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170 results about "Fast optimization" patented technology

Assessment method, system and equipment of large language model and storage medium

The invention provides an evaluation method, system and device for a large language model and a storage medium, and the method comprises the steps: constructing a sample data set which comprises input data and corresponding reference answers, inputting the input data into an evaluated model, and generating an output result; a multi-dimensional evaluation index system is designed according to task requirements, a dynamic weight is allocated to each evaluation index, each evaluation index is provided with scoring standard description, and the evaluation indexes comprise at least two items of context correlation, term consistency, language fluency and expression accuracy; combining the input data, the reference answer, the output result and the scoring standard description into a standardized input instruction, and calling an evaluation model to perform multi-dimensional scoring on the standardized input instruction to generate an evaluation result; and analyzing the evaluation result according to a preset threshold value, and generating a structured feedback suggestion containing an improvement direction. According to the method, rapid optimization and iteration of the large language model can be effectively supported.
Owner:XIAMEN YUANTING INFORMATION TECH CO LTD

Intelligent optimization method for multi-type well seam joint control fine injection-production mode

The invention discloses an intelligent optimization method for a multi-type well seam joint control fine injection-production mode, and relates to the technical field of oil-gas field development. The method comprises the following steps: setting a well seam joint control fine injection-production mode, establishing an oil reservoir numerical simulation model in oil reservoir numerical simulation software, obtaining multiple groups of oil reservoir injection-production schemes based on a Latin hypercube sampling method, performing simulation according to each group of oil reservoir injection-production schemes by utilizing the oil reservoir numerical simulation model, generating multiple pieces of sample data, and establishing a sample database; a deep learning agent model is established, after the sample database is utilized to train and train the deep learning agent model, a particle swarm optimization algorithm is adopted to carry out single-target pre-search global optimization to obtain a preferred reference strategy, a reinforcement learning dynamic decision model is established, and a reinforcement learning agent is obtained through training based on a PPO near-end strategy optimization algorithm; and the optimal injection-production development scheme of the oil reservoir is obtained by utilizing the reinforcement learning agent, so that rapid optimization and decision support of the oil reservoir injection-production scheme in a new multi-type well seam joint control mode are realized.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Flood regulation and control two-stage reverse deduction method under large watershed complex engineering system

The invention discloses a flood regulation and control two-stage reverse deduction method under a large-scale watershed complex engineering system, which comprises the following steps: S1, constructing a watershed flood deduction model: constructing a flood control engineering system joint scheduling and flood routing coupling model according to watershed water system and flood control engineering characteristics; evaluating flood influence and disaster loss based on the coupling model; s2, two-stage reverse deduction based on the flood deduction model and the intelligent optimization algorithm: constructing a calculation framework based on the flood deduction model and the intelligent optimization algorithm, iteratively optimizing and dynamically adjusting scheduling parameters such as water volume, opening degree and the like by taking the minimum overall disaster as a reverse deduction target and taking the minimum watercourse overflow and collapse and the minimum flood diversion water volume as hard constraint conditions, and calculating the overall disaster of the flood deduction model and the intelligent optimization algorithm; and reverse deduction is carried out through a reverse deduction mechanism, and an optimal scheduling scheme considering flood control safety and disaster damage control is generated. The method has the advantages that fast and refined reverse deduction can be achieved, and the actual requirements of basin flood routing refined rehearsal, engineering regulation and control scheme fast optimization generation and the like are met.
Owner:HOHAI UNIV

Intra-day look-ahead scheduling rapid solving method considering large-scale new energy cluster power generation volatility

