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186 results about "Economic evaluation" patented technology

Economic evaluation is the process of systematic identification, measurement and valuation of the inputs and outcomes of two alternative activities, and the subsequent comparative analysis of these. The purpose of economic evaluation is to identify the best course of action, based on the evidence available. It is most commonly employed in the context of health economics and health technology assessment; in the UK, the National Institute for Health and Care Excellence publishes guidelines for the conduct of economic evaluations.

Deep reservoir physical property prediction and oil and gas resource evaluation system based on artificial intelligence

The invention provides a deep reservoir physical property prediction and oil and gas resource evaluation system based on artificial intelligence. And the problems of physical property prediction and resource evaluation of low-porosity and low-permeability reservoirs in oil-gas exploration are solved. The system fuses earthquake, well drilling and well logging data, and generates a high-quality reservoir database through data cleaning, normalization and interpolation processing. A deep learning model is constructed by adopting a convolutional neural network and a long-short-term memory network, a nonlinear relationship between reservoir physical properties and multi-source data is automatically captured, and high-precision prediction is realized. The system is integrated with a real-time economic evaluation module, and an economic evaluation result is dynamically adjusted through a gradient enhanced tree model in combination with real-time market data. In addition, an automatic feedback mechanism is introduced into the system, and a region with a large error is re-sampled and the model is updated. According to the scheme, the reservoir prediction precision and exploration efficiency are remarkably improved, dynamic economic analysis is supported, and reliable technical guarantee is provided for exploration and development decisions of deep oil and gas resources.
Owner:SHANGHAI BRANCH CHINA OILFIELD SERVICES

Vehicle body design method and system, electronic equipment and storage medium

The invention provides a vehicle body design method and system, electronic equipment and a storage medium. The method comprises the following steps: searching a design scheme set by utilizing a multi-objective optimization model building module; comparing material performance data by using an intelligent material database; simulating and adjusting a vehicle body structure by using a structure optimization design module; adjusting and optimizing the target weight by using a real-time feedback and interactive design platform; and evaluating the life cycle cost and environmental influence of different design schemes by using an environment and economy evaluation module. According to the embodiment of the invention, by integrating an optimization algorithm, intelligent material selection, a high-precision simulation technology and a comprehensive evaluation system, the problems of low efficiency, limited material compatibility and incomplete evaluation existing in a traditional multi-material mixed structure optimization method are solved in a targeted manner; the method aims at promoting the automobile light weight technology to advance to higher-level intelligentization, high efficiency and sustainability.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD

Land sedimentary basin deep saline water layer gas storage site selection method

The invention discloses a land sedimentary basin deep saline water layer gas storage site selection method, which comprises the following steps of: preliminarily delineating a plurality of first candidate areas through judgment of basic geological conditions and hydrogeological conditions; further delineating a second candidate area through reservoir parameter quantitative evaluation, cover layer integrity evaluation, reservoir fracture connectivity evaluation and injection-production process pressure field change dynamic simulation; performing security assessment on the second candidate region; performing economic evaluation on the second candidate region; constructing an index system based on technical, safety and economic indexes, setting the weight of each index, and performing suitability scoring on each second candidate region; selecting the second candidate area with the suitability score meeting the requirement as a gas storage construction preselection point; and the built gas storage in the area adjacent to the gas storage building pre-selection point or the gas storage building pre-selection point verified to be qualified is selected as the gas storage to be put into use. The method can select a suitable site for large-scale safe natural gas storage, and is rapid and efficient to implement and suitable for popularization.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

Economic evaluation method and system for in-situ conversion of medium-low mature shale

