Learning prediction-correction guidance for impact time control

Liu, Zichao; Wang, Jiang; He, Shaoming; Shin, Hyo‐Sang; Tsourdos, Antonios

doi:10.1016/j.ast.2021.107187

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2024

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Cited by 25 publications

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“…Since the learning rate in Equations ( 29) and ( 32) is an initial preset value used for training, the Adam optimizer [30] adaptively adjusts this parameter during the DNN training.…”

Section: Database Trainingmentioning

confidence: 99%

Minimum-Data-Driven Guidance for Impact Angle Control

Liu,

Wang,

et al. 2024

Aerospace

Self Cite

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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.

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“…Since the learning rate in Equations ( 29) and ( 32) is an initial preset value used for training, the Adam optimizer [30] adaptively adjusts this parameter during the DNN training.…”

Section: Database Trainingmentioning

confidence: 99%