Results 41 to 50 of about 47,836 (211)
Twisted rudder for reducing fuel-oil consumption
International Journal of Naval Architecture and Ocean Engineering, 2014 Three twisted rudders fit for large container ships have been developed; 1) the Z-twisted rudder that is an asymmetry type taking into consideration incoming flow angles of the propeller slipstream, 2) the ZB-twisted rudder with a rudder bulb added onto ...
Kim Jung-Hun +3 more
doaj +3 more sources
Flight Control of a Novel Distributed Tiltrotor UAV With Experiments
IET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.Considering the mode transition control of a novel distributed tiltrotor UAV, we designed a fast fixed‐time sliding mode attitude controller to improve the response speed and robustness of the control system. Furthermore, a smooth mode transition strategy is developed to guarantee the stable conversion between fixed‐wing and helicopter modes ...
Li Yu +4 more
wiley +1 more source
Motion Control of a Low-Cost Underwater Vehicle with Three-Position Cross Rudder
ActuatorsUnderwater vehicles are widely employed as platforms for marine monitoring and operations, with rudders playing a crucial role in controlling their movements.
Yang Zhang +5 more
doaj +1 more source
Simulation on Stern-Rudder Independent Control for Submarine Motion in a Vertical Plane
Cybernetics and Information Technologies, 2015 To independently control the depth and trim of the submarine, a fuzzy control method on stern-rudder is proposed, and the advantage of a single stern-rudder in low noise control is elaborated. Taking into account the character of the single stern-rudder,
Ying Xiong, Jie Hu Jun
doaj +1 more source
Study on variation in ship's forward speed under regular waves depending on rudder controller
International Journal of Naval Architecture and Ocean Engineering, 2015 The purpose of this research is to compare and analyze the advanced speed of ships with different rudder controller in wavy condition by using a simulation.
Sung-Soo Kim +5 more
doaj +1 more source
Design of space turning motion control system of X-rudder submarine
Zhongguo Jianchuan Yanjiu, 2020 [Objectives] In order to solve the problem of space turning motion control for the X-rudder submarine,a fuzzy control system for turning of the X-rudder submarine is designed by using the fuzzy control method.[Methods] A weight fuzzy system for the X ...
XIA Ji, HUANG Bin
doaj +1 more source
Thrust augmented spin recovery device [PDF]
, 1980 Yaw control surfaces were developed for a jet propelled aircraft. A thrust augmented rudder is disposed above the jet exhaust stream and a thrust rudder tab extends downward into the jet exhaust stream.
Berrier, B. L.
core +1 more source
A Hybrid A*‐APF Path Planning Method for Ships Entering the Berthing Waters
IET Intelligent Transport Systems, Volume 20, Issue 1, January/December 2026.This paper presents a two‐stage hybrid path planning approach for ship berthing: the first stage builds an accurate environmental model based on berth features and the second stage combines an improved A* algorithm (with directional consistency penalty) and the artificial potential field method to generate feasible paths and enhance local obstacle ...
Zhuo Wen +3 more
wiley +1 more source
Научный вестник МГТУ ГА, 2018 A choice of material and external geometry for gas rudder of the declination system of unmanned aerial vehicle are considered. When selecting material the main criterion is the quantity of the ablative material from the gas rudder surface in a unit of ...
A. V. Vindeker, S. G. Parafes
doaj +1 more source
Development of a co-cured composite torque shaft for rudder of high speed aircraft [PDF]
, 2008 The Carbon Fibre reinforced Composites are widely used in developing various composite parts of civil and13; military aircraft due to its high specific strength and specific stiffness.
Dharmappa, BL +3 more
core +1 more source