含时滞天棚阻尼半主动悬架建模及稳定性分析

付文强; 庞辉; 刘凯

doi:10.13433/j.cnki.1003-8728.2017.0209

含时滞天棚阻尼半主动悬架建模及稳定性分析

doi: 10.13433/j.cnki.1003-8728.2017.0209

1.
西安理工大学机械与精密仪器工程学院, 西安 710048

基金项目:

国家自然科学基金项目（51305342）、陕西省自然科学基金项目（2014JQ7240）、陕西省教育厅科研计划项目（2013JK1027）及校博士科研计划项目（102-211204）资助

详细信息

作者简介:
付文强(1988-),硕士研究生,研究方向为车辆工程、车辆含时滞悬架系统动力学控制与稳定性研究,jiuyifan@163.com

通讯作者:
庞辉(联系人),副教授,博士后,huipang@163.com

计量
- 文章访问数: 187
- HTML全文浏览量: 38
- PDF下载量: 5
- 被引次数: 0
出版历程
- 收稿日期: 2015-06-17
- 刊出日期: 2017-02-05

Modeling and Stability Analysis of Semi-active Suspension with Sky-hook Damper Coefficients Considering Time Delay

1.
School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China

摘要

摘要: 为研究时滞对天棚阻尼半主动悬架动态特性及稳定性的影响，建立含时滞的二自由度半主动悬架模型，运用稳定性判据对该悬架系统进行时滞稳定性分析，提出悬架失稳临界时滞及其稳定裕度求取的分析理论及其计算方法；利用数值解法求出悬架系统临界时滞，得到不同基值阻尼和天棚阻尼增益下悬架系统失稳的临界时滞量及全（非全）时滞稳定域；通过建立含时滞半主动悬架系统仿真模型，分析得到时滞对悬架系统动特性及稳定性的影响规律。
- 时滞 /
- 半主动悬架 /
- 稳定性 /
- 反馈增益
Abstract: In order to study the impact of time delay on the dynamic characteristics and stability of semi-active suspension with sky-hook damping, the 2-DOF mathematic model of semi-active suspension with time delay is first established, then the stability analysis method of the critical time delay of the semi-active suspension and the stability margin are presented based on stability theory. The critical time-delay value is solved by using numerical method, moreover, the critical time delay resulting in instability of the semi-active suspension and the stable areas for non-arbitrary and arbitrary time delay are obtained under various passive damping coefficients and the feedback gains of sky-hook damping coefficients. The simulation model of semi-active suspension with time delay is built, and the influence rules on dynamic performances and stability of the suspension are obtained.
- time delay /
- semi-active suspension /
- stability /
- feedback gain

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参考文献(15)

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