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Noncontact Techniques for Diesel Engine Diagnostics Using Exhaust Waveform Analyses
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Abstract
RCA Corporation's continuing efforts to develop noncontact test techniques for diesel engines have led to recent advancements in deep engine diagnostics. The U.S. Army Tank-Automotive Command (TACOM) has been working with RCA for the development of new noncontact sensors and test techniques which use these sensors in conjunction with their family of Simplified Test Equipment (STE) to perform vehicle diagnostics. The STE systems are microprocessor-based maintenance tools that assist the Army mechanic in diagnosing malfunctions in both tactical and combat vehicles. The test systems support the mechanic by providing the sophisticated signal processing capabilities necessary for a wide range of diagnostic testing including exhaust waveform analysis. This paper discusses the diagnostic significance of the exhaust gas waveforms and then shows how they can be used to identify and quantify a particular fault and isolate that fault to the cylinder(s) involved.
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Citation
Gore, D. and Cooke, G., "Noncontact Techniques for Diesel Engine Diagnostics Using Exhaust Waveform Analyses," SAE Technical Paper 870399, 1987, https://doi.org/10.4271/870399.Also In
References
- Greenup J.E. Ward S.H. Zablocki E.G. “Noncontact Sensors for Automotive Testing,” SAE Technical Paper Series, No. 860403 SAE international Congress and Exposition Detroit, Michigan February 24-28 1986
- Armstrong L.R. Wilkinson J.R. “Recent Advancements in Non-Contact Diesel Diagnostics,” SAE international Congress and Exposition Detroit, Michigan February 28 March 4 1983
- RCA, Automated Systems, Government Systems Division, Burlington, MA STE/R Noncontact Sensors, Volumes 1&2 U.S. Army Tank-Automotive Command, Research, Development & Engineering Center Warren, Michigan July 1986
- Hadden S.C. Zablocki E.G. “External Sensor for Crankshaft Speed and Position,” SAE Technical Paper Series, No. 840439 SAE International Congress and Exposition Detroit, Michigan February 27 March 2 1984
- Gore D.A. Noncontact Sensor Technology for Diesel Engine Diagnostics U.S. Army Tank-Automotive Command, Research, Development & Engineering Center Warren, Michigan October 1986