导弹具有终端角度和视野限制的三维自适应动态表面引导规律
Ningyu Wang1, Xiaogang Wang1, Bin E1
1Harbin Institute of Technology, Harbin, Heilongjiang, China.
ISA transactions
|August 21, 2024
概括
本研究介绍了导弹用于拦截机动目标的自适应动态表面引导定律,考虑视野和终端角度限制. 这种新的方法提高了稳定性,并避免了有效拦截的复杂性问题.
科学领域:
- 航空航天工程 航空航天工程
- 控制系统工程 控制系统工程
- 机器人技术 机器人技术 机器人技术
背景情况:
- 在3D空间中拦截机动目标存在挑战,原因是视野 (FOV) 和终端角度等限制.
- 导弹自动驾驶员的动态和目标加速大大复杂化了导向规律的设计.
研究的目的:
- 为能够在FOV和终端角度约束下拦截机动目标的导弹设计适应性动态表面 (DSC) 引导规律.
- 为了应对导弹自动驾驶员动态,目标加速和无法测量的参数所带来的挑战.
主要方法:
- 一个时间变化的转换函数用于将FOV约束转换为输出约束.
- 为了强度,引入了一种具有死区特征的新型时间变化的不对称屏障利亚普诺夫函数 (TABLF).
- 使用非线性自适应波器来缓解与虚拟信号衍生品相关的"复杂性爆炸"问题.
- 为在线评估自动驾驶员错误,干扰和无法测量的参数而开发了一个新的自适应法.
主要成果:
- 拟议的指导法有效地处理3D合相对动力学,包括导弹自动驾驶员动力学和目标加速.
- 使用TABLF可以提高参数调节的稳定性.
- 非线性自适应波器成功地防止了计算复杂性.
- 在线适应性法律有效地弥补了系统的不确定性和干扰.
- 利亚普诺夫标准证实了闭环系统的稳定性.
结论:
- 开发的自适应DSC指导法是可行的,有效的导弹拦截机动目标在复杂的约束下.
- 与现有方法相比,该方法表现出更好的稳定性和计算效率.
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