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

43results about How to "Good decision support" patented technology

Method for bus origin-destination (OD) investigation by using mobile phone base station data and operating vehicle global position system (GPS) data

The invention provides a method for bus origin-destination (OD) investigation by using mobile phone base station data and operating vehicle global position system (GPS) data, comprising the following steps: 1) collecting mobile phone positioning data and bus GPS data; 2) transferring the mobile phone positioning data into travel information of users; 3) extracting characteristic values from the travel information of the users; 4) analyzing the extracted characteristic values to obtain basic travel characteristics; 5) matching bus travel information with the bus GPS data to obtain bus travel characteristics; and 6) carrying out statistical process on the obtained travel characteristics, and then outputting a population travel characteristic report form. The method is based on the mobile phone positioning data and the bus GPS data and then is used for performing a series of processes on the mobile phone positioning data and the bus GPS data, thereby automatically obtaining a high-quality, high-fineness and large time-span population travel characteristic reform form from a great amount of data, intelligently acquiring the population travel characteristics, reducing manpower and material resource consumption and improving the accuracy and effectiveness of the investigation.
Owner:广州通易科技有限公司

Complex line full parallel AT traction power supply system and method based on comprehensive energy

The invention discloses a complex line full parallel AT traction power supply system and method based on comprehensive energy. The system comprises a complex line full parallel AT traction power supply system and a comprehensive energy system; a photovoltaic array, a wind generating set and a fuel cell are connected in parallel to a direct current bus, electric-hydrogen storage is added to supplement power vacancy and peak load shaving, comprehensive energy is accessed into a traction power supply system through a reasonable mode, the power and the state of each microsource are detected in real time, the energy optimization management by taking the lowest total generation cost as a target is achieved based on a particle swarm optimization. The complex line full parallel AT traction powersupply system and method based on comprehensive energy can ensure the safety and stability of the system and the high reliability of power supply; the traction energy consumption structure is optimized, and the new energy consumption level is improved; and the method meets the development direction of national energy conservation and emission reduction, and reduces the power supply requirement ofthe electrified railway on the power system to a certain extent.
Owner:SOUTHWEST JIAOTONG UNIV +1

Meteorological calamity prediction method based on multivariate linear regression algorithm

ActiveCN104156775AOvercoming high sample data requirementsAdaptableForecastingEnvironment of AlbaniaMultivariable linear regression
The invention discloses a meteorological calamity prediction method based on a multivariate linear regression algorithm. The method comprises: first of all, according to historical data, determining major meteorological calamities of an area to be predicted in a specific period, and then respectively establishing a mapping relation equation between the various major meteorological calamities and meteorological factors; and finally, introducing meteorological factor parameter values in the mapping relation equation between the various major meteorological calamities and meteorological factors to obtain a value of probability that the corresponding meteorological calamities take place. According to the invention, the multivariate linear regression algorithm is applied to a meteorological calamity prediction technology, the mapping relation equation between the major meteorological calamities and meteorological factors is established, what is needed is only to collect the meteorological factor parameter values, and requirements for sample data are not high. The method provided by the invention can be applied to various environments, different mapping relation equation coefficients can be obtained according to different meteorological factor values of each place, and the adaptability is high; and the calculation process provided by the method of the invention is relatively simple and does not require repeated debugging, thus the application value is wide.
Owner:ELECTRIC POWER SCHEDULING CONTROL CENT OF GUIZHOU POWER GRID CO LTD +1

Source-load-storage scheduling method based on improved multi-objective particle swarm optimization algorithm

