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Dynamical Modeling and Boundary Vibration Control of a Rigid-Flexible Wing System

机译:刚性翼形系统的动态建模与边界振动控制

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摘要

A boundary control approach is used to control a two-link rigid-flexible wing in this article. Its design is based on the principle of bionics to improve the mobility and the flexibility of aircraft. First, a series of partial differential equations (PDEs) and ordinary differential equations (ODEs) are derived through the Hamilton's principle. These PDEs and ODEs describe the governing equations and the boundary conditions of the system, respectively. Then, a control strategy is developed to achieve the objectives including restraining the vibrations in bending and twisting deflections of the flexible link of the wing and achieving the desired angular position of the wing. By using Lyapunov's direct method, the wing system is proven to be stable. The numerical simulations are carried out with the finite difference method to prove the effectiveness of designed boundary controllers.
机译:边界控制方法用于控制本文中的双连杆刚性柔性翼。其设计基于仿生学原理,以改善飞机的移动性和灵活性。首先,通过汉密尔顿的原理来源,一系列部分微分方程(PDE)和常微分方程(ODES)。这些PDE和ODES分别描述了系统的控制方程和边界条件。然后,开发了一种控制策略以实现目标,包括限制机翼的柔性连杆的弯曲和扭转偏转的振动并实现机翼的所需角位置。通过使用Lyapunov的直接方法,翼系统被证明是稳定的。数值模拟是用有限差分法进行的,以证明所设计的边界控制器的有效性。

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