Gm Global Technolgoy Operations, Inc.

Gus Hatoum

Brian James Koch

Charles W Wampler, Ii

Azeem Sarwar

Jeffrey S Piasecki

Ciro A Spigno

Ryan B Moulliet

Xiangxing Lu

Andrew J Cornelli

Margaux LeBlanc

System and method of controlling operation of a device having a rechargeable energy storage pack with a plurality of cells, based on propulsion loss assessment. A controller is configured to obtain a state of charge data and an open circuit voltage of the rechargeable energy storage pack. The controller is configured to obtain a state of charge disparity factor (dSOC) from a selected dataset. The state of charge disparity factor (dSOC) is defined as a difference between a minimum value of the state of charge and an average value of the state of charge of the plurality of cells. The controller is configured to control operation of the device based in part on the state of charge disparity factor (dSOC) and a plurality of parameters (P), including raising one or more of a plurality of flags each transmitting respective information to a user.

Controlling operation of device with rechargeable energy storage pack based on propulsion loss assessment

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Shelby Township, MI, United States of America

Gus Hatoum