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首页> 外文期刊>Journal of guidance, control, and dynamics >Automatic Aircraft Loss-of-Control Prevention by Bandwidth Adaptation
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Automatic Aircraft Loss-of-Control Prevention by Bandwidth Adaptation

机译：通过带宽自适应自动防止飞机失控

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摘要

An automatic aircraft loss-of-control prevention system by bandwidth adaptation is presented in this paper. The adaptation law employs the time-varying parallel differential eigenvalues for a tradeoff between tracking performance and severe wind tolerance capability in real time. It is implemented as an augmentation to a 6-DOF trajectory tracking controller designed with constant gains by the singular perturbation (timescale separation) principle in a multiple-timescale nested-loop architecture. Theoretical analysis is presented to justify the design rationale. It relates the ratio of timescale separation between the inner and outer loop (singular perturbation) to the phase margin of the outer-loop (perturbed) system, which is important in its own right Simulation studies on tail wind, headwind, crosswind, downdraft, and updraft are presented to demonstrate the effectiveness of the proposed loss-of-control prevention strategy.
机译：提出了一种基于带宽自适应的自动飞机失控预防系统。自适应定律采用时变并行微分特征值在实时跟踪性能和严格的抗风能力之间进行权衡。它被实现为对6自由度轨迹跟踪控制器的增强，该控制器通过多时标嵌套循环体系结构中的奇异摄动（时标分离）原理以恒定增益设计。进行理论分析以证明设计原理的合理性。它将内圈和外圈之间的时间刻度间隔（奇异摄动）的比例与外圈（扰动）系统的相位裕度相关联，这在其本身的仿真研究中非常重要，包括尾风，逆风，侧风，顺风，和上升气流被提出来证明所提出的失控预防策略的有效性。

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