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Electronic Throttle Control as an Emission Reduction Device
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English
Abstract
It has long been believed that closer control of air fuel ratio during transients was achievable if the direct link between accelerator pedal and throttle was removed and replaced by a throttle controlled electronically. This paper charts the progress of a collaborative research program tasked with assessing the emission reduction potential of a vehicle fitted with an electronic throttle attempting real transients. The report reveals details of early feed forward fuel strategies and concludes with different catalyst loading emission comparisons from specific transient tests and complete FTP 75 drive cycles.
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Authors
Citation
Tudor, R., "Electronic Throttle Control as an Emission Reduction Device," SAE Technical Paper 930939, 1993, https://doi.org/10.4271/930939.Also In
References
- BOAM, D. J FINLAY, I. C. MARTINS, J. J.G. A Model for Predicting Engine Torque Response during Rapid Throttle Transients in Port-injected Spark-ignition Engines SAE Paper No 890565 Warrendale, Pa Society of Automotive Engineers 1989
- COLLINGS, N. A. A New Technique for Measuring HC Concentrations in Real Time in a Running Engine SAE Paper No 880517 Warrendale, Pa Society of Automotive Engineers 1988
- BOAM, D. J FINLAY, I. C. FAIRHEAD, G.S. The Optimization of Fuel Enrichment Patterns with Throttle Body Injection Proc Instn Mech Engrs 202 D1