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    • 王勤鹏，李静，杨建国，余永华.船用低速电控柴油机实时仿真模型开发研究[J].内燃机工程,2021,42(1):60-67.
    Research on Real-Time Simulation Model for Electronically Controlled Low-Speed Marine Diesel Engine
    DOI：10.13949/j.cnki.nrjgc.2021.01.010
    Key Words:marine low-speed diesel engine  real-time simulation model  electronic control system
    Author NameAffiliation
    WANG Qinpeng, LI Jing, YANG Jianguo, YU Yonghua l. School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China；2. Key Laboratory of Marine Power Engineering and Technology Granted by MOT, Wuhan University ofTechnology, Wuhan 430063, China； 3. National Engineering Laboratory of Ship and Marine EngineeringPower Systems, Wuhan University of Technology, Wuhan 430063, China 
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    Abstract:Based on the analysis of the function of low speed engine control system, the function of real-time simulation model of electronically controlled low-speed marine diesel engines was determined. Using the modular modeling method, sub-models of in-cylinder working process, intake and exhaust process, turbocharger and intercooler were developed for the real-time engine simulation model. Independent sub-models of fuel injection, exhaust valve and auxiliary fan were established as the controlled objects of the engine electronic control system to control engine operation, which enabled simulated performance parameters to vary in real time with the change of control parameters. Finally, the real time engine simulation model was integrated with the hardware-in-the-loop hardware. The verification of the accuracy and real-time performance of the developed real-time simulation model for low-speed engines was carried out by test. The simulated data was compared with the test data in the test report. The maximum difference between the simulated data and test data in the steady-state conditions was less than 5%, and the real time factor running in the simulation was less than 1.The accuracy and real-time performance of the low-speed diesel engine simulation model meets the test requirement of the hardware-in-the=loop simulation system and it can be used in the low-speed diesel engine hardware-in-the-loop simulation system to carry out the functional test of electronic control system.
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