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Research on Regenerative Braking Control Strategy of Distributed EV based on Braking Intention
Technical Paper
2018-01-1342
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Focusing on distributed electric vehicles with in-wheel motors, a novel regenerative braking control strategy based on braking intention is proposed. Firstly, a design scheme for the regenerative braking system is described. Four in-wheel motors and an Electro-Hydraulic Braking (EHB) system are respectively designed for regenerative braking and hydraulic braking. Then, Braking intention recognition self-learning libraries are trained based on Hidden Markov Model method, which is validated by driver-in-loop tests. According to three speed states and four braking intentions, the regenerative braking control strategy for multiple brake modes is developed. The coefficient of regenerative braking is defined to describe the intervening time and proportion of motor maximum regenerative braking. Eventually, the co-simulation results show that the proposed strategy can not only significantly improve the energy recovery capability, but also provide the coordinated control of regenerative braking and hydraulic braking, in consistence with the driver braking intention highly.
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Authors
Citation
Pan, H., Guo, X., Pei, X., Pan, J. et al., "Research on Regenerative Braking Control Strategy of Distributed EV based on Braking Intention," SAE Technical Paper 2018-01-1342, 2018, https://doi.org/10.4271/2018-01-1342.Also In
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