两级辅助漂移路径跟踪控制器,用于分布式驱动的三轴商用车辆
Xuanyu Shi1, Hai Wang1, Yingfeng Cai2
1School of Automotive and Traffic Engineering of Jiangsu University, Zhenjiang 212013, China.
ISA transactions
|August 4, 2024
概括
本研究介绍了一种用于商用车辆的两级控制器,以安全地管理高速转. 先进的系统提高了漂移期间的驾驶稳定性,并使车辆恢复到安全状态,扩大了运行限制.
科学领域:
- 汽车工程 汽车工程
- 控制系统 控制系统
- 车辆动力学 车辆动力学
背景情况:
- 商用车辆在高速行驶时面临稳定性问题,导致侧滑和轮胎和导致事故.
- 需要智能驾驶系统来超越稳定性限制,并在漂移期间保持控制.
研究的目的:
- 为分布式驱动三轴 (DDTA) 商用车辆提出一个两级辅助漂移控制器.
- 通过实现可控漂移和稳定恢复来提高驾驶安全.
主要方法:
- 利用时间变化的模型预测控制 (MPC) 进行稳定状态漂移路径跟踪.
- 根据路况实施了基于路况的两阶段控制器切换策略.
- 采用先进的辅助系统来控制曲折稳定性和重新安装轮胎.
主要成果:
- 控制策略保持了路径跟踪,即使轮胎附着度和32.09°侧滑角度.
- 车辆在漂流后成功恢复到稳定的转状态.
- 微型车辆测试验证了控制器在暂时不稳定场景中的有效性.
结论:
- 拟议的控制器扩大了商用车辆可控制的稳定性边界.
- 漂移技术证明了提高驾驶安全的工程可行性.
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