Patent ID: 8516806
Filing Date: 2013-08-27
Classification: B60K,B60W,B60Y,F01N,Y02T

Abstract:
1. A method, comprising: determining that an engine aftertreatment regeneration is indicated in response to a regeneration request index exceeding a first threshold; calculating a battery usage amount for an engine aftertreatment regeneration operation in response to the determining the engine aftertreatment regeneration is indicated; determining an acceptable battery usage amount in response to a current battery state of charge (current SOC) and a minimum battery state of charge (minimum SOC); initiating the engine aftertreatment regeneration operation in response to the battery usage amount being not greater than the acceptable battery usage amount; and determining a plurality of battery usage amounts, each corresponding to one of a plurality of engine aftertreatment regeneration operation modes, and selecting one of the engine aftertreatment operating modes having a corresponding battery usage amount that is not greater than the acceptable battery usage amount, wherein each of the engine aftertreatment operation modes includes a distinct level of power contribution from a second motive power contributor, and providing the engine aftertreatment regeneration command to initiate the selected engine aftertreatment operation mode.