Dana Heavy Vehicle Systems Group, LLC

Gustav Johnson

Jordan M Houser

Darren J Ziskovsky

Jeffrey M David

Jason A Sidders

Methods and systems for operating a tandem axle that includes two electric machine propulsion sources are described. In one example, a controller determines a presence or absence of a beat signal that may be generated via rotating components of the tandem axle. Operation of the tandem axle may be adjusted in response to detection of the beat signal.

System and method for controlling a tandem axle

In one example, a line of transmissions is provided comprising, a first transmission and a second transmission. Each transmission includes an input shaft with a first pair of gears arranged thereon and a first clutch positioned therebetween designed to selectively rotationally couple at least one of a first gear and a second gear of the first pair of gears to the input shaft. Each transmission includes a layshaft with a second pair of gears fixedly coupled thereto. Each transmission includes an output shaft with a third pair of gears arranged thereon and a second clutch positioned therebetween designed to selectively rotationally couple at least one of a third gear and a fourth gear in the third pair of gears to the output shaft. The first transmission has the second gear fixed to the input shaft. The second transmission has the fourth gear fixed to the output shaft.

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Canton, MI, United States of America

Gustav Johnson