Skip to Content
Find More Like This
Return to Search

Battery control system for hybrid vehicle and method for controlling a hybrid vehicle battery

United States Patent

July 21, 2009
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A battery control system for controlling a state of charge of a hybrid vehicle battery includes a detecting arrangement for determining a vehicle operating state or an intended vehicle operating state and a controller for setting a target state of charge level of the battery based on the vehicle operating state or the intended vehicle operating state. The controller is operable to set a target state of charge level at a first level during a mobile vehicle operating state and at a second level during a stationary vehicle operating state or in anticipation of the vehicle operating in the stationary vehicle operating state. The invention further includes a method for controlling a state of charge of a hybrid vehicle battery.
Bockelmann; Thomas R. (Battle Creek, MI), Beaty; Kevin D. (Kalamazoo, MI), Zou; Zhanijang (Battle Creek, MI), Kang; Xiaosong (Battle Creek, MI)
Eaton Corporation (Cleveland, OH)
10/ 917,575
August 13, 2004
This invention was made with Government support under NREL Subcontract No. ZCL-2-32060-01, Prime Contract DE-AC36-99GO10337 awarded by the Department of Energy. The government has certain rights in this invention.