Anti-acceleration Saturation Terminal Guidance Law Based on LSTM

Missile acceleration saturation in a practical terminal guidance process may significantly reduce the interception performance. To solve this problem, this paper presents an anti-saturation guidance law with finite-time convergence for a three dimensional maneuvering interception. The finite time bo...

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Vydáno v:Transactions of Nanjing University of Aeronautics & Astronautics Ročník 42; číslo 4; s. 541 - 553
Hlavní autoři: Li, Guilin, Zhou, Wei, Zhang, Jiaru
Médium: Journal Article
Jazyk:čínština
angličtina
Vydáno: Nanjing Nanjing University of Aeronautics and Astronautics 01.08.2025
Editorial Office of Transactions of Nanjing University of Aeronautics and Astronautics
Témata:
anti-acceleration saturation
finite-time boundedness （ftb）
input-output finite time stability （io-fts）
Jamming performance
long short-term memory network （lstm）
Maneuvering targets
Missile control
Missile tracking
Nonlinear systems
Terminal guidance
terminal guidance law
Tracking
ISSN:1005-1120
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Shrnutí:Missile acceleration saturation in a practical terminal guidance process may significantly reduce the interception performance. To solve this problem, this paper presents an anti-saturation guidance law with finite-time convergence for a three dimensional maneuvering interception. The finite time boundedness（FTB） theory and the input-output finite time stability（IO-FTS） theory are used, as well as the long short-term memory（LSTM） network. A sufficient condition for FTB and IO-FTS of a class of nonlinear systems is given. Then, an anti-acceleration saturation missile terminal guidance law based on LSTM, namely LSTM-ASGL, is designed. It can effectively suppress the effect of acceleration saturation to track the maneuvering target more accurately in the complex dynamic environment. The excellent performance of LSTM-ASGL in different maneuvering target scenarios is verified by simulation. The simulation results show that the guidance law successfully prevents acceleration saturation and improves the tracking ability of the missile system to the maneuvering target. It is also shown that LSTM-ASGL has good generalization and anti-jamming performance, and consumes less energy than the anti-acceleration saturation terminal guidance law.
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ISSN:1005-1120
DOI:10.16356/j.1005-1120.2025.04.009