Two diagnostic models for PLC controlled flexible manufacturing Systems

被引：20

作者：

Hu, W ^{[1
]}

Starr, AG ^{[1
]}

Leung, AYT ^{[1
]}

机构：

[1] Univ Manchester, Manchester Sch Engn, Manchester M13 9PL, Lancs, England

来源：

INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE | 1999年 / 39卷 / 12期

关键词：

discrete diagnosis; PLC; FMS; logical diagnosis; sequential diagnosis;

D O I：

10.1016/S0890-6955(99)00022-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The control of flexible manufacturing systems (FMS's) is generally characterised by logical and sequential functions under the auspices of a programmable logic controller (PLC). Operational faults associated with control processes are often confusing to maintenance personnel at workshop level. This has resulted in the development of automatic diagnosis techniques. In this paper two generic diagnostic models based on the logical function chart and sequential:control process of the PLC are developed. With the two complementary models, the major operational faults of PLC controlled FMS's can be diagnosed. Application of the models to a typical FMS is presented. (C) 1999 Elsevier Science;Ltd. All rights reserved.

引用

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页数：13

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