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Model-free control for machine tools

Jorge Villagra 1 Cédric Join 2, 3 Rodolfo Haber 1 Michel Fliess 4, 3
1 CAR - Centre for Automation and Robotics
2 CRAN - Centre de Recherche en Automatique de Nancy
3 AL.I.E.N. - ALgèbre pour Identification & Estimation Numériques
4 LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau]
Abstract : Cascade P-PI control systems are the most widespread commercial solutions for machine tool positioning systems. However, friction, backlash and wearing effects significantly degrade their closed-loop behaviour. This works proposes a novel easy-to-tune control approach that achieves high accuracy trajectory tracking in a wide operation domain, thus being able to mitigate wear and aging effects.
Keywords : machine tool model-free control cascade control robustness tracking
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Submitted on : Friday, May 8, 2020 - 11:43:56 PM
Last modification on : Friday, July 31, 2020 - 2:52:05 PM

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  • HAL Id : hal-02568336, version 1
  • ARXIV : 2005.08546

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Jorge Villagra, Cédric Join, Rodolfo Haber, Michel Fliess. Model-free control for machine tools. 21st IFAC World Congress, IFAC 2020, Jul 2020, Berlin, Germany. ⟨hal-02568336⟩

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