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TECHNICAL PAPERS: Internal Combustion Engines

A Study on the Knocking and Misfire Detection System Using Breakdown Voltage Characteristics

[+] Author and Article Information
J. K. Park, J. O. Chae

Department of Mechanical Engineering, Inha University, 253 Yonghyun-Dong, Nam-Gu, Inchon, South Korea

J. Eng. Gas Turbines Power 124(3), 650-659 (Jun 19, 2002) (10 pages) doi:10.1115/1.1470486 History: Received December 04, 2000; Revised October 06, 2001; Online June 19, 2002
Copyright © 2002 by ASME
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References

Williams, J., 1996, “An Overview of Misfiring Cylinder Engine Diagnostic Techniques Based on Crankshaft Angular Velocity Measurement,” SAE Paper 960039.
Nonomura, N., Sugiyama, J., Tsukada, K., and Takeuchi, M., 1987, “Measurement of Engine Torque With the Inter-Bearing Torque Sensor,” SAE Paper 870472.
Reinmann, R., Saitzkoff, A., and Mauss, F., 1997, “In-Cylinder Pressure Measurement Using the Spark Plug as an Ionization Sensor,” SAE Paper 970857.
Eriksson, L., Nielsen, L., and Glavenius, M., 1997, “Closed Loop Ignition Control by Ionization Current Interpretation,” SAE Paper 970854.
Auzins, J., Johansson, H., and Nytomt, J., 1995, “Ion-Gap Sense in Misfire Detection, Knock and Engine Control,” SAE Paper 950004.
Raizer, Y. P., 1991, Gas Discharge Physics, Springer-Verlag, New York.
Meek, J. M., and Craggs, J. D., 1978, Electrical Breakdown in Gases, John Wiley and Sons, New York.
Martychenko, A. A., Park, J. K., Ko, Y. S., and Chae, J. O., 1999, “A Study on the Possibility of Estimation of In-Cylinder Pressure by Means of Measurement of Spark Gap Breakdown Voltage,” SAE Paper 1999-01-1115.
Park, J. K., Martychenko, A. A., Ko, Y. S., Jo, M. S., and Chae, J. O., 1999, “The Misfire Detection and Intensity Interpretation Using Breakdown Voltage Characteristics,” SAE Paper 1999-01-2934.
Heywood, J. B., 1988, Internal Combustion Engine Fundamental, McGraw-Hill, New York.

Figures

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A simplified volt-ampere characteristic
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Experimental setup for measurement of fuel injection quantity
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Four-cylinder breakdown voltage measurement circuit
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Breakdown voltage and pressure according to the crankangle at 1200 rpm and idle state
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Breakdown voltage and pressure according to the crankangle at 1200 rpm and 2N-M
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Breakdown voltage and pressure according to the crankangle at 1200 rpm and 6N-M
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Breakdown voltage and pressure according to the crankangle at 2400 rpm and idle state
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Breakdown voltage and pressure according to the crankangle at 2400 rpm and 2N-M
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Breakdown voltage and pressure according to the crankangle at 2400 rpm and 6N-M
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Indicated mean effective pressure and misfire intensity according to the fuel trim at 1200 rpm
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Indicated mean effective pressure and misfire intensity according to the fuel trim at 2400 rpm
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Slope of breakdown voltage and misfire intensity
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Breakdown voltage and pressure according to crankangle at 1800 rpm
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Breakdown voltage and pressure according to crankangle at 2400 rpm
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Breakdown voltage and pressure according to crankangle at 3000 rpm
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Breakdown voltage and pressure as a function of crankangle

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