TECHNIQUES FOR CONTROLLING A POWER DISSIPATION MODE OF AN ELECTRIFIED VEHICLE

Abstract: a control system for an electrified powertrain of an electrified vehicle is configured to determine whether to enable/disable a power dissipation mode of the electrified powertrain and, when the power dissipation mode is enabled, determine a torque request for the electrified powertrain based on a driver torque request and a set of negative torque requestors, determine a target power dissipation based on the determined torque request, a regenerative torque capability of a regenerative braking system of the electrified powertrain, and a set of operating parameters of the electrified vehicle, determine an allocation or distribution of the target power dissipation between a set of power dissipation systems, and control the set of power dissipation systems to achieve the target power dissipation and thereby reduce a thermal load on a friction brake system of the electrified vehicle.

Inventor(s): Shu Wang, Joseph Falcon

CPC Classification: B60L15/2045 ({for optimising the use of energy})

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