Graph matching as a means to energy-visualisation of a counter-flow heat exchanger for the purpose of fault diagnosis

被引：5
|
作者：
van Graan, S. [1 ]
van Schoor, G. [2 ]
Uren, K. R. [1 ]
机构：
[1] North West Univ, Sch Elect Elect & Comp Engn, ZA-2520 Potchefstroom, South Africa
[2] North West Univ, Unit Energy & Technol Syst, ZA-2520 Potchefstroom, South Africa
来源：
IFAC PAPERSONLINE | 2017年 / 50卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
energy-visualisation; graph matching; heat exchanger; fault diagnosis; multi-domain; SYSTEMS;
D O I：
10.1016/j.ifacol.2017.08.637
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Energy is a holistic way of analysing multi-domain systems. By using energy, system information can be reduced to essential or dominant dynamics. This could be advantageous for the purpose of fault diagnosis. In this paper, a procedure that identifies which type of fault has occurred on a counter-flow heat exchanger and makes use of energy-visualisation is proposed. The novel methodology is achieving said energy-visualisation by using attributed graph matching. A model of a counter-flow heat exchanger is used for fault experiments. Thereafter, energy information is extracted from the model and packaged into attributed linear graphs. An attributed graph matching technique is applied to the linear graphs in order to obtain energy-visualisations for each fault. The approach of graph matching for energy-visualisation could uniquely identify three different faults. (C) 2017, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2842 / 2847
页数：6
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