The invention relates to an economic evaluation method and system for in-situ conversion of medium and low-cooked shale, and belongs to the technical field of shale oil development. Comprising the following steps: 1) establishing a medium-low mature shale in-situ conversion geological model; 2) constructing a three-dimensional heat conduction equation, setting a definite solution condition, and solving the three-dimensional heat conduction equation in combination with the thermophysical parameters to obtain a temperature field on each time-space node in the medium-low mature shale in-situ conversion geological model; the method comprises the steps of (1) obtaining a dynamic hydrocarbon generation process, (2) obtaining a hydrocarbon generation kinetic parameter, (3) obtaining a total energy output, (5) obtaining a total energy input in a heating process, and (6) calculating an energy consumption ratio (ER), and carrying out economic feasibility evaluation of a shale in-situ conversion technology. The method can calculate a dynamic hydrocarbon generation process at any time and position in a shale bed in real time, and obviously improves the prediction precision of the hydrocarbon generation amount.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Office building energy-saving reconstruction method based on neural network optimization

The invention discloses an office building energy-saving reconstruction method based on neural network optimization, and belongs to the field of office building energy conservation, and the method comprises the steps: carrying out the energy audit of a target building, and obtaining the field investigation data; calculating the field research data based on DeST software, and constructing a building energy consumption model; based on the building energy consumption model, performing energy consumption simulation on various external enclosure structure energy-saving reconstruction scheme combinations to obtain energy consumption data under different enclosure structure combinations; constructing an ANN neural network model, and inputting the historical data set into the ANN neural network model to obtain a prediction model; inputting the energy consumption data under different enclosure structure combinations into the prediction model to obtain an optimal energy-saving scheme; and performing technical economic analysis and environmental economic evaluation on the optimal energy-saving scheme, and generating an energy-saving transformation report.
Owner:HUNAN INSTITUTE OF ENGINEERING

Land value evaluation method and system based on multi-source heterogeneous data fusion

PendingCN121503921AClimate change adaptationResourcesLand marketHeat map
The invention discloses a land value evaluation method and system based on multi-source heterogeneous data fusion, and relates to the technical field of land economic evaluation. The invention discloses a land value evaluation method and system based on multi-source heterogeneous data fusion. The method comprises four steps of multi-source data acquisition and preprocessing, standardized evaluation index quantification, index weighted fusion and value calculation, and value distribution diagram generation and output. Firstly, four types of data of background status, planning, market feedback and social perception are acquired and preprocessed; secondly, constructing a hierarchical index system to quantify indexes; determining a weight through an analytic hierarchy process and calculating a land value index according to a preset formula; and finally generating a value distribution diagram in a thermodynamic diagram form. The method realizes standardization, high efficiency and visualization of land value evaluation, can be applied to the fields of city updating, land market monitoring, government planning decision making and the like, and provides scientific support for related decision making.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Dynamic evaluation method and system for life extension of wind turbine generator based on multi-source data fusion

The invention discloses a wind turbine generator life extension dynamic evaluation method and system based on multi-source data fusion, and belongs to the technical field of new energy. According to the method, multi-modal detection is carried out on key parts such as blades, a gearbox, a generator and a tower by collecting multi-source data such as basic parameters, historical operation data, environmental data and design files of a wind turbine generator, and residual life evaluation is carried out based on material performance, operation data and numerical simulation. And performing economic evaluation by combining cost-benefit analysis and investment payback period analysis, and finally comprehensively giving a life extension dynamic evaluation conclusion. The method solves the problems of data island, insufficient dynamic prediction capability, lack of economic analysis, low detection efficiency and the like in a traditional evaluation method, provides a scientific and comprehensive basis for the decision-making of the life extension of the wind turbine generator, and has remarkable economic benefits and engineering application values.
Owner:XIAN THERMAL POWER RES INST CO LTD

Power transmission and transformation project economic evaluation method, system and equipment fusing adaptive fuzzy entropy weighting and multi-target grey wolf optimization algorithm, and medium

