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Keywords = constant bias proportional navigation guidance law

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21 pages, 4639 KiB  
Article
Minimum-Data-Driven Guidance for Impact Angle Control
by Chang Liu, Jiang Wang, Hongyan Li and Weipeng Liu
Aerospace 2024, 11(5), 376; https://doi.org/10.3390/aerospace11050376 - 8 May 2024
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Abstract
This paper investigates the impact-angle-control guidance problem for varying-speed flight vehicles with constrained acceleration. A learning-based bias proportional navigation guidance (L-BPN) law is proposed to achieve impact-angle-constrained impact by constructing a deep neural network (DNN) for nonlinear mapping between the impact angle and [...] Read more.
This paper investigates the impact-angle-control guidance problem for varying-speed flight vehicles with constrained acceleration. A learning-based bias proportional navigation guidance (L-BPN) law is proposed to achieve impact-angle-constrained impact by constructing a deep neural network (DNN) for nonlinear mapping between the impact angle and the bias term. During the process of dataset establishment, the impact of state variables is evaluated by sensitivity analysis to minimize the quantity of training data. This approach also effectively accelerates sample generation and improves the training efficiency. The simulation results verify the effectiveness of the proposed L-BPN law and demonstrate its advantages over the existing algorithms. Full article
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