Design of a Data-Driven Two-Degree-of-Freedom Control System Considering Robustness

被引：0
|
作者：
Sakaki, Ayumu [1 ]
Kinoshita, Takuya [1 ]
Yamamoto, Toru [1 ]
机构：
[1] Hiroshima Univ, Grad Sch Engn, Dept Syst Cybernet, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan
来源：
2018 15TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS AND VISION (ICARCV) | 2018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：
Virtual reference feedback tuning (VRFT) and fictitious reference iterative tuning (FRIT) are the data-driven tuning schemes for directly designing feedback controllers. These schemes have been extended to two-degree-of-freedom (2DOF) control systems in recent years. The conventional design schemes of 2DOF controllers need a complicated two-stage tuning process. This paper describes a one-stage tuning scheme for the 2DOF control system using a fictitious exogenous signal based on a data-driven method. In the proposed scheme, 2DOF controllers are designed with one criterion, and the least squares method is applied to find the optimal set of 2DOF controller parameters. According to the proposed scheme, the reference models are determined based on the stability margin that is quantified by the sensitivity function. It is also possible to design a control system taking robustness into account. Finally, the effectiveness of the proposed scheme is numerically verified using a simulation example.
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页码：389 / 393
页数：5
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