The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 20, 2000

Filed:

Nov. 11, 1998
Applicant:
Inventors:

Zhijian James Wu, Rochester Hills, MI (US);

Gang Chen, Rochester Hills, MI (US);

Anson Lee, St. Clair, MI (US);

Kerry D Franks, Chelsea, MI (US);

Timothy L McDonald, Novi, MI (US);

James R Tamm, Ann Arbor, MI (US);

Assignee:

Chrysler Corporation, Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K / ; G01K / ; G01K / ; G01K / ;
U.S. Cl.
CPC ...
374141 ; 374134 ; 374152 ; 702130 ; 429 90 ;
Abstract

A method of determining a vehicle battery temperature by a non-linear dynamic model based on the physical concepts of thermal transfer and a system identification technique. The battery temperature model uses several available physical measurements from the vehicle, including the engine coolant temperature, surrounding air temperature, vehicle speed and the engine fan on/off state. This method also includes the estimation of an initial value of battery temperature before starting the iteration process by the battery temperature prediction from the dynamic model.


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