整体屏障基于Lyapunov功能的固定时间集成指导和控制,具有不对称的视野角度约束
1Center for Control Theory and Guidance Technology, Harbin Institute of Technology, 150001, Harbin, China.
ISA transactions
|June 27, 2024
概括
本研究提出了一种新的导弹指导和控制方法,以克服寻找者不对称视野限制. 新的算法确保了固定时间的融合和约束的满足,提高了导弹的性能.
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
- 导航和导航的指导和导航.
背景情况:
- 传统的导弹集成指导和控制 (IGC) 方法面临着寻找者不对称视野 (FOV) 约束的挑战.
- 现有的方法通常需要复杂的解决和跟踪空气动力学角度,限制性能.
研究的目的:
- 开发一种新的IGC算法,以解决寻找者非对称FOV角度约束.
- 确保闭环系统状态的固定时间趋同,同时满足这些约束.
- 提高导弹指导的准确性和对抗不确定性的强度.
主要方法:
- 一个翼偏移控制器被用来直接控制身体的视线角率.
- 基于积分屏障莱普诺夫函数的新型固定时间收虚拟输入被设计用于约束执行.
- 一个预定义的固定时间控制器跟踪虚拟输入,具有可调的初始收速度.
- 一个固定时间的干扰观察员被用来处理像空气动力学系数和目标机动等一次性不确定性.
主要成果:
- 拟议的方法有效地驱动了车身视线角率,绕过了传统的空气动力学角度计算.
- 在整个交战过程中,保证不违反不对称的FOV角度限制.
- 封闭循环系统状态被证明在固定的时间内汇聚到一个受界区域.
- 六度自由度飞行模拟表明,拟议的算法优于现有方法.
结论:
- 开发的IGC算法成功地在固定的时间内处理寻找者的非对称FOV角度约束.
- 与传统方法相比,这种方法提供了更好的性能和稳定性.
- 算法的有效性通过全面的飞行模拟来验证.
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