Modal Analysis and Optimization of Vehicle Steering System

doi:10.12141/j.issn.1000-565X.190063

Journal of South China University of Technology(Natural Science Edition) ›› 2019, Vol. 47 ›› Issue (9): 83-89.doi: 10.12141/j.issn.1000-565X.190063

• Traffic & Transportation Engineering • Previous Articles Next Articles

Modal Analysis and Optimization of Vehicle Steering System

TANG Liang¹ LI Yi¹ ZHANG Zhirui² CHENG Yiming¹ SHANGGUAN Wenbin³

1． School of Technology，Beijing Forestry University，Beijing 100083，China; 2． Shanghai Towin Automobile Technology Co．，Ltd．，Shanghai 201204，China; 3． School of Mechanical and Automotive Engineering，South China University of Technology，Guangzhou 510640，Guangdong，China

Received:2019-02-26 Revised:2019-05-01 Online:2019-09-25 Published:2019-08-01
Contact: 唐亮(1981-)，女，副教授，博士后，主要从事汽车碰撞安全研究． E-mail:happyliang@bjfu.edu.cn
About author:唐亮(1981-)，女，副教授，博士后，主要从事汽车碰撞安全研究．
Supported by:
Supported by the National Natural Science Foundation of China(51605032)

Abstract

Abstract: The idle vibration of steering wheel in the vehicle steering system is an important index to evaluate its comfort． A calculation method of steering system's natural frequency was put forward． Through sensitivity analysis， the thicknesses of five sheet metal parts at the upper and lower connections of steering system was determined as the design variables． Based on the combination of response surface model and sequential quadratic programming algo- rithm，the modal optimization method of steering system was presented． The first-order natural frequency of the system increased by 2. 66 Hz when the mass of the steering system increased by 0. 14 kg． The steering system mo- dal analysis and the proposed optimization method can provide certain guidance for steering system design．

Key words: steering system, finite element analysis, Hammersley experiment, response surface model

CLC Number:

U463.46

TANG Liang LI Yi ZHANG Zhirui CHENG Yiming SHANGGUAN Wenbin. Modal Analysis and Optimization of Vehicle Steering System[J]. Journal of South China University of Technology(Natural Science Edition), 2019, 47(9): 83-89.

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Modal Analysis and Optimization of Vehicle Steering System

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