damage identification data set, so that the damage identification precision is continuously improved.
Owner:梁辰
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products