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This paper presents an approach to a knowledge-based real-time diagnostic system for PLC controlled manufacturing systems. A general structure of the diagnostic system is implemented, which is the… (More)
Abstract Among all kinds of possible faults in a manufacturing system, operational faults occur most often (about 70%). Efficient diagnosis of these faults is critical for improving the availability… (More)
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… (More)
The technology of neural networks and expert systems are finding increasing applications in the field of machine tool diagnostics. In this paper, the advantages and disadvantages of these methods are… (More)
A flexible manufacturing system (FMS) is an application of modern manufacturing techniques. Like for other manufacturing equipment, the success of an FMS is very much dependent upon its trouble-free… (More)