Impact Time Constrained Cooperative Guidance Law Design via Line-of-Sight Shaping
2021 40th Chinese Control Conference (CCC)(2021)
摘要
In this paper, impact time constrained guidance (ITCG) laws are proposed using a range-based line-of-sight (LOS) shaping strategy. The relative motion of missile and target is described in a polar coordinate, where the LOS angle can be shaped as a polynomial function of range-to-go. A third-order polynomial function is selected according to the number of constraints. Coefficients of the polynomial function are determined by the boundary conditions and solved through a simple integral equation, which facilitates the onboard implementation. Guidance command is designed in a state feedback form to track the shaped trajectory. The proposed guidance law shows advantageous features over several similar polynomial shaping based guidance laws. Multiple simulation studies demonstrate the effectiveness of the proposed guidance law.
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关键词
Impact Time,Cooperative Guidance,Trajectory Shaping
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