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Establishment of a Real-Time Simulation of a Marine High-Pressure Common Rail System

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  • Qinpeng Wang

    (School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    Key Laboratory of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education, Wuhan 430063, China
    National Engineering Laboratory of Ship and Marine Engineering Power Systems, Wuhan 430063, China)

  • Heming Yao

    (School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China)

  • Yonghua Yu

    (School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    Key Laboratory of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education, Wuhan 430063, China
    National Engineering Laboratory of Ship and Marine Engineering Power Systems, Wuhan 430063, China)

  • Jianguo Yang

    (School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    Key Laboratory of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education, Wuhan 430063, China
    National Engineering Laboratory of Ship and Marine Engineering Power Systems, Wuhan 430063, China)

  • Yuhai He

    (School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
    Key Laboratory of High Performance Ship Technology, Wuhan University of Technology, Ministry of Education, Wuhan 430063, China
    National Engineering Laboratory of Ship and Marine Engineering Power Systems, Wuhan 430063, China)

Abstract

In this paper, the high-pressure common rail system of the marine diesel engine is taken as case study to establish a real-time simulation model of the high-pressure common rail system that can be used as the controlled object of the control system. On the premise of ensuring accuracy, the real-time simulation should also respond quickly to instructions issued by the control system. The development of the real-time simulation is based on the modular modeling method, and the high-pressure common rail system is divided into submodels, including the high-pressure oil pump, common rail tube, injector, and mass conversion. The submodels are built using the “surrogate model” method, which is mainly composed of MAP data and empirical formulas. The data used to establish the real-time simulation are not only from the empirical research into the high-pressure common rail system, but also from simulations of the high-pressure common rail system undertaken in AEMSim. The data obtained from this real-time simulation were compared with the experimental data to verify the model. The error in fuel injection quality is less than 5%, under different pressures and injection durations. In order to carry out dynamic verification, the PID control strategy, the model-based control strategy, and the established real-time simulation are all closed-loop tested. The results show that the developed real-time simulation can simulate the rail pressure wave caused by cyclic injection according to the control signal, and can feedback the control effect of different control strategies. Through verification, it is clear that the real-time simulation of the high-pressure common rail system can depict the rail pressure fluctuation caused by each cycle of fuel injection, while ensuring the accuracy and responsiveness of the simulation, which provides the ideal conditions for the study of a rail pressure control strategy.

Suggested Citation

  • Qinpeng Wang & Heming Yao & Yonghua Yu & Jianguo Yang & Yuhai He, 2021. "Establishment of a Real-Time Simulation of a Marine High-Pressure Common Rail System," Energies, MDPI, vol. 14(17), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:17:p:5481-:d:627952
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    References listed on IDEAS

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    1. Jinguan Yin & Tiexiong Su & Zhuowei Guan & Quanhong Chu & Changjiang Meng & Li Jia & Jun Wang & Yangang Zhang, 2017. "Modeling and Validation of a Diesel Engine with Turbocharger for Hardware-in-the-Loop Applications," Energies, MDPI, vol. 10(5), pages 1-17, May.
    2. Tang, Yuanyuan & Zhang, Jundong & Gan, Huibing & Jia, Baozhu & Xia, Yu, 2017. "Development of a real-time two-stroke marine diesel engine model with in-cylinder pressure prediction capability," Applied Energy, Elsevier, vol. 194(C), pages 55-70.
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    Cited by:

    1. Binyamin Binyamin & Ocktaeck Lim, 2023. "Numerical Analysis of the Structural and Flow Rate Characteristics of the Fuel Injection Pump in a Marine Diesel Engine," Sustainability, MDPI, vol. 15(11), pages 1-20, June.

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