Electric vehicle and method of control for active auxiliary battery depletion

An electric vehicle includes a traction battery, an auxiliary battery, and a controller. The controller is configured to prevent the traction battery from charging the auxiliary battery while the auxiliary battery has more than a minimum energy. The controller is further configured to, upon the auxi...

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Bibliographic Details
Main Authors OCHOCINSKI CHRISTOPHER ADAM, STANEK JOSEPH
Format Patent
LanguageEnglish
Published 17.09.2013
Subjects
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRICITY
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
GENERATION
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSPORTING
VEHICLES IN GENERAL
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Summary:An electric vehicle includes a traction battery, an auxiliary battery, and a controller. The controller is configured to prevent the traction battery from charging the auxiliary battery while the auxiliary battery has more than a minimum energy. The controller is further configured to, upon the auxiliary battery having the minimum energy, enable the traction battery to charge the auxiliary battery such that the auxiliary battery is maintained at the minimum energy.
Bibliography:Application Number: US201113026588