分布式驱动电动汽车的层次横向稳定性控制策略基于扩展的卡尔曼波器和集成终端滑动模式控制
Junzhu Wang1, Youqun Zhao1, Wei Gao1,2
1College of Energy and Power, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
PloS one
|February 12, 2026
概括
本研究介绍了电动汽车的层次控制策略,使用扩展卡尔曼过 (EKF) 进行状态估计和整体终端滑动模式控制 (ITSMC) 进行直接转时刻控制 (DYC). 这提高了车辆的稳定性和安全性.
科学领域:
- 汽车工程 汽车工程
- 控制系统 控制系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 侧向稳定对于车辆安全至关重要,特别是在分布式驱动系统的电动车辆中.
- 现有的控制策略经常与状态估计的不确定性和实际扭矩分布作斗争.
研究的目的:
- 为提高分布式驱动电动汽车的侧向稳定性提出一个层次控制策略.
- 为了应对状态估计,强大的曲率时刻生成和实际扭矩实现的合挑战.
主要方法:
- 使用扩展卡尔曼波器 (EKF) 实时估计车辆状态 (侧滑角度,曲率).
- 使用集成终端滑动模式控制 (ITSMC) 设计一个直接转时刻控制 (DYC) 系统.
- 实施基于控制的最佳扭矩分配策略,用于四个车轮内电机.
主要成果:
- EKF在状态估计方面表现出高准确度.
- ITSMC-DYC控制器显著改善了横向稳定性,轨迹跟踪和驾驶安全.
- 硬件在循环 (HIL) 测试在现实的场景中验证了该战略的有效性.
结论:
- 建议的层次控制策略有效地提高了分布式驱动电动汽车的侧向稳定性.
- 综合方法克服了现有方法的局限性,提供了实际可用性.
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