主动悬挂系统动态位移和乘坐舒适性的平衡控制

IF 2.3 3区工程技术 Q2 ACOUSTICS

Journal of Vibration and Control Pub Date : 2024-09-06 DOI:10.1177/10775463241273780

Mingde Gong, Jiaming Bi, Haoran Yang, Xueliang Xu, Tianshuo Sun

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引用次数: 0

摘要

本文旨在通过引入主动悬架的平衡控制策略，优化乘坐舒适性和悬架动态位移这两个相互冲突的性能指标。本文设计了一种基于低通滤波器的未知非线性估计器（UNE），用于精确估计弹簧和轮胎产生的未知非线性力。在所设计的控制策略中，当悬架动态位移低于设定阈值时，平衡控制器会调整乘坐舒适性，当悬架动态位移高于设定阈值时，平衡控制器会调整悬架动态位移。利用 Lyapunov 函数证明了闭环系统中所有变量的有界性。在不同路面上进行的仿真研究和比较结果表明，所设计的控制方法性能令人满意。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Balance control for dynamic displacement of active suspension and ride comfort

This paper aims to optimize the conflicting performance indicators of ride comfort and suspension dynamic displacement by introducing a balance control strategy for active suspension. An unknown nonlinear estimator (UNE) based on a low-pass filter is devised to accurately estimate the unknown nonlinear forces generated by springs and tires. In the designed control strategy, balance controller adjusts the ride comfort when the suspension dynamic displacement is lower than the set threshold, and adjusts the suspension dynamic displacement when it is higher. The boundedness of all variables in a closed-loop system is proved by Lyapunov functions. Simulation investigations and comparison results on different road surfaces are provided to show the satisfactory performance of the designed control method.

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来源期刊

Journal of Vibration and Control 工程技术-工程：机械

CiteScore

5.20

自引率

17.90%

发文量

336

审稿时长

6 months

期刊介绍： The Journal of Vibration and Control is a peer-reviewed journal of analytical, computational and experimental studies of vibration phenomena and their control. The scope encompasses all linear and nonlinear vibration phenomena and covers topics such as: vibration and control of structures and machinery, signal analysis, aeroelasticity, neural networks, structural control and acoustics, noise and noise control, waves in solids and fluids and shock waves.