Abstract
Background: The study of kerosene fuel for gasoline engines is of great significance to the supply, management, storage, transportation of military fuel, as well as its safety. A small aviation twostroke kerosene engine fuel injection controller is the key technology of kerosene engines. It is very important to improve the performance of kerosene engine by controlling the air-fuel ratio accurately.
Objective: In this study, the initial injection pulse spectrum was firstly obtained by numerical calculation in the absence of kerosene injection pulse spectrum, and then the injection controller was designed based on the initial injection pulse spectrum.
Methodology: Firstly, a numerical model of the whole engine was established by using BOOST software. The air mass flow data of the inlet was obtained through numerical calculation. The amount of initial engine fuel injection was calculated according to the requirements of air-fuel ratios in each working condition, from which an initial injection pulse spectrum was obtained. Then, based on Freescale 16-bit embedded micro-controller MC9S12DP512, a kerosene engine fuel injection controller was developed, together with the circuit. According to the initial fuel injection pulse spectrum, a twodimensional interpolation algorithm was developed by using assembly language and C language mixed programming, and the anti-electromagnetic interference ability of the controller was further enhanced. Finally, the accuracy of the initial injection pulse spectrum and the performance and reliability of the injection controller of the kerosene engine were verified by the kerosene engine bench test.
Results: The experimental results show that the numerical model was accurate, and the development time of the injection controller reduced by using the numerical model to calculate the initial injection pulse spectra.
Conclusion: The developed controller was observed to be stable and reliable, which can meet the control requirement.
Keywords: Two-stroke engine, kerosene, injection controller, initial injection pulse spectrum, reliability, small aviation.
Graphical Abstract
Recent Patents on Engineering
Title:Development of a Small Aviation Two-stroke Kerosene Engine Fuel Injection Controller
Volume: 14 Issue: 4
Author(s): Linlin Chen, Qun Sun*, Weidong Gao and Chong Wang
Affiliation:
- School of Mechanical and Automotive Engineering, Liaocheng University, Liaocheng,China
Keywords: Two-stroke engine, kerosene, injection controller, initial injection pulse spectrum, reliability, small aviation.
Abstract:
Background: The study of kerosene fuel for gasoline engines is of great significance to the supply, management, storage, transportation of military fuel, as well as its safety. A small aviation twostroke kerosene engine fuel injection controller is the key technology of kerosene engines. It is very important to improve the performance of kerosene engine by controlling the air-fuel ratio accurately.
Objective: In this study, the initial injection pulse spectrum was firstly obtained by numerical calculation in the absence of kerosene injection pulse spectrum, and then the injection controller was designed based on the initial injection pulse spectrum.
Methodology: Firstly, a numerical model of the whole engine was established by using BOOST software. The air mass flow data of the inlet was obtained through numerical calculation. The amount of initial engine fuel injection was calculated according to the requirements of air-fuel ratios in each working condition, from which an initial injection pulse spectrum was obtained. Then, based on Freescale 16-bit embedded micro-controller MC9S12DP512, a kerosene engine fuel injection controller was developed, together with the circuit. According to the initial fuel injection pulse spectrum, a twodimensional interpolation algorithm was developed by using assembly language and C language mixed programming, and the anti-electromagnetic interference ability of the controller was further enhanced. Finally, the accuracy of the initial injection pulse spectrum and the performance and reliability of the injection controller of the kerosene engine were verified by the kerosene engine bench test.
Results: The experimental results show that the numerical model was accurate, and the development time of the injection controller reduced by using the numerical model to calculate the initial injection pulse spectra.
Conclusion: The developed controller was observed to be stable and reliable, which can meet the control requirement.
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About this article
Cite this article as:
Chen Linlin , Sun Qun *, Gao Weidong and Wang Chong , Development of a Small Aviation Two-stroke Kerosene Engine Fuel Injection Controller, Recent Patents on Engineering 2020; 14 (4) . https://dx.doi.org/10.2174/1872212113666191008113331
DOI https://dx.doi.org/10.2174/1872212113666191008113331 |
Print ISSN 1872-2121 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-4047 |
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