Results 1 to 10 of about 336,079 (296)

Configuration system design and longitudinal flight simulation verification of variable stability helicopter

Xibei Gongye Daxue Xuebao, 2022
For in-flight simulation of variable stability helicopter, how to have the ability to change a wide range of response characteristics and ensure flight safety is an important design problem.
FANG Wei, QIU Tianlin, LI Deshang, WANG Haowei   +3 more
doaj   +1 more source

Performance Evaluation of Stewart-Gough Flight Simulator Based on ${\mathcal{L}}_1$ Adaptive Control

Applied Sciences, 2021
In the design of the six degrees of freedom (6-DOF) flight simulation system, the unmodeled dynamic, transient performance and steady-state performance of the system are generally concerned.
Jiangwei Zhao, Dongsu Wu, Hongbin Gu
doaj   +1 more source

Autonomous Maneuver Decision of Air Combat Based on Simulated Operation Command and FRV-DDPG Algorithm

Aerospace, 2022
With the improvement of UAV performance and intelligence in recent years, it is particularly important for unmanned aerial vehicles (UAVs) to improve the ability of autonomous air combat.
Yongfeng Li, Yongxi Lyu, Jingping Shi, Weihua Li   +3 more
doaj   +1 more source

Autonomous maneuver decision-making for a UCAV in short-range aerial combat based on an MS-DDQN algorithm

Defence Technology, 2022
To solve the problem of realizing autonomous aerial combat decision-making for unmanned combat aerial vehicles (UCAVs) rapidly and accurately in an uncertain environment, this paper proposes a decision-making method based on an improved deep ...
Yong-feng Li, Jing-ping Shi, Wei Jiang, Wei-guo Zhang, Yong-xi Lyu   +4 more
doaj   +1 more source

The Efficacy of Operational Bird Strike Prevention

Aerospace, 2021
Involving air traffic controllers and pilots into the bird strike prevention process is considered an essential step to increase aviation and avian safety.
Isabel C. Metz, Joost Ellerbroek, Thorsten Mühlhausen, Dirk Kügler, Stefan Kern, Jacco M. Hoekstra   +5 more
doaj   +1 more source

Analysis of Risk-Based Operational Bird Strike Prevention

Aerospace, 2021
Bird strike prevention in civil aviation has traditionally focused on the airport perimeter. Since the risk of especially damaging bird strikes outside the airport boundaries is rising, this paper investigates the safety potential of operational bird ...
Isabel C. Metz, Joost Ellerbroek, Thorsten Mühlhausen, Dirk Kügler, Jacco M. Hoekstra   +4 more
doaj   +1 more source

Research on Free-flight Validation Test of Stall Characteristics for Commuter Category Airplanes

Hangkong gongcheng jinzhan, 2020
It is found that the rolling characteristic after airplane stall is rapidly changed, when the wind tunnel test prediction is conducted for the small commuter category airplanes.
ZHANG Jiaqi, SU Jianbo, WANG Shifei, QIU Yuhao   +3 more
doaj   +1 more source

Development of Aerodynamic and Propulsion Models Using the Iterative Equation Error Method

Aerospace, 2023
For developing high-fidelity flight simulations, an accurate and complete representation of the aerodynamic characteristics of the aircraft is necessary.
Murat Millidere, Ferhat Akgül, Kemal Leblebicioğlu, James F. Whidborne   +3 more
doaj   +1 more source

Development and Evaluation of an Enhanced Virtual Reality Flight Simulation Tool for Airships

Aerospace, 2023
A real-time flight simulation tool is proposed using a virtual reality head-mounted display (VR-HMD) for remotely piloted airships operating in beyond-line-of-sight (BLOS) conditions.
Mohsen Rostami, Jafer Kamoonpuri, Pratik Pradhan, Joon Chung   +3 more
doaj   +1 more source

Effect of Control Parameters on Hybrid Electric Propulsion UAV Performance for Various Flight Conditions: Parametric Study

Applied Mechanics, 2023
Nowadays, great efforts of ongoing research are devoted to hybrid-electric propulsion technology that offers various benefits, such as reduced noise and pollution emissions and enhanced aircraft performance and fuel efficiency.
Amine Benmoussa, Pedro Vieira Gamboa
doaj   +1 more source