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检索条件"主题词=Algorithms Convergence"
23 条 记 录,以下是1-10 订阅
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Novel Approach to Improve Stability and convergence of Flowfield Solution Processes: Mode Multigrid
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AIAA JOURNAL 2023年 第8期61卷 3496-3506页
作者: Wang, XuKun Liu, Yilang Zhang, Weiwei Northwestern Polytech Univ Sch Aeronaut Natl Key Lab Sci & Technol Aerodynam Design & Res Xian 710072 Peoples R China
In the field of computational fluid dynamics, stability and convergence problems are often encountered when solving the governing equation. This paper studies the effect of the mode multigrid on the stability and conv... 详细信息
来源: 评论
Enhanced 3D Localization on Venus: A Map Matching and Particle Filtering Approach
Enhanced 3D Localization on Venus: A Map Matching and Partic...
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AIAA SciTech Forum
作者: Cottrill, Heath Gu, Yu West Virginia Univ Dept Mech & Aerosp Engn Morgantown WV 26506 USA
This paper presents a localization solution for an aerial robot operating in the atmosphere of Venus. The system estimates its state using an onboard inertial navigation system (INS), which may drift over time. To com... 详细信息
来源: 评论
Tackling Nonconvex Collision Avoidance Constraints for Optimal Trajectory Planning Using Saturation Functions
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2022年 第6期45卷 1002-1016页
作者: Zhao, Zichen Shang, Haibin Wei, Bingwei Beijing Inst Technol Sch Aerosp Engn Beijing 100081 Peoples R China Beijing Inst Technol Key Lab Dynam & Control Flight Vehicle Beijing 100081 Peoples R China
The problem of optimal trajectory planning with nonconvex collision avoidance constraints is discussed in this paper. The trajectory planning algorithm aims to generate a feasible trajectory with specified performance... 详细信息
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Autonomous Maneuver Targeting Around Small Bodies Using Continuous-Thrust Propulsion
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2022年 第3期45卷 499-516页
作者: Kuettel, Donald H. H. McMahon, Jay W. Univ Colorado Orbital Res Cluster Celestial Applicat Smead Dept Aerosp Engn Boulder CO 80303 USA
This paper presents a novel fuel-efficient continuous-thrust maneuver targeting (CTMT) algorithm that is capable of planning finite, continuous maneuvers in a larger autonomous spacecraft guidance architecture. This i... 详细信息
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Planning Trajectories for a Robot Manipulator with Tool Orientation in Semiautomatic Control Systems  2nd
Planning Trajectories for a Robot Manipulator with Tool Orie...
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2nd International Conference on Cyber-Physical Systems and Control, CPS and C 2021
作者: Rostova, Ekaterina N. Rostov, Nikolay V. St. Petersburg199178 Russia Peter the Great St. Petersburg Polytechnic University Polytechnicheskaya St. 29 St. Petersburg195251 Russia
Today, due to digitalization, it is important to extend the functional capabilities of state-of-the-art robot control systems. In the paper, we consider digital semiautomatic control systems of robot manipulators with... 详细信息
来源: 评论
Derivative-Free Line-Search Algorithm for Multi-Fidelity Optimization
Derivative-Free Line-Search Algorithm for Multi-Fidelity Opt...
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AIAA Science and Technology Forum and Exposition (AIAA SciTech Forum)
作者: Liuzzi, Giampaolo Lucidi, Stefano Rinaldi, Francesco Pellegrini, Riccardo Serani, Andrea Diez, Matteo CNR CNR IASI Inst Syst Anal & Comp Sci Via Taurini 19 I-00185 Rome Italy Sapienza Univ Dept Comp Control & Management Engn Ruberti Via Ariosto 25 I-00185 Rome Italy Univ Padua Dept Math Via Trieste 63 I-35131 Padua Italy CNR CNR INM Inst Marine Engn Via Vallerano 139 I-00128 Rome Italy
The paper presents a multi-fidelity coordinate-search derivative-free algorithm for non-smooth constrained optimization (MF-CS-DFN), in the context of simulation-based design optimization (SBDO). The objective of the ... 详细信息
来源: 评论
Effectiveness of Surrogate-Based Optimization algorithms for System Architecture Optimization
Effectiveness of Surrogate-Based Optimization Algorithms for...
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AIAA Aviation Forum and Exposition
作者: Bussemaker, Jasper H. Barton, Nathalie Lefebvre, Thierry Ciampa, Pier D. Nagel, Bjoern DLR German Aerosp Ctr Inst Syst Architectures Aeronaut Aircraft Design & Syst Integrat Hamburg Germany Univ Toulouse DTIS ONERA Informat Proc & Syst Dept Toulouse France DLR German Aerosp Ctr Inst Syst Architectures Aeronaut Hamburg Germany
The design of complex system architectures brings with it a number of challenging issues, among others large combinatorial design spaces. Optimization can be applied to explore the design space, however gradient-based... 详细信息
来源: 评论
Onboard Real-Time Generation of Launch Vehicle Abort Orbits
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2021年 第8期44卷 1541-1549页
作者: Hao, Zeming Zhang, Ran Beihang Univ Sch Astronaut Beijing 100191 Peoples R China
来源: 评论
Iteratively feasible optimal spacecraft guidance with non-convex path constraints using convex optimization
Iteratively feasible optimal spacecraft guidance with non-co...
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: Misra, Gaurav Bai, Xiaoli Rutgers State Univ Dept Mech & Aerosp Engn Piscataway NJ 08854 USA
In this paper, a convex optimization based approach is proposed for solving the relative spacecraft guidance problem with non-convex obstacle avoidance constraints akin to sequential convex programming approaches prop... 详细信息
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Filter Initialization with Three-Dimensional Lidar Images in Proximity to Small Bodies
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2020年 第2期43卷 310-318页
作者: Dietrich, Ann B. McMahon, Jay W. Univ Colorado Boulder CO 80309 USA Charles Stark Draper Lab Precis Nav Cambridge MA 02139 USA 431 UCB Ann & HJ Smead Aerosp Engn Sci Boulder CO USA
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