Temperature compensated battery parameter estimation

US8935043B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8935043-B2
Application numberUS-201313752487-A
CountryUS
Kind codeB2
Filing dateJan 29, 2013
Priority dateJan 29, 2013
Publication dateJan 13, 2015
Grant dateJan 13, 2015

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Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

What is claimed is: 1. A vehicle comprising: an electric machine configured to provide drive torque; a battery for supplying power to the electric machine; and a controller configured to: select a gain factor from predetermined data based on battery temperature, wherein the gain factor corresponds to a constant value above a threshold battery temperature and increases as the battery temperature decreases below the threshold battery temperature; estimate a variable gain base…

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Classifications

  • B60L3/12Primary

    Operations & Transport · mapped topic

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What does patent US8935043B2 cover?
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…
Who is the assignee on this patent?
Ford Global Tech Llc
What technology area does this patent fall under?
Primary CPC classification B60L3/12. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jan 13 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).