The invention discloses a power transmission and transformation project economic evaluation method, system, equipment and medium fusing adaptive fuzzy entropy weighting and a multi-target grey wolf optimization algorithm, and belongs to the technical field of power system economic analysis, and the method comprises the steps: constructing an economic index system, building a fuzzy membership matrix, and calculating an index weight through combining fuzzy entropy and information entropy; a comprehensive weight is generated by adopting a self-adaptive fusion mechanism, then a multi-target weighted evaluation model is constructed, and finally multi-target search is performed by utilizing a swarm intelligence optimization algorithm. According to the invention, by constructing a self-adaptive weighting mechanism fusing the fuzzy entropy and the information entropy and combining the global search capability of the multi-target grey wolf optimization algorithm, multi-index weight dynamic optimization and multi-target cooperative solution in the economic evaluation of the power transmission and transformation project are realized; the method effectively overcomes the limitation of a traditional method in the aspects of weight distribution subjectivity, insufficient index coupling processing and multi-target balance, and forms a closed-loop evaluation system from index processing to intelligent decision making.
Owner:GUIZHOU POWER GRID CO LTD

Oilfield enterprise site-level CCUS dynamic source-sink matching optimization method

The invention discloses a site-level CCUS dynamic source-sink matching optimization method for an oil field enterprise, relates to the technical field of large-scale deployment of carbon capture, utilization and storage of the oil field enterprise, and particularly relates to the site-level CCUS dynamic source-sink matching optimization method for the oil field enterprise. Comprising the following steps: integrating a carbon source end full life cycle technical economy evaluation system and a storage target area'geology-potential-economy 'three-dimensional grading model to form a dynamic database; on the basis of the dynamic database, a mixed integer linear programming model fusing source sink dynamic priority coefficients is constructed, three scenes of cost minimization, oil displacement income maximization and carbon sink subsidy excitation are set, and a constraint system is coupled; according to the method, carbon source technology economic evaluation and storage target area three-dimensional grading are fused, the specific injection-production cycle, policy incentive and pipe network constraint of an oil field are converted into time-varying weight coefficients, traditional static optimization limitation is broken through, and site-level source-sink dynamic accurate matching is achieved.
Owner:SHAANXI YANCHANG PETROLEUM GRP

Comprehensive evaluation method and system for economical efficiency of ammonia diesel dual-fuel generator

The invention provides a comprehensive evaluation method and system for economical efficiency of an ammonia diesel dual-fuel generator, and relates to the technical field of generators, the method comprises the following steps: obtaining ammonia fuel and diesel mass flow and unit price in real time to generate fuel cost parameters, and combining a load state and power generation efficiency to construct a power generation income model; triggering a heat loss, ammonia escape and emission penalty calculation module based on the fuel cost and the power generation income to obtain a corresponding penalty value; and inputting the penalty values into an economic evaluation model for coupling calculation, generating economic benefit indexes, and feeding the economic benefit indexes back to a fuel proportioning controller for closed-loop optimization. According to the method, the operation benefit of the system is improved through multi-dimensional economic evaluation, the operation cost is reduced by 25%, ammonia escape is reduced by 50%, NOx emission is reduced by 40%, and the stability of the system is improved by 35%.
Owner:CHINA COAL SALES & TRANSPORTATION CO LTD

Marginal emission reduction cost-based ship greenhouse gas emission reduction evaluation method and system

The invention discloses a marginal emission reduction cost-based ship greenhouse gas emission reduction evaluation method and system, and relates to the technical field of ship emission reduction, and the method comprises the steps: collecting and building a ship greenhouse gas emission reduction measure; establishing a carbon pricing mechanism, and constructing a marginal emission reduction cost analysis model based on the carbon pricing mechanism; carrying out cost-benefit analysis on greenhouse gas emission reduction measures by utilizing the marginal emission reduction cost analysis model, and carrying out cost-benefit sorting; key parameter extraction is carried out on the marginal emission reduction cost analysis model, influence analysis of parameter change and cost effectiveness is carried out based on a key parameter extraction result, and a sensitivity analysis result is established; and generating a ship greenhouse gas emission reduction evaluation result according to the sensitivity analysis result and the cost-benefit sequence. According to the method, the technical problems that the evaluation method in the prior art is single and multi-dimensional economic benefits and market fluctuation influences cannot be comprehensively considered are solved, and the technical effect of improving the economic evaluation precision of the emission reduction measures is achieved.
Owner:CHINESE CLASSIFICATION SOC

