Clustering mechanism for identifying and grouping of classes in manufacturing process behaviour

Mécanisme de groupement pour identifier et grouper des classes dans la conduite d'un processus de production

Gruppierungsmechanismus zum Identifizieren und Gruppieren von Klassen im Verhalten von Herstellungsprozessen

Abstract

A clustering technique groups manufacturing data in clusters of similar parametric behaviour. Each cluster groups data points which satisfy a given criterion of process behaviour similarity. These data may be widely separated in time and thus need not form time ordered clusters. The technique operates in multi-dimensional parameter space and can represent process data that is characterised with multiple performance measures. The technique produces a partition of the data into the minimum number of clusters which satisfy the criterion that all data in the grouping are within a given threshold distance from a cluster nucleus. In addition, the clustering mechanism according the invention is computationally rapid.

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    US-RE41476-EAugust 03, 2010Sap AktiengesellschaftMulti-tiered structure for storing and displaying product and process variants