System and method for calculating battery state of charge
First Claim
Patent Images
1. A method, comprising:
- determining a present state of charge of a battery;
determining a rate of change of the state of charge of the battery, the rate of change being determined based on a charge current being supplied to the battery; and
determining an updated state of charge based on the rate of change.
4 Assignments
0 Petitions
Accused Products
Abstract
Described is a system and method for determining determining a present state of charge of a battery and determining a rate of change of the state of charge of the battery, the rate of change being determined based on a charge current being supplied to the battery. Then, an updated state of charge is determined based on the rate of change.
-
Citations
23 Claims
-
1. A method, comprising:
-
determining a present state of charge of a battery; determining a rate of change of the state of charge of the battery, the rate of change being determined based on a charge current being supplied to the battery; and determining an updated state of charge based on the rate of change. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A system, comprising:
-
a current sensor measuring a charge current being supplied to a rechargeable battery; a processor calculating a rate of change of a state of charge of the rechargeable battery based on the charge current, the processor using the rate of change to calculate an updated state of charge of the rechargeable battery. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. A device, comprising:
-
current measuring means for measuring a charge current being supplied to a rechargeable battery; calculating means for calculating a rate of change of a state of charge of the rechargeable battery based on the charge current, the calculating means using the rate of change to calculate an updated state of charge of the rechargeable battery.
-
-
23. A computer readable storage medium including a set of instructions executable by a processor, the set of instructions operable to:
-
determine a present state of charge of a battery; receive an indication of a charge current being supplied to the battery; determine a rate of change of the state of charge of the battery, the rate of change being determined based on the indication of the charge current; and determine an updated state of charge based on the rate of change.
-
Specification