Patent ID: 7344472

Claim:
A power system of a mobile machine, including: a prime mover; a transmission; a fluid coupler having a selectively-engageable lockup clutch, the fluid coupler being drivingly connected between the prime mover and the transmission; a motor/generator drivingly connected to at least one of the prime mover and the transmission; power-system controls configured to execute a control method, the control method including selecting one of a plurality of modes of operation of the power system; controlling the operating state of the lockup clutch dependent upon the mode of operation selected; controlling the operating state of the motor/generator dependent upon the mode of operation selected; wherein controlling the operating state of the lockup clutch dependent upon the mode of operation selected includes referencing a database that includes data relating to the preferred operating state of the lockup clutch for each mode of operation of the power system; and wherein controlling the operating state of the motor/generator dependent upon the mode of operation selected includes referencing a database that includes data relating to the preferred operating state of the motor/generator for each mode of operation of the power system.