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The Electronically Controlled 6.5L Diesel Engine
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English
Abstract
For model year 1994, General Motors has completed the roll out of the 6.5L Diesel Engine, with the introduction of the light duty certified naturally aspirated and turbocharged engines. At the heart of the expanded use of the 6.5L is a new electronic powertrain control system. The objectives for this system were to produce an engine that has less variation, is easier to assemble, low cost and capable of meeting both heavy and light duty future emissions requirements. Control features include Fuel Quantity and Timing, EGR, Wastegate, Glow Plugs, Transmission, Cruise Control and Diagnostics. These features are performed based on the following devices:
Electronic Rotary Injection Pump
Electronic Foot Pedal
Boost Sensor
Coolant Temperature
Inlet Air Temperature
Fuel Temperature
Crank Position Sensor
Barometric Pressure Sensor
EGR Feedback Sensor
Catalytic Convertor
Vehicle Speed
This paper will cover the highlights of the development and optimization of the control features, combustion process, emissions and drivability for the wide range of engine applications.
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Citation
Richeson, D. and Amann, R., "The Electronically Controlled 6.5L Diesel Engine," SAE Technical Paper 932983, 1993, https://doi.org/10.4271/932983.Also In
References
- Hames R.J. Straub R.D. Amann R.W. “DDEC-Detroit Diesel Electronic Control,” Convergence- 1984 Detroit, MI October 1984
- Jennings M.J. Blumberg P.N. Amann R.W. “A Dynamic Simulation of the Detroit Diesel Electronic Control System for Evaluating Engine-Driveline Interactions,” 1986 Joint Automatic Control Conference Seattle, WA
- Jennings M.J. Blumberg P.N. Amann R.W. “A Dynamic Simulation of the Detroit Diesel Electronic Control System in Heavy Duty Truck Powertrains,” 1986 Truck and Bus Meeting and Exposition King of Prussia, PA
- Tuteja A.D. Hoffman M.B. Lopez-Crevillen J.M. Singh S. Stomber R.R. Wallace G.C. “Selection and Development of a Particulate Trap System for a Light Duty Diesel Engine,” 1992 International Congress & Exposition Detroit, MI SAE 920142
- Ament Frank GM Advanced Engineering Staff personal communications