Model predictive control of HCCI using variable valve actuation and fuel injection

被引：50

作者：

Ravi, Nikhil ^{[1
]}

Liao, Hsien-Hsin ^{[1
]}

Jungkunz, Adam F. ^{[1
]}

Widd, Anders ^{[2
]}

Gerdes, J. Christian ^{[1
]}

机构：

[1] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA

[2] Lund Univ, Dept Automat Control, Lund, Sweden

来源：

CONTROL ENGINEERING PRACTICE | 2012年 / 20卷 / 04期

关键词：

HCCI; Model predictive control; Actuator constraints; Split injection;

D O I：

10.1016/j.conengprac.2011.12.002

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Control of work output and combustion phasing on a Homogeneous Charge Compression Ignition (HCCI) engine is essential to realize the benefits of superior efficiency and emissions. This paper presents a model predictive control approach for cycle-by-cycle control of HCCI while respecting constraints on actuators that might exist on a production implementation. The strategy is based on a physical model developed in previous work and uses valve actuation and split fuel injection to achieve the control objectives. In addition, it considers constraints on air-fuel ratio, ensuring that the system stays away from very lean or rich regions. Simulation and experimental results show that the controller works well over a range of conditions, and demonstrate the potential of this approach as a practical cycle-by-cycle control strategy for HCCI. (c) 2011 Elsevier Ltd. All rights reserved.

引用

页码：421 / 430

页数：10

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