Cascaded control of combustion and pollutant emissions in diesel engines

被引:13
|
作者
Tschanz, Frederic [1 ]
Zentner, Stephan [2 ]
Onder, Christopher H. [2 ]
Guzzella, Lino [2 ]
机构
[1] Honeywell Automot Software, N Vancouver, BC V7J 3S4, Canada
[2] ETH, Swiss Fed Inst Technol, Dept Mech & Proc Engn, Inst Dynam Syst & Control, CH-8092 Zurich, Switzerland
关键词
Diesel engines; Model-based control; Automotive emissions; Engine control; Fuel control; Embedded systems;
D O I
10.1016/j.conengprac.2014.01.023
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 the emissions of diesel engines is an upcoming approach for complying with legislation while limiting the calibration effort. In this paper, a controller for engine-out NOx and PM is combined with a controller for the center of main combustion and the indicated mean effective pressure. The inner cascade combustion controller effectively reduces unwanted influences on the combustion. These influences are partly coupled to the outer-loop manipulated variables and partly result from disturbances which commonly appear in diesel engines. Robust stability is analyzed and holds in a wide operating range. Performance of the control structure is demonstrated with experiments. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:176 / 186
页数:11
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