Temperature compensated battery parameter estimation
US8935043B2 · kind B2 · utility
9Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2013 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60L3/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle is provided with a vehicle system having an electric machine and a battery. The electric machine is configured to provide drive torque and the battery supplies power to the electric machine. The vehicle also includes a controller that is configured to generate output indicative of at least one of a battery power capability and a battery state of charge using a filter having a variable EKF gain factor based on battery temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.