The invention relates to the technical field of power system scheduling, and discloses an intra-day look-ahead scheduling rapid solving method considering large-scale new energy cluster power generation volatility. Comprising the following steps of S1, new energy cluster space-time fluctuation scene generation based on a neuron cellular automaton, S2, power grid dynamic security domain definition and simplification based on a physical information neural network, S3, scheduling rapid optimization solution based on model prediction path integration, and S4, scheduling scheme dynamic elasticity and stability evaluation based on a Kupman operator theory. The new energy cluster space-time fluctuation scene generation method based on the neuron cell automaton can effectively generate a space-time scene reflecting large-scale new energy cluster power generation volatility, supports uncertainty analysis, has the advantages of being high in calculation efficiency and scene authenticity, and is suitable for large-scale new energy cluster power generation. The problem that scene generation is inaccurate due to the fact that a traditional statistical model ignores space-time coupling is solved.
Owner:MAINTENANCE & TEST CENTRE CSG EHV POWER TRANSMISSION CO +2

Fault co-seismic sliding surface inversion method and system based on Beidou and artificial intelligence

The invention discloses a fault co-seismic sliding surface inversion method and system based on Beidou and artificial intelligence. The method comprises the steps of collecting Beidou data and seismic waveform data of a target area in real time, and performing preprocessing to extract co-seismic displacement and waveform features; fusing the Beidou deformation features and the seismic wave features to form a multi-modal feature vector; a fault prediction model is constructed based on a graph neural network, forward modeling and historical earthquake example data training are utilized, and multi-modal features are input to obtain preliminary fault sliding distribution prediction; rapid optimization under physical constraint is carried out through the elastic dislocation model, and a final fault sliding model conforming to the geophysical law is obtained; finally, uncertainty quantification is carried out, and a visual product of the dynamic process including sliding distribution, seismic moments and fault deformation is generated. According to the system, full-process automatic processing is achieved through cooperation of all the units, the inversion speed, precision and physical credibility are improved, and reliable support is provided for earthquake emergency response and disaster assessment.
Owner:CHINA TOWER CO LTD

Precise automatic multi-axis numerical control electric spark forming machine data processing method and system

The invention discloses a data processing method and system for a precise automatic multi-axis numerical control electric spark forming machine, and the method comprises the steps: mapping preprocessed data into a digital twin model for fusion analysis, and extracting fusion features including instantaneous energy density, an effective machining angle, a thermal error compensation amount and a chip removal efficiency evaluation value; based on the fused feature data, performing real-time state evaluation and future discharge trend prediction by using a LightGBM neural network model, and outputting a processing prediction result; and a multi-target optimization function is established, an improved NSGA-II algorithm is utilized to carry out rapid optimization search by taking the current processing parameters as an initial population, a multi-axis cooperative motion instruction is generated, and the multi-axis cooperative motion instruction is transmitted to a multi-axis motion control module and a pulse power supply module to be executed. And the processing stability and reliability are improved.
Owner:NANTONG GEMEI IND CNC EQUIP CO LTD

Fast distance super-resolution imaging method based on GNSS-R SAR

The invention belongs to the technical field of GNSS-R SAR (Global Navigation Satellite System-Radar Synthetic Aperture Radar) super-resolution imaging, and discloses a fast distance super-resolution imaging method based on a GNSS-R SAR. According to the method, matrix compression, regularization modeling and a rapid optimization algorithm are creatively combined, and a set of efficient and stable distance super-resolution processing flow is formed. Specifically, after a preliminary imaging result of a GNSS echo signal is obtained and a signal convolution model form of the GNSS echo signal is given, firstly, dimension reduction processing is performed on an observation matrix in a signal convolution model through singular value decomposition, and on the basis of a weighted singular value maintenance strategy processing result, the signal convolution model is reconstructed by using an inverse matrix of a truncated measurement matrix; then, starting from a regularization strategy, introducing an L1 norm constraint to construct a target function by utilizing the sparse characteristic of a target; and finally, solving the target function by adopting a rapid iterative optimization algorithm. According to the method provided by the invention, the range resolution of the GNSS echo data is remarkably improved.
Owner:UNIV OF JINAN

Quick optimization design method and device for anti-flutter structural parameters of wind turbine blade

