采用3-RCC型并联机构的车辆座椅悬架多维减振

王杰; 毕凤荣; XUWang; 马腾; 孙浩轩

doi:10.13433/j.cnki.1003-8728.20200267

采用3-RCC型并联机构的车辆座椅悬架多维减振

doi: 10.13433/j.cnki.1003-8728.20200267

王杰^1,,
毕凤荣^{1, 2, ,},
XUWang³,
马腾²,
孙浩轩¹

1.
天津大学机械工程学院，天津　300072
2.
天津大学内燃机燃烧学国家重点实验室，天津　300072
3.
School of Aerospace，Mechanical and Manufacturing Engineering，RMIT University，Bundoora East，VIC 3083，Australia

基金项目: 天津大学-皇家墨尔本理工大学先进汽车技术联合研究中心资助项目（2016-2019）

详细信息

作者简介:
王杰（1994−），硕士研究生，研究方向为车辆NVH相关方向，jie_nvh@163.com

通讯作者:
毕凤荣，教授，博士生导师，fr_bi@tju.edu.cn

中图分类号: O328; TB535
计量
- 文章访问数: 83
- HTML全文浏览量: 27
- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2020-06-02
- 网络出版日期: 2022-03-02
- 刊出日期: 2021-11-05

Multi-dimensional Vibration Reduction of Vehicle Seat Suspension using 3-RCC Parallel Mechanism

WANG Jie^1
,,
BI Fengrong^{1, 2
, ,},
XU Wang³,
MA Teng²,
SUN Haoxuan¹

1.
School of Mechanical Engineering, Tianjin University, Tianjin 300072,China
2.
State Key Laboratory of Engines, Tianjin University, Tianjin 300072, China
3.
School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, Bundoora East, VIC 3083, Australia

摘要

摘要: 非道路车辆由于经常行驶在非铺装路面上，在行驶过程中会因路面不平、加速减速和转弯变向等情况受到多个方向的冲击振动，且这类车辆的座椅悬架不能有效地衰减此类冲击振动，而目前对于座椅悬架减振的研究多集中在被动减振与垂直方向减振，多维协同主动减振的研究相对较少。为此选用可衰减多维振动的3-RCC并联机构为座椅悬架系统，在ADAMS搭建3-RCC悬架模型的虚拟样机，并且结合主动控制原理，在MATLAB/Simulink搭建控制器，进行ADAMS与MATLAB联合仿真。仿真结果表明，3-RCC座椅悬架可实现多维协同减振，并且通过结合主动控制原理，进一步提升了驾驶员的乘坐舒适性。
- 座椅悬架 /
- 减振 /
- 主动控制 /
- 联合仿真 /
- 3-RCC并联机构
Abstract: Non-road vehicles often travel on non-paved road, therefore, they may be shocked and vibrated in multiple directions due to uneven road surface, acceleration and deceleration, as well as turning and direction change, etc. However, present seat suspension of such vehicles cannot effectively attenuate such shock vibrations. Most of current researches on the vibration reduction of seat suspensions focus on passive vibration reduction and vibration reduction in the vertical direction, and research on multi-dimensional coordinated active vibration reduction is relatively rare. To this end, the 3-RCC parallel mechanism which is able to attenuate multi-dimensional vibration is used as the seat suspension system. The virtual prototype of the 3-RCC suspension model, combined with the active control module, is built in ADAMS, and the controller is built in MATLAB/Simulink for the joint simulation of ADAMS and MATLAB. The simulation results show that the 3-RCC seat suspension can coordinate the vibration reduction in multi-dimension, and driver' s ride comfort is further improved by combining the active control module.
- seat suspension /
- vibration reduction /
- active control /
- co-simulation /
- 3-RCC

HTML全文

图 1 座椅三维模型

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图 2 3-RCC机构简图

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图 3 机构支链向量

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图 4 3-RCC型并联机构虚拟样机

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图 5 ADAMS仿真得到的支链长度的变化

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图 6 MATLAB仿真得到的支链长度的变化

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图 7 3-RCC并联机构座椅悬架虚拟样机

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图 8 随机信号响应曲线

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图 9 控制原理图

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图 10 Fuzzy_PID控制系统的Simulink流程图

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图 11 静平台加速度响应曲线

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图 12 动平台X向加速度响应曲线

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图 13 动平台Y向加速度响应曲线

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图 14 动平台Z向加速度响应曲线

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表 1 动力学模型参数

参数	量值
动平台外接圆半径	160 mm
静平台外接圆半径	275 mm
支链长度	185 mm

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表 2 模型各部分参数

主要参数	量值
动平台质量	2 kg
静平台质量	2 kg
支链阻尼	100 N·m/s
支链刚度	15000 N/m
铰链质量	0.4 kg
支链质量	1 kg
模拟人体质量	60 kg

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表 3 加速度均方根值

类别	静平台	动平台
类别	静平台	被动控制	主动控制	降低比/%
a_xw	3.836	1.164	0.609	47.7
a_yw	3.836	0.834	0.560	32.9
a_zw	3.836	1.842	0.718	61.0
a_w	8.509	2.722	1.362	50.0

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参考文献(16)

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