Author(s)

Hongkang Cheng ¹, Bo Wu ¹, Daobin He ¹

Affiliation(s)

¹ School of Mechanical & Power Engineering, Harbin University of Science and Technology, Number 52 Xuefu Drive, Harbin, China

Corresponding Author

Hongkang Cheng

ABSTRACT

The China Formula Student Car Competition has been growing in recent years. In order to improve the steering lightness and body stability of FSAE cars when driving under high-speed and multi-curve conditions. This paper constructs a three-dimensional model of suspension and steering system through CATIA according to the requirements of race rules, applies ADAMS/Car module to simulate the suspension system with two-wheel isotropic excitation, obtains the change curve of suspension performance parameters, and uses ADAMS/Insight module to optimize the unreasonable parameters through the analysis results. Based on the preliminary optimized suspension system, MATLAB is used to optimize the steering trapezoidal mechanism to make the wheel steering on both sides of the race car more closely match the ideal Ackerman geometry relationship. Finally, ANSYS is applied to finite element analysis of the important parts of the suspension and steering system to ensure that their structure and materials can meet the requirements of the whole car design.

KEYWORDS

FSAE, Racing suspension, Steering system, Optimized design, Finite element analysis

CITE THIS PAPER

Hongkang Cheng, Bo Wu, Daobin He, Optimization Design of Suspension and Steering System for FSAE Racing Car. Journal of Engineering Mechanics and Machinery (2023) Vol. 8: 67-81. DOI: http://dx.doi.org/10.23977/jemm.2023.080108.

REFERENCES

[1] Jianyu Wu. (2011). Research on the design and optimization of the suspension of Formula Student Racing Car (Master's thesis, South China University of Technology).
[2] Hang Wang, Lin Yang, Renjie Peng & Yong Feng. (2013). ADAMS-based Front Suspension Optimization Design for FSAE Racing Cars. Journal of Guangdong University of Technology (03), 105-108.
[3] Sizhong Chen, Jun Ni & Zhicheng Wu. (2012). Track-specific steering trapezoid optimization and virtual testing for formula cars. Mechanical Drives (09), 67-70.
[4] Guofei Yu, Hongwu Huang & Junhui Wu. (2009). Strength and stiffness calculation and analysis of FSAE racing car frame based on finite element. Journal of Xiamen Institute of Technology (04), 29-32. doi:10.19697/j.cnki.1673-4432. 2009. 04.006.

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