噪声与振动控制 ›› 2018, Vol. 38 ›› Issue (4): 12-17.DOI: 10.3969/j.issn.1006-1355.2018.04.003

• 振动理论与数值解法 • 上一篇    下一篇

车辆主动座椅悬架的天棚反步控制器设计

赵强张娜   

  1. (东北林业大学交通学院,哈尔滨 150040)
  • 收稿日期:2017-11-10 修回日期:2018-01-23 出版日期:2018-08-18 发布日期:2018-08-18
  • 通讯作者: 张娜

A Fault Feature Extraction Method for Reciprocating Compressor Bearings based onWavelet Packet Fuzzy Entropy

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  • Received:2017-11-10 Revised:2018-01-23 Online:2018-08-18 Published:2018-08-18

摘要:

为提高车辆的乘坐舒适度,针对车辆主动座椅悬架提出一种新的基于近似天棚阻尼参考模型的反步控制方法。在建立并分析 1/4车辆座椅悬架动力学模型的基础上,把近似天棚阻尼系统作为参考模型,将实际被控系统和参考模型之间的动态误差引入到反步的思想中,在保证系统达到一致渐进稳定的前提下,通过反步设计方法完成控制器设计 ,最终获得基于加速度反馈的实时作动力。最后通过与 PID和被动悬架仿真结果的对比,证明该系统的动态误差是指数渐近稳定的,且该方法可明显增强车辆座椅悬架系统减振效果,所提出的反步控制方法对于座椅悬架的实际控制具有参考价值。

关键词: 振动与波, 主动座椅悬架, 天棚反步控制器, 误差动力学, 稳定性

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