Nokia Siemens Networks Oy

Pekko Vehviläinen

Kimmo Hätönen

Pekka Kumpulainen

A data processing system processes data arrays that collectively describe cyclic behavior of at least one variable in several entities in a physical process. Each cycle comprises several time slots. An input routine (-) receives multiple data arrays, each data array containing multiple data items, each of which describes a variable of an entity in one time slot. A magnitude-determination routine (-) determines a specific magnitude parameter, such as average, volume or peak, for each of the several entities. A scaling routine (-) scales the data arrays between entities such that the specific magnitude parameters are suppressed and only their shape is maintained. A training routine (-) trains a clustering system with a first plurality of the scaled data arrays, to determine a set of cluster centers. After training, a clustering routine (-) applies a second plurality of the scaled data arrays to the trained clustering system.

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Tampere, Finland

Pekko Vehviläinen