The invention discloses a quick optimization design method and device for anti-flutter structural parameters of a wind turbine blade, and relates to the technical field of wind turbine blades, and the method comprises the following steps: constructing a blade aeroelastic characteristic equation to respectively determine the blade critical flutter speed of a plurality of to-be-optimized structural parameter combinations of a to-be-designed blade; carrying out standard orthogonal polynomial approximate expansion on the initial parameter-critical flutter velocity high-dimensional expansion model, converting coefficient solution into a 1-norm minimization problem, and carrying out solution based on each to-be-optimized structure parameter combination and each blade critical flutter velocity to determine a target parameter-critical flutter velocity high-dimensional expansion model; calculating the sensitivity index of each to-be-optimized structure parameter to determine a key to-be-optimized structure parameter; taking maximization of the critical flutter speed of the blade as a target, adjusting the parameter gradient of each key to-be-optimized structure to solve a target parameter-critical flutter speed high-dimensional expansion model, and determining a target optimization structure parameter combination. According to the scheme, the optimal anti-flutter structure parameter design can be quickly determined.
Owner:GUANGDONG UNIV OF TECH

Fast range super-resolution imaging method based on GNSS-R SAR

The present invention belongs to the technical field of GNSS-R SAR super-resolution imaging, and discloses a fast range super-resolution imaging method based on GNSS-R SAR. The present invention innovatively combines matrix compression, regularization modeling and fast optimization algorithm to form a set of efficient and stable range super-resolution processing procedures. Specifically, after obtaining the preliminary imaging results of the GNSS echo signal and giving its signal convolution model form, the observation matrix in the signal convolution model is first reduced in dimension by singular value decomposition, and on the basis of the processing results of the weighted singular value preservation strategy, the signal convolution model is reconstructed using the inverse matrix of the truncated measurement matrix; then, starting from the regularization strategy, the L1 norm constraint is introduced to construct the objective function using the sparse characteristics of the target; finally, a fast iterative optimization algorithm is used to solve the objective function. The method of the present invention significantly improves the range resolution of GNSS echo data.
Owner:UNIV OF JINAN

Reliability improvement method for cooperation of power distribution network and micro-grid

The invention relates to the technical field of power distribution networks, and discloses a power distribution network and micro-grid collaborative reliability improvement method, which specifically comprises the following three steps: constructing an SOP-based power distribution network and micro-grid operation model, constructing an SOP-containing power distribution network and micro-grid operation model, and constructing an SOP-containing power distribution network and micro-grid operation model. It is ensured that the micro-grid can operate independently or cooperatively in different fault scenes, and the reliability and flexibility of the system are improved; a multi-stage power distribution network and micro-grid collaborative optimization model is constructed, a multi-stage optimization strategy is designed for different operation stages of a power distribution network and a micro-grid, full-process collaborative optimization from prevention before a fault, scheduling during the fault to recovery after the fault is realized, and efficient distribution and management of resources are ensured; according to the rapid optimization method of the collaborative model, a rapid optimization algorithm is provided for improving the real-time performance and the application efficiency of the model, and rapid response and implementation of collaborative optimization of a large-scale power distribution network and a micro-grid are achieved by reducing the calculation complexity and improving the solving speed.
Owner:XINGTAI POWER SUPPLY

Multi-target reservoir gate optimal scheduling method based on hierarchical reinforcement learning

The invention discloses a hierarchical reinforcement learning-based multi-target reservoir gate optimal scheduling method, which comprises the following steps of: constructing a reservoir drainage facility gate optimal scheduling model, and determining a target function and a constraint condition; establishing a hierarchical reinforcement learning framework, determining options, an option network and an option internal strategy, determining a reservoir water level by the option network according to information such as reservoir inflow to minimize the maximum reservoir outflow of the reservoir, and determining a gate operation scheme by the option internal strategy according to the reservoir water level determined by the option network to minimize gate adjustment times; and solving the layered reinforcement learning framework by using a competitive double-depth Q network algorithm to obtain a reasonable gate operation scheme. According to the method, gate scheduling is decomposed into two levels of decisions, the problems that the number of gate optimization scheduling decision variables is too large and the solution dimension is too large are effectively solved, a reasonable gate operation scheme can be obtained through rapid optimization, and the maximum output flow of a reservoir and the gate adjustment frequency are effectively reduced.
Owner:CHINA YANGTZE POWER +2

