A NEW TECHNIQUE FOR FAULT-DETECTION USING PETRI NETS

被引：52

作者：

PROCK, J

机构：

[1] Gesellschaft für Reaktorsicherheit

来源：

AUTOMATICA | 1991年 / 27卷 / 02期

关键词：

FAILURE DETECTION; LEAK DETECTION; NUCLEAR PLANTS; ONLINE OPERATION; PETRI NETS; SENSOR FAILURES; SIGNAL PROCESSING;

D O I：

10.1016/0005-1098(91)90074-C

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new method of fault detection using dynamic measurement signals which is suitable for larger systems is presented. By modelling the system as a Petri net, failures with very slow time constants are detectable. The method is limited to the identification of sensor or process errors which are manifested in signals related to physical conservation quantities. After a fault is detected a prognosis of the future system's behavior can be provided. The method is applied to a nuclear power plant secondary cooling loop. The advantages and drawbacks are discussed in detail.

引用

页码：239 / 245

页数：7