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检索条件"主题词=Optimization Algorithm"
3045 条 记 录,以下是2811-2820 订阅
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optimization of a tetrahedral satellite formation
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JOURNAL OF SPACECRAFT AND ROCKETS 2005年 第4期42卷 699-710页
作者: Clemente, DC Atkins, EM Univ Maryland College Pk MD 20742 USA
Two fundamental approaches can be applied to satellite-formation mission design: active control, where satellites exert forces with their thrusters to maintain a constant or periodic geometry for all or part of each o... 详细信息
来源: 评论
optimization algorithm in the Simulation of Ceramic Grain Growth
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厦门大学学报(自然科学版) 2002年 第S1期41卷 292-页
作者: ZENG Zhong-chen 1, JI Guo-li 1, XIONG Zhao-xian 2, LIU Zong-xi 1 (1. Department of Automation, Xiamen University, 2. Department of Materials Science and Engineering, Xiamen University, Xiamen 361005, China)
optimization algorithm was developed for the simula ti on of ceramic grain growth at atomistic scale. Based on the coordination informa tion of different atoms, a structure of trident tree was applied to save large q ... 详细信息
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Optimal continuous thrust orbit transfer using evolutionary algorithms
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2005年 第3期28卷 547-549页
作者: Igarashi, J Spencer, DB Penn State Univ Dept Aerosp Engn University Pk PA 16802 USA
A simplified technique for searching for the initial costate values using evolutionary strategies (ES) was presented. A representative low-Earth-orbit (LEO) to geostationary-Earth-orbit (GEO) transfer problem with con... 详细信息
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DNA algorithmS BASED ON EXON SHUFFLING
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IFAC Proceedings Volumes 2005年 第1期38卷 17-21页
作者: Tsuyoshi Okayama Haruhiko Murase Osaka Prefecture University 1-1 Gakuen Sakai 599-8531 Japan
An understanding of a natural system's information handling can lead to more effective artificial optimization techniques. There are successful optimization algorithms represented in biosystems that have proven us... 详细信息
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Swarm algorithm for single- and multiobjective airfoil design optimization
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AIAA JOURNAL 2004年 第2期42卷 366-373页
作者: Ray, T Tsai, HM Natl Univ Singapore Temasek Labs Singapore 119260 Singapore
Shape optimization of airfoils involves highly expensive, nonlinear objective(s) and constraint functions often with functional and slope discontinuity that limits the efficient use of gradient-based methods for its s... 详细信息
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Probabilistic constructive optimization techniques
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IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS 2004年 第6期23卷 859-868页
作者: Wong, JL Koushanfar, F Megerian, S Potkonjak, M Univ Calif Los Angeles Dept Comp Sci Los Angeles CA 90095 USA Univ Calif Berkeley Dept Elect Engn & Comp Sci Berkeley CA 94720 USA Univ Wisconsin Dept Elect & Comp Engn Madison WI 53706 USA
We have developed a new optimization paradigm for solving computationally intractable combinatorial optimization and synthesis problems. The technique, named probabilistic constructive, combines the advantages of both... 详细信息
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Multi-objective, multidisciplinary design optimization methodology for distributed satellite systems
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JOURNAL OF SPACECRAFT AND ROCKETS 2004年 第1期41卷 39-50页
作者: Jilla, CD Miller, DW MIT Dept Aeronaut & Astronaut Cambridge MA 02139 USA
A multi-objective, multidisciplinary design optimization methodology for mathematically modeling the distributed satellite system conceptual design problem as an optimization problem has been developed. The tradespace... 详细信息
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New optimization process based on the contrast function for triplet systems design
New optimization process based on the contrast function for ...
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Conference on Optical Design and Engineering
作者: Pizarro, C Arasa, J Tomás, N Tech Univ Catalonia Ctr Dev Sensors Instruments & Syst E-08222 Terrassa Spain
In this work, we present a new image-quality-based optimization process using a USAAF test to estimate the contrast function in the image plane. This strategy permits us to estimate the contrast values with only one i... 详细信息
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Applications of uncertainty analysis to architecture selection of satellite systems
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JOURNAL OF SPACECRAFT AND ROCKETS 2004年 第1期41卷 75-84页
作者: Walton, MA Hastings, DE MIT Cambridge MA 02139 USA
One of the most significant challenges in conceptual design is managing the tradespace of potential architectures: choosing which design to pursue aggressively, which to keep on the table, and which to leave behind. T... 详细信息
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Evaluating the cost and risk impacts of launch choices
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JOURNAL OF SPACECRAFT AND ROCKETS 2004年 第1期41卷 103-110页
作者: Weigel, AL Hastings, DE MIT Dept Aeronaut & Astronaut & Engn Cambridge MA 02139 USA
A method is presented for quantitatively assessing the generalized cost and risk impacts to a space system architecture of a restrictive government launch policy and application is made to the case of the U.S. space t... 详细信息
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