System for engine knock control

Details System for engine knock control System for engine knock control

2005-09-20

2005-09-20

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S406370

Reexamination Certificate

active

06945229

ABSTRACT:
The present invention provides a system for controlling knock in an engine having one or more cylinders in which combustion occurs. The system includes a sensor that detects the ionization of the combustion process in the cylinders. The ionization is related to the knock intensity occurring in the cylinders, and the sensor further transmits a signal associated with the knock intensity. The system further includes a controller that monitors the stochastic behavior of the ionization signal and adjusts the ignition timing of the engine to operate the engine with an actual knock intensity that is below a knock borderline limit that defines a desired knock intensity.

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Engine Control Using Combustion Model; Y. Ohyama, International Journal of Automotive Technology, vol. 2, No. 2, pp. 53-62 (2001).

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