Vehicle Handling Improvement with Steer-by-Wire System Using Hardware in the Loop Method

 

V. Tavoosi*, R. Kazemi and S. M. Hosseini

 

Department of Mechanical Engineering, K.N.Toosi University of Technology, Tehran, Iran. *vtavoosi@gmail.com

 

ABSTRACT

In this paper, a control algorithm for improving vehicle handling has been proposed by applying correction angle to the steered wheel, based on the optimal and adaptive theory using Simulink MATLAB software. A 4DOF model with nonlinear tire and SBW subsystem is presented using hardware in the loop method. Since some space variables cannot be measured, an estimator is used to extract the measurable variables from the simulated model and convert them to the required variables of the controller. These variables are transmitted to the controller and then it adopts itself with new conditions and applies the best modification on the steering. The results reveal that the proposed controller can significantly improve vehicle handling during severe maneuvers.

Keywords: Handling; vehicle; steer-by-wire; controller; hardware in the loop method.

 

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