Maximum Sensitivity Based Robust Tuning for Two-Degree-of-Freedom Proportional-Integral Controllers

被引：11
|
作者：
Alfaro, V. M. [1 ]
Vilanova, R. [2 ]
Arrieta, O. [2 ]
机构：
[1] Univ Costa Rica, Dept Automat, Escuela Ingn Elect, San Jose 115012060, Costa Rica
[2] Univ Autonoma Barcelona, Dept Telecomunicacio & Engn Sistemes, E-08193 Barcelona, Spain
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2010年 / 49卷 / 11期
关键词：
PID CONTROLLERS; PHASE MARGIN; DESIGN;
D O I：
10.1021/ie901617y
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A tuning method for two-degree-of-freedom (2-DoF) proportional-integral (PI) controllers for first-order-plus-dead-time (FOPDT) models is presented It allows the designer to deal with the closed-loop control system per formance robustness trade-off specifying the lowest robustness level allowed by selecting a maximum sensitivity in the 1.4-2.0 range. In addition, a smooth performance is obtained by forcing the regulatory and servo-control closed-loop transfer functions to perform as close as possible to a target nonoscillatory dynamics Controller tuning rules are provided for FOPDT models with normalized dead-times from 0.1 to 2.0 Comparative examples show the effectiveness of the proposed tuning method.
引用
收藏
页码：5415 / 5423
页数：9
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