Impact angle constraint guidance law using fully-actuated system approach

Chen Shiwei; Wang Wei; Fan JunfangJi Yi

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Impact angle constraint guidance law using fully-actuated system approach

机译：Impact angle constraint guidance law using fully-actuated system approach

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摘要

Aiming at the terminal impact-angle constraint in the interception of large maneuvering targets, this paper proposes a three-dimensional (3D) interception guidance law combined with the high-order fully-actuated system approach and the cascaded linear extended state observer (LESO). First, a complete second-order nonlinear model with full actuated characteristics is developed for the missile-target relative dynamics without small-angle assumption. Subsequently, the nonlinear system is transformed into a quasi-feedback system, and then, a high-order fully-actuated model is developed. A cascaded LESO able to estimate the system state and target maneuver information is introduced, and the controller is designed to convert the closed-loop system into a linear time-invariant closed-loop system with the desired characteristic structure, which makes the closed-loop system have the desired closed-loop poles. Finally, the controller parameter matrix is solved using the desired closed-loop poles, and the convergence is validated by the Lyapunov stability theory. Consequently, the linearization of the 3D nonlinear system is realized, and the channel coupling is eliminated. The effectiveness of the proposed method is verified by simulation and analysis.

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来源
《Aerospace science and technology》 |2023年第5期|108220.1-108220.15|共15页
作者
Chen Shiwei; Wang Wei; Fan JunfangJi Yi;
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作者单位

School of Aerospace Engineering, Beijing Institute of Technology, 100081, China ,Beijing Key Laboratory of UAV Autonomous Control, Beijing Institute of Technology, Beijing 100081, China;

Beijing Key Laboratory of High Dynamic Navigation Technology, Beijing Information Science & Technology University, Beijing 100192, China ,School of Automation, Beijing Information Science & Technology University, 100192, China;

School of Automation, Beijing Information Science & Technology University, 100192, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
High-order fully-actuated system; Cascaded LESO; Angle constraint; Channel decoupling;

Impact angle constraint guidance law using fully-actuated system approach

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