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A review of artificial intelligence machine condition with a widespread consideration of "grey system theory"

Author
KRZYSZTOF JUREK, BOGDAN ŻÓŁTOWSKI
Keywords
Grey systems, vibration diagnostics, forecasting, modelling of condition
Abstract

The publication describes Grey System Theory (GST) and takes into account Grey differential model (GM) and Grey Generating Space (GS). Grey System Theory shows to which extent vibration signals (deriving from tested objects) influence the evaluation and analysis of machine condition. The above-mentioned theory applies under the existence of fixed, non-negative and monotonic data correlated with insufficient and uncertain data sources. In relation to these circumstances, the Forecasting (rolling window) method seems to be an appropriate solution, which remains the main subject of this paper.

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