Academic Journal of Engineering and Technology Science, 2018, 1(1); doi: 10.25236/AJETS.920007.

## Analysis and Majorization of FSAE Racing Car Steering Trapezoid Based on Ackerman Principle

Author(s)

Hanqi Wang, Bo Wu*, Xiaolong Cheng, Yongjun Mao

Corresponding Author:
Bo Wu
Affiliation(s)

School of Mechanical & Power Engineering, Harbin University of Science and Technology, Harbin 150006, China
*Corresponding Author

### Abstract

In order to enhance steering behavior of FSAE racing car, we built a mathematical model of the post-disconnected steering trapezoid. We established the objective function by using the modified ideal Ackerman steering formula and the geometric relationship between the actual inner and outer corners. And we established a constraint equation aiming at the operational convenience of the steering mechanism. Then, within the boundary of the design variables, the initial values of the design variables are continuously changed by MATLAB to find the design variable parameters that satisfy the fatigue strength, and the actual internal and external angle relationship is maximally close to the ideal Ackerman steering. Meanwhile we simulated the dynamic change of the toe angle of the parallel two-wheeled beating by using ADAMS, so that the car can meet the stability requirement.

### Keywords

FSAE, steering trapezoid, Ackerman principle, majorization design

### Cite This Paper

Hanqi Wang, Bo Wu, Xiaolong Cheng, Yongjun Mao. Analysis and Majorization of FSAE Racing Car Steering Trapezoid Based on Ackerman Principle. Academic Journal of Engineering and Technology Science (2018) Vol. 1: 63-75.

### References

[1] Jilin University, Wang Wangyu. Automotive design [M]. The third edition. Beijing: China Machine Press, 2016.
[2] Zhang Xiangbo, He Yaohua. Optimization and simulation of trapezoid steering of rear wheel of FSAE [J]. Automation & Instrumentation, 2017(12):48-54.
[3] Song Xueqian, Zhou Yuebin, Huang Cheng. Analysis and Optimization of FSAE Racing Steering Structure Parameters [J]. Equipment Manufacturing Technology, 2018(07):73-75+87.
[4] Shao Fei, Li Chuanchang, Xu Huayuan. Design and Optimization of FSAE Racing Car Steering Trapezoid [J]. Journal of Shanghai University of Engineering and Technology, 2018(1).
[5] Zhang Kai, Chen Pan. Joint Optimization Design of FSAE Racing Car Steering Trapezoid [J].  Shaanxi Auto, 2015(4):72-74.
[6] Organizing committee of rules of China formula university car race. 2018 Chinese Formula Student Car Competition Entry Manual [R]. Beijing: SAEC, 2018.
[7] Beijing Institute of Technology, Wang Jian. Formula university racing design [M]. The first edition. Beijing: Beijing Institute of Technology Press, 2016.
[8] Southeast University Mechanical Engineering Group, Zheng Wenwei. Principle of Mechanics [M]. The seventh edition. Beijing: Higher Education Press, 1997.