Energy storage value-economy comprehensive evaluation method based on system dynamics

The invention discloses an energy storage value-economy comprehensive evaluation method based on system dynamics, and belongs to the technical field of energy storage system dynamics value chains, and the method comprises the steps: 1, determining a system boundary and an evaluation target; 2, establishing an economic evaluation system of the life cycle of the energy storage project; step 3, carrying out energy storage comprehensive substitution value identification and evaluation; 4, constructing an energy storage value-economy evaluation model based on a system dynamics theory; step 5, based on the results of the value evaluation and the economic evaluation, performing comprehensive evaluation, and judging whether various state variable judgment criteria exceed a threshold value T or not; and giving an evaluation conclusion through multivariable comprehensive judgment. According to the invention, by establishing the dynamic model comprising the energy storage value subsystem and the economical efficiency subsystem, unified evaluation of the value and the economical efficiency of the energy storage system in the whole life cycle is realized.
Owner:ECONOMIC TECH RES INST OF STATE GRID HENAN ELECTRIC POWER +2

Energy storage system economy evaluation method and system and storage medium

The invention discloses an energy storage system economy evaluation method and system and a storage medium, and belongs to the technical field of energy storage systems. Comprising the following steps: acquiring operation data, power market transaction data and equipment state data of an energy storage system in real time through a multi-source data acquisition module; a dynamic feature engineering module is used for screening key influence factors, and a comprehensive evaluation index system fusing market features, technical features and environment features is constructed; constructing an economy prediction model based on an LSTM neural network, inputting the data of the comprehensive evaluation index system into the economy prediction model, and outputting a multi-time scale economy evaluation result, including short-term income prediction, medium-term probabilistic income interval and long-term attenuation correction evaluation; and a revenue-risk balanced charging and discharging strategy is generated through a reinforcement learning algorithm, a strategy effect is rehearsed in a digital twin environment, and high-risk operation is dynamically adjusted. And the precision and adaptability of economic evaluation of the energy storage system can be remarkably improved.
Owner:CENT SOUTH UNIV

Comprehensive evaluation method, system and device based on single coke quality and mixed coke use and readable storage medium

The invention provides a comprehensive evaluation method, system and device based on single coke quality and mixed coke use and a readable storage medium, and the method comprises the steps: constructing a multi-layer progressive evaluation system from single coke quality evaluation to mixed coke performance prediction, and then to economical efficiency dynamic optimization; performing quantitative evaluation on the quality of the single coke through the basic evaluation layer to obtain a quality index; predicting a synergistic effect of various coke proportions through the mixing performance layer, and determining a mixing performance index; performing cost analysis on the proportioning scheme by combining an economic evaluation layer with price fluctuation to obtain a cost performance index; and a plurality of matching schemes are generated through the dynamic optimization layer, and an optimal solution meeting balance of quality, performance and cost is output.
Owner:UNIV OF SCI & TECH BEIJING

Multi-angle comprehensive evaluation system and method for domestic sewage treatment process

The invention relates to a multi-angle comprehensive evaluation system and method for a domestic sewage treatment process, and the system comprises a technical evaluation module, an economic evaluation module, an environment evaluation module, a comprehensive evaluation module and an analysis module, and constructs a technical efficiency evaluation index TEA according to an effluent stability index and the stability of technical operation; taking the weighted sum of the macroscopic cost evaluation index, the cost evaluation indexes of different types and the cost evaluation indexes of different stages as an economic evaluation index EA; the comprehensive environmental evaluation index CEA is equal to CEAS + CEAG-delta CEAW; the results of the technical evaluation module, the economic evaluation module and the environment evaluation module are obtained, and a weighted summation result is used as a comprehensive evaluation result CE; relative advantages and disadvantages of the domestic sewage treatment process are integrally evaluated through CE, and technical, economic or environmental improvement measures can be taken according to relative sizes of output results of the technical evaluation module, the economic evaluation module and the environmental evaluation module. According to the method, the actual operation state of the technology can be presented more accurately, and the evaluation accuracy is improved.
Owner:HEBEI UNIV OF TECH

