A study of braking control strategy for hybrid electric vehicle
Lei Zhang
Abstract
Lei Zhang
Abstract
The braking of hybrid electric vehicle(HEV) is completed by the collaboration of regenerative and hydraulic braking torques.Based on the analyses of different kinds of braking control strategies for HEV,a braking control strategy based on threshold control and fuzzy control is proposed in this paper in order to realize the dynamic distribution of the total braking torques and achieve maximum braking energy recovery under the premise of automobile braking stability.The simulation results show that this control strategy has an ideal braking effect.
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The braking of hybrid electric vehicle(HEV) is completed by the collaboration of regenerative and hydraulic braking torques.Based on the analyses of different kinds of braking control strategies for HEV,a braking control strategy based on threshold control and fuzzy control is proposed in this paper in order to realize the dynamic distribution of the total braking torques and achieve maximum braking energy recovery under the premise of automobile braking stability.The simulation results show that this control strategy has an ideal braking effect.
Key concepts: Regenerative brake, Dynamic braking, Threshold braking, Engine braking, Electronic brakeforce distribution, Automotive engineering, Retarder, Electric vehicle