适应式滑动模式对变速达到法规的故障耐受性控制,用于转向电线系统
Jinwen Yang1, Yinquan Yu2, Dequan Zeng1
1School of Mechatronics and Vehicle Engineering, East China Jiaotong University, Nanchang, 330000, China.
Scientific reports
|April 14, 2025
概括
本研究介绍了一种新的适应性故障耐受性控制策略,用于转向电线系统,以提高执行器故障期间的安全性和性能. 新方法显著减少了跟踪错误,并提高了系统的稳定性.
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:
- 错误耐受性控制 (FTC) 对steer-by-wire (SBW) 系统至关重要,以确保安全性,可靠性和跟踪性能.
- 减小执行器效率的故障对SBW系统性能构成重大挑战.
- 由于执行器故障和系统干扰,现有的控制方法在跟踪准确度不足的情况下扎.
研究的目的:
- 为 SBW 系统开发先进的耐故障控制策略,以解决执行器故障.
- 在执行器故障和干扰的情况下,提高跟踪精度和系统稳定性.
- 提高转向电线系统的整体安全性和可靠性.
主要方法:
- 建立了SBW系统的分析模型,结合了电机干扰,转向反和自我调整的扭矩.
- 提出了一种可变速度达到法律适应的滑动模式容错控制 (VSRL-ASMFTC) 策略.
- 该策略将调整函数集成到达法中,并采用适应法来进行动态控制更新,通过Lyapunov标准证明稳定性.
主要成果:
- 与自适应滑动模式故障耐受控制 (ASMFTC) 相比,VSRL-ASMFTC策略将跟踪错误的根平均平方 (RMS) 降低了近40%.
- 拟议的方法证明了较轻的控制器干扰,减轻了系统聊.
- 观察到优化的反干扰能力,强大的稳定性和更好的故障耐受性效率.
结论:
- 该VSRL-ASMFTC战略有效地提高了SBW系统的故障容忍效率和跟踪性能.
- 该方法提供了一个强大的解决方案,以减轻系统的聊,并提高反干扰能力.
- 这项研究为设计安全关键汽车系统的高性能耐故障控制策略提供了基础.
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