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:
Sep. 19, 2017

Filed:

May. 23, 2014
Applicant:

Volvo Truck Corporation, Göteborg, SE;

Inventors:

Jerker Lennevi, Lerum, SE;

Tommy Hjelle, Torslanda, SE;

Tobias Smidebrant, Göteborg, SE;

Niklas Legnedahl, Onsala, SE;

Johanna Gustafsson, Vasteras, SE;

Hanna Bryngelsson, Göteborg, SE;

Assignee:

Volvo Truck Corporation, Göteborg, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01); H02J 7/00 (2006.01); G01R 31/36 (2006.01); B60L 3/12 (2006.01); B60L 11/18 (2006.01); G01R 35/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3679 (2013.01); B60L 3/12 (2013.01); B60L 11/1857 (2013.01); B60L 11/1862 (2013.01); G01R 31/3606 (2013.01); G01R 35/005 (2013.01); B60L 2240/547 (2013.01); B60L 2240/80 (2013.01); G01R 31/3627 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7044 (2013.01);
Abstract

A method for estimation of state-of-health (SOH) characteristics of a battery in hybrid vehicles includes charging and discharging the battery at least one time within an upper region of a state-of-charge (SOC) window, wherein the battery; charging and discharging the battery at least one time within a lower region of the SOC window, calibrating a battery management unit included in the hybrid vehicle by using the reached levels outside the SOC window, and estimating the SOH characteristics of the battery during the charge and discharge periods by using the battery management unit.


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