Method for the analysis of process data of an industrial plant
First Claim
1. A method for the analysis of process data of an industrial plant having automatically controlled plant parts, which comprises:
- determining which of the plant parts are represented for determining correlation by using a prescribable criterion;
prescribing a time window as the criterion;
prescribing features characterizing a plant process and providing parameters relevant to the plant process;
checking the presence of each feature for each plant part using the parameters;
determining correlations between combinations of plant parts or features using features common to various plant parts and plant parts common to various features; and
representing at least one of the plant parts and the features as information elements positioned in relation to one another, for representing a degree of correlation of two of the information elements in each case by a distance between the two information elements.
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Abstract
In a method for the analysis of process data of an industrial plant, in particular a power station plant, parts of the plant are automatically controlled for the purpose of information compression, filtering and diagnosing faults in good time. Features characterizing the plant process are first prescribed and parameters relevant to the plant process are provided. Subsequently, the presence of each feature is checked for each plant part by using the parameters. Correlations between combinations of plant parts or features are determined by using features common to various plant parts and plant parts common to various features. Next, the plant parts and/or the features are represented as information elements positioned in such a way that the distance between two information elements in each case represents the degree of their correlation.
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Citations
8 Claims
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1. A method for the analysis of process data of an industrial plant having automatically controlled plant parts, which comprises:
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determining which of the plant parts are represented for determining correlation by using a prescribable criterion; prescribing a time window as the criterion; prescribing features characterizing a plant process and providing parameters relevant to the plant process; checking the presence of each feature for each plant part using the parameters; determining correlations between combinations of plant parts or features using features common to various plant parts and plant parts common to various features; and representing at least one of the plant parts and the features as information elements positioned in relation to one another, for representing a degree of correlation of two of the information elements in each case by a distance between the two information elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification