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弹道学报  2014 

带角度约束的倾斜转弯飞行器制导律设计

Keywords: 制导,角度约束,倾斜转弯飞行器,滑模变结构,控制回路

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Abstract:

针对倾斜转弯飞行器以给定角度攻击目标的要求,考虑控制回路动态特性对制导的影响,研究了带角度约束的制导律设计方法。以倾侧角和法向过载指令为控制量,建立了含控制回路动态特性的设计模型;基于该模型和多通道解耦的思想,提出带角度约束的滑模变结构制导律,通过调整趋近律参数消除抖振。理论分析表明:在初始阶段,该制导律较最优制导律对过载的需求小;通过优化制导律参数,当系统进入滑模面后,飞行器能按最优制导律命中目标。仿真表明,该制导律在满足落点和落角要求的同时,具有对过载需求分配合理、速度损失小的优点。

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