Control strategy &amp;amp; calibration of fuel injection impulse width on EFI motorcycle engine

Peng, Meichun; Xubing, Deng; Liang, Xiaofeng

doi:10.1109/iceice.2011.5776821

Cited by 5 publications

(2 citation statements)

References 1 publication

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“…Because the engine works with direct fuel injection, performance increase when the throttle aperture is greater [29], showing rising torque and power graph curves and high values for a 90% throttle aperture, it should be noted, as a positive factor, that for this condition the pumping losses during the scavenge process are lower. When the throttle aperture decreases, the values of torque and power also decrease until they produce unstable and irregular engine operation for throttle apertures of 30% and 20%.…”

Section: Engine Tests With Electronic Direct Fuel Injectionmentioning

confidence: 99%

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

Gutiérrez,

Sala,

Delpeuch

2023

Preprint

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This study presents the design and construction of an electronic low-pressure gasoline direct injection system for two-stroke engines, with the objective to study engine performance and the emission of exhaust polluting gases, maintaining the expectations of this type of engine. The investigation includes a test bench with an incorporated engine and the required control devices for this, as well as a gas analyzer Class 0, a Computerized Data Acquisition and several tools for displaying and process all the electronic signals from the engine in real time. In order to manage this system, a custom electronic injection control unit has been designed and built, which allows control the fuel injection timing and duration. This unit uses the signal from an inductive sensor installed in the crankshaft as a reference and synchronization point. Additionally, modifications have been made to the fuel feeder circuit and the electronic of the test engine, as well as to some parts of the mechanism in order to adapt them to this technology. The implementation of the engine tests is described, and the performance and operational points of the original system and those of the new injection system are evaluated.

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Section: Engine Tests With Electronic Direct Fuel Injectionmentioning

confidence: 99%

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

Gutiérrez,

Sala,

Delpeuch

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Comparison carburetor system and injection system with direct injection contruction system at 750rpm until 1500rpm to generate low emission and increase atomization air-fuel mixture [7]. Change injection duration time at motorcyle 156 cc with increase duration time injection by using hall effect sensor to generate low emission 70% [17]. Modification design of intake manifold with CFD simulation that result manifold bending in close 180 degrees is generate perfect air-fuel mixture [26].…”

Section: Introductionmentioning

confidence: 99%

Manufacture and Analysis Performance of Injection Device System 4 Stroke Engine Againts Emissions

Cahyo,

Irawan

2024

ajse

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Electronic fuel injection is a mechanism of fuel injection by electronic in to combustion chamber with Electronic Control Unit (ECU) for process control enter and burning air-fuel mixture. Fuel injection system is a development of natural suction system which next five years will no longer be produced. Natural suction system produces high emissions due to inhomogenous the air-fuel mixture. The natural suction system still widely used and its possible that in the next five years it will no longer be produced. The purposes of the study are manufacture and redesign injection intake manifold by sand casting with alumunium material as a replacement of natural suction fuel system with Arduino AT-Mega 2560 as a microcontroller with crankshaft posistion sensor, unit sensor (manifold absolute pressure, throttle position, intake air themperature) to produce eficient emissions. The study method of analysis data for making conclusion is quantitive experiments twoway anova with two independent variables are (1) intake manifold type and (2) fuel flow rate volume against emissions. The study results are manufacture of injection intake manifold by using the sand casting method with aluminium material is simple mehod for changes to the injection system againts emissions with value CO 14,27%, HC 212 ppm, CO2 12,133 % and O2 6,270 %, intake manifold type and fuel flow volume significant againts emissions. Keywords: Injection Device System, Intake Manifold, Redesign, Emissions

show abstract

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

Gutiérrez,

Sala,

Delpeuch

2024

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

This study presents the design and construction of an electronic low-pressure gasoline direct injection system for two-stroke engines, with the objective to study engine performance and the emission of exhaust polluting gases, maintaining the expectations of this type of engine. The investigation includes a test bench with an incorporated engine and the required control devices for this, as well as a gas analyzer Class 0, a computerized data acquisition and several tools for displaying and process all the electronic signals from the engine in real time. In order to manage this system, a custom electronic injection control unit has been designed and built, which allows to control the fuel injection timing and duration. This unit uses the signal from an inductive sensor installed in the crankshaft as a reference and synchronization point. Additionally, modifications have been made to the fuel feeder circuit and the electronic of the test engine, as well as to some parts of the mechanism in order to adapt them to this technology. The implementation of the engine tests is described, and the performance and operational points of the original system and those of the new injection system are evaluated.

show abstract

Control strategy & calibration of fuel injection impulse width on EFI motorcycle engine

Cited by 5 publications

References 1 publication

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

Manufacture and Analysis Performance of Injection Device System 4 Stroke Engine Againts Emissions

Low-pressure gasoline direct injection system development and emissions analysis for a reciprocating two-stroke engine

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