Frequency Domain Design of Fractional Order PI Controllers for Lambda Control

被引：0
|
作者：
Precup, Radu-Emil [1 ]
Bota, Dan Cristian [1 ]
Dragos, Claudia-Adina [1 ]
Stinean, Alexandra-Iulia [1 ]
Preitl, Stefan [1 ]
Radac, Mircea-Bogdan [1 ]
机构：
[1] Politehn Univ Timisoara, Dept Automat & Appl Informat, Timisoara, Romania
来源：
2014 18TH INTERNATIONAL CONFERENCE SYSTEM THEORY, CONTROL AND COMPUTING (ICSTCC) | 2014年
关键词：
automotive engine control systems; constraints; fractional order PI controllers; frequency domain design; lambda control;
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：
This paper proposes the frequency domain design of fractional order proportional-integral (FOPI) controllers for lambda control in the framework of automotive engine control systems. A simplified first order plus dead time model of the process is used in the design. The flatness of the open-loop Bode phase plot around the gain crossover frequency is imposed as a constraint in the frequency domain design that results in tuning conditions for FOPI controllers. The comparison of FOPI versus integer order PI controllers is supported by digital simulation results.
引用
收藏
页码：652 / 657
页数：6
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