具有状态约束的主动悬架系统的自适应控制
Adaptive Control for Active Suspension Systems with State Constraints
DOI: 10.12677/DSC.2018.74034, PDF,  被引量    国家自然科学基金支持
作者: 刘 磊, 袁凤仪:辽宁工业大学,理学院,辽宁 锦州
关键词: 主动悬架系统神经网络自适应控制执行器饱和约束控制Active Suspension Systems Neural Networks Adaptive Control Actuator Saturation Constraint Control
摘要: 本文针对主动悬架系统,研究了其基于神经网络的自适应控制问题,其中,神经网络用来逼近系统中的不确定项。考虑到行驶过程中,乘客的舒适性以及车辆的安全性,要求系统状态满足一定的约束条件,基于backstepping技术和障碍李雅普诺夫函数方法,解决了此约束问题。同时,考虑到执行器饱和的问题,本文的执行器要求在一定约束范围内,通过引入辅助系统,抵消了饱和带来的影响。最后,仿真结果说明了本文所提方法的有效性。
Abstract: This paper studies the neural-network-based adaptive control problem for the active suspension systems, in which the neural networks are employed to approximate the system unknown terms. Considering the comfort of the passengers and the safety of the vehicle, the system states are re-quired to satisfy some certain constraint conditions. In order to solve this problem, the backstep-ping technique and the Barrier Lyapunov function method are used. Meanwhile, considering the actuator saturation problem, the actuator in this paper needs to satisfy some constraints, and the effectiveness caused by actuator saturation is counteracted by introducing an auxiliary system. Finally, the simulation results explain the effectiveness of the proposed method.
文章引用:刘磊, 袁凤仪. 具有状态约束的主动悬架系统的自适应控制[J]. 动力系统与控制, 2018, 7(4): 298-309. https://doi.org/10.12677/DSC.2018.74034

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