三维非线性指导规律的稳定性和实际可行性
Jiayi Yuan1, Bowen Duan1, Jianliang Ai2
1Department of Aeronautics and Astronautics, Fudan University, Handan Road 220, Shanghai, 200433, China.
Scientific reports
|July 2, 2025
概括
本研究分析了用于直线跟踪的3D非线性引导规律的稳定性. 一个新的Lyapunov函数确保了系统稳定性,并估计了飞行数据采样频率.
科学领域:
- 航空航天工程 航空航天工程
- 控制系统理论 控制系统理论
背景情况:
- 非线性指导规律对于精确控制飞机轨迹至关重要.
- 在理想和实际的飞行条件下分析稳定性存在重大挑战.
研究的目的:
- 从理论上分析3D非线性引导定律对直线跟踪的稳定性.
- 为增强稳定性分析开发一个新的Lyapunov函数.
- 导出一个模型来估计飞行数据采样频率.
主要方法:
- 使用三角形变换推导一个简化的状态空间方程.
- 关于稳定性分析的拉萨尔型利亚普诺夫函数的建议.
- 基于系统动态的采样频率估计模型的开发.
主要成果:
- 估计系统稳定性具有很大的吸引力领域.
- 理论分析证实了考虑到内环反应的稳定性.
- 成功推导出了有效的采样频率估计模型.
结论:
- 拟议的Lyapunov函数有助于对非线性指导定律进行强大的稳定性分析.
- 该方法提供了一个框架,用于在实际飞行条件下理解系统行为.
- 由此衍生的模型通过考虑采样频率,有助于准确解释飞行数据.
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