Model-Based State Feedback Controller Design for a Turbocharged Diesel Engine with an EGR System

被引：9
|
作者：
Dong, Tianpu [1 ]
Zhang, Fujun [1 ]
Liu, Bolan [1 ]
An, Xiaohui [2 ]
机构：
[1] Beijing Inst Technol, Sch Mech Engn, Lab Powertrain Syst Sci & Control, Beijing 100081, Peoples R China
[2] China North Vehicle Res Inst, Beijing 100072, Peoples R China
来源：
ENERGIES | 2015年 / 8卷 / 06期
关键词：
AIR CHARGE ESTIMATION;
D O I：
10.3390/en8065018
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper describes a method for the control of transient exhaust gas recirculation (EGR) systems. Firstly, a state space model of the air system is developed by simplifying a mean value model. The state space model is linearized by using linearization theory and validated by the GT-Power data with an operating point of the diesel engine. Secondly, a state feedback controller based on the intake oxygen mass fraction is designed for EGR control. Since direct measurement of the intake oxygen mass fraction is unavailable on the engine, the estimation method for intake oxygen mass fraction has been proposed in this paper. The control strategy is analyzed by using co-simulation with the Matlab/Simulink and GT-Powers software. Finally, the whole control system is experimentally validated against experimental data of a turbocharged diesel engine. The control effect of the state feedback controller compared with PID controller proved to be further verify the feasibility and advantages of the proposed state feedback controller.
引用
收藏
页码：5018 / 5039
页数：22
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