With the rapid development of diesel engines, reducing the pressure fluctuation of the common rail has become a key factor to improve the performance of the high pressure common rail (HPCR) system. Among traditional rail pressure control approaches, the influence of time-varying disturbances on the HPCR system is not fully considered and is not well dealt with. To this end, a nonlinear model of the HPCR system is firstly established based on fluid dynamics and mechanics laws. And a composite controller based on the nonlinear model is proposed. It consists of two parts: 1) A sliding mode feedback part; 2) A disturbance feedforward compensation part based on a generalized proportional integral observer. Finally, a group of test is simulated in the AMESim simulation environment and the results are shown to demonstrate the effectiveness of the proposed method.


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    Title :

    GPIO Based Sliding Mode Control for Diesel Engine High Pressure Common Rail System


    Additional title:

    Int.J Automot. Technol.


    Contributors:
    Yuan, Zheng (author) / Dai, Chen (author) / Sun, Hao (author) / Li, Shihua (author) / Yin, Bifeng (author)

    Published in:

    Publication date :

    2023-02-01


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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