Abstract
Regenerative braking technique, which can improve the efficiency of energy conversion and increase the driving range, is one of the key technologies of core competitiveness of electric vehicles (EVs). In this paper, a novel control strategy of regenerative braking is proposed based on a novel definition method of braking intensity, which is applied to all braking condition. Then, according to the slope information, the dynamic distribution algorithm of the front and rear axle is presented. Next, based on logic threshold control algorithm with the input of z and I, the distribution relationship between electric and mechanical braking is determined. Finally, the effectiveness of the proposed control strategy has been validated in MATLAB/Simulink. Simulation results show that the modified control strategy is effective on road conditions with different slope.
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