Results 71 to 80 of about 47,836 (211)
Numerical Investigation of Ventilated Cavities Around a Rudder-Equipped Axisymmetric Body
As an efficient drag reduction technique, ventilated cavity technology demonstrates significant application in underwater launch systems. This study employs numerical simulations to systematically examine the ventilated cavity flow characteristics and ...
Wanyun Xu +5 more
doaj +1 more source
AI‐Based Autonomous Sailboat Navigation: A Review
ABSTRACT This review explores the recent advancements in AI‐driven autonomous sailboat navigation, underscoring its pivotal role in ocean monitoring and real‐time maritime data collection. Drawing on an extensive range of primary and secondary sources, the study critically evaluates current challenges, innovative control algorithms, and path planning ...
Vishali Mankina +6 more
wiley +1 more source
Flight-measured X-24A lifting body control surface hinge moments and correlation with wind tunnel predictions [PDF]
Control-surface hinge-moment measurements obtained in the X-24A lifting body flight-test program are compared with results from wind-tunnel tests. The effects of variations in angle of attack, angle of sideslip, rudder bias, rudder deflection, upper-flap
Pearson, G. P. E., Tang, M. H.
core +1 more source
A UAV Air Combat Trajectory Prediction Method Based on QCNet
ABSTRACT The Unmanned Aerial Vehicle (UAV) air combat trajectory prediction algorithm facilitates strategic pre‐planning by predicting UAV flight trajectories with high accuracy, thus mitigating risks and securing advantages in intricate aerial scenarios.
Zhang Jiahui, Meng Zhijun, He Jiazheng
wiley +1 more source
Aircraft control position indicator [PDF]
An aircraft control position indicator was provided that displayed the degree of deflection of the primary flight control surfaces and the manner in which the aircraft responded.
Dennis, Dale V.
core +1 more source
The hydrodynamic performance of a rudder behind a propeller is critical for determining vessel maneuvering stability. During navigation, the coupled effects of the oblique flow angle (β) and the rudder angle (δ) significantly alter the wake velocity ...
Weiguan Chen +5 more
doaj +1 more source
Development of a safe operation capability chart as the design basis of a rudder area
Ship owners now demand a new design approach for the rudder that considers detailed design information such as maneuverability and environmental loads etc. on a quantified basis.
Youngjun You, Sewon Kim, Woojin Kim
doaj +1 more source
Independent Orbiter Assessment (IOA): Analysis of the rudder/speed brake subsystem [PDF]
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
core +1 more source
Numerical and experimental study on flutter characteristics of a wing with drag rudder
The drag rudder serves as an unconventional control surface specifically designed for flying wing aircraft. Positioned near the wingtips, the drag rudder splits to generate drag force and yawing moments, which exhibits significant nonlinear ...
Yongchang LI +6 more
doaj +1 more source
Effects of control inputs on the estimation of stability and control parameters of a light airplane [PDF]
The maximum likelihood parameter estimation technique was used to determine the values of stability and control derivatives from flight test data for a low-wing, single-engine, light airplane. Several input forms were used during the tests to investigate
Cannaday, R. L., Suit, W. T.
core +1 more source

