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36results about How to "Efficient decision-making" patented technology

Multi-unmanned aerial vehicle task decision-making method based on MADDPG

ActiveCN111880563AEfficient task decision-makingMission fulfillmentPosition/course control in three dimensionsDecision modelSimulation
The invention discloses a multi-unmanned aerial vehicle task decision method based on MADDPG, which introduces an MADDPG algorithm into multi-unmanned aerial vehicle task allocation, and comprises thesteps of firstly establishing a two-dimensional combat environment model required by deep reinforcement learning according to the actual combat environment of multiple unmanned aerial vehicles, secondly establishing mathematical description of various threats such as air defense missiles in the combat environment of the multiple unmanned aerial vehicles, and finally, taking the tracks and distances of the multiple unmanned aerial vehicles and the defense threats of the battlefield as constraint conditions, and performing learning training to obtain a multi-unmanned aerial vehicle task decision model. According to the method, an experience pool and a double-network structure are adopted, so that the operation and convergence speed of the whole network is greatly improved, a result can be obtained more quickly in the high-speed flight process of the unmanned aerial vehicles, the purpose of autonomous decision making of the multiple unmanned aerial vehicles can be achieved, and the highefficiency of task decision making of the unmanned aerial vehicles can also be guaranteed in an unknown combat environment.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Preventative device maintenance method based on dynamic reliability

ActiveCN104268678ADecision scienceScientific and effective maintenance measuresResourcesAnalysis dataMaintenance planning
The invention discloses a preventative device maintenance method based on dynamic reliability and belongs to the technical field of petrochemical equipment management. The preventative device maintenance method based on the dynamic reliability comprises the following steps of 1 establishing a device basic database including equipment accounts, historical maintenance and repair data, a fault strength analysis data, operation monitoring data and the like; 2 utilizing basic data to conduct operation time analysis, fault strength analysis and alarm state and operation trend analysis on devices; 3 utilizing results to establish a device reliability level and fault strength incidence matrix, formulate DRBPM data analysis logic, automatically screen preventative maintenance devices and generate preventative maintenance planning reports of the devices; 4 examining, verifying and executing the preventative maintenance planning reports of the devices. The preventative device maintenance method based on the dynamic reliability can be used for dynamic analysis and management of states of petrochemical equipment, facilitate formulation of scientific and effective device maintenance measures and provide guarantee for timely device fault elimination and production continuity reliability and can be widely applied to the technical field of petrochemical equipment management.
Owner:中国石油化工股份有限公司武汉分公司 +1

Answer aggregation method and system facing crowdsourcing scene question-answering system

The invention discloses an answer aggregation method and system facing crowdsourcing scene question-answering system. The method comprises the steps of obtaining multiple reply texts with respect to a specified question, wherein each reply text comprises a pro vote and a con vote of other users; conducting text analysis of a theme and key words on each reply text, and further creating a vector set; clustering all vector sets, combining all similar replies into a sort, and calculating the pro votes and the con votes of each sort of similar replies; supplying a questioner with the replies with a preset number of replies in the each sort of similar replies and a calculation result corresponding to the pro votes and the con votes. The answer aggregation method and system facing crowdsourcing scene question-answering system has the advantages that by supplying the questioner with sorts of the answers and the calculation result of the pro votes and the con votes corresponding to the sorts of the answers, redundant time for the questioner to read a lot of answers with similar meanings is saved, a more general level of support of public opinion is presented for the questioner, and the users can be helped to make own judgment and determination more efficiently.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Smart park management system and method based on three-dimensional scene

The invention relates to a smart park management system and method based on a three-dimensional scene. The system comprises a data storage module and a data management module which are mutually connected, and a three-dimensional scene data acquisition module and an Internet of things service data acquisition module which are connected with the data storage module, wherein the three-dimensional scene data acquisition module is used for acquiring the three-dimensional scene data of the park, the Internet of things service data acquisition module is used for acquiring the Internet of things service data of the park, the data storage module is used for storing the three-dimensional scene data and the Internet of things service data, and the data management module is used for processing and displaying the three-dimensional scene data and the Internet of things service data, representing park scene pictures through taking the three-dimensional scene as a carrier and monitoring and managing the park. The system is advantaged in that the three-dimensional scene is taken as the carrier, various service data are fused in the three-dimensional space in multiple levels, each service and the park status of each park are represented in a more stereo mode, and management personnel is facilitated to carry out multi-level efficient monitoring, analysis and operation of the smart park.
Owner:WUHAN HUAAN SCI & TECH

Bottleneck upstream lane level traffic state prediction system and implementation method

The invention provides a bottleneck upstream lane level traffic state prediction system and an implementation method. The prediction system comprises an information acquisition module, a processing module, a release module and a transmission module; the speed and passing time of each vehicle are obtained via the information acquisition module, then the initial time-space distribution state and traffic of bottleneck upstream traffic flow are obtained, and the time-space distribution state of the traffic flow in different lanes at any moment is predicted in the information processing module based on a driver risk threshold in combination with a confluence model at the bottleneck and a lane selection model at the upstream of the bottleneck. The confluence model and the lane selection model involve in the influence of different advantages of different lanes at the upstream of the bottleneck at a confluence point, and the precision of bottleneck upstream traffic state prediction can be improved to the lane level, so that the accuracy of traffic state prediction can be greatly improved, theoretical and technical supports are provided for dynamic control of traffic managers, intelligent induction, efficient management and quick decision, and more accurate travel information is provided for road users.
Owner:TONGJI UNIV

