Patent ID: 8738203

Claim:
In a controller in a hybrid vehicle, a method for managing power in the hybrid vehicle, comprising: accessing one or more operating conditions of the hybrid vehicle; determining, based at least in part on the one or more operating conditions of the hybrid vehicle, an amount of operating power to be supplied in response to a drive signal generated based on operator input; determining, for each of a plurality of apportionments of the operating power between an engine of the hybrid vehicle and a motor-generator of the hybrid vehicle, an overall operating cost value, each overall operating cost value accounting for at least an engine fuel consumption cost and a storage element lifetime cost; selecting an apportionment of the operating power from among the plurality of apportionments of the operating power, the selected apportionment being the apportionment with a minimum determined overall operating cost value; and causing the operating power to be supplied by at least one of the engine and the motor-generator in accordance with the selected apportionment.