Industrial element association reasoning method based on space-time knowledge graph

The invention discloses an industrial element association reasoning method based on a space-time knowledge graph. The method comprises the following steps: S1, encoding space-time characteristics of industrial association information; s2, constructing a spatio-temporal enhanced relation graph; s3, topological feature representation under the space-time condition; and S4, performing entity-level dynamic reasoning on the industrial elements. According to the method, the structural generalization ability of the pre-trained knowledge graph basic model is fused, a spatial-temporal feature coding mechanism is introduced, dynamic reasoning of industrial evolution paths in different regions and different periods is realized by constructing the relation graph with spatial-temporal attributes, and the method can be widely applied to scenes such as urban industrial planning, regional economic evaluation and industrial chain optimization and has a wide application prospect. The intelligent level of government decision-making and the efficiency of enterprise strategy deployment are improved, and accurate decision-making support is provided for industrial analysis, policy making and the like.
Owner:HARBIN INST OF TECH

Power plant station full life cycle dynamic technology economic evaluation method

The invention relates to a power station full-life-cycle dynamic technical economic evaluation method, device and equipment and a medium. The method comprises the following steps: setting a quantification factor, obtaining historical data of a station in a specific region of a corresponding province, and carrying out dynamic analysis on an officially operated electric power spot market based on the data and the quantification factor so as to predict the electric quantity and the electricity price of the station in a full life cycle. And on the basis of the prediction data, constructing an electric power spot market feature number, and using a feature equation to solve to predict the electric quantity and the electricity price of the electric power spot market in the pilot run stage to obtain the prediction data of the corresponding pilot run stage. And finally, performing full-life-cycle dynamic technical and economic evaluation on the electric power spot market based on the prediction data in the trial operation stage to obtain a comprehensive technical and economic evaluation result. According to the method, the influence of the power station participating in the commissioning stage of the electric power spot market on the income of the power station is considered, and dynamic technical and economic evaluation of the whole life cycle of the electric power spot market is realized.
Owner:CHINA ENERGY CONSTR (BEIJING) ENERGY RES INST CO LTD

Prediction method for fracture toughness of polar region marine composite steel plate under different thicknesses

The invention relates to the technical field of metal material fracture resistance testing, in particular to a prediction method for fracture toughness of a polar region ship composite steel plate under different thicknesses, and the method comprises the following specific steps: S1, material selection and performance testing; s2, carrying out a fracture test; s3, modeling and simulation: performing modeling on the composite steel plate samples with different composite layer thicknesses, and performing fracture behavior simulation; s4, model establishment and parameter fitting; and S5, model verification and application. According to the method, the layer thickness ratio Rt is used as a key research parameter, the fracture toughness change rule of the polar ship composite steel plate under different composite layer thicknesses can be systematically represented, and the fracture toughness prediction model based on the layer thickness ratio is established, so that the problems of complexity and high cost caused by one-by-one test on all the composite layer thicknesses in a traditional method are effectively solved; therefore, the actual engineering requirements of rapid fracture resistance design and economic evaluation of the polar ship composite steel plate are met, the test quantity is small, the period is short, and the cost is low.
Owner:CHINA SHIPBUILDING INDUSTRY CORPORATION NO725 RESEARCH INSTITUTE

Economic evaluation method, device and equipment for high-power lithium battery energy storage system

The embodiment of the invention discloses an economic evaluation method, device and equipment for a high-power lithium battery energy storage system and a medium. The method comprises the following steps: determining a battery dynamic equivalent cycle conversion factor based on a target energy storage battery; determining a system battery replacement cost parameter and an energy loss cost parameter according to the battery dynamic equivalent cycle conversion factor; determining a full life cycle cost model of the energy storage system based on the system battery replacement cost parameter and the energy loss cost parameter; according to the energy storage system full-life-cycle cost model and the energy storage system full-life-cycle income model, constructing an economy evaluation model; and based on the economy evaluation model, carrying out energy storage system full life cycle economy evaluation on the target energy storage system. According to the technical scheme of the embodiment of the invention, the accuracy of the full-life-cycle economic evaluation of the high-power lithium battery energy storage system can be improved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID QINGHAI ELECTRIC POWER COMPANY +1

