METHODS AND SYSTEMS FOR CONTROLLING MULTIPLE ELECTRIC AXLES
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Feb 17, 2021
filing date -
Feb 17, 2021
priority date (Note) -
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Abstract
A system for controlling a plurality of electric axles of a vehicle is disclosed, comprising: the plurality of electric axles, one or more motor generators associated with one or more of the plurality of electric axles, and a multi-axle controller communicatively coupled to the one or more motor generators and configured to execute software to cause the multi-axle controller to: determine a power demand of the vehicle based at least in part on one or more parameters of each electric axle and current and/or future road grade; generate a performance cost function associated with one or more performance metrics, the power demand, and/or the vehicle information; determine a power distribution among the plurality of electric axles by optimizing the performance cost function; and transmit a traction command to the one or more motor generators to control the operation of the plurality of electric axles.
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