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Optimization of Operating Parameters for Stable and High Operating Performance of a GDI Fuel Injector System

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  • Wen-Chang Tsai

    (School of Mechanical and Electrical Engineering, Xiamen University Tan Kah Kee College, Xiamen University, Zhangzhou 363105, China)

Abstract

In this study, a novel injector driving circuit was developed to achieve the regulation of fuel injection quantity and to work with the engine control system in a vehicle. The main purpose of the proposed injector driving circuit is to control the quantity and timing of fuel injection within the gasoline direct injection (GDI) fuel injector system. In this paper, a mathematical state model of a high-pressure (H.P.) fuel injector system is derived and the improved Taguchi method is proposed to define the optimal operating parameter settings of a fuel injector system. The experiments on fuel injection quantity were performed to achieve the requirements of the injector driving circuit. The fuel quantity sprayed from a fuel injector system under these control parameters was analyzed by leading the design of experiments. The S/N and β slopes were analyzed to determine their optimal control settings. The H.P. injector driving circuit developed was designed to drive the fuel injector and spray the injected quantity of fuel into the flask following the optimized control factors. The experimental results demonstrate that the H.P. fuel injecting system exhibits better and more stable operating performance, to assure the accurate injection quantity for the GDI injector, and it was also realized with low cost metal oxide semiconductor field effect transistor (MOSFET) switches.

Suggested Citation

  • Wen-Chang Tsai, 2020. "Optimization of Operating Parameters for Stable and High Operating Performance of a GDI Fuel Injector System," Energies, MDPI, vol. 13(10), pages 1-22, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2405-:d:356790
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    References listed on IDEAS

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    1. Wang, Chongming & Xu, Hongming & Herreros, Jose Martin & Wang, Jianxin & Cracknell, Roger, 2014. "Impact of fuel and injection system on particle emissions from a GDI engine," Applied Energy, Elsevier, vol. 132(C), pages 178-191.
    2. Mohsin Raza & Longfei Chen & Felix Leach & Shiting Ding, 2018. "A Review of Particulate Number (PN) Emissions from Gasoline Direct Injection (GDI) Engines and Their Control Techniques," Energies, MDPI, vol. 11(6), pages 1-26, June.
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    Cited by:

    1. Łukasz Warguła & Mateusz Kukla & Piotr Lijewski & Michał Dobrzyński & Filip Markiewicz, 2020. "Influence of Innovative Woodchipper Speed Control Systems on Exhaust Gas Emissions and Fuel Consumption in Urban Areas," Energies, MDPI, vol. 13(13), pages 1-22, June.
    2. Marcin Witczak & Marcin Mrugalski & Bogdan Lipiec, 2021. "Remaining Useful Life Prediction of MOSFETs via the Takagi–Sugeno Framework," Energies, MDPI, vol. 14(8), pages 1-23, April.

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