An H∞ approach to fast rate fault detection for multirate sampled-data systems

被引：26

作者：

Izadi, Iman ^{[1
]}

Zhao, Qing ^{[1
]}

Chen, Tongwen ^{[1
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada

来源：

JOURNAL OF PROCESS CONTROL | 2006年 / 16卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

fault detection; residual generation; multirate systems; sampled-data systems; optimal H-infinity design;

D O I：

10.1016/j.jprocont.2005.10.004

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper the problem of fault detection in multirate sampled-data systems is studied. The lifting technique and direct design approach are used to convert the time-varying multirate design problem into an equivalent time-invariant single-rate discrete-time problem. A performance index is optimized to obtain a set of optimal and causal residual generators. The key new feature of such a residual generator is that it operates at a fast rate for prompt fault detection. (C) 2005 Elsevier Ltd. All rights reserved.

引用

页码：651 / 658

页数：8

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