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International Journal of Automotive Technology > Volume 24(1); 2023 > Article
International Journal of Automotive Technology 2023;24(1): 147-158.
doi: https://doi.org/10.1007/s12239-023-0013-x
GPIO BASED SLIDING MODE CONTROL FOR DIESEL ENGINE HIGH PRESSURE COMMON RAIL SYSTEM
Zheng Yuan 1, Chen Dai 1, Hao Sun 1, Shihua Li 1, Bifeng Yin 2
1School of Automation, Southeast University
2School of Automotive and Traffic Engineering, Jiangsu University
PDF Links Corresponding Author.  Shihua Li  , Email. lsh@seu.edu.cn
ABSTRACT
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.
Key Words: Sliding mode control, Generalized proportional integral observer, High pressure common rail, Rail pressure control, AMESim environment
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