Results 21 to 30 of about 19,013 (214)
Non-Linear Dynamic Inversion Control Design for Rotorcraft
Aerospace, 2019 Flight control design for rotorcraft is challenging due to high-order dynamics, cross-coupling effects, and inherent instability of the flight dynamics.
Joseph F. Horn
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Reducing Helicopter Vibration Loads by Individual Blade Control with Genetic Algorithm
Machines, 2022 A rotor that can realize individual blade pitch control was designed. This paper focuses on finding the trend of helicopter vibration loads after applying multiple high-order harmonic control.
Renguo Yang +3 more
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Research on control strategy of four rotorcraft tracking ground moving target
Dianzi Jishu Yingyong, 2018 In order to enable the four rotorcraft to track the ground moving target, the spatial position control strategy of four rotorcraft is studied. Firstly, the attitude PID control of the four rotorcraft is improved and the appropriate parameters are set ...
Huang Ruimin +4 more
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Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor
International Journal of Aerospace Engineering, 2022 Electrically controlled rotor, also known as swashplateless rotor, represents an active rotor system that, due to the use of a trailing edge flap system instead of a swashplate, not only enables primary control but also conveniently reduces the blade ...
Kewei Li +3 more
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Low Reynolds Number Rotor Blade Aerodynamic Analysis
MATEC Web of Conferences, 2019 Maintaining a steady hover flight in a rotorcraft usually requires high energy input. The aim of the paper is to prove that it is possible to vastly reduce energy use in a rotorcraft by reducing the disc loading.
Tulwin Tytus
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AIP Advances, 2022 The propulsive wing is a new concept wing of automatic propulsion with high lift coefficients and has great application value in plant protection and forest fire control. The propulsive wing wake is a reverse Bénard–von Kármán (RBvK) vortex street, which
Jiaxin Lu +3 more
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An Experimental Study on Rotor Aerodynamic Noise Control Based on Active Flap Control
Aerospace, 2023 Reducing rotor aerodynamic noise is an important challenge in helicopter design. Active flap control (AFC) on rotors is an effective noise reduction method.
Zhiyuan Hu +3 more
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Tuning of ADRC for QTR in Transition Process Based on NBPO Hybrid Algorithm
IEEE Access, 2019 The quad tilt rotor (QTR) has complex dynamics characteristics, and the environmental factors have a great influence on it. This increases the difficulty of its control especially in transition mode.
Zhigang Wang +3 more
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Aerospace, 2022 The accurate prediction of helicopter rotor blade–vortex interaction (BVI) noise is challenging. This paper presents an implementation of the seventh-order improved weighted essentially non-oscillatory (WENO-Z) scheme for predicting rotor BVI noise using
Yan Sun, Yongjie Shi, Guohua Xu
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Advanced Intelligent Systems, Volume 8, Issue 3, March 2026.This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee +9 more
wiley +1 more source