Full charge sensing apparatus and full charge sensing method
First Claim
1. A full charge sensing apparatus for sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery, the apparatus comprising:
- a measuring unit that measures a voltage and a current during charging of the secondary battery;
a learning unit that performs a learning process on a plurality of parameters in the equivalent circuit model using a result of measurement of the measuring unit; and
a determining unit that determines that the secondary battery is in a fully charged state in a case where, among the parameters on which the learning process has been performed by the learning unit, a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold.
1 Assignment
0 Petitions
Accused Products
Abstract
A full charge sensing apparatus for sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery includes a measuring unit that measures a voltage and a current during charging of the secondary battery, a learning unit that performs a learning process on a plurality of parameters in the equivalent circuit model using a result of measurement of the measuring unit, and a determining unit that determines that the secondary battery is in a fully charged state in a case where, among the parameters on which the learning process has been performed by the learning unit, a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold.
-
Citations
13 Claims
-
1. A full charge sensing apparatus for sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery, the apparatus comprising:
-
a measuring unit that measures a voltage and a current during charging of the secondary battery; a learning unit that performs a learning process on a plurality of parameters in the equivalent circuit model using a result of measurement of the measuring unit; and a determining unit that determines that the secondary battery is in a fully charged state in a case where, among the parameters on which the learning process has been performed by the learning unit, a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A full charge sensing method of sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery, the method comprising:
-
measuring a voltage and a current during charging of the secondary battery; performing a learning process on a plurality of parameter in the equivalent circuit model using a result of said measuring of a voltage and a current during charging of the secondary battery; and performing a determination in which the secondary battery is determined to be in a fully charged state in a case where a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold, the parameter corresponding to the reaction resistance of the secondary battery being one of the parameters on which the learning process has been performed. - View Dependent Claims (11, 12, 13)
-
Specification