Development of a real-time simulation model for a control-oriented high-pressure common rail fuel system of the marine diesel engine

被引：0
|
作者：
Yao H. [1 ]
Wang Q. [1 ,2 ,3 ]
Yang J. [1 ,2 ,3 ]
Yu Y. [1 ,2 ,3 ]
Wang Y. [1 ]
He Y. [1 ,2 ,3 ]
机构：
[1] School of naval architecture, ocean and energy power engineering, Wuhan University of Technology, Wuhan
[2] Key Laboratory of Marine Power Engineering and Technology Granted by MOT, Wuhan University of Technology, Wuhan
[3] National Engineering Laboratory of Ship and Marine Engineering Power Systems, Wuhan University of Technology, Wuhan
来源：
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2022年 / 43卷 / 01期
关键词：
Closed loop control; High-pressure common rail fuel system; Marine diesel engine; Modular modeling; Rail pressure control; Real-time simulation model;
D O I：
10.11990/jheu.202012003
中图分类号：
学科分类号：
摘要：
To provide controlled objects for the software of marine diesel engine electronic control systems, the performance simulation model of a high-pressure common rail fuel system was first established, and the characteristic data of common rail components were calculated. We take the high-pressure common rail fuel system of the marine diesel engine as the simulation object. Then, real-time simulation models are established using the performance simulation calculation data and calculation formula, including a high-pressure oil pump sub-model, common rail tube model, injector sub-model, and mass conversion sub-model. The real-time simulation models can calculate pressure fluctuation, fuel injection quantity, injection rate, and other characteristic parameters of the high-pressure common rail fuel system in real-time according to the fuel injection control and rail pressure regulation signals sent by the electronic control system. The developed real-time simulation models of the high-pressure common rail fuel system were compared in terms of the accuracy of fuel injection under steady-state conditions and pressure fluctuations of common rail under closed loop control, and the errors are all within 5%. The real-time simulation models of the high-pressure common rail fuel system established in this study can be used as the controlled simulation object for the development and function verification of the injection control strategies of electronic control systems. Copyright ©2022 Journal of Harbin Engineering University.
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页码：99 / 107
页数：8
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