Apparatus and method for estimating stage of charge of battery
AssigneeLG Chem, Ltd.
InventorYoungchang Jo
Life of this patent
Estimating the term…
Abstract
Provided are battery SOC estimating apparatus and method. The battery SOC estimating apparatus according to the present invention includes an input/output power pattern analyzing unit which analyzes an input/output power of a battery during a predetermined time to obtain an input/output power pattern of the battery; an application status determining unit which analyzes the input/output power pattern of the battery to determine a current application status of the battery; and an SOC calculating unit which calculates an SOC of the battery using a state of charge (SOC) estimation algorithm corresponding to the current application status of the battery.
Claims20
A battery state of charging estimating apparatus, comprising:
- an input/output power pattern analyzing unit which analyzes an input/output power of a battery during a predetermined time to obtain an input/output power pattern of the battery;
- an application status determining unit which analyzes the input/output power pattern of the battery to determine a current application status of the battery;
- an SOC calculating unit which calculates an SOC of the battery using a state of charging (SOC) estimation algorithm corresponding to the current application status of the battery;
- and
- a battery management system receiving the SOC of the battery from the SOC calculating unit and managing the status and performance of the battery based on the SOC of the battery.
A battery state of charging estimating method, comprising:
- obtaining an input/output power pattern of a battery by analyzing an input/output power of the battery during a predetermined time;
- determining a current application status of the battery by analyzing the input/output power pattern of the battery;
- calculating a state of charging (SOC) of the battery using an SOC estimation algorithm corresponding to the current application status of the battery;
- and
- managing the status and performance of the battery with a battery management system based on the SOC of the battery received from the SOC calculating unit.
Dependencies are inferred from the claim text.