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In this paper, graph of a process (GP) is introduced as a new formalization of causal graph useful in fault diagnosis. Faults are directly incorporated into the model. In this paper, we propose the concept of model structure (MS), which can be used for building fuzzy and neural models for fault detection. Algorithms for finding all MSs and methods for determining faults-symptoms relation are developed...
The paper concerns the problems of on-line diagnosis of industrial processes with multiple faults. The authors discussed some hypotheses of multiple faults isolation conditions. Particularly, the multiple fault isolation analysis under assumption of single faults hypothesis is discussed. The simple, practical algorithm of multiple fault isolation was given.
This paper describes an innovative concept for an advanced monitoring, control and diagnosis system for pumps. According to leading experts about 20% of the electrical energy used in industry is used for pumps and about 30% of this energy could be saved if intelligent control systems would be applied. In spite of this fact, currently very often no control at all is used. The causes for this low application...
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