Multi-target deployment rapid optimization method based on deep reinforcement learning

The invention provides a multi-target deployment rapid optimization method based on deep reinforcement learning. The invention innovatively provides a thought of processing a complex optimization problem by using the strong environment understanding ability and generalization ability of the deep reinforcement learning algorithm, and the model constructed based on the TD3 algorithm enables the intelligent agent to optimize the decision strategy through interaction learning with the environment. Preliminary experiments show that although the model can better understand the environment, the early-stage learning efficiency is low, and strategy convergence is slow. Therefore, the invention further provides a reinforcement learning model based on pre-training, a pre-training target is provided through a traditional optimization algorithm, the learning process is accelerated, and the convergence quality is improved. Experiments prove that the pre-trained agent is superior to an unpre-trained agent in convergence speed and quality.
Owner:HARBIN INST OF TECH

Three-dimensional reconstruction driven heuristic log board cutting optimization method

PendingCN120495521AImage analysisKnowledge based modelsDimension (graph theory)Point cloud
The invention discloses a heuristic log board cutting optimization method driven by three-dimensional reconstruction, and relates to the field of wood processing and manufacturing. The invention provides a heuristic log board cutting optimization method based on a three-dimensional point cloud reconstruction model. The method specifically comprises the following steps: accurately reconstructing a log three-dimensional shape by using point cloud data acquired by a sensor, and converting the log three-dimensional shape into a two-dimensional plane projection by adopting dimension reduction processing; further, a heuristic search algorithm is constructed based on a graph theory to carry out contour extraction, so that the adverse effect of the complex geometric shape of the log on the outturn percentage is eliminated; on the basis, a simulated annealing algorithm improved on the basis of a skyline constraint rule is provided, rapid optimization of a cutting scheme is achieved through an intelligent search strategy, the calculation speed is greatly increased while the solving quality is guaranteed, and the aging requirement of large-scale production is practically met.
Owner:FUDAN UNIVERSITY

Anti-swing predictive control method for offshore crane

The invention discloses an anti-swing predictive control method for an offshore crane, and belongs to the technical field of ocean engineering equipment control. The problem that in the prior art, due to control lag and an inaccurate model, the load swing restraining effect of an offshore crane is poor is solved. According to the scheme, the method is characterized in that the state of a crane and prediction information of future waves are obtained in real time through a state sensor set and a multi-source environment sensing system; mixing the prediction model to predict a crane system state sequence under different control instructions in a future time domain in a rolling manner; based on the prediction sequence, solving a reference control track aiming at suppressing swing and reducing structural fatigue in upper-layer optimization, and solving and outputting an instant control instruction meeting the constraint of an execution mechanism in lower-layer rapid optimization; meanwhile, system health management is independently executed, and a control mode is dynamically adjusted according to evaluation. The method is mainly used for precise anti-swing control of the offshore crane under the complex sea condition, load swing can be effectively inhibited in advance, and operation precision and equipment safety are improved.
Owner:JIEYANG QIANZHAN WIND POWER CO LTD

Model order reduction method for rapid optimization of circulating tumor cell (CTC) sorting structure

