Direct Adaptive Performance Optimization of Subsonic Transports PDF Download
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Author: Martín Espanã
Publisher:
ISBN:
Category : Flight simulators
Languages : en
Pages : 50
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Book Description
Author: Martín Espanã
Publisher:
ISBN:
Category : Flight simulators
Languages : en
Pages : 50
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722172565
Category :
Languages : en
Pages : 46
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Book Description
Aircraft performance can be optimized at the flight condition by using available redundancy among actuators. Effective use of this potential allows improved performance beyond limits imposed by design compromises. Optimization based on nominal models does not result in the best performance of the actual aircraft at the actual flight condition. An adaptive algorithm for optimizing performance parameters, such as speed or fuel flow, in flight based exclusively on flight data is proposed. The algorithm is inherently insensitive to model inaccuracies and measurement noise and biases and can optimize several decision variables at the same time. An adaptive constraint controller integrated into the algorithm regulates the optimization constraints, such as altitude or speed, without requiring and prior knowledge of the autopilot design. The algorithm has a modular structure which allows easy incorporation (or removal) of optimization constraints or decision variables to the optimization problem. An important part of the contribution is the development of analytical tools enabling convergence analysis of the algorithm and the establishment of simple design rules. The fuel-flow minimization and velocity maximization modes of the algorithm are demonstrated on the NASA Dryden B-720 nonlinear flight simulator for the single- and multi-effector optimization cases. Espana, Martin D. and Gilyard, Glenn Armstrong Flight Research Center RTOP 505-69-10...
Author: Glenn Gilyard
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 22
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 944
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 942
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 538
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Author: Leonard Tobias
Publisher:
ISBN:
Category : Aeronautics, Commercial
Languages : en
Pages : 308
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Author: Glenn Gilyard
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 640
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