Patent Number: 7,822,532

Title: Power-based underspeed control

Abstract: A method of adjusting the operation of an engine-driven machine to avoid engine under-speeding entails converting a received speed or torque command into a power command. When an engine under-speed condition is sensed, the system performs underspeed correction in the power domain before converting the underspeed processed power command back into the units of the original domain. The converted underspeed processed power command is issued to the transmission or other component to alleviate the engine under-speeding condition.

Inventors: Hoff; Brian D. (East Peoria, IL), DeMarco; Frank A. (East Peoria, IL), Sopko; Thomas M. (East Peoria, IL), Barngrover; Michael (Peoria, IL), Kuras; Brian D. (Metamora, IL)

Assignee: Caterpillar Inc

International Classification: G06F 19/00 (20060101); F02D 41/02 (20060101); B60W 10/06 (20060101)

Expiration Date: 2018-10-26 0:00:00