The invention relates to the technical field of computational fluid mechanics and biological microfluidic design, in particular to a model order reduction method for rapid optimization of a circulating tumor cell (CTC) sorting structure, which comprises the following steps of: constructing a three-dimensional full-order computational fluid mechanics model by collecting channel geometric structure parameters and fluid working condition parameters, and generating a training data set; organizing a flow field snapshot into a matrix form, extracting a dominant mode, constructing a low-dimensional modal space by taking the dominant mode as a base vector, establishing a low-dimensional ordinary differential model through Galerkin projection, and training a parameter-modal coefficient mapping relation by adopting a deep neural network to form a complete reduced-order model; and finally, constructing a multi-objective optimization problem based on the reduced-order model, carrying out optimization iteration by adopting an evolutionary algorithm, and returning an optimization result to the full-order model for verification, so that rapid optimization design of the CTC sorting structure is realized, and an effective solution is provided for intelligent design of a biomedical microfluidic device.
Owner:PAIDILAN (SUZHOU) BIOTECHNOLOGY CO LTD

Decoupling cell element-hybrid equivalent model and permanent magnet flat wire motor multi-physics field cooperation rapid optimization method

The invention discloses a decoupling cell-hybrid equivalent model and a permanent magnet flat wire motor multi-physical field cooperation rapid optimization method, a rotor and a stator are modeled separately, and complete separation of a motor topological structure and an analysis grid is realized at the rotor part through decoupling cells, so that the motor topological structure can be completely separated from the analysis grid when facing various different rotor topological structures. And a new grid structure does not need to be repeatedly constructed, so that the modeling efficiency, the model universality and the modeling flexibility of a complex structure are greatly improved. And the stator adopts hybrid equivalent modeling, so that the solving complexity is remarkably reduced while the high calculation precision is kept. The rotor side adopts boundary encryption subdivision to ensure stress precision, and the stator side adopts a parameterized equivalent magnetocaloric network model to reduce analysis time consumption, and unification of high precision and high efficiency is realized. By means of an NSGA-II algorithm, a bidirectional coupling calculation framework among an electromagnetic field, a temperature field and a stress field is constructed, efficient coupling iteration among physical quantities of the three fields is achieved through coupling calculation, and coupling prediction precision and design reliability are effectively improved.
Owner:JIANGSU UNIV

Three-dimensional flow field acquisition method and system based on two-dimensional through-flow and neural network

The invention provides a three-dimensional flow field acquisition method and system based on two-dimensional through-flow and a neural network, belongs to the field of fluid mechanics calculation, and can at least partially solve the problem that in the prior art, calculation efficiency is low, and two-dimensional through-flow cannot reflect three-dimensional features. Geometric parameters and working condition parameters of fluid machinery are input, and flow parameters on a two-dimensional flow surface are rapidly output; constructing and training a neural network model, wherein the neural network learns a mapping relation between a two-dimensional flow surface calculation result and a three-dimensional flow field; for the fluid machinery under the target working condition, a result is obtained through two-dimensional through-flow calculation, the result is preprocessed and then input into the trained neural network, the low-dimensional representation of the three-dimensional flow field is output, and complete three-dimensional flow field parameters are obtained through reconstruction. The calculation period is remarkably shortened, and rapid optimization of multiple schemes is supported.
Owner:XIAN THERMAL POWER RES INST CO LTD

System and method for compiling convolutional neural network model for embedded device

The present invention relates to the technical field of artificial intelligence devices, and provides a system and method for compiling a convolutional neural network model for an embedded device. The system comprises a model computation graph representation unit, a convolutional neural network fixed optimization module, a convolutional neural network automatic optimization module, an automatic optimization process module, a model compilation optimization unit, and a model deployment and reasoning unit. A convolutional neural network operator having the highest computational load is optimized, and only the edge cropping size and the loop unrolling step size of the convolutional neural network operator are optimized, so that the optimization space is reduced and the optimization time is shortened while optimizing the operator to the greatest extent; in addition, the entire process from model training output to embedded device reasoning is established, and rapid optimization and deployment of convolutional neural network models are achieved. By means of the method, a high-performance convolutional neural network model can be rapidly deployed on an embedded device, so that the present invention has high practical value and innovative value.
Owner:SHANDONG INSPUR SCI RES INST CO LTD

