Control-Oriented Model of a Turbocharged Engine Airpath with Discrete-Time Considerations

被引：0

作者：

Tan, Raechel ^{[1
]}

Tomizuka, Masayoshi ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA

来源：

2016 AMERICAN CONTROL CONFERENCE (ACC) | 2016年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Model-based control is a systematic way to manage the tradeoff between fuel efficiency and torque responsiveness in a turbocharged engine. This paper describes the development of a discrete-time model of a turbocharged engine airpath for future use in a discrete-time, model-based controller. First, a control-oriented 4-state model is developed in continuous time, but suffers from chattering after discretization. To fix this problem, a fast mode is eliminated by representing the throttle pressure ratio as a static map. This results in a 3state model that is easily discretized for use in a discrete-time, model-based controller.

引用

页码：5075 / 5080

页数：6

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