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:
Jan. 18, 2022
Filed:
Nov. 06, 2019
GM Global Technology Operations Llc, Detroit, MI (US);
Yue-Yun Wang, Troy, MI (US);
Lei Hao, Troy, MI (US);
Brian J. Koch, Berkley, MI (US);
Jeffrey S. Piasecki, Rochester, MI (US);
Garrett M. Seeman, Novi, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
Management system for a rechargeable energy storage device in an electric vehicle and corresponding method is disclosed. The rechargeable energy storage device has one or more battery packs each having a plurality of modules with one or more respective cells. A respective module management unit is embedded in each of the plurality of modules through respective microcircuits and configured to determine one or more local parameters. A supervisory controller is configured for two-way communication with the respective module management unit. The supervisory controller is configured to receive the local parameters, determine one or more global pack parameters based in part on the local parameters and transmit the global pack parameters back to the respective management unit. The supervisory controller is configured to control operation of the rechargeable energy storage device based in part on the global pack parameters and the local parameters.