Chaotic variation metamaterial parameter rapid optimization method based on random forest model

The invention relates to a chaotic variation metamaterial parameter rapid optimization method based on a random forest model. The method comprises the following steps: S1, determining a structural parameter search space of a metamaterial and upper and lower bounds of optimization variables; s2, an initial population is generated, fitness values of individuals of the initial population are calculated, the individuals are metamaterial structure parameters, and the fitness values of the individuals are obtained through prediction of a random forest regression model; s3, variation and crossover operation is carried out on the current population, new individuals are obtained, fitness values of the new individuals are calculated, and the variation operation is hyperchaotic variation through hyperchaotic mapping; and S4, performing selection operation according to the fitness values of the individuals, obtaining a new population, returning to S3 until a termination condition is met, and obtaining the optimized metamaterial structure parameters. According to the method, the design and optimization efficiency of the metamaterial can be remarkably improved.
Owner:BEIJING INST OF TECH

Pipe truss structure fatigue analysis parameter optimization method and system based on deep learning

The invention relates to the technical field of structure fatigue evaluation, in particular to a pipe truss structure fatigue analysis parameter optimization method and system based on deep learning, and the method comprises the following steps: constructing a deep learning proxy model fusing a multi-scale structure diagram encoder, a working condition parameter encoder and a damage dimension curve decoder; training the model by using a high-fidelity training data set; for the target truss structure and the load working condition, predicting a damage dimension relation curve through the model; determining the optimal dimension of a rain flow counting matrix by analyzing the convergence characteristic of the curve; and predicting a multi-working-condition damage value through a model, and screening out a dominant working condition based on a damage contribution percentage. According to the method, the deep learning agent model is used for replacing traditional iterative simulation, rapid optimization of key parameters in fatigue analysis is achieved, the efficiency and accuracy of fatigue evaluation of the large truss structure are remarkably improved, and the generalization ability of the model is improved by fusing the physical effect of a multi-scale structure chart encoder to capture key hotspots.
Owner:XIHUA UNIV

Power system black-start partition decision-making method based on lightweight reinforcement learning

The invention provides a power system black-start partition decision method based on lightweight reinforcement learning, and the method comprises the steps: constructing a black-start model of a power system containing multiple physical constraints, and formalizing the black-start model into a Markov decision process, the Markov decision process comprises a state space, an action space, a reward function and a transfer process; decomposing the power system into a plurality of sub-regions by adopting a dynamic partition recovery strategy; based on the Markov decision process, a depth deterministic strategy gradient algorithm is adopted to design and train a lightweight strategy network of deep reinforcement learning; enabling the intelligent agent to interact with the environment in each sub-region through the lightweight strategy network of deep reinforcement learning, and learning an optimal decision strategy; and according to the optimal decision strategy, performing partition power supply capability recovery on the power system. According to the invention, black-start rapid optimization decision in a complex power grid environment is realized.
Owner:XI AN JIAOTONG UNIV +2

A Deep Learning-Based Method for Improving Energy Efficiency in Trailer Production Environments

This invention discloses a deep learning-based method for improving energy efficiency in trailer production environments, comprising the following steps: S1, real-time collection of trailer production environment data; S2, preprocessing the data to generate a standardized dataset; S3, constructing and training an energy efficiency optimization control model; S4, inputting the real-time generated standardized dataset into the energy efficiency optimization control model to generate energy consumption, production efficiency, and environmental stability indicators; S5, using an improved RVEA optimization algorithm to optimize the generated energy consumption, production efficiency, and environmental stability indicators, generating optimal production strategy parameters; S6, deploying the optimal production strategy parameters to the actual production execution system. This invention combines deep learning with an improved RVEA optimization method to intelligently optimize trailer production energy efficiency, possessing advantages such as strong adaptability, fast optimization speed, and excellent overall performance.
Owner:SHANGDONG GUANGTONG AUTOMOBILE TECH CO LTD

A method for rapid optimization of neutral busbar surge arrester parameters, electronic equipment, and readable storage medium.

