Knock control using fuzzy logic

Details Knock control using fuzzy logic Knock control using fuzzy logic

1993-08-16

1996-10-01

Dolinar, Andrew M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

36443108, F02P 5152

Patent

active

055603378

ABSTRACT:
Internal combustion engine ignition timing is adjusted in response to a sensed knock condition and in response to a determination of engine knock propensity through application of fuzzy logic, wherein an inference engine comprised of a predetermined knowledge rulebase generates a set of truths in response to application of a set of input signals from a set of membership functions. The set of truths are combined according to both relative and absolute strength in indicating engine knock propensity.

REFERENCES:
patent: 4276861 (1981-07-01), Kearney et al.
patent: 4899710 (1990-02-01), Takahashi
patent: 5090382 (1992-02-01), Bolander et al.
patent: 5163404 (1992-11-01), Witkowski et al.

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