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최적 노면 마찰력 기반 Anti-lock Braking System 제어
하진우(Jinwoo Ha),유세선(Sesun You),김원희(Wonhee Kim) 한국자동차공학회 2022 한국자동차공학회 부문종합 학술대회 Vol.2022 No.6
In this paper, we propose new anti-lock braking system(ABS) control technique using wheel cylinder pressure control. In the proposed control algorithm, the extended state observer estimates the longitudinal tire-road friction forces. Using these estimated value, the longitudinal tire-road friction forces are optimized by directly controlling wheel cylinder pressure based on the friction’s behavior. The performance of the proposed method is validated via hardware-in-the-loop simulation by using MATLAB/Simulink, Carsim and dSPACE vector tool for snow road. The proposed method presents a new method rather than slip ratio based control and can be further developed through various optimization algorithms.