In-cylinder pressure based real-time combustion control for reduction of combustion dispersions in light-duty diesel engines

被引：34

作者：

Chung, Jaesung ^{[1
]}

Min, Kyunghan ^{[1
]}

Oh, Seungsuk ^{[2
]}

Sunwoo, Myoungho ^{[1
]}

机构：

[1] Hanyang Univ, Dept Automot Engn, 222 Wangsimni Ro, Seoul 133791, South Korea

[2] Doosan Infracore, Corp Res & Dev Div, Adv Engine Syst Dev Team, 489 Hwasu Dong, Inchon 401702, South Korea

来源：

APPLIED THERMAL ENGINEERING | 2016年 / 99卷

基金：

新加坡国家研究基金会;

关键词：

In-cylinder pressure; Combustion control; Combustion parameters; Diesel engine; SEMIEMPIRICAL MODEL; PARTICULATE MATTER; PREDICTION;

D O I：

10.1016/j.applthermaleng.2016.01.012

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper proposes an in-cylinder pressure based real-time combustion control algorithm to reduce combustion dispersions from diesel engines. The proposed algorithm manipulates main injection quantity and timing as well as pilot injection quantity to control the Indicated Mean Effective Pressure (IMEP), crank angle location where 50% of Mass Fraction Burned (MFB50) and maximum value of Rate of Heat Release (ROHRmax). This control algorithm reduces the combustion dispersions by controlling the heat release curve for each operating condition. The proposed real-time combustion control structure mitigates combustion dispersions caused by operating condition changes, un-calibrated fuel injectors, and environmental condition variations, and it is validated with various experiments. In these experiments, various engine control variables were changed to validate the reduction in combustion dispersion when operating conditions change unintendedly. Changes in coolant temperature verified the compensation effect of the proposed algorithm under different external environments. It is validated with these experiments that there are 30% reduction in torque imbalances, a 10% emission dispersions reduction for NOx emissions, and a 65% reduction for PM emissions. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1183 / 1189

页数：7

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