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http://dx.doi.org/10.22680/kasa2021.13.3.006

Lateral Stability Control for Rear Wheel Drive Vehicles Using Electronic Limited Slip Differential  

Cha, Hyunsoo (서울대학교 기계항공공학부)
Yi, Kyongsu (서울대학교 기계항공공학부)
Publication Information
Journal of Auto-vehicle Safety Association / v.13, no.3, 2021 , pp. 6-12 More about this Journal
Abstract
This paper presents a lateral stability control for rear wheel drive (RWD) vehicles using electronic limited slip differentials (eLSD). The proposed eLSD controller is designed to increase the understeer characteristic by transferring torque from the outside to inside wheel. The proposed algorithm is devised to improve the lateral responses at the steady state and transient cornering. In the steady state response, the proposed algorithm can extend the region of linear cornering response and can increase the maximum limit of available lateral acceleration. In the transient response, the proposed controller can reduce the yaw rate overshoot by increasing the understeer characteristic. The proposed algorithm has been investigated via computer simulations. In the simulation results, the performance of the proposed controller is compared with uncontrolled cases. The simulation results show that the proposed algorithm can improve the vehicle lateral stability and handling performance.
Keywords
Electronic Limited Slip Differential; Lateral Stability Control; Vehicle Dynamics;
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