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检索条件"主题词=sequential Quadratic Programming"
1180 条 记 录,以下是321-330 订阅
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Perspectives on Aerodynamic Design Optimization
Perspectives on Aerodynamic Design Optimization
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: Martins, Joaquim R. R. A. Univ Michigan Dept Aerosp Engn Ann Arbor MI 48109 USA
CFD-based aircraft design optimization has matured significantly in the last few years thanks to improvements in CFD solvers, mesh deformation, sensitivity computation, and optimization tools. We review our recent dev... 详细信息
来源: 评论
Shape Optimization of Vortex Generators to Control Mack Mode Amplification
Shape Optimization of Vortex Generators to Control Mack Mode...
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AIAA Aviation Forum
作者: Pederson, Clark C. Choudhari, Meelan M. Zhou, Beckett Y. Parede, Pedro Disking, Boris Univ Texas Austin Walker Dept Mech Engn Austin TX 78712 USA NASA Langley Res Ctr Computat AeroSci Branch Hampton VA 23681 USA TU Kaiserslautern Chair Sci Comp Bldg 34Paul Ehrlich Str D-67663 Kaiserslautern Germany NIA Computat AeroSci Branch Hampton VA 23681 USA NIA Hampton VA 23681 USA
This paper demonstrates the potential to use shape optimization for the design of vortex generators in an axisymmetric boundary layer. This shape optimization increases the amplitude of stationary streaks created by s... 详细信息
来源: 评论
Objectives and Constraints for Transonic Wing Optimization
Objectives and Constraints for Transonic Wing Optimization
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: Poole, D. J. Allen, C. B. Rendall, T. C. S. Univ Bristol Dept Aerosp Engn Bristol BS8 1TR Avon England Univ Bristol Dept Aerosp Engn Computat Aerodynam Bristol BS8 1TR Avon England
Consideration of the aerodynamic shape optimization problem definition is presented. An issue with drag minimization is that shocked-free solutions often result which have isolated performance improvements. As such, i... 详细信息
来源: 评论
Direct numerical solution of a time-optimal state-constrained control problem in a flow  7
Direct numerical solution of a time-optimal state-constraine...
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7th International Conference on Control, Decision and Information Technologies (CoDIT)
作者: Chertovskih, Roman Pereira, Fernando Lobo Univ Porto Fac Engn Res Ctr Syst & Technol SYSTEC Elect & Comp Engn Dept Porto Portugal
We consider the following time-optimal control problem with state constraints: compute minimal travelling time of a controllable object moving in a prescribed flow field in a bounded domain between two given points. T... 详细信息
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Nonlinear Model Predictive Control and Collision-Cone-Based Missile Guidance Algorithm
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2021年 第8期44卷 1481-1497页
作者: Bhattacharjee, Diganta Chakravarthy, Animesh Subbarao, Kamesh Univ Texas Arlington Dept Mech & Aerosp Engn Box 19018 Arlington TX 76019 USA
In this paper, a hybrid missile guidance algorithm is proposed for planar engagement scenarios. The method combines nonlinear model predictive control (NMPC) with a collision cone approach, and enables the guidance al... 详细信息
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Parameter Identification for a 3D Heating Process by the Adjoint Method based on Experimental Data
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IFAC-PapersOnLine 2021年 第11期54卷 103-108页
作者: Dirk Wolfram Thomas Meurer Chair of Automatic Control Faculty of Engineering Kiel University 24143 Kiel Germany
Model-based control of systems governed by partial differential equations relies on the knowledge of the model parameters. Their determination is complicated by the spatial-temporal process dynamics. In addition the i... 详细信息
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Aerodynamic Shape Optimization for Unsteady Flows: Some Benchmark Problems
Aerodynamic Shape Optimization for Unsteady Flows: Some Benc...
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: Apponsah, Kwesi P. Zingg, David W. Univ Toronto Inst Aerosp Studies Toronto ON M3H 5T6 Canada Univ Toronto Inst Aerosp Studies Computat Aerodynam & Sustainable Aviat Toronto ON M3H 5T6 Canada Univ Toronto Inst Aerosp Studies Ctr Res Sustainable Aviat Toronto ON M3H 5T6 Canada Univ Toronto Inst Aerosp Studies Ctr Computat Sci & Engn Toronto ON M3H 5T6 Canada
We present an efficient aerodynamic shape optimization framework for optimization problems under unsteady flow conditions. The optimization framework consists of a parallel Newton-Krylov flow solver for multi-block gr... 详细信息
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Direct Methods Comparison for the Active Target Defense Scenario
Direct Methods Comparison for the Active Target Defense Scen...
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: Weintraub, Isaac E. Cobb, Richard Baker, William Pachter, Meir US Air Force Res Lab Wright Patterson AFB OH 45433 USA US Air Force Res Lab Dept Aerosp Engn Wright Patterson AFB OH 45433 USA US Air Force Res Lab Dept Mathemat Wright Patterson AFB OH 45433 USA US Air Force Res Lab Dept Elect Engn Wright Patterson AFB OH 45433 USA
The goal of optimal control is to obtain an admissible function which minimizes an objective functional subject to specified constraints and boundary conditions. Four popular methods of computing the optimal control d... 详细信息
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Multi-Fidelity Wing Optimization Utilizing 2D to 3D Pressure Distribution Mapping in Transonic Conditions
Multi-Fidelity Wing Optimization Utilizing 2D to 3D Pressure...
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AIAA Science and Technology Forum and Exposition (AIAA SciTech)
作者: MacDonald, Timothy Alonso, Juan J. Stanford Univ Dept Aeronaut & Astronaut Stanford CA 94305 USA
Due to time and resource constraints, the conceptual design process for new aircraft is typically limited to inexpensive low-fidelity methods. Unfortunately, these methods generally only provide the fidelity necessary... 详细信息
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Steady-Straight-Level Flight Study: A Mathematical Optimization Approach and Flight Test
Steady-Straight-Level Flight Study: A Mathematical Optimizat...
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AIAA Aviation Forum
作者: Salahuddeni Ghosh, Ajoy Kanti Indian Inst Technol Kanpur Aerosp Engn Kanpur 208016 Uttar Pradesh India
In this paper, an experiment based thrust control command expression for propeller-driven-piston-engine powered aircraft is obtained to complete the required dynamics for finding the trim flight solutions in steady-st... 详细信息
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