Land-sea integrated full-process CO2 geological utilization and storage project technical economic evaluation method and tool

The invention discloses a land-sea integrated full-process CO2 geological utilization and storage project technical economic evaluation method and tool. The method comprises the following steps: S1, evaluating and delimiting a full-process CO2 geological utilization and storage range; step S2, an evaluation process; s3, selecting a full-process CCUS technical scheme; and S4, carrying out full-process CCUS technical economic evaluation. The invention relates to the technical field of environmental science and engineering. According to the land-sea integrated full-process CO2 geological utilization and storage project technical economic evaluation method and tool, the problem of how to obtain information such as a technical scheme, cost budget, project layout and planning of a full-process CO2 geological utilization and storage project suitable for an enterprise or a technical and economic environment under the condition of lacking CO2 storage project experience and data is solved; and the feasibility of project development is provided.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Economic evaluation system for regional economy

The invention discloses an economic evaluation system for regional economy, which relates to the technical field of regional economic evaluation and comprises a data acquisition module, an image preprocessing module, a feature extraction and model construction module, a risk evaluation module, a shooting frequency regulation and control module and an efficient identification module. Farmland areas are divided into high-risk, low-risk and non-risk states according to the disease and pest risk levels, and the accuracy and effectiveness of prevention and control are improved. High-risk areas are prevented and controlled in a centralized mode, low-risk areas are monitored regularly, non-risk areas are managed conventionally, crop loss and production cost are effectively reduced, and the environment is protected. Based on the shooting frequency of intelligent regulation and control, the monitoring frequency of the high-resolution camera is dynamically adjusted, the resource utilization is optimized, the accuracy of disease and pest prevention and control is improved, the operation cost is reduced, the sustainable development of agricultural production is ensured, and an efficient, economical and environment-friendly management scheme is provided.
Owner:ZHEJIANG UNIV

Target-driven decision-making layer evaluation and decision-making method for optimizing building reconstruction

The invention relates to the technical field of building reconstruction scheme evaluation, in particular to a target-driven decision-making level evaluation method for optimizing building reconstruction, and provides an optimized building reconstruction decision-making method based on investor types. The objective-driven decision-making level evaluation method for optimizing building reconstruction comprises the steps of model framework establishment, prototype building group data summarization and prototype design, evaluation of each energy-saving reconstruction measure, evaluation of an influence strategy of combined reconstruction of each reconstruction measure on energy, environment and economy, and the like. The optimized building reconstruction decision-making method based on the investor type is realized through a target-driven decision-making layer evaluation method for optimizing building reconstruction. The method provided by the invention performs comprehensive energy, environment and economic evaluation on building reconstruction on a macroscopic scale. The importance of a model framework of a simple evaluation method is emphasized, and the method integrates data mining analysis and hierarchical clustering (AHC) into a multi-target decision process, so that a building stakeholder can select the most appropriate technical transformation scheme on the macroscale.
Owner:ZHEJIANG TONGZHOU CONSTR MANAGEMENT CO LTD

Method and system for determining project scale layout of water network irrigation area of agricultural and pastoral area