Medical image sample screening method and device, computer equipment and storage medium

The invention relates to a medical image sample screening method and device, computer equipment and a storage medium, for carrying out intelligent screening on unlabeled medical image samples. The medical image sample screening method includes the steps: carrying out model training on a labeled sample set by utilizing a Mask-RCNN model so as to obtain a focus target detection depth model; predicting the unlabeled medical image sample set according to the focus target detection depth model to obtain a prediction result of each medical image sample and judge a labeling value; and selecting a medical image sample with high annotation value to perform annotation confirmation, performing iterative updating on the focus target detection depth model, and ending the iterative updating until the performance of the focus target detection depth model cannot continue to annotate a new sample. According to the medical image sample screening method, under the condition of limited computing resourcesor annotation cost, the high-value small data set is actively mined and extracted, and efficient diagnosis and decision making are achieved by simulating a medical expert intelligent learning mode, and the intelligent degree is high, and the processing speed is high, and the problem that the annotation efficiency is low is effectively solved.
Owner:PING AN TECH (SHENZHEN) CO LTD

Intersection traffic signal lamp regulation and control method with position sensing function

The invention discloses an intersection traffic signal lamp regulation and control method with a position sensing function. The method comprises the steps of: 1, carrying out mathematical modeling ona traffic signal control problem through employing a reinforcement learning network model, specifically, the modeling a traffic network into a graph mode , and defining a state space, an action spaceand an award according to traffic signal control problems; 2, preprocessing the original observation value oi of an intelligent agent; step 3, acquiring edge features with position perception among intelligent agents; step 4, realizing a Pos-Light message transmission model between the intelligent agents; step 5, realizing an intersection traffic signal lamp regulation and control decision of a Qnetwork; and step 6, carrying out regulation and control target training based on the Q network. Compared with the prior art, the method is more efficient in intelligent agent decision, has higher convergence speed, and can finally obtain a strategy which effectively relieves the traffic jam; and (2) the method is superior to a method for solving the traffic signal lamp control problem by using agraph neural network at present, has higher convergence speed and can obtain more stable results.
Owner:TIANJIN UNIV

User exploration type information exhibiting method based on visualization technology

The invention discloses a user exploration type information exhibiting method based on a visualization technology. The user exploration type information exhibiting method comprises the following steps: 1, preprocessing collected data backstage and then visually displaying the processed data on a map interface, wherein the collected data comprises GIS (Geographic Information System) data and statistical data, and the statistical data comprises different dimensions of information related to the GIS data; 2, establishing a color lump view by a plurality of display areas according to the statistical data, and representing the different dimensions of information of the statistical data by using color and transparency of a color lump; 3, providing selection of an area-of-interest area for a user. The user exploration type information exhibiting method can be used for presenting various statistical data more intuitively and conveniently, and provides convenience for the user to observe the relationship among various areas and the comparison condition; in addition, prior domain knowledge of the user can be added to a whole model in the inquiry process, so that the knowledge of the user and machine intelligence are combined, the advantages are exerted, and the information exhibiting method is helpful for the user to make a decision more efficiently.
Owner:TIANJIN UNIV

Multi-dimensional comprehensive display visual data display platform

PendingCN114741442ARealize multi-dimensional comprehensive displayQuick understandingData processing applicationsVisual data miningData displayData information
The invention discloses a multi-dimensional comprehensive display visual data display platform, which comprises an electric power data multi-dimensional expression module, and is characterized in that the electric power data multi-dimensional expression module is used for providing a plurality of electric power data expression methods; the power data multi-dimensional expression optimization module is used for optimizing a power data expression method by utilizing an algorithm; the power data multi-dimensional expression feature extraction module is used for extracting visual features of the optimized power data; and the power data multi-dimensional expression feature fusion module is used for fusing the visual features and the traditional features. According to the method, multi-dimensional comprehensive display of the electric power data is realized, high-dimensional data visual representation can be seen from a multi-dimensional comprehensive display result, electric power workers can quickly understand data information and capture hidden features, categories, relations, trends and the like in the data, more efficient decisions are generated, and the method is applied to actual production and life.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD

A preventive maintenance method for petrochemical equipment based on dynamic reliability

