Patent ID: 6861820

Claim:
A system for controlling an electric motor in a motor vehicle, comprising: at least one controller for receiving and processing a plurality of system input signals; a first step embodied within the at least one controller for determining a maximum energy amount that can be put into the motor before the temperature of the motor is caused to rise to a maximum allowable temperature; a second step embodied within the at least one controller for determining a motor power assist value that the motor can provide in a predetermined time period before the motor reaches said maximum allowable temperature; a third step embodied within said at least one controller for determining a battery power assist value; a fourth step embodied within said at least one controller for determining a maximum power assist value that is the minimum of said motor power assist value and said battery power assist value; means for outputting said motor power assist value to a vehicle system controller; a means for outputting said maximum power assist value to said vehicle system controller.