A method, electronic device, and readable storage medium for rapid optimization of neutral bus arrester parameters are disclosed. Based on the main circuit topology of a symmetrical bipolar flexible DC system composed of a half-bridge submodule MMC converter, the method establishes equivalent circuits for different fault conditions, including DC pole-to-ground faults, single-phase-to-ground faults in the valve-side windings connected to the transformer delta connection, and neutral line open-circuit faults. It obtains the energy absorbed by the neutral bus arrester and, based on the relationship between the energy absorbed by the neutral bus arrester and its protection level, optimizes the energy absorption of the arrester under different fault conditions with the goal of balancing the energy absorbed. This allows for rapid optimization of the neutral bus arrester parameters, offering advantages of speed, economy, and efficiency.
Owner:TBEA TECH INVESTMENT CO LTD

Method for accelerating iteration based on automatic driving edge scene parameters

The invention relates to the field of scene optimization of edge calculation, in particular to a method for accelerating iteration based on automatic driving edge scene parameters. The method comprises the following steps: firstly, extracting and analyzing speed and position data of a vehicle driving into a ramp according to an NGSIM vehicle track data set; secondly, sensitivity analysis under Monte Carlo simulation is carried out on the extracted speed and position parameters of the vehicle; finally, the sensitivity parameters are added into the iteration process of the particle swarm algorithm, and a final detection result is obtained. The feature information can be extracted more efficiently through clustering analysis of the vehicle position data, the sensitive parameters are added in the particle swarm optimization process, the optimization speed of the particle swarm optimization is increased, and therefore the iteration process of scene parameters is accelerated. According to the method, the reliability and applicability of scene modeling can be effectively improved, the accuracy of feature extraction is enhanced, the calculation efficiency of an algorithm is optimized, and reliable support is provided for rapid optimization of scene parameters.
Owner:XIAN TECH UNIV

A fast solution method for day-ahead scheduling considering large-scale new energy cluster generation fluctuation

The application relates to the technical field of power system dispatching, and discloses an intra-day forward-looking dispatching fast solving method considering large-scale new energy cluster power generation fluctuation, which comprises the following steps: S1: new energy cluster space-time fluctuation scene generation based on neuron cellular automata, S2: power grid dynamic security domain definition and simplification based on physical information neural network, S3: dispatching fast optimization solving based on model prediction path integral, and S4: dispatching scheme dynamic elasticity and stability evaluation based on the theory of Koopman operator. The new energy cluster space-time fluctuation scene generation method based on neuron cellular automata can effectively generate a space-time scene reflecting the large-scale new energy cluster power generation fluctuation, support uncertainty analysis, has the advantages of high calculation efficiency and scene authenticity, and solves the problem that the traditional statistical model ignores space-time coupling, thereby causing inaccurate scene generation.
Owner:MAINTENANCE & TEST CENTRE CSG EHV POWER TRANSMISSION CO +2

Ship global deformation and optimization method considering drainage volume precision control and deformation rationality, program, equipment and storage medium

The invention belongs to the technical field of ship intelligent digital optimization design, and particularly relates to a ship global deformation and optimization method, program and equipment considering drainage volume precision control and deformation rationality and a storage medium. The analytical expression of the drainage volume variation about the global deformation parameter is obtained based on the numerical integration and the recursion formula, the reasonable deformation parameter range of the ship body is determined based on the global deformation modification function and the regular design space, the ship body does not need to be actually deformed, the corresponding volume variation can be directly predicted according to the design parameter, and the calculation accuracy is improved. Accurate feedforward control of volume constraint and direct judgment of rationality of the deformed ship are realized. On the basis, rapid optimization of any ship type structure under the constraint of reasonable deformation and accurate volume control is realized in combination with an agent model. According to the method, a traditional'design-verification-adjustment 'experience iteration process is converted into deterministic one-step calculation, and subsequent optimization can be directly carried out in a pre-verified reasonable design space.
Owner:HARBIN ENG UNIV

