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    • 周文杰，程江华，石磊，邢卫东，邓康耀.柴油机相继增压切换过程阀门耦合控制研究[J].内燃机工程,2020,41(5):70-76.
    Research on Valves Coupling Control in Diesel Engine Sequential Supercharging Switching Process
    DOI：10.13949/j.cnki.nrjgc.2020.05.010
    Key Words:diesel engine  sequential supercharging  transient simulation  control strategy
    Author NameAffiliation
    ZHOU Wenjie，CHENG Jianghua，SHI Lei，XING Weidong，DENG Kangyao 1.Key Laboratory for Power Machinery & Engineering of Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China
     2.China North Engine Research Institute， Tianjin 300400, China 
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    Abstract:In order to solve the problems of compressor surge and backflow during the switching process of the sequential supercharging system of a diesel engine, a coupled GT Power/Simulink sequential supercharging system simulation model was established and the influence was studied of delayed compressor action during the switching process on the compressor surge and backflow. The simulation results showed that the delayed shutdown of any compressor could avoid the compressor surge, and the delayed startup of any compressor could avoid the reverse flow. Through an appropriate valves coupling control strategy, the fluctuation of boost pressure during the switching process could be reduced by 9.3%~21.6%.
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