Fuzzy Auto-tuning Techniques Applied to Air-fuel Ratio Control on A Lean Burn Engine

被引：1

作者：

Wang, Li ^{[1
]}

Zhang, Weiyu ^{[1
]}

Pei, Yiqiang ^{[2
]}

机构：

[1] Tianjin Agr Univ, Dept Mech & Elect Engn, Tianjin 300380, Peoples R China

[2] Tianjin Univ, State Key Lab Engine, Tianjin 300072, Peoples R China

来源：

NUMBERS, INTELLIGENCE, MANUFACTURING TECHNOLOGY AND MACHINERY AUTOMATION | 2012年 / 127卷

关键词：

Fuzzy auto-tuning; Air-fuel ratio; Lean burn engine;

D O I：

10.4028/www.scientific.net/AMM.127.434

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lean burn technology shows great potential in meeting the more strict emission regulation and realizing high efficiency and clean combustion. In this paper, a feedforward-feedback control system of the air-fuel ratio controlling for lean burn engine is presented. A fuzzy parameter self-tuning PID control scheme is used as feedback to balance the control accuracy and system complexity. Some lean burn engine air-fuel ratio control experiments are given to show the efficiency of the proposed method. With the proposed control system, the the actual engine air-fuel ratio can quickly track the desired air-fuel ratio when the engine load changes suddenly regardless of whether the target air-fuel ratio is 20 or 14.6. So, the fuzzy parameter self-tuning PID controller has excellent control performance under transient condition of lean burn engine.

引用

页码：434 / +

页数：2

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