The interaction between driveline control and anti-lock braking system (ABS) control in electric vehicles (EV) was investigated based on multi-body dynamics (MBD) model and control model co-simulation. Two primary driveline control algorithms, active damping control and wheel flare control, were integrated with ABS control in Simulink model and the influence on ABS control was studied. The event for high mu to low mu transition was simulated. When ABS control is active on low mu surface, the vehicle shows large wheel slip and long duration time before wheel speed returns to stable control. This performance could be improved with activating driveline control. Deceleration uniformity metric shows that active damping control has very small effect when ABS control becomes stable after passing through the high mu to low mu transition period. Driveline damping control can help to reduce vibration, but it is difficult to find satisfied tuning for wheel speed performance. Wheel flare control can help to reduce the large wheel slip more effectively than ABS control. With proper tuning in ABS control, it can achieve smooth transition between wheel flare control and ABS control. Variation study on different brake torque level and different mu surface shows the performance is robust.
Driveline Control Influence when ABS Active
Sae Technical Papers
WCX SAE World Congress Experience ; 2023
2023-04-11
Conference paper
English
Driveline Control Influence when ABS Active
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