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检索条件"主题词=Optimization Algorithm"
3058 条 记 录,以下是431-440 订阅
排序:
Efficient optimization for Time-Constrained Encounter of Spacecraft with Multirevolution Phasing
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2024年 第11期47卷 2259-2272页
作者: Han, Hongwei Lv, Ruifeng Qiao, Dong Beijing Inst Technol Sch Aerosp Engn Beijing 100081 Peoples R China
"Spacecraft encounter" refers to a close flyby or fast proximity between two or more spacecraft in space. It involves the approach of one spacecraft to another, whether for observation, communication, captur... 详细信息
来源: 评论
Prediction accuracy improvement of pressure pulsation signals of reversible pump-turbine: A LSTM and VMD-based optimization approach
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ENERGY SCIENCE & ENGINEERING 2024年 第1期12卷 102-116页
作者: Fang, Mingkun Zhang, Fangfang Cao, Zhong Tao, Ran Xiao, Wei Zhu, Di Gui, Zhonghua Xiao, Ruofu China Agr Univ Coll Water Resources & Civil Engn Beijing Peoples R China China Agr Univ Beijing Engn Res Ctr Safety & Energy Saving Techno Beijing Peoples R China CTG Hainan Green Dev Investment Co Ltd Operat Management Dept Hainan Peoples R China Wuhan Univ State Key Lab Water Resources Engn & Management Wuhan Peoples R China State Grid Xinyuan Co Ltd Pumped Storage Technol & Econ Res Inst Beijing Peoples R China China Agr Univ Coll Engn Beijing Peoples R China
The reversible pump-turbine plays an important role in hydropower stations, but pressure pulsation during their operation affects their performance and lifespan. Accurate prediction of pressure pulsation signals can p... 详细信息
来源: 评论
Carbon Emissions and Parameter optimization for Machine Tool Processing
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IEEE SENSORS JOURNAL 2024年 第17期24卷 27225-27237页
作者: Yau, Her-Terng Kuo, Ping-Huan Tu, Tzung-Lin Chen, Yu-Tsun Natl Chung Cheng Univ Dept Mech Engn Chiayi 62102 Taiwan Natl Chung Cheng Univ Adv Inst Mfg High Tech Innovat AIM HI Chiayi 62102 Taiwan
The imposition of carbon taxes on goods imported by the European Union can considerably affect economic development. Computer numerical control (CNC) machine tools are indispensable in manufacturing, and reducing thei... 详细信息
来源: 评论
Multi-Disciplinary and Multi-Objective optimization Method Based on Machine Learning
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AIAA JOURNAL 2024年 第2期62卷 691-707页
作者: Dai, Jiahua Liu, Peiqing Li, Ling Qu, Qiulin Niu, Tongzhi Beihang Univ Sch Aeronaut Sci & Engn Beijing 100191 Peoples R China Huazhong Univ Sci & Technol State Key Lab Intelligent Mfg Equipment & Technol Wuhan 430074 Peoples R China
The optimization of aircraft is a typical multidisciplinary and multi-objective problem. To solve this problem, the difficulty lies not only in the high cost of discipline performance evaluation but also in the comple... 详细信息
来源: 评论
Online Bayesian optimization of Polynomial-Multigrid Cycles for Flux Reconstruction
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AIAA JOURNAL 2024年 第7期62卷 2692-2707页
作者: Mishra, Sambit Trojak, Will Witherden, Freddie D. Texas A&M Univ Dept Ocean Engn Haynes Engn Bldg727 Ross St College Stn TX 77843 USA IBM Res UKI Hartree Ctr London SE1 7ND England
In this study, we present a novel strategy for dynamically optimizing polynomial multigrid cycles to accelerate convergence within the dual-time-stepping formulation of the artificial compressibility method. To accomp... 详细信息
来源: 评论
Coupling simulation of pipeline nodes - Storage tank linkage in urban high-density built-up areas using optimization model
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JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024年 357卷 120850页
作者: Zhang, Yangxuan Jiang, Chunbo Han, Qiaohui Zhang, Xiang Li, Jiake Xiao, Yi Xian Univ Technol State Key Lab Ecohydraul Northwest Arid Reg China Xian 710048 Peoples R China Wuhan Univ Hubei Key Lab Water Syst Sci Sponge City Construct Wuhan 430072 Peoples R China
Climate change and urbanization contribute to the increased frequency of short-duration intense rainstorms. Traditional solutions often involve multiple scenarios for cost-effectiveness comparison, neglecting the rati... 详细信息
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Study and Application of optimization algorithm about Sinusoidal Steady-State Circuit
Study and Application of Optimization Algorithm about Sinuso...
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第三十四届中国控制会议
作者: Hou Xiang Lin Li Qi Chen Cong Sun Hong School of Mechanical Engineering Shenyang Jianzhu University SKLOIS Institute of Information Engineering CAS Graduate University of Chinese Academy of Sciences
Based on Kirchhoff Law about arbitrary sinusoidal steady-state circuit network, optimization principle of dynamic design variables is adopted. Making real parts and imaginary parts of sub-circuit current and node pote... 详细信息
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Gradient-Based optimization Method for Experimental Modal Parameter Estimation with Finite Element Model
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AIAA JOURNAL 2024年 第9期62卷 3544-3558页
作者: Xu, Zhaoyi Zheng, Gangtie Tsinghua Univ Sch Aerosp Engn Beijing 100084 Peoples R China
This paper presents a novel gradient-based optimization algorithm for improving the accuracy of experimentally estimated modal parameters with the assistance of finite element models. Initially, we recast the discrete... 详细信息
来源: 评论
Fast and Robust optimization of Full Trajectory from Entry Through Powered Descent
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2024年 第2期47卷 203-216页
作者: Lu, Ping Sandoval, Sergio Davami, Christopher San Diego State Univ Dept Aerospace Engn San Diego CA 92182 USA NASA Johnson Space Ctr Houston TX USA
A high-mass Mars entry, descent, and landing (EDL) mission for cargo delivery or human exploration faces the challenge of a high propellant mass fraction requirement for powered descent. This work develops a novel met... 详细信息
来源: 评论
Advanced modelling and optimization of steam methane reforming: From CFD simulation to machine learning - Driven optimization
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INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 2024年 96卷 1262-1280页
作者: Jafarizadeh, Azadeh Panjepour, Masoud Emami, Mohsen Davazdah Isfahan Univ Technol Dept Mat Engn Esfahan *** Iran Isfahan Univ Technol Dept Mech Engn Esfahan *** Iran
Computational fluid dynamics simulations were utilized to investigate the steam methane reforming process with the aim to improve its efficiency. Key parameters examined for their impact on process performance include... 详细信息
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