Patent ID: 8606448

Claim:
A system for controlling power in a machine comprising an engine configured to provide power to an electric device and a hydraulic device and receive power from the electric device and the hydraulic device, the system comprising: a controller configured to: receive request signals indicative of a requested operation of at least one device of the electric device and the hydraulic device; determine a requested level of power required to meet the requested operation based on the request signals; determine an ability of the engine to supply the requested level of power upon receipt of the request signals; provide control signals to the electric device and the hydraulic device to supply power to the engine if the engine is unable to supply the requested level of power; and provide control signals to the engine to control speed and output of the engine, wherein the control signals provided to the engine, the electric device, and the hydraulic device result in operation of the engine within a speed range of a target engine speed.