The simulation and optimization of vehicle ride comfort based on vehicle dynamic model with five degrees of freedom

被引：0

作者：

Liu, Hao ^{[1
,2
]}

Zhou, Hong ^{[1
,2
]}

Chen, Junjie ^{[3
]}

机构：

[1] Tongji Univ, Automot Sch, Shanghai 201804, Peoples R China

[2] Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China

[3] Proving Ground Construct Machinery & Refit Mil Ve, Beijing 102100, Peoples R China

来源：

2014 33RD CHINESE CONTROL CONFERENCE (CCC) | 2014年

关键词：

Ride Comfort; MATLAB/Simulink; SQP; Optimization;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper describes the current research situation of automotive ride comfort from two aspects of experimental and simulation. The dynamics model with five degrees of freedom of a bus is established, meanwhile the kinetic equations is also derived according to D'Alembert principle. A road simulation model of class B is also established on the basis of white noise method. Combined with vehicle model and road model, the model of Matlab/Simulink is built. The vertical acceleration RMS on the seat is objective function and stiffness and damping of front and rear suspension are optimization variables. On the basis of GB/T4970-2009, the acceleration RMS is optimized in the speed interval of 50km /h and 100km /h. After been optimized, the RMS is reduced by about 10% and the effect is obvious at 60km /h.

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页码：7623 / 7627

页数：5