一种改进的加速度阻尼半主动控制策略研究*

doi:10.19562/j.chinasae.qcgc.2019.05.001

汽车工程 ›› 2019, Vol. 41 ›› Issue (5): 481-486.doi: 10.19562/j.chinasae.qcgc.2019.05.001

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一种改进的加速度阻尼半主动控制策略研究^*

郭孔辉, 王杨

吉林大学,汽车仿真与控制国家重点实验室,长春 130022

收稿日期:2018-05-11 发布日期:2019-06-05
通讯作者: 郭孔辉,教授,E-mail:guokh@jlu.edu.cn
基金资助:
国家重点研发计划(2018YFB0104804,2017YFB0103600);国家青年科学基金项目(51705186);中国汽车产业创新联合发展基金(U1664257);江西科技学院汽车服务工程及产业升级协同创新中心开放基金(16XTKFYB01)资助

A Study on Modified Acceleration-driven DampingControl Strategy for Semi-active Suspension

Guo Konghui, Wang Yang

Jilin University, State Key Laboratory of Automotive Simulation and Control, Changchun 130022

Received:2018-05-11 Published:2019-06-05

摘要/Abstract

摘要： 经典的开关型天棚控制和加速度阻尼控制各有其优缺点:天棚控制在低频区(车身振动偏频附近)控制效果较好,加速度阻尼控制则在高频区(车身振动偏频以上)控制效果较好。为能在全频域内有效地降低车辆振动加速度,以提高车辆的乘坐舒适性,提出了一种改进的加速度阻尼控制(结合了天棚控制和加速度阻尼控制的优势),并从相频的角度对上述控制方法进行理论分析,证明了提出算法的优越性。最后进行MATLAB/Simulink仿真和可控减振器的硬件在环试验,从时域和频域两方面验证了算法的有效性。

关键词: 半主动悬架, 天棚控制, 加速度阻尼控制, 全频域

Abstract: Classical on-off skyhook (SH) control and acceleration-driven damping (ADD) control have their own strong and weak points: the former has better control effects in low-frequency region (in the vicinity of offset frequency of body vibration) while the latter in high-frequency region (higher than offset frequency). For effectively reducing the vibration acceleration of vehicle in whole frequency range, a modified ADD control is proposed, which combines the advantages of both SH and ADD controls, and the above-mentioned control schemes are theoretically analyzed from the angle of phase frequency, verifying the advantage of the algorithm put forward. Finally, both MATLAB/Simulink simulation and hardware-in-the-loop test on a controllable shock absorber are conducted, validating the effectiveness of the algorithm in both time and frequency domains.

Key words: semi-active suspension, skyhook control, ADD control, whole frequency range

郭孔辉, 王杨. 一种改进的加速度阻尼半主动控制策略研究^*[J]. 汽车工程, 2019, 41(5): 481-486.

Guo Konghui, Wang Yang. A Study on Modified Acceleration-driven DampingControl Strategy for Semi-active Suspension[J]. Automotive Engineering, 2019, 41(5): 481-486.

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一种改进的加速度阻尼半主动控制策略研究^*

A Study on Modified Acceleration-driven DampingControl Strategy for Semi-active Suspension

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