METHOD AND APPARATUS FOR ESTIMATING CURRENT
First Claim
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1. A method of estimating current, the method comprising:
- receiving a voltage value of a battery pack and voltage values of cells comprised in the battery pack from a voltage sensor; and
estimating a current of the battery pack based on the voltage value of the battery pack, the voltage values of the cells comprised in the battery pack, and resistance components disposed within the battery pack.
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Abstract
A method and apparatus for estimating current is disclosed. The current estimation apparatus may receive a voltage value of a battery pack and voltage values of cells included in the battery pack, and may estimate a current of the battery pack based on the voltage value of the battery pack, the voltage values of the cells included in the battery pack, and resistance components within the battery pack.
18 Citations
20 Claims
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1. A method of estimating current, the method comprising:
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receiving a voltage value of a battery pack and voltage values of cells comprised in the battery pack from a voltage sensor; and estimating a current of the battery pack based on the voltage value of the battery pack, the voltage values of the cells comprised in the battery pack, and resistance components disposed within the battery pack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A current estimation apparatus comprising:
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a receiver configured to receive a voltage value of a battery pack and voltage values of cells comprised in the battery pack from a voltage sensor; and an estimator configured to estimate current of the battery pack based on the voltage value of the battery pack, the voltage values of the cells comprised in the battery pack, and resistance components within the battery pack. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A current estimation apparatus comprising:
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a current sensor configured to output a current value; a voltage sensor configured to output a voltage value; and a verifier configured to determine whether the current sensor malfunctions by comparing a decrease width of voltage predicted based on the current value received from the current sensor and a decrease width of voltage verified through the voltage sensor.
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Specification