电子元件与材料2025，Vol.44Issue(9)：1066-1072,7.DOI:10.14106/j.cnki.1001-2028.2025.0172
LSTM特征重构的复合Chen混沌系统与线性反馈同步
Composite Chen chaotic system with LSTM-based feature reconstruction and linear feedback synchronization
摘要
Abstract
To enhance the robustness and reliability of synchronization control in complex chaotic systems,this paper proposed an enhanced linear feedback synchronization control method that integrates the classical Chen chaotic system with a Long Short-Term Memory(LSTM)network.First,an improved chaotic dynamical model with expanded dynamic characteristics was constructed by performing nonlinear phase space reconstruction of the classical Chen system using the LSTM network.Second,chaotic characteristics were verified through phase space reconstruction,bifurcation diagrams,and Largest Lyapunov Exponent(LLE)analysis.Subsequently,an adaptive linear feedback controller based on an LLE threshold was designed,and it was proven that exponential synchronization between the master and slave systems is achieved when the gain parameter k exceeds the LLE.The results show that the reconstructed system exhibits a 17％higher LLE compared to the original system,which confirms significantly enhanced chaotic properties.At a gain parameter k=50,the synchronization error converges to zero within 0.15 s,which outperforms conventional control strategies in convergence speed.The proposed approach provides theoretical support for high-security chaotic secure communication systems and offers advantages such as a simplified controller structure,strong parameter adaptability,and high hardware compatibility.关键词
复杂混沌系统/同步控制/Chen混沌系统/LSTM/线性反馈Key words
complex chaotic systems/synchronization control/Chen chaotic system/LSTM/linear feedback分类
信息技术与安全科学引用本文复制引用
杨阳,李艳,张俊芳..LSTM特征重构的复合Chen混沌系统与线性反馈同步[J].电子元件与材料,2025,44(9):1066-1072,7.基金项目
宁夏自然科学基金(2024AAC03309) （2024AAC03309）