PendingCN110165665AImprove the defect that is easy to fall into local optimumImprove solution efficiencySingle network parallel feeding arrangementsResourcesEconomic benefitsClean energy
The invention discloses a source-load-storage scheduling method based on an improved multi-objective particle swarm optimization algorithm. The method comprises the steps of: S1, integrating a thermalpower plant, a clean energy power plant, a user load and an energy storage device into a source-load-storage scheduling system, and determining the scheduling optimization objective function and theconstraint condition of the source-load-storage scheduling system to achieve the minimum system operating cost and the highest clean energy consumption; S2, using the scheduling optimization objectivefunction as the fitness function of the improved multi-objective particle swarm optimization algorithm, and using the constraint condition as a particle variable constraint section of the algorithm;and S3, by using the improved multi-objective particle swarm optimization algorithm, obtaining a minimum value of the fitness function and a particle variable that takes the minimum value of the fitness function according to the fitness function and the particle variable constraint section. The method is easy to implement and flexible to use, can improve the solution efficiency of a power scheduling scheme, and can obtain a reasonable power scheduling scheme with good economic benefit.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Short-term scheduling rule extraction method based on variable structure deep learning framework

The invention discloses a short-term scheduling rule extraction method based on a variable structure deep learning framework. The method comprises the following steps: step 1, constructing a deep learning network; 2, selecting an input factor decision variable sample pair; 3, normalizing the sample data in the step 2; step 4, selecting and optimizing key hyper-parameters; step 5, and carrying outnetwork reconstruction; and step 6, network training, wherein the reconstructed network obtained in the step 5 is utilized to input the sample obtained in the step 3 for network learning, a final deeplearning network is obtained, and the network is the extracted short-term scheduling rule. Based on actual historical operation data of a power station, a deep learning network model based on a long-short-term memory network is constructed, internal rules contained in an actual operation process are mined, a power station short-term scheduling rule is established, and initial and end water levelsof a power station scheduling period, a period water incoming process and a power station power receiving network load process are used as input factors. The end water level of the power station period serves as a decision variable, and the model output result is more suitable for the actual scheduling process.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION +1

Virtual power plant optimal scheduling method based on contraction space harmony algorithm

The invention discloses a virtual power plant optimal scheduling method based on a contraction space harmony algorithm, which comprises the following steps: S1, constructing a virtual power plant aggregated by a photo-thermal power plant, a thermal power plant and a clean energy power plant, and determining a scheduling optimization objective function and constraint conditions of the virtual powerplant according to the net income maximization of the virtual power plant; S2, taking the scheduling optimization objective function as an evaluation function of a contraction space harmony algorithm, and taking the constraint condition as a harmony variable constraint interval of the contraction space harmony algorithm; and S3, according to the evaluation function and the harmony variable constraint interval, obtaining the maximum value of the evaluation function and the harmony variable enabling the evaluation function to take the maximum value by using a contraction space harmony algorithm. The method has the advantages of being simple in implementation method, flexible in application and the like, the solving efficiency of the power dispatching scheme can be effectively improved, andthe power dispatching scheme which is more reasonable and better in economic benefit can be obtained.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Fault analysis method and system for an electric power communication network

The invention provides a fault analysis method for an electric power communication network. The method comprises the following steps: S1, constructing an electric power communication network model anda topological graph and an electric power communication cabinet model graph corresponding to the electric power communication network model, selecting at least one resource object from the topological graph, and selecting at least one resource object from the electric power communication cabinet model graph to set a fault point; S2, setting an event for entity equipment corresponding to the electric power communication network model, and enabling the entity equipment with the set event to be in a normal working state or an abnormal working state; And S3, judging whether power supply equipmentexists in the set fault point or not, if yes, judging the fault states of all communication equipment powered by the power supply equipment according to a set fault judgment rule, and then judging the fault states of the communication equipment powered by other power supply equipment and the fault states of services borne by the communication equipment. The method covers a wide range of resourceobjects, and can help to give a correct and effective power communication network fault prediction result.
Owner:SHENZHEN POWER SUPPLY BUREAU

