Influences of the Front Wheel Steering Angle on Vehicle Handling and Stability and a Control Theory of Steady-state

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Chuanbo Ren 1,* Cuicui Zhang 1 Lin Liu 1

1. School of Traffic and Vehicle Engineering, Shandong University of Technology, Zibo, China

* Corresponding author.


Received: 23 Jul. 2010 / Revised: 25 Oct. 2010 / Accepted: 16 Jan. 2011 / Published: 8 Jun. 2011

Index Terms

Two-degrees-of freedom, front wheel steering angle, vehicle handling and stability, matlab, control of the vehicle's steady-state


In this paper, motion differential equation of the two degrees of freedom(2-DOF) vehicle is established based on the linear two degrees of freedom vehicle model and is derived without simplifying the front wheel steering angle(FWSA), then we analyze the vehicle's steady-state response , transient response and the amplitude-frequency characteristic of yaw velocity under different FWSA with the help of the matlab software and finally compare the results with the simplified ones to determine how the FWSA influences the level of the vehicle handling and stability(VHS). At the same time in order to better improve the VHS, this paper proposes a set of active control theory to optimize vehicle’s steady-state performance.The results show that: while the FWSA is small, it has a less influence on vehicle handling and stability, the FWSA is large,it has a greater influence on vehicle handling and stability and the active control can make the vehicle in the best response state when it is in the steady-state.

Cite This Paper

Chuanbo Ren, Cuicui Zhang, Lin Liu, "Influences of the Front Wheel Steering Angle on Vehicle Handling and Stability and a Control Theory of Steady-state", International Journal of Intelligent Systems and Applications(IJISA), vol.3, no.4, pp.56-62, 2011. DOI:10.5815/ijisa.2011.04.08


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