Experimental Study on Continuous ABS Operation in Pure Regenerative Mode for Full Electric Vehicle

Authors Abstract
Anti-lock braking functions of electric vehicles with individual wheel drive can be effectively realized through the operation of in-wheel or on-board motors in the pure regenerative mode or in the blending mode with conventional electro-hydraulic anti-lock braking system (ABS). The regenerative ABS has an advantage in simultaneous improvement of active safety, energy efficiency, and driving comfort. In scope of this topic, the presented work introduces results of experimental investigations on a pure electric ABS installed on an electric powered sport utility vehicle (SUV) test platform with individual switch reluctance on-board electric motors transferring torque to the each wheel through the single-speed gearbox and half-shaft. The study presents test results of the vehicle braking on inhomogeneous low-friction surface for the case of ABS operation with front electric motors. The performed tests confirm considerable reduction of braking distance and accurate tracking of the reference slip as compared with the vehicle braking without ABS. Hence the pure electric ABS can be considered as an efficient alternative to anti-lock braking systems with friction brakes only.
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Savitski, D., Ivanov, V., Shyrokau, B., De Smet, J. et al., "Experimental Study on Continuous ABS Operation in Pure Regenerative Mode for Full Electric Vehicle," Passenger Cars - Mechanical Systems 8(1):364-369, 2015, https://doi.org/10.4271/2015-01-9109.
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May 1, 2015
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Journal Article