In-cylinder Ion Sensing Opportunities
In-cylinder Ion Sensing Opportunities
In-cylinder Ion Sensing Opportunities
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Knock Detection<strong>Ion</strong> & <strong>cylinder</strong>pressure signalsKnock sensorKnock signalfrom ion sensing& pressuresensorSAE 2003-0101-3149• Heavy, audible knocking• Knock sensor, ionsensing and pressuresensor pick up theknocking signal• Light knocking, inaudible• Knock sensor at the noiselevel and misses knock• <strong>Ion</strong> sensing and pressuresensor pick up theknocking signal