Power management for hybrid electric vehicles
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United States of America Patent
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Oct 24, 2023
Grant Date -
Nov 3, 2022
app pub date -
May 2, 2021
filing date -
May 2, 2021
priority date (Note) -
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Abstract
A system and method for power management of hybrid electric vehicles is provided. In some implementations, a plug-in series hybrid electric vehicle may include an engine, a motor/generator (MG), a traction motor, an energy storage device, and a controller. The controller is coupled to the engine and the MG to control operation of the engine and the MG such that a state-of-charge (SOC) of the energy storage device tracks a dynamic reference SOC profile during a trip and an average engine power (AEP) is maintained above a threshold. In some instances, maintaining AEP above a threshold supports emission control of the vehicle.
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