A method and apparatus for online optimization of hot forging process parameters

This application discloses an online optimization method and apparatus for hot forging process parameters, applicable to the field of hot forming technology. Based on a full-factor experimental design, this application performs multi-scale simulation of hot forgings to obtain grain size simulation results. Then, it obtains a pre-defined mesh corresponding to the final forging as the base mesh and constructs a rapid grain size prediction dataset based on the grain size simulation results. Next, it constructs a rapid grain size prediction model for hot forgings and a visualization model based on this dataset. The hot forging process parameters are then input into the rapid grain size prediction model to predict real-time grain size data. The real-time grain size data is visualized using the visualization model, thus achieving online visualization prediction of the global grain size of the hot forging. Finally, a biomimetic intelligent optimization algorithm is used to optimize the hot forging process parameters, enabling rapid optimization of process parameters.
Owner:WUHAN UNIV OF TECH

Robust optimization design method for airborne high temperature superconducting generator

The application relates to a robust optimization design method of an airborne high-temperature superconducting generator, which comprises the following steps: a baseline design scheme is obtained by establishing a two-dimensional electromagnetic finite element baseline model and a total loss accounting model of the generator containing electromagnetic characteristics of superconducting coils; a feasible technical scheme set is obtained by performing scheme screening on pre-engineering hard constraints; an optimal candidate scheme is determined by performing fast optimization on the feasible domain by using a Taguchi orthogonal test, and the optimal candidate scheme is determined by main effect and range analysis or signal-to-noise ratio calculation; and a final design scheme is determined by taking the minimum performance fluctuation or the maximum signal-to-noise ratio as a criterion by introducing cold end temperature fluctuation, air gap assembly deviation, tape critical current dispersion and load and speed disturbance as noise factors for robust verification. The application can efficiently obtain an optimal design with high performance, strong engineering feasibility and operation robustness under limited simulation resources, and is especially suitable for a megawatt airborne high-temperature superconducting power generation system.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

Parameter uncertainty-considered explainable building reconstruction rapid optimization method

The invention relates to an interpretable building reconstruction rapid optimization method considering parameter uncertainty. The method comprises the following steps: S1, collecting information and carrying out data processing on original data; s2, building a building simulation model and calibrating weather data; s3, uncertain parameter sensitivity is analyzed, and a simulation model is calibrated; s4, building reconstruction measures are set, and reconstruction multi-objective optimization is carried out; s5, training a rapid prediction model and explaining a black box model decision mechanism; the method is based on an optimization algorithm, a prediction algorithm and a simulation kernel, and aims to solve the technical problems of uncertainty, simulation speed and interpretability in building reconstruction multi-objective optimization.
Owner:SOUTHEAST UNIV

Fuel gear pump unloading groove structure optimization method based on lumped parameter framework

The invention discloses a fuel gear pump unloading groove structure optimization method based on a lumped parameter framework. The method comprises the following steps: 1, establishing a fuel gear pump oil trapping mechanism model; 2, constructing a multi-cavity lumped parameter model of the fuel gear pump; 3, establishing an optimization sample library; and 4, constructing a BP neural network and optimizing a genetic algorithm. A multi-cavity performance model of the fuel gear pump is constructed by introducing a lumped parameter framework, so that the calculation complexity of the model is reduced, and a basis is provided for rapid optimization; a training sample is obtained based on a multi-cavity model, training of a neural network proxy model is carried out, a complex linear relation between unloading groove structure parameters and gear pump performance is mapped through the proxy model, and prediction precision and calculation efficiency are further improved; a genetic algorithm is adopted as an optimization engine, a neural network agent model is coupled, and multi-objective optimization of the structural parameters of the special-shaped unloading groove is carried out.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1