Development of engine control technique for flex-fuel motorcycle
Conference proceedings article
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Publication Details
Author list: Keawtubtimthong A., Koolpiruck D., Wongsa S., Laoonual Y., Kaewpunya A.
Publisher: Hindawi
Publication year: 2010
Start page: 159
End page: 162
Number of pages: 4
ISBN: 9789746724913
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
Abstract
This paper presents the development of control technique for an internal combustion engine which controls fuel injections for various gasoline/ethanol mixtures. Yamaha motorcycle, Spark 135i, is tested to find the injection timing for E0, E20, E85 and E100, respectivelty. The experiments are conducted with a speed upto 8000 rpm and working load between 0 - 95 percents of the full span in Engine Dynamometer. A signal from an oxygen sensor installed at the exhaust pipe are sent to the fuel injection system and served as a feedback signal, in order to maintain a complete combustion during a testing period. The result shows that the injection timing for E20, E85 and E100 are longer than the one for E0 8.0 percents, 34.2 percents and 44.8 percents. The approximate injection timing at different ethanol ratio can be determined by using these experiments with the error of -6.8 -7.3 percents. In addition, The results can be used to develop an injection control system for flexible fuel.
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