Results 11 to 20 of about 81,958 (286)

Aerothermodynamic Analysis of Faceted Aeroshell at Hypersonic Speed

open access: green, 2023
Conference paper presented at HiSST: 2nd International Coneference on High-Speed Vehicle Science Technology (Bruges, Belgium 2022)
Pietro Innocenzi   +5 more
openalex   +4 more sources

Research on Head Pursuit Interception Strategy for Hypersonic Target

open access: yesApplied Sciences, 2023
In the wake of countries competing to develop high-efficiency offensive weapons, high-precision systems have also developed. Due to the high speed and high maneuverability of hypersonic targets, it is always difficult to meet the accuracy and rapidity ...
Zhihan Li, Ying Nan
doaj   +1 more source

Intelligent Pursuit–Evasion Game Based on Deep Reinforcement Learning for Hypersonic Vehicles

open access: yesAerospace, 2023
As defense technology develops, it is essential to study the pursuit–evasion (PE) game problem in hypersonic vehicles, especially in the situation where a head-on scenario is created. Under a head-on situation, the hypersonic vehicle’s speed advantage is
Mengjing Gao   +4 more
doaj   +1 more source

Hypersonic weapons and the future of nuclear deterrence

open access: yesScientia Militaria, 2021
It is widely accepted today that hypersonic weapons pose insurmountable challengesto nuclear deterrence. Although speed has always been a critical factor in warfare, thedevelopment of hypersonics provides unprecedented advantages in terms of the speedand
Coetzee, Eben
doaj   +1 more source

Analysis and Prospect of Key Technologies for Hypersonic Vehicle Data Link [PDF]

open access: yesHangkong bingqi, 2023
With the development of weapons equipment, operational concepts, and communication technology, data link technology is updated constantly. Data link plays an important role in the trend of "no link, no missile" no missile, no war" in air combat ...
Chen Dawei, Zhang Yongliang, Duan Pengfei, Yuan Cheng
doaj   +1 more source

Prescribed performance control approaches, applications and challenges: A comprehensive survey

open access: yesAsian Journal of Control, Volume 25, Issue 1, Page 241-261, January 2023., 2023
Abstract As to control systems, transient performance is as important as steady‐state performance. For some special dynamic systems, transient performance is a more prior index in comparison with the steady‐state one. Prescribed performance control (PPC) has been proved to be a powerful tool that guarantees control system outputs/errors with desired ...
Xiangwei Bu
wiley   +1 more source

Influence of Ablation Deformation on Aero-Optical Effects in Hypersonic Vehicles

open access: yesAerospace, 2023
High-speed turbulence is generated when hypersonic vehicles fly in the atmosphere, which can create aero-optical effects and interfere with optical navigation and guidance systems. At the same time, the front end and optical window of hypersonic vehicles
Bo Yang   +5 more
doaj   +1 more source

Phonon Engineering of Micro‐ and Nanophononic Crystals and Acoustic Metamaterials: A Review

open access: yesSmall Science, Volume 3, Issue 1, January 2023., 2023
Phononic crystals and acoustic metamaterials with phonon wave manipulation capabilities have attracted considerable attention. This review summarizes the progress and identifies gaps in phonon engineering at the micro‐ and nanoscales using phononic crystals and metamaterials due to their potential significance in modern electronic applications.
Jihong Ma
wiley   +1 more source

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