Regenerative Braking Control Strategy for Parallel Hybrid Electric Vehicle
Sun Penglong
Abstract
Sun Penglong
Abstract
According to the distribution problem between mechanical braking force and electric regenerative braking force in hybrid electric vehicle braking process,a regenerative braking control strategy for parallel hybrid electric vehicle(PHEV) with maximum braking energy recovery was developed while considering the requirement of braking stability.The vehicle model of control system was established in ADVISOR.The results show that the rate of braking energy recovery is increased by 22.8%,fuel economy is increased by 4.7% and CO emission is reduced by 4.4%,compared with the original control strategy with fixed ratio of braking force distribution.
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According to the distribution problem between mechanical braking force and electric regenerative braking force in hybrid electric vehicle braking process,a regenerative braking control strategy for parallel hybrid electric vehicle(PHEV) with maximum braking energy recovery was developed while considering the requirement of braking stability.The vehicle model of control system was established in ADVISOR.The results show that the rate of braking energy recovery is increased by 22.8%,fuel economy is increased by 4.7% and CO emission is reduced by 4.4%,compared with the original control strategy with fixed ratio of braking force distribution.
Key concepts: Regenerative brake, Engine braking, Dynamic braking, Automotive engineering, Electronic brakeforce distribution, Threshold braking, Electric vehicle, Retarder