Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1998-07-21
2000-05-02
Kwon, John
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
12333919, F02M 2500
Patent
active
060559713
ABSTRACT:
A proportional/integral/derivative control system is provided for controlling the operating parameters of a feedback system according to the difference between a measured value from a component of the system and a target set point. The control system employs a linearization curve having a plateau portion near the target set point. As the measured value approaches the target set point, smaller corrective measures are employed to minimize overshooting and fluctuations. Also, a range is established about the set point wherein no corrective measures are performed.
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Beechie Brian E.
DeGroot Kenneth P.
Calcaterra Mark P.
Chrysler Corporation
Kwon John
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