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arXiv 2602.03256eess.SYcs.SY
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物理信息特征对电动垂直起降飞行器锂离子电池电压预测神经网络复杂度的影响

Impact of Physics-Informed Features on Neural Network Complexity for Li-ion Battery Voltage Prediction in Electric Vertical Takeoff and Landing Aircrafts

Virtual Vehicle Research GmbH(虚拟车辆研究有限公司);Graz University of Technology(格拉茨工业大学)

Eymen Ipek, Mario Hirz

AI总结:

本文研究了将物理信息整合到数据驱动模型中对锂离子电池电压预测神经网络复杂度的影响,发现物理信息模型在保持精度的同时显著降低了计算开销。

摘要:

电动垂直起降飞行器的电气化需求高保真度的电池管理系统,能够预测在剧烈功率动态下的电压响应。虽然数据驱动模型具有高精度,但通常需要复杂的架构和大量训练数据。相反,等效电路模型(如二级模型)提供物理可解释性,但难以处理高倍率非线性。本文研究了将物理信息整合到数据驱动的替代模型中的影响。具体而言,我们评估了物理信息特征是否允许在不牺牲精度的情况下简化神经网络架构。使用开源的电动垂直起降(eVTOL)电池数据集,我们比较了纯数据驱动模型与物理信息数据模型。结果表明,物理信息模型在精度上与复杂的纯数据驱动模型相当,但使用了多达75%的可训练参数,显著减少了潜在机载部署的计算开销。

英文摘要:

The electrification of vertical takeoff and landing aircraft demands high-fidelity battery management systems capable of predicting voltage response under aggressive power dynamics. While data-driven models offer high accuracy, they often require complex architectures and extensive training data. Conversely, equivalent circuit models (ECMs), such as the second-order model, offer physical interpretability but struggle with high C-rate non-linearities. This paper investigates the impact of integrating physics-based information into data-driven surrogate models. Specifically, we evaluate whether physics-informed features allow for the simplification of neural network architectures without compromising accuracy. Using the open-source electric vertical takeoff and landing (eVTOL) battery dataset, we compare pure data-driven models against physics-informed data models. Results demonstrate that physics-informed models achieve comparable accuracy to complex pure data-driven models while using up to 75% fewer trainable parameters, significantly reducing computational overhead for potential on-board deployment.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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