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Identification of relevant parameters for the metrological adjustment of thermal machine models

  • Steffen SchroederEmail author
  • Bernd Kauschinger
  • Arvid Hellmich
  • Steffen Ihlenfeldt
  • Damien Phetsinorath
Original Paper
  • 19 Downloads

Abstract

Models are increasingly applied to improve the thermo-elastic behavior of machine tools. The most universal models are those with physically based approaches. They are used for analysis in the design process of the machines and for determining correction values in machine control during operation. In order to achieve sufficient accuracy, the models must be adjusted with metrological support. This is due to some model parameters, which have a high degree of uncertainty and overall effect. Because of the large number of parameters with very different characteristics, the determination of the parameters relevant for the adjustment is manually and computationally time-consuming. This article presents a systematic method of parameter selection that reduces this effort. The procedure is demonstrated exemplarily by the example of the thermo-elastic model of a hexapod strut axis.

Keywords

Machine tool Thermal model Parameter identification Control 

Notes

Acknowledgements

The German Science Foundation (DFG) funded this research within the CRC 96 “Thermo-energetic design of machine tools” project B04.

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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2019

Authors and Affiliations

  1. 1.TU Dresden, Institut für Mechatronischen Maschinenbau, Professur für Werkzeugmaschinenentwicklung und adaptive Steuerungen (IMD/LWM)DresdenGermany
  2. 2.Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWUDresdenGermany

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