In-cylinder Ion Sensing Opportunities

More documents

Recommendations

Info

Load Effect on Ion SignalIonization Signal, volt0.250.20.150.10.05200 Nm20 Nm100 Nm•Peak - increases withload•Peak location - close tospark with loadincrease0-0.050 2 4 6 8Time, msLoad Effect
Equivalence Ratio Effects atHigher Load and Different Speed0.251000 rpm0.252600 rpm•Peak magnitudeof ion signal -max at Φ = ~1.1Ion signal, volt0.20.150.10.051.2981.1671.0590.9870.878Ion Signal, volt0.20.150.10.051.2711.121.030.9380.885•Peak location -closest to sparkat max ΦIon Signal, volt0.250.1500 0.001 0.002 0.003 0.004 0.005time, s0.20.11400 rpm0.8850.8790.9241.0981.185Ion Signal, volt00 0.001 0.002 0.003 0.004time, s3000 rpm0.250.20.150.11.261.1571.0250.8880.8550.050.0500 0.001 0.002 0.003 0.004 0.005time, s00 0.001 0.002 0.003 0.004time, s
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 and 8: Mechanism of In-cylinder Ion Sensin
Page 9 and 10: Example Hardware ofIn-cylinder Ion
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: Speed Effect on Ion SignalIonizatio
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

Create successful ePaper yourself

Delete template?

Save as template?