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Shock and Vibration
Volume 2017 (2017), Article ID 8153756, 9 pages
https://doi.org/10.1155/2017/8153756
Research Article

The Parameters Optimizing Design of Double Suspension Arm Torsion Bar in the Electric Sight-Seeing Car by Random Vibration Analyzing Method

1State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China
2School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen, Fujian 361024, China
3State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an Jiaotong University, No. 28, Xianning West Road, Xi’an 710049, China
4School of Economics and Management, Xiamen University of Technology, Fujian, China
5Fujian Key Laboratory of Advanced Design and Manufacture for Bus, Fujian, China

Correspondence should be addressed to Yi-Jui Chiu; nc.ude.tumx@iujiyuihc

Received 28 March 2017; Accepted 27 June 2017; Published 12 September 2017

Academic Editor: Matteo Filippi

Copyright © 2017 Shui-Ting Zhou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This study is about the impact of the performance and the sensitivity analysis for parameters of the torsion bar suspension in the electric sight-seeing car, which the authors’ laboratory designed and which is used in the authors’ university. The suspension stiffness was calculated by using the virtual work principle, the vector algebra, and tensor of finite rotation methods and was verified by the ADAMS software. Based on the random vibration analysis method, the paper analyzed the dynamic tire load (DTL), suspension working space (SWS), and comfort performance parameters. For the purpose of decreasing the displacement of the suspension and limiting the frequency of impacting the stop block, the paper examined the three parameters and optimized the basic parameters of the torsion bar. The results show that the method achieves a great effect and contributes an accurate value for the general layout design.