Results 21 to 30 of about 1,290,891 (151)

Maneuver Load Controls, Analysis and Design for Flexible Aircraft [PDF]

, 2011
L'obiettivo principale della Tesi di Dottorato è stato quello di definire metodologie numeriche per il disegno e l’analisi di un sistema di alleviazione del carico di manovra che tenga conto dell’elasticità della struttura, nonché di quantificare i ...
Paletta, Nicola
core   +1 more source

Adaptive feedforward control design for gust loads alleviation and LCO suppression

, 2014
An adaptive feedforward controller is designed for gust loads alleviation and limit cycle oscillations suppression. Two sets of basis functions, based on the finite impulse response and modified finite impulse response approaches, are investigated to ...
Wang, Yongzhi, Li, F., Li, E., Ghandchi-Therani, M., Da Ronch, A., Wang, Y., Ghandchi-Tehrani, Maryam   +6 more
core   +1 more source

Fault Tolerant Control of an Experimental Flexible Wing

Aerospace, 2019
Active control techniques are a key factor in today’s aircraft developments to reduce structural loads and thereby enable highly efficient aircraft designs.
Daniel Ossmann, Manuel Pusch
doaj   +1 more source

Integrated aeroelastic and control analysis of wind turbine blades equipped with microtabs [PDF]

, 2015
This paper presents the results of an investigation into the performance of different controllers in active load control of wind turbine blades equipped with microtabs.
Macquart, Terence, Maheri, Alireza
core   +1 more source

Gust loads alleviation of flying wing aircraft based on jet flow control

Kongqi donglixue xuebao
Due to the limitations of mechanical actuation systems, methods involving control surface deflections to address gust loads suffer from low maneuvering efficiency and limited control effectiveness. Considering the poor static stability characteristics of
Yang Mei, Zhiwei Shi, Weiyuan Zhang, Xueqi Liao, Pengyu Guo, Yuhang Xia   +5 more
doaj   +1 more source

Gust Load Alleviation Based on Active Disturbance Rejection Control for a Flying-Wing Aircraft with Circulation Control Actuators

Aerospace
Flying-wing aircraft are more susceptible to wind disturbance due to their smaller wing loading, making gust alleviation critical for flight performance and safety.
Xueqi Liao, Weilin Zhang, Zhiwei Shi, Pengyu Guo, Xing Tian, Rui Li   +5 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Gust Load Alleviation with Robust Control for a Flexible Wing

Shock and Vibration, 2016
Traditional methods for gust alleviation of aircraft are mostly proposed based on a specific flight condition. In this paper, robust control laws are designed for a large flexible wing with uncertainty in Mach number and dynamic pressure.
Xiang Liu, Qin Sun
doaj   +1 more source

Robust Control Synthesis for Gust Load Alleviation from Large Aeroelastic Models with Relaxation of Spatial Discretisation [PDF]

, 2012
04/03/14 meb. Ok to add, authors retain copyright.This paper introduces a methodology for the design of gust load control systems directly from large aeroelastic models with relaxation of spatial discretisation. A convenient state-space representation of
Ng, BF, Palacios, R, Kerrigan, EC, Graham, JMR   +3 more
core  

Active hinged wingtip for gust load alleviation and manoeuvres

, 2023
The development of lighter and more efficient transport aircraft has led to an increasedfocus on gust load alleviation. A recent consideration in aircraft design is using hinged wingtip devices to increase the aspect ratio, improving aircraft performance.
Hamed Haddad Khodaparast, Davide Balatti, Shakir Jiffri, JAMES ELLIS, Michael Friswell   +4 more
core   +1 more source