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A Variable-Geometry Turbocharger Control System for High Output Diesel Engines
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English
Abstract
The paper illustrates the improvement in performance that can be obtained by fitting a variable–geometry turbocharger turbine to a highly–rated truck diesel engine. Since a simple pneumatic control system does not produce either best fuel economy or fastest response on such a highly–rated engine, a microprocessor–based control system has been developed. This system attempts to provide optimum response with minimum exhaust smoke, whilst maintaining good steady–state fuel economy and using the minimum number of sensors. The control strategy is described in detail and both steady–speed and transient engine test results are shown.
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Authors
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Citation
Watson, N. and Banisoleiman, K., "A Variable-Geometry Turbocharger Control System for High Output Diesel Engines," SAE Technical Paper 880118, 1988, https://doi.org/10.4271/880118.Also In
References
- Watson N Banisoleiman K Performance of a highly rated vehicle diesel engine with a variable geometry turbocharger Proc.I.Mech.E. Turbocharging and Turbochargers, C103/86 1986
- Manz P W Emmenthal K–D Passenger car diesel engines charged by different systems for improved fuel economy Proc.I.Mech.E. VECON '84, C42S/84 1984
- McCutcheon A R S Brown M W G Evaluation of a variable geometry turbocharger turbine on a commercial diesel engine Proc.I.Mech.E. Turbocharging and Turbochargers, C104/S6 1986
- Watson N Eliminating rating effect on turbocharged diesel response SAE 840134 1984
- Needham J R Sandford M H A truck engine for the 1990's ASME ETCE Dallas 1987
- Ellensohn R Amman G Some results of an investigation of different supercharging methods on the IVECO 8140.21 small high–speed direct–injection diesel engine IAVD Congress Geneva Feb. 1984
- Arnold. S Schwitzer variable geometry turbo and microprocessor control design and evaluation SAE 870296 1987