A coordinate-aware Mamba2 framework for remaining useful life prediction of lithium-ion battery
Longqing He , Ming Zhang , Sujuan Huang , Zongyang Jing , Wenqing Wei , Kai Wang
ENG. Chem. Eng. ›› 2026, Vol. 20 ›› Issue (9) : 72
To address the limitations of existing methods in capturing long-term temporal dependencies, local capacity regeneration, and nonlinear degradation characteristics in lithium-ion battery remaining useful life prediction, this paper proposes a coordinate-aware Mamba2 framework based on state-space modeling. Mamba2 is adopted as the backbone to model long-range degradation evolution, while a coordinate feature attention network is introduced in the feature extraction stage to enhance the selection and representation of key degradation information. Additionally, a swiGLU-gated residual network is constructed for feature transformation and prediction, improving the modeling of complex dynamic relationships and endpoint stability. Through the collaborative design of these modules, the proposed framework effectively captures both global degradation trends and local fluctuation patterns. Experiments were conducted on the National Aeronautics and Space Administration, Tongji University, and Xi’an Jiaotong University datasets under single-variable input, multi-variable input, and cross-dataset generalization settings. The mean absolute error values are lower than 0.0098, 0.0016, and 0.0083, while the root mean square error values are lower than 0.0172, 0.0024, and 0.0111, respectively. Results demonstrate that coordinate-aware Mamba2 achieves superior accuracy, lower computational cost, faster training and inference, and stronger robustness to different prediction starting points.
remaining lifespan prediction / lithium-ion battery / Mamba2 / coordinate attention / state-space model
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Higher Education Press
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