Identifying thermal dynamics for precision motion control

Enzo Evers (Corresponding author), N.A. van Tuijl, Ronald Lamers, Tom A.E. Oomen

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Samenvatting

Thermal-induced deformations are becoming increasingly important for the control performance of precision motion systems. The aim of this paper is to identify the underlying thermal dynamics in view of precision motion control. Identifying thermal systems is challenging due to large transients, large time scales, excitation signal limitations, large environmental disturbances, and non-linear behavior. An approach for non-parametric identification is developed that is particularly suitable for thermal and mechanical aspects in mechatronic systems. In particular, prior knowledge of several domains can be directly specified. Additionally, the non-parametric model is used as a basis for parameter estimation of a grey-box model. The presented methods form a complete framework that facilitates the implementation of advanced control techniques and error compensation strategies by providing high-fidelity models, enabling increased accuracy and throughput in high precision motion control.
Originele taal-2Engels
Pagina's (van-tot)73-78
Aantal pagina's6
TijdschriftIFAC-PapersOnLine
Volume52
Nummer van het tijdschrift15
DOI's
StatusGepubliceerd - sep 2019
Evenement8th IFAC Symposium on Mechatronic Systems (MECHATRONICS 2019), and 11th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2019) Vienna, Austria - Vienna, Oostenrijk
Duur: 4 sep 20196 sep 2019
http://www.mechatronicsnolcos2019.org/

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