ActiveCN104268678BDecision scienceScientific and effective maintenance measuresResourcesAlarm stateAnalysis data
The invention discloses a preventative device maintenance method based on dynamic reliability and belongs to the technical field of petrochemical equipment management. The preventative device maintenance method based on the dynamic reliability comprises the following steps of 1 establishing a device basic database including equipment accounts, historical maintenance and repair data, a fault strength analysis data, operation monitoring data and the like; 2 utilizing basic data to conduct operation time analysis, fault strength analysis and alarm state and operation trend analysis on devices; 3 utilizing results to establish a device reliability level and fault strength incidence matrix, formulate DRBPM data analysis logic, automatically screen preventative maintenance devices and generate preventative maintenance planning reports of the devices; 4 examining, verifying and executing the preventative maintenance planning reports of the devices. The preventative device maintenance method based on the dynamic reliability can be used for dynamic analysis and management of states of petrochemical equipment, facilitate formulation of scientific and effective device maintenance measures and provide guarantee for timely device fault elimination and production continuity reliability and can be widely applied to the technical field of petrochemical equipment management.
Owner:中国石油化工股份有限公司武汉分公司 +1

Lane-level Traffic State Prediction System and Implementation Method for Bottleneck Upstream

The invention provides a bottleneck upstream lane level traffic state prediction system and an implementation method. The prediction system comprises an information acquisition module, a processing module, a release module and a transmission module; the speed and passing time of each vehicle are obtained via the information acquisition module, then the initial time-space distribution state and traffic of bottleneck upstream traffic flow are obtained, and the time-space distribution state of the traffic flow in different lanes at any moment is predicted in the information processing module based on a driver risk threshold in combination with a confluence model at the bottleneck and a lane selection model at the upstream of the bottleneck. The confluence model and the lane selection model involve in the influence of different advantages of different lanes at the upstream of the bottleneck at a confluence point, and the precision of bottleneck upstream traffic state prediction can be improved to the lane level, so that the accuracy of traffic state prediction can be greatly improved, theoretical and technical supports are provided for dynamic control of traffic managers, intelligent induction, efficient management and quick decision, and more accurate travel information is provided for road users.
Owner:TONGJI UNIV

Panoramic electric energy quality monitoring system with real-time monitoring function

PendingCN113949155APromoting digital transformation and upgradingGroundbreakingCircuit arrangementsTechnology managementPower qualityQuality of service
The invention discloses a panoramic electric energy quality monitoring system with a real-time monitoring function. The system comprises a monitoring system, a database server, an application server and a human-computer interface interaction workstation, wherein the monitoring system comprises an electric energy acquisition module, an electric energy quality storage module, a voltage monitoring module, an electric energy abnormity alarm module, a power supply service command module, a low voltage application module, a three-phase imbalance management module, a power distribution network time household budget type management module, a power distribution network on-load capacity regulation and voltage regulation suitability calculation module, a comprehensive maintenance evaluation application module, a work order application module and a geographic information positioning module. The invention belongs to the technical field of electric energy quality monitoring, and particularly provides a system for integrating marketing allocation system data, utilizing the concept of the electric electric energy internet of things and the big data technology and researching and developing a panoramic and visual interaction system, so that the service quality is integrally improved, the satisfaction degree of users is enhanced, the effect of precise treatment can be achieved, and the operation and maintenance efficiency is also remarkably improved.
Owner:国网陕西省电力公司安康供电公司

Method and system for dynamically adjusting frequency of chain accounting block

The invention discloses a method and system for dynamically adjusting the frequency of a chain accounting block, and the method comprises the steps that a committee for dynamically adjusting the frequency of the block is selected to continuously collect and mine block information, and a continuously updated block information historical data set is formed; based on the historical data set, the committee predicts the increase and decrease trend of the transaction number; according to the transaction number prediction result, the committee determines the demand and amplitude of block frequency adjustment in advance; the committee broadcasts and publishes a frequency standard of a subsequent block, and a block frequency adjustment consensus is achieved in a whole chain range; the whole chain generates and accepts the block with the new frequency according to the new block frequency standard; and the committee evaluates the block frequency dynamic adjustment strategy and carries out necessary correction. According to the method, the frequency of the chain accounting block can be dynamically adjusted, the method has the advantages of being dynamic, flexible, efficient, good in expansion and the like, and the method has great significance in building a block flexible expansion accounting technology and solving the problem of cloud transaction payment accounting.
Owner:NAT UNIV OF DEFENSE TECH

Measurement data safety protection method

The invention belongs to the field of information safety, and particularly relates to a measurement data safety protection method, which comprises the following steps of: 1, user authentication: when a user accesses a data resource for the first time, firstly applying a safety certificate from a safety certificate authority so as to prove the identity of the user when the user accesses the data resource, safety assurance is carried out on malicious access which does not obtain the safety certificate by adopting a mode of denying to access data resources; and step 2: domain positioning: when a user passing identity authentication accesses data resources, an access request Req (SAVt, RAVm, EAVn, AAVk) is forwarded to a domain positioning server, the domain positioning server analyzes a subject attribute and a resource attribute, the subject attribute and the resource attribute respectively correspond to the SAVt and the RAVt, and whether local access or cross-domain access is determined according to an analysis result. According to the method, an attribute-based access control model is adopted, the problems of user authentication, domain positioning, access decision and module association are solved, the data safety in a big data environment can be effectively protected, and quick decision and efficient access can be realized.
Owner:HUNAN INST OF METROLOGY & TEST
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