Advances and new directions in plant-wide disturbance detection and diagnosis

被引：134

作者：

Thornhill, Nina F. ^{[1
]}

Horch, Alexander

机构：

[1] UCL, Dept Elect & Elect Engn, London WC1E 7JE, England

[2] ABB Corp Res Ctr, Landenburg, Germany

来源：

CONTROL ENGINEERING PRACTICE | 2007年 / 15卷 / 10期

关键词：

fault detection; oscillation; plant-wide; process monitoring; signal analysis; whole-plant;

D O I：

10.1016/j.conengprac.2006.10.011

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 article reviews advances in detection and diagnosis of plant-wide control system disturbances in chemical processes and discusses new directions that look promising for the future. Causes of plant-wide disturbances include non-linear limit cycles in control loops, controller interactions and tuning problems. The diagnosis of non-linearity, especially when due to valve stiction, has been an active area. Detection of controller interactions and disturbances due to plant structure remain open issues, however, and will need new approaches. For the future, the linkage of data-driven analysis with a qualitative model of the process is an exciting prospect. Finally, the paper offers some brief comments about emerging applications. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：1196 / 1206

页数：11

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