Knock control using fuzzy logic
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United States of America Patent
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Oct 1, 1996
Grant Date -
N/A
app pub date -
Aug 16, 1993
filing date -
Aug 16, 1993
priority date (Note) -
Expired
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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.
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