The invention discloses an agricultural and pastoral area water network irrigation area project scale layout determination method and system. The method comprises the following steps: collecting agricultural and pastoral area data, gridding an agricultural and pastoral area, constructing a topographic feature matrix, calculating the rainfall of each grid, calculating an evapotranspiration value, performing water-soil balance calculation, extracting a plurality of drought centers and dividing the agricultural and pastoral area into a plurality of sub-areas; calculating the water inflow of each sub-region, drawing a water layer distribution diagram, determining a water intake, and constructing a water source engineering layout scheme of each sub-region; extracting a water source project water outlet of each sub-region, determining an irrigation system and constructing a drainage project in combination with irrigation area topographic data, and obtaining an irrigation area project layout scheme of each sub-region; an evaluation index system is constructed, an economic evaluation model is constructed, comprehensive benefit scores of the water network irrigation area project layout schemes are calculated, and the scheme with the highest score is the agricultural and pastoral area water network irrigation area project scale layout scheme. The water resource utilization efficiency is improved, and reasonable configuration and sustainable utilization of water resources in agricultural and pastoral areas are achieved.
Owner:水利部水利水电规划设计总院 +1

Full-life-cycle economic evaluation method for salt-cavern comprehensive energy system

The invention relates to a salt cavern integrated energy system full life cycle economic evaluation method, and the method comprises the steps: obtaining electric energy supply and demand data in a target region, and building a mathematical model of a salt cavern integrated energy system based on the electric energy supply and demand data and at least one salt cavern geological parameter; based on the mathematical model, an objective function is determined with the maximum comprehensive economic benefit in the whole life cycle, and a double-layer optimization model of the salt-cavern comprehensive energy system is established; and performing multi-scene evaluation by using a double-layer optimization model to perform modeling and optimization solution on each scene to obtain economy of the system in different scenes, and determining the optimal configuration of the salt cavern integrated energy system according to the economy of the system in different scenes. Therefore, the problems that the overall value is difficult to accurately evaluate and the scientificity of investment decision and the rationality of resource allocation are influenced due to the fact that a static analysis mode is adopted in related technologies and multiple factors such as related complex technologies, economy and environment are not fully considered are solved.
Owner:ZHONGYAN SALT CAVE COMPREHENSIVE UTILIZATION CO LTD +1

Economic collaborative development evaluation method based on regional industry

The invention relates to the technical field of regional economic evaluation, and discloses an evaluation method based on regional industrial economic collaborative development. The method comprises the following steps: constructing an evaluation index system including regional economic core indexes and industrial correlation indexes; collecting economic operation basic data of multiple industrial departments and carrying out standardized preprocessing according to an index system; calculating an inter-industry input-output association strength coefficient based on the standardized data, and establishing an industry association network topological graph; identifying a dominant industry and matched support industry set by using the topological graph; analyzing resource element flow data between the two, and quantifying an inter-industry collaborative complementary effect value; combining the correlation strength coefficient and the synergistic effect value to calculate a regional overall industry collaboration degree index; setting an evaluation benchmark and comparing, and judging a development grade; and outputting an evaluation report containing the topological graph, the collaboration degree index and the grade conclusion, and generating an industrial policy optimization adjustment suggestion list according to the evaluation report.
Owner:SHANDONG POLYTECHNIC COLLEGE

Parameter optimization method, device and equipment for oil reservoir development and storage medium

The invention discloses a parameter optimization method and device for oil reservoir development, equipment and a storage medium, and relates to the technical field of oil reservoir development. Comprising the steps that oil field geological parameters, well location and operation parameters, injection parameters and economic evaluation parameters are obtained and input into a numerical simulator to complete initialization, and oil reservoir state change data and development effect indexes are calculated; generating a first data set representing the corresponding relationship among the parameters, the oil reservoir state and the development effect by combining a particle swarm optimization algorithm; a second data set containing multiple expert tracks is obtained through screening and data enhancement processing, and the expert tracks reflect time sequence evolution of the oil reservoir state under the action of the injection parameters; inputting the expert track into a preset inverse reinforcement learning model, and screening a target expert track according to the strategy network update amplitude and the discriminator probability value; and finally, optimizing the input parameters based on the target expert trajectory to obtain optimal parameters. Intelligent optimization of oil reservoir parameters is realized, optimization efficiency and suitability are improved, and development benefits are guaranteed.
Owner:XI'AN PETROLEUM UNIVERSITY

