Results 171 to 180 of about 9,881,663 (387)

Integro‐Differential Equations in Angular Stabilization of Drone's Motion by Distributed Feedback Control

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT In this paper, we propose angular stabilization of drone's motion using distributed feedback control in the form of an integral operator. It should be stressed that the memory of this integral operator could be unbounded. It is intuitively clear that large length of the observation time opens new possibilities to construct better control based
Alexander Domoshnitsky   +2 more
wiley   +1 more source

SLAMS-propelled Electron Acceleration at High-Mach-number Astrophysical Shocks

open access: yesThe Astrophysical Journal
Short large-amplitude magnetic structures (SLAMS) are frequently detected during spacecraft crossings over Earth's bow shock. We investigate the existence of such structures at astrophysical shocks, where they could result from the steepening of cosmic ...
Vladimir Zeković   +2 more
doaj   +1 more source

Application of numerical optimization to the design of advanced supercritical airfoils [PDF]

open access: yes
An application of numerical optimization to the design of advanced airfoils for transonic aircraft showed that low-drag sections can be developed for a given design Mach number without an accompanying drag increase at lower Mach numbers. This is achieved
Hicks, R. M., Johnson, R. R.
core   +1 more source

A Data‐Driven Approach to Integrated Adaptive Morphing and Guidance for Cruise Missiles

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT To address the complex coupling between aerodynamic characteristics and guidance control for morphing flight missiles, this study proposes a data‐driven approach to integrated adaptive morphing and guidance. Firstly, an aerodynamic surrogate model is constructed using a fully connected neural network (FCNN), mapping the configuration ...
Ming‐Yu Wu   +6 more
wiley   +1 more source

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