| DESIGN OF REGENERATIVE ANTI-LOCK BRAKING SYSTEM CONTROLLER FOR 4 IN-WHEEL-MOTOR DRIVE ELECTRIC VEHICLE WITH ROAD SURFACE ESTIMATION |
| Andrei Aksjonov1, Valery Vodovozov2, Klaus Augsburg, Eduard Petlenkov2 |
1SKODA AUTO a.s.
2Tallinn University of Technology
3Technische Universit |
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| ABSTRACT |
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This paper presents a regenerative anti-lock braking system control method with road detection capability. The aim of the proposed methodology is to improve electric vehicle safety and energy economy during braking maneuvers. Vehicle body longitudinal deceleration is used to estimate a road surface. Based on the estimation results, the controller generates an appropriate braking torque to keep an optimal for various road surfaces wheel slip and to regenerate for a given motor the maximum possible amount of energy during vehicle deceleration. A fuzzy logic controller is applied to fulfill the task. The control method is tested on a four in-wheel-motor drive sport utility electric vehicle model. The model is constructed and parametrized according to the specifications provided by the vehicle manufacturer. The simulation results conducted on different road surfaces, including dry, wet and icy, are introduced. |
| Key Words:
Fuzzy control, Anti-lock braking system, Electric vehicles, Vehicle dynamics, Vehicle safety |
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