倾翼垂直起降无人机配置:飞行动力学建模和过渡控制仿真

A. C. Daud Filho, E. Belo
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引用次数: 0

摘要

提出了一种垂直起降无人机(VTOL UAV)构型,并对其悬停到巡航、巡航到悬停的飞行过程进行了数值模拟。它可以倾斜鸭翼和机翼与两个附加的螺旋桨。另外,两个固定的前螺旋桨指向上方。推导了该概念飞行器的多体运动方程,用于计算悬停到巡航构型的飞行过渡轨迹。在此基础上,提出了一种基于增益调度的过渡控制算法,该算法使飞机在从悬停加速到巡航的过程中保持稳定,随着稳定代价函数阈值的达到,机翼随螺旋桨逐渐倾斜,在平衡状态之间依次切换。对概念飞机模型的过渡控制算法进行了数值仿真。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A tilt-wing VTOL UAV configuration: Flight dynamics modelling and transition control simulation
This paper aims to present a vertical take-off and landing unmanned aerial vehicle (VTOL UAV) configuration and numerically simulate its flight transition from hover to cruise and from cruise to hover. It can tilt the canard and wing along with two attached propellers. Additionally, two fixed front propellers are pointing upwards. Multi-body equations of motion are derived for this concept of aircraft, which are used to compute the flight transition trajectory from hover to cruise configuration. Furthermore, a transition control algorithm based on gain scheduling is described, which stabilises the aircraft while it accelerates from hover to cruise, gradually tilting the wing along with its propellers, sequentially switching between equilibrium states, as the stability cost functions thresholds are reached. The transition control algorithm of the conceptual aircraft model is numerically simulated.
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