Part-throttle performance optimization

Details Part-throttle performance optimization Part-throttle performance optimization

2007-12-13

2009-06-30

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

C701S110000

Reexamination Certificate

active

07552712

ABSTRACT:
A system and method for optimizing machine performance using speed shaping in a machine having an engine and a drivetrain implementing engine underspeed module receives a throttle command requesting an increase in engine speed and transmits the throttle command to the engine. If the requested increase exceeds a predetermined function, the predetermined function is forwarded to the engine underspeed module as a speed standard. The engine underspeed module determines whether the actual engine speed attained by the engine is less than the speed standard by more than a predetermined gap value and, if so, reduces the power required by the drivetrain to avoid lugging of the engine.

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