Reinforcement learning based tumor treatment auxiliary decision-making method

The invention provides a tumor treatment auxiliary decision-making method based on reinforcement learning, and the method comprises the steps: constructing and training a patient state transition model and a treatment decision-making model, wherein the patient state transition model carries out the modeling of the state change of a tumor patient through a recurrent neural network, using a diagnosis and treatment scheme and examination indexes obtained in actual diagnosis and treatment as data sources, and simulating the state change of the tumor patient under a certain diagnosis and treatment scheme. The treatment decision model carrying out modeling on the process of treating a tumor patient through reinforcement learning, the patient state transfer model is used as a data source, a deep Q network (DQN) is constructed to serve as a strategy network, an excitation function is constructed on the basis of RECIST solid tumor curative effect evaluation standards and TNM tumor imageological staging standards, and iterative training is carried out. According to the method, the workload of tumor specialists can be reduced to a certain extent, the treatment means predicted by the model can serve as decision reference to reduce decision errors of doctors, and the doctors are assisted to specify feasible treatment schemes.
Owner:FUDAN UNIV SHANGHAI CANCER CENT

Multi-scene multi-commodity chain convenience store site selection optimization method in competitive environment

The invention discloses a multi-scene multi-commodity chain convenience store site selection optimization method in a competitive environment, and the method comprises the following steps: determiningthe constraint of a chain convenience store site selection problem for the consideration of the travel cost of enterprise commodity distribution and vehicle dispatching; describing a store site selection process of the consumer by using a random utility theory, and determining influence factors and specific parameters influencing decision making of the consumer; establishing a multi-commodity chain convenience store site selection model under the constraint of the store number, and maximizing the store area popularity of a convenience store enterprise; considering the influence of the consumer characteristic difference on the convenience store site selection strategy, and establishing a multi-commodity chain convenience store site selection model based on user portrait subdivision in twotypical scenes; designing a linearization conversion method of a target function, and converting the nonlinear site selection model into a mixed integer programming model; searching basic parameters of a to-be-selected site, a competitive storefront position, consumer demands and other site selection problems; and performing calculating to obtain the optimal site selection point and the corresponding store area popularity in various scenes.
Owner:BEIJING UNIV OF CHEM TECH

Three-dimensional visual simulation method for power plant

The invention discloses a three-dimensional visual simulation method for a power plant. The method comprises the following steps: 1) constructing a three-dimensional model of the power plant: constructing the three-dimensional model of the power plant by using 3D mode manufacturing software; 2) carrying out dynamic control of the special action of the 3D object: achieving dynamic control of the special action of the 3D object by utilizing VB programming, and adding a data operation conversion interface between an existing process control system and a uniformly planned visual power plant information platform so as to realize compatibility of a digital power plant with a traditional process control system; and 3) perfecting coordination between actions of the 3D object: adding 3D models of affiliated environments such as pedestrians, bicycles, afforestation and buildings. The power plant three-dimensional visual simulation method provided by the invention has a powerful map background management function, and can facilitate maintenance of annotation information; a distance measurement function and comprehensive query are achieved to achieve rapid search query and rapid positioning; and the equipment information can be inquired in real time to realize real-time calculation and analysis of the comprehensive cost of the power plant.
Owner:DATANG YUNCHENG POWER GENERATION CO LTD

Construction risk prevention and control method and construction risk prevention and control system for shield tunneling machine

ActiveCN110359919AGood decision supportImprove risk prevention and control capabilitiesMining devicesResourcesRisk preventionDevice failure
The invention discloses a construction risk prevention and control method and a construction risk prevention and control system for a shield tunneling machine. The method comprises data acquisition and transmission, big date storage, processing and analyzing, risk recognition and early warning. The data mainly comprises machine data, fault data, guide data, ground settling data, duct piece gesturedata and engineering data. The big data storage and analysis and processing comprise a server and big data technology related software. The risk recognition and early warning comprise steps of engineering construction risk prevention and control, machine fault risk early warning, heading parameter early warning, quality risk prevention and control, construction period risk prevention and controland the like. The construction risk prevention and control method and the construction risk prevention and control system for the shield tunneling machine based on big data analysis can establish an informationized risk prevention and control system and avoid or reduce loss to a project due to risks such as equipment faults, staff operation errors and the like effectively, so that safe and efficient construction of the shield tunneling machine is guaranteed.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1
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