Ahmad I Bazzi

US Patent:

20100301867, Dec 2, 2010

Filed:

May 29, 2009

Appl. No.:

12/474697

Inventors:

Rama Munukur - Hillsbord OR, US
Goro Tamai - West Bloomfield MI, US
Ahmad M. Bazzi - Dearborn MI, US

Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS, INC. - Detroit MI

International Classification:

G01N 27/416

US Classification:

324427

Abstract:

A method for controlling regeneration of a battery includes determining a scaled value for a state of charge of the battery, a scaled value for a battery temperature and a scaled value for a maximum charging power of the battery. An actual battery temperature is then compared with a predetermined operating temperature. When the actual battery temperature is less than the predetermined operating temperature, an actual regeneration amount is calculated based upon the scaled value for the state of charge of the battery and the scaled value for the battery temperature. When the actual battery temperature is greater than the predetermined operating temperature, the actual regeneration amount is based upon the scaled value for the state of charge of the battery, the scaled value for the battery temperature, and the scaled value for the maximum charging power of the battery.