In-cylinder Ion Sensing Opportunities

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Mechanism of In-cylinder Ion SensingFrom EuropeanAutomotive Des(Delphi AutomotSystem)• Knock causes high frequency modulation of ion currentsignal• The modulated signal is obtained by passing through aband pass filter
Example Hardware ofIn-cylinder Ion SensingMitsubishi ElectricIonization DetectionModuleSAAB Trionic SystemSAAB Ion Detection and Ignition coilDelphi IonizationDetection System
Page 1 and 2: Designing Electronic Powertrain Con
Page 3 and 4: What Is Ion Sensing?• Ion Sensing
Page 5 and 6: Mechanism of In-cylinder Ion Sensin
Page 7: Mechanism of In-cylinder Ion Sensin
Page 11 and 12: Current EffortsEarly knock detectio
Page 13 and 14: Knock Detection at High SpeedIon si
Page 15 and 16: Further Improvement Needed forQuant
Page 17 and 18: Fundamental Research - (Cont.)1.4Ig
Page 19 and 20: Location & Magnitude of Ionization
Page 21 and 22: Speed Effect on Ion SignalIonizatio
Page 23 and 24: Equivalence Ratio Effects atHigher
Page 25 and 26: Location of Peak Ionization Signal-
Page 27 and 28: Summary• The development of ion s
Page 29 and 30: Summary - (Cont.)• Engine operati

In-cylinder Ion Sensing Opportunities

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