Investigation on the Nonlinear Control System of High-Pressure Common Rail (HPCR) System in a Diesel Engine

被引：1
|
作者：
Cai, Le [1 ]
Mao, Xiaobing [1 ]
Ma, Zhexuan [1 ]
机构：
[1] Wuhan Univ Technol, Sch Energy & Power Engn, Wuhan 430063, Hubei, Peoples R China
来源：
2018 INTERNATIONAL CONFERENCE ON CONTROL ENGINEERING AND ARTIFICIAL INTELLIGENCE (CCEAI 2018) | 2018年 / 976卷
关键词：
D O I：
10.1088/1742-6596/976/1/012001
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This study first constructed the nonlinear mathematical model of the high-pressure common rail (HPCR) system in the diesel engine. Then, the nonlinear state transformation was performed using the flow's calculation and the standard state space equation was acquired. Based on sliding-mode variable structure control (SMVSC) theory, a sliding-mode controller for nonlinear systems was designed for achieving the control of common rail pressure and the diesel engine's rotational speed. Finally, on the simulation platform of MATLAB, the designed nonlinear HPCR system was simulated. The simulation results demonstrate that sliding-mode variable structure control algorithm shows favorable control performances and overcome the shortcomings of traditional PID control in overshoot, parameter adjustment, system precision, adjustment time and ascending time.
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页数：9
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