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.
Patent No.:
Date of Patent:
Apr. 09, 2024
Filed:
Sep. 17, 2018
Volvo Truck Corporation, Gothenburg, SE;
Jonas Hellgren, Gothenburg, SE;
VOLVO TRUCK CORPORATION, Gothenburg, SE;
Abstract
A method and system for estimating the state-of-health of a battery The invention relates to a method for estimating the state-of-health, SoH, of a battery in a vehicle, the method comprising: determining () a first battery property and a battery temperature of a battery in a vehicle; calculating () a state-of-health, SoH, of a battery cell based on the determined first battery property using a predetermined model; providing () a function f estimating a battery cell degradation rate; updating () a state-of health estimated in a previous time step according to SoH←SoH+ƒ·dt+K·(SoH−SoH), where K is a gain factor which is dependent on operating conditions of the vehicle, and wherein K is modified () for each time step using a reinforcement learning agent.