Time-series data diagnosing/compressing method
AssigneeHitachi, Ltd.
InventorsShoji Suzuki, Junsuke Fujiwara, Hideaki Suzuki
Life of this patent
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AssigneeHitachi, Ltd.
InventorsShoji Suzuki, Junsuke Fujiwara, Hideaki Suzuki
Estimating the term…
An allowable error used for compressing time-series data can be set without knowledge of equipment. It is possible to prevent the data from being lost not only in the event of an abnormality, but also during a period in which an evidence of a predicted abnormality is detected. In addition, it is also possible to verify the properness of a set allowable error. Thus, the amount of data gathered and stored in a memory can be reduced without losing information required for detection of an evidence of a predicted abnormality occurring in the equipment of interest. As a result, it is possible to provide a time-series data diagnosing/compressing method capable of gathering time-series data with a high degree of efficiency and a data gathering/storing apparatus adopting the method. That is to say, in accordance with the present invention, there is provided a predicted-failure-evidence diagnosing section not depending on the equipment and not requiring knowledge of the equipment and, on the basis of a result of a predicted-abnormality-evidence diagnosis carried out by this section on time-series data gathered from the equipment, an allowable error used for compressing the gathered data can be set and managed in order to compress the data if the result of the diagnosis is normal or restrict the compression of the data during a period in which an evidence of a predicted abnormality is detected. Thus, the amount of data stored in a memory can be reduced.
A time-series data diagnosing/compressing method comprising steps of:
A time-series data diagnosing/compressing method comprising the steps of:
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A data gathering/diagnosing/storing system comprising
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Dependencies are inferred from the claim text.