基于驾驶风格的电动制动液压系统的可变增压特征控制策略
Zhen Shi1, Yunbing Yan2, Sen Zhang2
1Wuhan University of Science and Technology, School of Automobile and Traffic Engineering, Wuhan, 430065, China. shiz_qc@wust.edu.cn.
Scientific reports
|November 26, 2024
概括
本研究引入了电子液压制动 (EHB) 系统的新控制策略,以适应驾驶风格的制动感. 该方法确保了精确的控制,增强智能汽车的个性化驾驶体验.
科学领域:
- 汽车工程 汽车工程
- 控制系统 控制系统
- 机械电子学是什么意思 机械电子学
背景情况:
- 电子液压制动 (EHB) 系统在智能驾驶中面临着非线性挑战.
- 个性化的驾驶要求需要可适应的制动特性.
研究的目的:
- 为EHB系统中的可变增压特征提出控制策略.
- 根据不同的驾驶风格 (运动,舒适,标准) 调整制动性能.
- 解决非线性干扰,以提高控制精度.
主要方法:
- 对EHB-booster主动制动原理的分析.
- 建立同等的动态和卡诺普摩擦模型.
- 基于车踏板参数的可变增压特性设计.
- 开发一个具有非线性补偿的可变增益多闭环控制策略.
- 通过AMESim/Simulink共模拟和车辆测试进行验证.
主要成果:
- 建议的控制策略有效地将制动性能与驾驶风格相匹配.
- 稳定状态控制误差保持在0.1 MPa.
- 在各种制动条件下表现出卓越的控制性能.
结论:
- 开发的策略为智能驾驶中个性化EBH控制提供了一个可行的解决方案.
- 它成功地减轻了高级智能驾驶系统中复杂的非线性问题.
- 这种方法提高了EHB系统的适应性和精度.
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