Transformer economic evaluation and optimization method

The invention discloses an economic evaluation and optimization method for a transformer, and the method achieves the dual optimization of a power transformer in the aspects of economy and technology through the construction of a detailed full-life-cycle cost model and an accurate life loss prediction model, and remarkably improves the economic benefits of a power grid company. According to the method, cost factors such as purchase, operation, maintenance and residual values of the transformer are comprehensively considered, and the service life loss of the transformer under different working conditions is accurately evaluated, so that a transformer use scheme with the minimum cost and the minimum service life loss is formulated. The investment and operation cost of a power grid company can be effectively reduced, the service life of the transformer is prolonged, and the stability and reliability of a power system are enhanced. Meanwhile, the method provides powerful support for a power grid company to formulate a scientific transformer management strategy, helps a decision maker to make a more intelligent choice, and ensures reasonable configuration and effective utilization of transformer resources.
Owner:XIAN UNIV OF TECH

Economic evaluation method and system for hydrogen production project and electronic equipment

The invention belongs to the technical field of clean energy, particularly relates to a hydrogen production project economic evaluation method and system and electronic equipment, and aims to solve the problem that an existing hydrogen production project evaluation method is not accurate enough. The method comprises the following steps: acquiring each cash flow index influencing the corrected cash flow; analyzing the cash flow indexes of the tth year to obtain the correction probability of each cash flow index, and calculating the hydrogen production item correction cash flow of the tth year based on each cash flow index and the correction probability of each cash flow index; based on the corrected cash flow, calculating to obtain a corrected hydrogen production item net present value; and calculating the internal investment return rate of the corrected hydrogen production project based on the net present value of the corrected hydrogen production project. According to the method, the cost and income constituent elements of the hydrogen production project are comprehensively analyzed, the dynamic change condition of each actual influence factor is considered, and the obtained conclusion is more accurate and real.
Owner:PETROCHINA CO LTD

An innovation chain and industrial chain collaborative diagnosis method and system fusing multi-source data

ActiveCN122174152BOriginal dataEngineering
The application discloses a kind of innovation chain and industry chain synergic diagnosis method and system of fusion multi-source data, belong to regional economic evaluation and artificial intelligence data processing technical field.The purpose is to solve the problem of existing evaluation method relying on single structured data, lack of depth decision-making ability.The method includes: collecting the scientific research and industrial structured index of target area and policy text unstructured data;Quantify policy synergy effectiveness index using natural language processing technology;Introduce market mechanism parameters, build a nonlinear double-track correction model to dynamically correct the original data, calculate the real fusion coordination degree;Based on the modified multi-dimensional characteristics, structured prompt words are constructed to drive the pre-trained large language model to automatically generate synergy short board diagnosis report and decision optimization suggestion.The application realizes the improvement of evaluation comprehensiveness and accuracy, reduces the influence of pseudo-fusion, realizes the integration of intelligent diagnosis of measurement-cause-suggestion.
Owner:江西省科技事务中心

Economic evaluation method of controllable phase shifter access power system

The invention discloses an economic evaluation method for accessing controllable phase shifters into a power system, which comprises the following steps of: constructing a power system application scene demand set, acquiring a plurality of controllable phase shifter access schemes and the investment cost of each controllable phase shifter access scheme, and then establishing a power system application scene demand set under each controllable phase shifter access scheme. Obtaining the tail end power of the power system after the controllable phase shifter is connected, and obtaining the electrical stress change range of the source load network after the controllable phase shifter is connected and the transient electrical quantity change characteristic of the power system after the controllable phase shifter is connected based on the tail end power of the power system; and further obtaining the total operation cost and the risk cost of each controllable phase shifter access scheme, and performing economic evaluation on the controllable phase shifter access power system based on the investment cost, the total operation cost and the risk cost of each controllable phase shifter access scheme. The method can comprehensively evaluate the safety and reliability after the phase shifter engineering is accessed, and provides a scientific basis for the investment decision of a power system.
Owner:STATE GRID JIANGSU ECONOMIC RES INST +2