Electronic fuel injection controller for natural gas vehicle motorcycle

Smaller vehicles are a major source of both air pollution and congested roads. The use of natural gas is recommended by the United States Federal Clean Air Act Amendments of 1990, because it is environmentally friendlier than petrol engine. Therefore, this thesis presents the design and development...

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Main Author:	Indraguna, Vannebula Eka
Format:	Thesis
Language:	English
Published:	2006
Subjects:	TK Electrical engineering Electronics Nuclear engineering HE Transportation and Communications
Online Access:	http://eprints.utm.my/id/eprint/5778/1/VannebulaEkaIndragunaMFKE2006.pdf
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id	my-utm-ep.5778
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spelling	my-utm-ep.57782018-09-17T03:03:10Z Electronic fuel injection controller for natural gas vehicle motorcycle 2006-09 Indraguna, Vannebula Eka TK Electrical engineering. Electronics Nuclear engineering HE Transportation and Communications TL Motor vehicles. Aeronautics. Astronautics Smaller vehicles are a major source of both air pollution and congested roads. The use of natural gas is recommended by the United States Federal Clean Air Act Amendments of 1990, because it is environmentally friendlier than petrol engine. Therefore, this thesis presents the design and development of a low cost electronic fuel injection (EFI) for natural gas vehicle (NGV) motorcycle. The design consists of signal conditioning, microcontroller systems and the injector drive circuit. The output of this research is a prototype of EFI which has the capability to control output engine based on the given mapping table. Two types of mapping table are used to generate pulse width and timing injection. The first is injection pulse width corresponding to the rotation per minute (RPM) and manifold absolute pressure (MAP) and the second is RPM corresponding to encoder angle position. Both of these mapping tables are accessed concurrently within a single programming which reduces the use of extra microcontroller and memory. The EFI enables the mixing and combustion with 17.2:1 (by mass) air to fuel ratio (A/F). In injector measurement, the first large voltage of 35 V spike at 1.8 msec corresponds to the reduction in coil current from 4.5 A to 1 A. The pulse width resulted from the theoretical calculation can be used for the engine experiment between 3000 RPM and 8000 RPM. This is due to the air density value taken by the used formula. 2006-09 Thesis http://eprints.utm.my/id/eprint/5778/ http://eprints.utm.my/id/eprint/5778/1/VannebulaEkaIndragunaMFKE2006.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:62139 masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TK Electrical engineering Electronics Nuclear engineering HE Transportation and Communications TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering HE Transportation and Communications TK Electrical engineering Electronics Nuclear engineering Indraguna, Vannebula Eka Electronic fuel injection controller for natural gas vehicle motorcycle
description	Smaller vehicles are a major source of both air pollution and congested roads. The use of natural gas is recommended by the United States Federal Clean Air Act Amendments of 1990, because it is environmentally friendlier than petrol engine. Therefore, this thesis presents the design and development of a low cost electronic fuel injection (EFI) for natural gas vehicle (NGV) motorcycle. The design consists of signal conditioning, microcontroller systems and the injector drive circuit. The output of this research is a prototype of EFI which has the capability to control output engine based on the given mapping table. Two types of mapping table are used to generate pulse width and timing injection. The first is injection pulse width corresponding to the rotation per minute (RPM) and manifold absolute pressure (MAP) and the second is RPM corresponding to encoder angle position. Both of these mapping tables are accessed concurrently within a single programming which reduces the use of extra microcontroller and memory. The EFI enables the mixing and combustion with 17.2:1 (by mass) air to fuel ratio (A/F). In injector measurement, the first large voltage of 35 V spike at 1.8 msec corresponds to the reduction in coil current from 4.5 A to 1 A. The pulse width resulted from the theoretical calculation can be used for the engine experiment between 3000 RPM and 8000 RPM. This is due to the air density value taken by the used formula.
format	Thesis
qualification_level	Master's degree
author	Indraguna, Vannebula Eka
author_facet	Indraguna, Vannebula Eka
author_sort	Indraguna, Vannebula Eka
title	Electronic fuel injection controller for natural gas vehicle motorcycle
title_short	Electronic fuel injection controller for natural gas vehicle motorcycle
title_full	Electronic fuel injection controller for natural gas vehicle motorcycle
title_fullStr	Electronic fuel injection controller for natural gas vehicle motorcycle
title_full_unstemmed	Electronic fuel injection controller for natural gas vehicle motorcycle
title_sort	electronic fuel injection controller for natural gas vehicle motorcycle
granting_institution	Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department	Faculty of Electrical Engineering
publishDate	2006
url	http://eprints.utm.my/id/eprint/5778/1/VannebulaEkaIndragunaMFKE2006.pdf
_version_	1747814610291916800

Electronic fuel injection controller for natural gas vehicle motorcycle

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