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Memory reduction of rate-dependent Prandtl-Ishlinskii compensators in applications on high-precision motion systems

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    0582938 - MÚ 2025 RIV NL eng J - Článek v odborném periodiku
    Al Janaideh, M. - Krejčí, P. - Monteiro, Giselle Antunes
    Memory reduction of rate-dependent Prandtl-Ishlinskii compensators in applications on high-precision motion systems.
    Physica B-Condensed Matter. Roč. 677, 15 March (2024), č. článku 415595. ISSN 0921-4526. E-ISSN 1873-2135
    Grant CEP: GA ČR(CZ) GA20-14736S
    Institucionální podpora: RVO:67985840
    Klíčová slova: actuators * hysteresis * modeling * Prandtl-Ishlinskii
    Obor OECD: Pure mathematics
    Impakt faktor: 2.8, rok: 2022
    Způsob publikování: Omezený přístup
    https://doi.org/10.1016/j.physb.2023.415595

    Inverse compensation of rate-dependent Prandtl–Ishlinskii operators with finitely many thresholds can be carried out explicitly under some structural conditions. However, if the number of thresholds is very high, the formulas become complicated. A simple and elegant framework for the investigation of such problems encompasses a recently proposed extension of the class of rate-dependent Prandtl-Ishlinskii operators to the case of a whole continuum of play operators with time-dependent thresholds. Indeed, such a theory allows for reducing the number of necessary thresholds in the compensation procedure and estimating the errors of the memory-discrete compensation in terms of the distance between the thresholds and weights of the individual plays. Following these results, our goal in this work is the validation of these theoretical models via numerical simulations and experimental results. In particular, we show that high accuracy of the hysteresis compensation algorithm can be achieved even with a relatively small number of thresholds.
    Trvalý link: https://hdl.handle.net/11104/0350982

     
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