Systems and methods for electronic throttle control

Details Systems and methods for electronic throttle control Systems and methods for electronic throttle control

2011-08-16

2011-08-16

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S395000

Reexamination Certificate

active

07997251

ABSTRACT:
An engine control system includes a status determination module that determines states of first and second throttle position sensors (TPSs), wherein a fault state includes when one of the first and second TPSs is one of outside of a predetermined range and out of correlation with the other of the first and second TPSs, for greater than a first predetermined period. A throttle actuation module opens a throttle when an engine manifold absolute pressure (MAP) is less than a predetermined MAP threshold, at least one of the first and second TPSs is in the fault state, and the other one of the first and second TPSs is within a second predetermined period from transitioning to the fault state.

REFERENCES:
patent: 2003/0062025 (2003-04-01), Samoto et al.
patent: 2003/0183194 (2003-10-01), Noguchi
patent: 2005/0235955 (2005-10-01), Katrak et al.

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