车辆半主动悬架分数阶天棚阻尼控制研究

梁军; 庞辉; 陈嘉楠; 王建平

doi:10.13433/j.cnki.1003-8728.2017.1223

车辆半主动悬架分数阶天棚阻尼控制研究

doi: 10.13433/j.cnki.1003-8728.2017.1223

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）、国家自然科学基金项目（51675423）、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）及校科研基金项目（2015cx004）资助

详细信息

作者简介:
梁军(1991-),硕士研究生,研究方向为车辆控制理论与车辆动力学、悬架控制,467309779@qq.com

通讯作者:
庞辉(联系人),副教授,博士,huipang@163.com

计量
- 文章访问数: 164
- HTML全文浏览量: 36
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2016-07-04
- 刊出日期: 2017-12-15

Study on Fractional Sky-hook Damper Controller Design for Vehicle Semi-active Suspension

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

摘要

摘要: 为提高车辆行驶舒适性和减小轮胎对路面动载荷，建立二自由度天棚阻尼控制的半主动汽车悬架模型，将分数阶微积分理论应用到天棚阻尼控制的半主动汽车悬架上，采用Oustaloup数字滤波器模拟分数阶微积分，进而通过遗传算法寻找出分数阶天棚控制的最优参数。最后，建立分数阶天棚阻尼悬架系统的仿真模型，并对其进行时频域仿真分析。仿真结果表明：分数阶天棚阻尼半主动悬架在保持整数阶控制性能的前提下，在各个方面均有一定的提高和改善。
- 天棚阻尼控制 /
- 分数阶微积分 /
- 遗传算法 /
- 半主动悬架
Abstract: In order to improve vehicle ride comfort performance and reduce the tire dynamic load, the 2-DOF dynamic model of semi-active suspension system with sky-hook damping was established. Then the fractional calculus theory was applied to the semi-active suspension, and an Oustaloup digital filter algorithm was used to simulate the fractional calculus. Then the optimal parameters of the fractional order sky-hook damping controller were solved by using genetic algorithm. Finally, the simulation model of semi-active suspension with fractional order sky-hook damping control was built and analyzed in time and frequency domain. The simulation results indicate that the semi-active suspension of fractional order sky-hook damping controller can suppress resonance effectively.
- sky-hook damping control /
- fractional order calculus /
- genetic algorithm /
- semi-active suspension

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参考文献(15)

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