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Title

Multi-source transfer learning of time series in cyclical manufacturing.

Authors

Zellinger, Werner; Grubinger, Thomas; Zwick, Michael; Lughofer, Edwin; Schöner, Holger; Natschläger, Thomas; Saminger-Platz, Susanne

Abstract

This paper describes a new transfer learning method for modeling sensor time series following multiple different distributions, e.g. originating from multiple different tool settings. The method aims at removing distribution specific information before the modeling of the individual time series takes place. This is done by mapping the data to a new space such that the representations of different distributions are aligned. Domain knowledge is incorporated by means of corresponding parameters, e.g. physical dimensions of tool settings. Results on a real-world problem of industrial manufacturing show that our method is able to significantly improve the performance of regression models on time series following previously unseen distributions.

Subjects

INFORMATION modeling; REGRESSION analysis; DATA mapping; MANUFACTURING processes; TIME series analysis

Publication

Journal of Intelligent Manufacturing, 2020, Vol 31, Issue 3, p777

ISSN

0956-5515

Publication type

Academic Journal

DOI

10.1007/s10845-019-01499-4

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