Results 41 to 50 of about 10,566 (258)

Full-Scale Simulation and Experimental Study of Heat Transfer in Landing Gear Brake Discs for Medium-Sized Passenger Aircraft

open access: yesApplied Sciences
Aircraft brake discs undergo rapid temperature rises during braking, critically impacting safety, lifespan, and adjacent components. Therefore, it is particularly important to study the heat transfer mechanism during the braking process and predict the ...
Qingtang Meng   +3 more
doaj   +1 more source

Robust Reinforcement Learning Control Framework for a Quadrotor Unmanned Aerial Vehicle Using Critic Neural Network

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai   +3 more
wiley   +1 more source

Modeling the service life of temporary airfield operational surfaces under multi-pass aircraft trafficking

open access: yesTransportation Engineering
Expeditionary Airfield (EAF) surfacing systems are designed to create temporary aircraft operating surfaces. Modeling the service life of EAF surfacing systems including the matting system, aircraft, and subgrade, has historically proven difficult ...
R.P. Kinser   +5 more
doaj   +1 more source

High‐Speed Altitude Regulation With Neuromorphic Camera and Lightweight Embedded Computation

open access: yesAdvanced Intelligent Systems, EarlyView.
Neuromorphic cameras deliver rapid, high‐dynamic‐range sensing but overwhelm embedded processors at high speeds. This work presents a lightweight, optimized Lucas–Kanade optical flow method with parallelization, gyroscopic derotation, and adaptive event slicing.
Simon L. Jeger   +3 more
wiley   +1 more source

Digital collaborative exploration and practice of ground vibration test for full-scale aircraft

open access: yesHangkong gongcheng jinzhan
The ground vibration test of full-scale aircraft has the characteristics of multiple coordination units, complex system, long implementation time and high risk.
BAI Chunyu, LIANG Sen, SONG Qiaozhi
doaj   +1 more source

Does a fighter pilot live in the danger zone? A risk assessment applied to military aviation

open access: yesTransportation Research Interdisciplinary Perspectives, 2020
Military aviation is different compared to civil aviation. The two main differences are the operational environment and aircraft characteristics. The United States Air Force (USAF) conducts a range of military operations from rescue missions to full ...
Daniel Alberto Pamplona   +1 more
doaj   +1 more source

Deep Learning Approaches for Classifying Crack States With Overload and Predicting Fatigue Parameters in a Titanium Alloy

open access: yesAdvanced Intelligent Systems, EarlyView.
This study proposes a deep learning approach to evaluate the fatigue crack behavior in metals under overload conditions. Using digital image correlation to capture the strain near crack tips, convolutional neural networks classify crack states as normal, overload, or recovery, and accurately predict fatigue parameters.
Seon Du Choi   +5 more
wiley   +1 more source

On the Dynamic Response Prediction at the Full-Scale Test of Aircraft Component

open access: yesTransport and Aerospace Engineering, 2017
Abstract Several general effects of boundary conditions and their adequate description at structural dynamic computational simulation constitute the main subject of the discussion. First, an analytical model of elastically supported beam was considered to evaluate the effects of support compliance to the basic dynamic characteristics.
Pavelko, Vitālijs, Nevskij, Aleksandr
openaire   +2 more sources

Progress of active flow control aircraft adopting rudderless flight control and STOL

open access: yesAdvances in Aerodynamics
Active flow control aircraft (AFCA) represent a significant development direction in next-generation aircraft design. Among them, rudderless flight control (RFC) and short takeoff and landing (STOL) are gaining widespread attentions and are gradually ...
Zhijie Zhao   +6 more
doaj   +1 more source

Interchangeable Visual Inertial LiDAR Odometry and Mapping Payload Unit for Aerial Vehicles

open access: yesIEEE Access
This paper presents an aeronautical-grade payload unit designed for real-time execution of visual-inertial-LiDAR odometry and mapping (VILOAM) algorithms.
Ravindu G. Thalagala   +6 more
doaj   +1 more source

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