Apparatus and method for predicting the remaining discharge time of a battery
US7208914B2 · kind B2 · utility
84Cited by
297References
15Claims
0Family size
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Key dates
| Filing date | Dec 30, 2003 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Dec 31, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for predicting the remaining discharge time of a battery are provided. The method includes measuring a dynamic parameter of the battery, obtaining a discharge current of the battery, measuring a voltage of the battery and obtaining a temperature of the battery. The remaining run time of the battery is predicted as a function of the measured battery dynamic parameter, the discharge current, the measured battery voltage, the battery temperature, a full charge battery dynamic parameter and an estimated capacity of the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.