Abstract
In this paper, a novel Fuzzy Sliding Mode Control (FSMC) method is proposed to solve destabilization because of high nonlinear characteristics and parameter uncertainty of distributed drive electric vehicle when turning or changing lanes at high speed. First, 2-DOF dynamic model is built up in order to deduce the desired yaw rate and desired slip angle. Then, the Direct Yaw-moment Controller is designed by the FSMC control technique, which can ensure the lateral stability of vehicle. At last, the yaw-moment is acquired via averagely distributing the tire longitudinal forces. The results of simulation in Carsim combining with Matlab/SimuHnk demonstrate that proposed mothed have better stability performance than the linear quadratic regulator (LQR) control strategy.
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