Method for determining an effective voltage of a battery
First Claim
Patent Images
1. A method for determining an effective battery voltage of a battery, comprising:
- detecting a battery voltage at a predetermined interval;
counting a number of times the battery voltage is detected within a series of predetermined voltage ranges;
calculating a ratio of a change of the counted number with respect to a change of the battery voltage; and
determining a first peak point of the calculated ratio.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for determining an effective voltage of a battery includes detecting a battery voltage at a predetermined interval, and counting a number of times the battery voltage is detected within a series of predetermined voltage ranges. The method also includes calculating a ratio of the change of the counted number with respect to a change of the battery voltage, and determining a first peak point of the calculated ratio.
-
Citations
10 Claims
-
1. A method for determining an effective battery voltage of a battery, comprising:
-
detecting a battery voltage at a predetermined interval;
counting a number of times the battery voltage is detected within a series of predetermined voltage ranges;
calculating a ratio of a change of the counted number with respect to a change of the battery voltage; and
determining a first peak point of the calculated ratio. - View Dependent Claims (2, 3, 4)
-
-
5. A method for determining an effective battery voltage of a battery, comprising:
-
measuring a battery voltage over time;
determining a first amount of time that the measured battery voltage falls within a first predetermined voltage range, and a second amount of time that the measured battery voltage falls within a second predefined voltage range;
calculating a first ratio of the difference between the first amount of time and the second amount of time;
repeating the determining and calculating steps to calculate other ratios; and
determining a first peak point of the calculated first and other ratios. - View Dependent Claims (6, 7, 8)
-
-
9. A system for determining an effective voltage of a battery, the system comprising:
-
a motor control unit to output motor torque control commands;
a battery management system to manage the charging state of the battery, the battery management system comprising;
logic for detecting a battery voltage at a predetermined interval;
logic for counting a number of times the battery voltage is detected within a series of predetermined voltage ranges;
logic for calculating a ratio of a change of the counted number with respect to a change of the battery voltage; and
logic for determining a first peak point of the calculated ratio; and
a hybrid control unit to control at least one of the motor control unit and the battery management system through control commands. - View Dependent Claims (10)
-
Specification