Nonlinear aeroservoelasticity of aircraft

被引：0
|
作者：
Huang R. [1 ]
Hu H. [1 ,2 ]
机构：
[1] State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] Key Laboratory of Dynamics and Control of Flight Vehicle, Beijing Institute of Technology, Beijing
来源：
Advances in Mechanics | 2021年 / 51卷 / 03期
关键词：
Active control; Active flutter suppression; Aeroservoelasticity; Dynamics;
D O I：
10.6052/1000-0992-21-010
中图分类号：
学科分类号：
摘要：
Advanced flight vehicles have been requiring lightweight structures and the expansion of bandwidth and authority of control systems. Hence, the coupled dynamics of the unsteady aerodynamics, the flexible aircraft structure, and the active control system have been an important research field in dynamics and control. The community of aeronautical technology has paid much attention to the aeroelastic stability and active control of aircraft since the 1980s, but has made less effort to study the effects of the aerodynamic and structural nonlinearities, as well as time delays in a control loop, on the aeroservoelastic behaviors of aircraft. The studies of these effects need to model the high-dimensional and parametric-varying dynamic systems with strong aerodynamic/structural nonlinearity, and hence, face with the coupling among unsteady aerodynamics, aircraft structure, and active control system. The cutting-edge problems include how to develop nonlinear aeroservoelastic modeling theory, how to reveal the dynamic mechanism behind the induced aeroelastic vibrations and how to carry out wind tunnel tests for aeroservoelasticity. This review article surveys the recent advances in reduced modeling of unsteady aerodynamics, nonlinear structural dynamics, design of aeroservoelastic control law, and experimental studies on aeroservoelastic systems, with an emphasis on the researches of the authors' team in nonlinear aeroservoelasticity. The article also makes a number of suggestions for studies in the future. © 2021 Advances in Mechanics.
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页码：428 / 466
页数：38
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